Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.c |
79072805 | 2 | * |
4eb8286e | 3 | * Copyright (c) 1991-1999, Larry Wall |
79072805 LW |
4 | * |
5 | * You may distribute under the terms of either the GNU General Public | |
6 | * License or the Artistic License, as specified in the README file. | |
7 | * | |
a0d0e21e LW |
8 | */ |
9 | ||
10 | /* | |
11 | * "I wonder what the Entish is for 'yes' and 'no'," he thought. | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
864dbfa3 | 15 | #define PERL_IN_SV_C |
79072805 | 16 | #include "perl.h" |
79072805 | 17 | |
c07a80fd | 18 | #ifdef OVR_DBL_DIG |
19 | /* Use an overridden DBL_DIG */ | |
20 | # ifdef DBL_DIG | |
21 | # undef DBL_DIG | |
22 | # endif | |
23 | # define DBL_DIG OVR_DBL_DIG | |
24 | #else | |
a0d0e21e LW |
25 | /* The following is all to get DBL_DIG, in order to pick a nice |
26 | default value for printing floating point numbers in Gconvert. | |
27 | (see config.h) | |
28 | */ | |
29 | #ifdef I_LIMITS | |
30 | #include <limits.h> | |
31 | #endif | |
32 | #ifdef I_FLOAT | |
33 | #include <float.h> | |
34 | #endif | |
35 | #ifndef HAS_DBL_DIG | |
36 | #define DBL_DIG 15 /* A guess that works lots of places */ | |
37 | #endif | |
c07a80fd | 38 | #endif |
39 | ||
76e3520e | 40 | #ifdef PERL_OBJECT |
76e3520e | 41 | #define VTBL this->*vtbl |
76e3520e | 42 | #else /* !PERL_OBJECT */ |
76e3520e | 43 | #define VTBL *vtbl |
76e3520e | 44 | #endif /* PERL_OBJECT */ |
4561caa4 | 45 | |
51371543 | 46 | #define FCALL *f |
6fc92669 | 47 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv) |
2c5424a7 | 48 | |
51371543 GS |
49 | static void do_report_used(pTHXo_ SV *sv); |
50 | static void do_clean_objs(pTHXo_ SV *sv); | |
51 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
52 | static void do_clean_named_objs(pTHXo_ SV *sv); | |
53 | #endif | |
54 | static void do_clean_all(pTHXo_ SV *sv); | |
55 | ||
56 | ||
a0d0e21e | 57 | #ifdef PURIFY |
79072805 | 58 | |
053fc874 GS |
59 | #define new_SV(p) \ |
60 | STMT_START { \ | |
61 | LOCK_SV_MUTEX; \ | |
62 | (p) = (SV*)safemalloc(sizeof(SV)); \ | |
63 | reg_add(p); \ | |
64 | UNLOCK_SV_MUTEX; \ | |
65 | SvANY(p) = 0; \ | |
66 | SvREFCNT(p) = 1; \ | |
67 | SvFLAGS(p) = 0; \ | |
68 | } STMT_END | |
69 | ||
70 | #define del_SV(p) \ | |
71 | STMT_START { \ | |
72 | LOCK_SV_MUTEX; \ | |
73 | reg_remove(p); \ | |
74 | Safefree((char*)(p)); \ | |
75 | UNLOCK_SV_MUTEX; \ | |
76 | } STMT_END | |
4561caa4 CS |
77 | |
78 | static SV **registry; | |
00db4c45 | 79 | static I32 registry_size; |
4561caa4 CS |
80 | |
81 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
82 | ||
83 | #define REG_REPLACE(sv,a,b) \ | |
053fc874 GS |
84 | STMT_START { \ |
85 | void* p = sv->sv_any; \ | |
86 | I32 h = REGHASH(sv, registry_size); \ | |
87 | I32 i = h; \ | |
88 | while (registry[i] != (a)) { \ | |
89 | if (++i >= registry_size) \ | |
90 | i = 0; \ | |
91 | if (i == h) \ | |
cea2e8a9 | 92 | Perl_die(aTHX_ "SV registry bug"); \ |
053fc874 GS |
93 | } \ |
94 | registry[i] = (b); \ | |
95 | } STMT_END | |
4561caa4 CS |
96 | |
97 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
98 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
99 | ||
ba106d47 | 100 | STATIC void |
cea2e8a9 | 101 | S_reg_add(pTHX_ SV *sv) |
4561caa4 | 102 | { |
3280af22 | 103 | if (PL_sv_count >= (registry_size >> 1)) |
4561caa4 CS |
104 | { |
105 | SV **oldreg = registry; | |
00db4c45 | 106 | I32 oldsize = registry_size; |
4561caa4 | 107 | |
00db4c45 GS |
108 | registry_size = registry_size ? ((registry_size << 2) + 1) : 2037; |
109 | Newz(707, registry, registry_size, SV*); | |
4561caa4 CS |
110 | |
111 | if (oldreg) { | |
112 | I32 i; | |
113 | ||
114 | for (i = 0; i < oldsize; ++i) { | |
115 | SV* oldsv = oldreg[i]; | |
116 | if (oldsv) | |
117 | REG_ADD(oldsv); | |
118 | } | |
119 | Safefree(oldreg); | |
120 | } | |
121 | } | |
122 | ||
123 | REG_ADD(sv); | |
3280af22 | 124 | ++PL_sv_count; |
4561caa4 CS |
125 | } |
126 | ||
ba106d47 | 127 | STATIC void |
cea2e8a9 | 128 | S_reg_remove(pTHX_ SV *sv) |
4561caa4 CS |
129 | { |
130 | REG_REMOVE(sv); | |
3280af22 | 131 | --PL_sv_count; |
4561caa4 CS |
132 | } |
133 | ||
ba106d47 | 134 | STATIC void |
cea2e8a9 | 135 | S_visit(pTHX_ SVFUNC_t f) |
4561caa4 CS |
136 | { |
137 | I32 i; | |
138 | ||
00db4c45 | 139 | for (i = 0; i < registry_size; ++i) { |
4561caa4 | 140 | SV* sv = registry[i]; |
00db4c45 | 141 | if (sv && SvTYPE(sv) != SVTYPEMASK) |
4561caa4 CS |
142 | (*f)(sv); |
143 | } | |
144 | } | |
a0d0e21e | 145 | |
4633a7c4 | 146 | void |
864dbfa3 | 147 | Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags) |
4633a7c4 LW |
148 | { |
149 | if (!(flags & SVf_FAKE)) | |
6ad3d225 | 150 | Safefree(ptr); |
4633a7c4 LW |
151 | } |
152 | ||
4561caa4 CS |
153 | #else /* ! PURIFY */ |
154 | ||
155 | /* | |
156 | * "A time to plant, and a time to uproot what was planted..." | |
157 | */ | |
158 | ||
053fc874 GS |
159 | #define plant_SV(p) \ |
160 | STMT_START { \ | |
161 | SvANY(p) = (void *)PL_sv_root; \ | |
162 | SvFLAGS(p) = SVTYPEMASK; \ | |
163 | PL_sv_root = (p); \ | |
164 | --PL_sv_count; \ | |
165 | } STMT_END | |
a0d0e21e | 166 | |
fba3b22e | 167 | /* sv_mutex must be held while calling uproot_SV() */ |
053fc874 GS |
168 | #define uproot_SV(p) \ |
169 | STMT_START { \ | |
170 | (p) = PL_sv_root; \ | |
171 | PL_sv_root = (SV*)SvANY(p); \ | |
172 | ++PL_sv_count; \ | |
173 | } STMT_END | |
174 | ||
175 | #define new_SV(p) \ | |
176 | STMT_START { \ | |
177 | LOCK_SV_MUTEX; \ | |
178 | if (PL_sv_root) \ | |
179 | uproot_SV(p); \ | |
180 | else \ | |
181 | (p) = more_sv(); \ | |
182 | UNLOCK_SV_MUTEX; \ | |
183 | SvANY(p) = 0; \ | |
184 | SvREFCNT(p) = 1; \ | |
185 | SvFLAGS(p) = 0; \ | |
186 | } STMT_END | |
463ee0b2 | 187 | |
a0d0e21e | 188 | #ifdef DEBUGGING |
4561caa4 | 189 | |
053fc874 GS |
190 | #define del_SV(p) \ |
191 | STMT_START { \ | |
192 | LOCK_SV_MUTEX; \ | |
193 | if (PL_debug & 32768) \ | |
194 | del_sv(p); \ | |
195 | else \ | |
196 | plant_SV(p); \ | |
197 | UNLOCK_SV_MUTEX; \ | |
198 | } STMT_END | |
a0d0e21e | 199 | |
76e3520e | 200 | STATIC void |
cea2e8a9 | 201 | S_del_sv(pTHX_ SV *p) |
463ee0b2 | 202 | { |
3280af22 | 203 | if (PL_debug & 32768) { |
4633a7c4 | 204 | SV* sva; |
a0d0e21e LW |
205 | SV* sv; |
206 | SV* svend; | |
207 | int ok = 0; | |
3280af22 | 208 | for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
4633a7c4 LW |
209 | sv = sva + 1; |
210 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
211 | if (p >= sv && p < svend) |
212 | ok = 1; | |
213 | } | |
214 | if (!ok) { | |
0453d815 PM |
215 | if (ckWARN_d(WARN_INTERNAL)) |
216 | Perl_warner(aTHX_ WARN_INTERNAL, | |
217 | "Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
a0d0e21e LW |
218 | return; |
219 | } | |
220 | } | |
4561caa4 | 221 | plant_SV(p); |
463ee0b2 | 222 | } |
a0d0e21e | 223 | |
4561caa4 CS |
224 | #else /* ! DEBUGGING */ |
225 | ||
226 | #define del_SV(p) plant_SV(p) | |
227 | ||
228 | #endif /* DEBUGGING */ | |
463ee0b2 | 229 | |
4633a7c4 | 230 | void |
864dbfa3 | 231 | Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags) |
463ee0b2 | 232 | { |
4633a7c4 | 233 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
234 | register SV* sv; |
235 | register SV* svend; | |
4633a7c4 LW |
236 | Zero(sva, size, char); |
237 | ||
238 | /* The first SV in an arena isn't an SV. */ | |
3280af22 | 239 | SvANY(sva) = (void *) PL_sv_arenaroot; /* ptr to next arena */ |
4633a7c4 LW |
240 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ |
241 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
242 | ||
3280af22 NIS |
243 | PL_sv_arenaroot = sva; |
244 | PL_sv_root = sva + 1; | |
4633a7c4 LW |
245 | |
246 | svend = &sva[SvREFCNT(sva) - 1]; | |
247 | sv = sva + 1; | |
463ee0b2 | 248 | while (sv < svend) { |
a0d0e21e | 249 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 250 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
251 | sv++; |
252 | } | |
253 | SvANY(sv) = 0; | |
4633a7c4 LW |
254 | SvFLAGS(sv) = SVTYPEMASK; |
255 | } | |
256 | ||
fba3b22e | 257 | /* sv_mutex must be held while calling more_sv() */ |
76e3520e | 258 | STATIC SV* |
cea2e8a9 | 259 | S_more_sv(pTHX) |
4633a7c4 | 260 | { |
4561caa4 CS |
261 | register SV* sv; |
262 | ||
3280af22 NIS |
263 | if (PL_nice_chunk) { |
264 | sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0); | |
265 | PL_nice_chunk = Nullch; | |
c07a80fd | 266 | } |
1edc1566 | 267 | else { |
268 | char *chunk; /* must use New here to match call to */ | |
269 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
270 | sv_add_arena(chunk, 1008, 0); | |
271 | } | |
4561caa4 CS |
272 | uproot_SV(sv); |
273 | return sv; | |
463ee0b2 LW |
274 | } |
275 | ||
76e3520e | 276 | STATIC void |
cea2e8a9 | 277 | S_visit(pTHX_ SVFUNC_t f) |
8990e307 | 278 | { |
4633a7c4 | 279 | SV* sva; |
8990e307 LW |
280 | SV* sv; |
281 | register SV* svend; | |
282 | ||
3280af22 | 283 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 284 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
285 | for (sv = sva + 1; sv < svend; ++sv) { |
286 | if (SvTYPE(sv) != SVTYPEMASK) | |
51371543 | 287 | (FCALL)(aTHXo_ sv); |
8990e307 LW |
288 | } |
289 | } | |
290 | } | |
291 | ||
4561caa4 CS |
292 | #endif /* PURIFY */ |
293 | ||
8990e307 | 294 | void |
864dbfa3 | 295 | Perl_sv_report_used(pTHX) |
4561caa4 | 296 | { |
0b94c7bb | 297 | visit(do_report_used); |
4561caa4 CS |
298 | } |
299 | ||
4561caa4 | 300 | void |
864dbfa3 | 301 | Perl_sv_clean_objs(pTHX) |
4561caa4 | 302 | { |
3280af22 | 303 | PL_in_clean_objs = TRUE; |
0b94c7bb | 304 | visit(do_clean_objs); |
4561caa4 | 305 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
2d0f3c12 | 306 | /* some barnacles may yet remain, clinging to typeglobs */ |
0b94c7bb | 307 | visit(do_clean_named_objs); |
4561caa4 | 308 | #endif |
3280af22 | 309 | PL_in_clean_objs = FALSE; |
4561caa4 CS |
310 | } |
311 | ||
8990e307 | 312 | void |
864dbfa3 | 313 | Perl_sv_clean_all(pTHX) |
8990e307 | 314 | { |
3280af22 | 315 | PL_in_clean_all = TRUE; |
0b94c7bb | 316 | visit(do_clean_all); |
3280af22 | 317 | PL_in_clean_all = FALSE; |
8990e307 | 318 | } |
463ee0b2 | 319 | |
4633a7c4 | 320 | void |
864dbfa3 | 321 | Perl_sv_free_arenas(pTHX) |
4633a7c4 LW |
322 | { |
323 | SV* sva; | |
324 | SV* svanext; | |
325 | ||
326 | /* Free arenas here, but be careful about fake ones. (We assume | |
327 | contiguity of the fake ones with the corresponding real ones.) */ | |
328 | ||
3280af22 | 329 | for (sva = PL_sv_arenaroot; sva; sva = svanext) { |
4633a7c4 LW |
330 | svanext = (SV*) SvANY(sva); |
331 | while (svanext && SvFAKE(svanext)) | |
332 | svanext = (SV*) SvANY(svanext); | |
333 | ||
334 | if (!SvFAKE(sva)) | |
1edc1566 | 335 | Safefree((void *)sva); |
4633a7c4 | 336 | } |
5f05dabc | 337 | |
3280af22 NIS |
338 | if (PL_nice_chunk) |
339 | Safefree(PL_nice_chunk); | |
340 | PL_nice_chunk = Nullch; | |
341 | PL_nice_chunk_size = 0; | |
342 | PL_sv_arenaroot = 0; | |
343 | PL_sv_root = 0; | |
4633a7c4 LW |
344 | } |
345 | ||
76e3520e | 346 | STATIC XPVIV* |
cea2e8a9 | 347 | S_new_xiv(pTHX) |
463ee0b2 | 348 | { |
ea7c11a3 | 349 | IV* xiv; |
cbe51380 GS |
350 | LOCK_SV_MUTEX; |
351 | if (!PL_xiv_root) | |
352 | more_xiv(); | |
353 | xiv = PL_xiv_root; | |
354 | /* | |
355 | * See comment in more_xiv() -- RAM. | |
356 | */ | |
357 | PL_xiv_root = *(IV**)xiv; | |
358 | UNLOCK_SV_MUTEX; | |
359 | return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv)); | |
463ee0b2 LW |
360 | } |
361 | ||
76e3520e | 362 | STATIC void |
cea2e8a9 | 363 | S_del_xiv(pTHX_ XPVIV *p) |
463ee0b2 | 364 | { |
23e6a22f | 365 | IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv)); |
cbe51380 | 366 | LOCK_SV_MUTEX; |
3280af22 NIS |
367 | *(IV**)xiv = PL_xiv_root; |
368 | PL_xiv_root = xiv; | |
cbe51380 | 369 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
370 | } |
371 | ||
cbe51380 | 372 | STATIC void |
cea2e8a9 | 373 | S_more_xiv(pTHX) |
463ee0b2 | 374 | { |
ea7c11a3 SM |
375 | register IV* xiv; |
376 | register IV* xivend; | |
8c52afec IZ |
377 | XPV* ptr; |
378 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
3280af22 NIS |
379 | ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */ |
380 | PL_xiv_arenaroot = ptr; /* to keep Purify happy */ | |
a0d0e21e | 381 | |
ea7c11a3 SM |
382 | xiv = (IV*) ptr; |
383 | xivend = &xiv[1008 / sizeof(IV) - 1]; | |
384 | xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */ | |
3280af22 | 385 | PL_xiv_root = xiv; |
463ee0b2 | 386 | while (xiv < xivend) { |
ea7c11a3 | 387 | *(IV**)xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
388 | xiv++; |
389 | } | |
ea7c11a3 | 390 | *(IV**)xiv = 0; |
463ee0b2 LW |
391 | } |
392 | ||
76e3520e | 393 | STATIC XPVNV* |
cea2e8a9 | 394 | S_new_xnv(pTHX) |
463ee0b2 | 395 | { |
65202027 | 396 | NV* xnv; |
cbe51380 GS |
397 | LOCK_SV_MUTEX; |
398 | if (!PL_xnv_root) | |
399 | more_xnv(); | |
400 | xnv = PL_xnv_root; | |
65202027 | 401 | PL_xnv_root = *(NV**)xnv; |
cbe51380 GS |
402 | UNLOCK_SV_MUTEX; |
403 | return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv)); | |
463ee0b2 LW |
404 | } |
405 | ||
76e3520e | 406 | STATIC void |
cea2e8a9 | 407 | S_del_xnv(pTHX_ XPVNV *p) |
463ee0b2 | 408 | { |
65202027 | 409 | NV* xnv = (NV*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv)); |
cbe51380 | 410 | LOCK_SV_MUTEX; |
65202027 | 411 | *(NV**)xnv = PL_xnv_root; |
3280af22 | 412 | PL_xnv_root = xnv; |
cbe51380 | 413 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
414 | } |
415 | ||
cbe51380 | 416 | STATIC void |
cea2e8a9 | 417 | S_more_xnv(pTHX) |
463ee0b2 | 418 | { |
65202027 DS |
419 | register NV* xnv; |
420 | register NV* xnvend; | |
421 | New(711, xnv, 1008/sizeof(NV), NV); | |
422 | xnvend = &xnv[1008 / sizeof(NV) - 1]; | |
423 | xnv += (sizeof(XPVIV) - 1) / sizeof(NV) + 1; /* fudge by sizeof XPVIV */ | |
3280af22 | 424 | PL_xnv_root = xnv; |
463ee0b2 | 425 | while (xnv < xnvend) { |
65202027 | 426 | *(NV**)xnv = (NV*)(xnv + 1); |
463ee0b2 LW |
427 | xnv++; |
428 | } | |
65202027 | 429 | *(NV**)xnv = 0; |
463ee0b2 LW |
430 | } |
431 | ||
76e3520e | 432 | STATIC XRV* |
cea2e8a9 | 433 | S_new_xrv(pTHX) |
ed6116ce LW |
434 | { |
435 | XRV* xrv; | |
cbe51380 GS |
436 | LOCK_SV_MUTEX; |
437 | if (!PL_xrv_root) | |
438 | more_xrv(); | |
439 | xrv = PL_xrv_root; | |
440 | PL_xrv_root = (XRV*)xrv->xrv_rv; | |
441 | UNLOCK_SV_MUTEX; | |
442 | return xrv; | |
ed6116ce LW |
443 | } |
444 | ||
76e3520e | 445 | STATIC void |
cea2e8a9 | 446 | S_del_xrv(pTHX_ XRV *p) |
ed6116ce | 447 | { |
cbe51380 | 448 | LOCK_SV_MUTEX; |
3280af22 NIS |
449 | p->xrv_rv = (SV*)PL_xrv_root; |
450 | PL_xrv_root = p; | |
cbe51380 | 451 | UNLOCK_SV_MUTEX; |
ed6116ce LW |
452 | } |
453 | ||
cbe51380 | 454 | STATIC void |
cea2e8a9 | 455 | S_more_xrv(pTHX) |
ed6116ce | 456 | { |
ed6116ce LW |
457 | register XRV* xrv; |
458 | register XRV* xrvend; | |
3280af22 NIS |
459 | New(712, PL_xrv_root, 1008/sizeof(XRV), XRV); |
460 | xrv = PL_xrv_root; | |
ed6116ce LW |
461 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
462 | while (xrv < xrvend) { | |
463 | xrv->xrv_rv = (SV*)(xrv + 1); | |
464 | xrv++; | |
465 | } | |
466 | xrv->xrv_rv = 0; | |
ed6116ce LW |
467 | } |
468 | ||
76e3520e | 469 | STATIC XPV* |
cea2e8a9 | 470 | S_new_xpv(pTHX) |
463ee0b2 LW |
471 | { |
472 | XPV* xpv; | |
cbe51380 GS |
473 | LOCK_SV_MUTEX; |
474 | if (!PL_xpv_root) | |
475 | more_xpv(); | |
476 | xpv = PL_xpv_root; | |
477 | PL_xpv_root = (XPV*)xpv->xpv_pv; | |
478 | UNLOCK_SV_MUTEX; | |
479 | return xpv; | |
463ee0b2 LW |
480 | } |
481 | ||
76e3520e | 482 | STATIC void |
cea2e8a9 | 483 | S_del_xpv(pTHX_ XPV *p) |
463ee0b2 | 484 | { |
cbe51380 | 485 | LOCK_SV_MUTEX; |
3280af22 NIS |
486 | p->xpv_pv = (char*)PL_xpv_root; |
487 | PL_xpv_root = p; | |
cbe51380 | 488 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
489 | } |
490 | ||
cbe51380 | 491 | STATIC void |
cea2e8a9 | 492 | S_more_xpv(pTHX) |
463ee0b2 | 493 | { |
463ee0b2 LW |
494 | register XPV* xpv; |
495 | register XPV* xpvend; | |
3280af22 NIS |
496 | New(713, PL_xpv_root, 1008/sizeof(XPV), XPV); |
497 | xpv = PL_xpv_root; | |
463ee0b2 LW |
498 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
499 | while (xpv < xpvend) { | |
500 | xpv->xpv_pv = (char*)(xpv + 1); | |
501 | xpv++; | |
502 | } | |
503 | xpv->xpv_pv = 0; | |
463ee0b2 LW |
504 | } |
505 | ||
506 | #ifdef PURIFY | |
8990e307 | 507 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
6ad3d225 | 508 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 509 | #else |
85e6fe83 | 510 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 511 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
512 | #endif |
513 | ||
514 | #ifdef PURIFY | |
8990e307 | 515 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
6ad3d225 | 516 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 517 | #else |
85e6fe83 | 518 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 519 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
520 | #endif |
521 | ||
522 | #ifdef PURIFY | |
8990e307 | 523 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
6ad3d225 | 524 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 525 | #else |
85e6fe83 | 526 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 527 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
528 | #endif |
529 | ||
530 | #ifdef PURIFY | |
8990e307 | 531 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
6ad3d225 | 532 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 533 | #else |
85e6fe83 | 534 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 535 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
536 | #endif |
537 | ||
8c52afec IZ |
538 | #ifdef PURIFY |
539 | # define my_safemalloc(s) safemalloc(s) | |
86058a2d | 540 | # define my_safefree(s) safefree(s) |
8c52afec | 541 | #else |
9d8a25dc | 542 | STATIC void* |
4f63d024 | 543 | S_my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
544 | { |
545 | char *p; | |
546 | New(717, p, size, char); | |
547 | return (void*)p; | |
548 | } | |
549 | # define my_safefree(s) Safefree(s) | |
550 | #endif | |
551 | ||
552 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
553 | #define del_XPVIV(p) my_safefree((char*)p) | |
554 | ||
555 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
556 | #define del_XPVNV(p) my_safefree((char*)p) | |
557 | ||
558 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
559 | #define del_XPVMG(p) my_safefree((char*)p) | |
560 | ||
561 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
562 | #define del_XPVLV(p) my_safefree((char*)p) | |
563 | ||
564 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
565 | #define del_XPVAV(p) my_safefree((char*)p) | |
566 | ||
567 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
568 | #define del_XPVHV(p) my_safefree((char*)p) | |
569 | ||
570 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
571 | #define del_XPVCV(p) my_safefree((char*)p) | |
572 | ||
573 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
574 | #define del_XPVGV(p) my_safefree((char*)p) | |
575 | ||
576 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
577 | #define del_XPVBM(p) my_safefree((char*)p) | |
578 | ||
579 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
580 | #define del_XPVFM(p) my_safefree((char*)p) | |
581 | ||
582 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
583 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 584 | |
79072805 | 585 | bool |
864dbfa3 | 586 | Perl_sv_upgrade(pTHX_ register SV *sv, U32 mt) |
79072805 LW |
587 | { |
588 | char* pv; | |
589 | U32 cur; | |
590 | U32 len; | |
a0d0e21e | 591 | IV iv; |
65202027 | 592 | NV nv; |
79072805 LW |
593 | MAGIC* magic; |
594 | HV* stash; | |
595 | ||
596 | if (SvTYPE(sv) == mt) | |
597 | return TRUE; | |
598 | ||
a5f75d66 AD |
599 | if (mt < SVt_PVIV) |
600 | (void)SvOOK_off(sv); | |
601 | ||
79072805 LW |
602 | switch (SvTYPE(sv)) { |
603 | case SVt_NULL: | |
604 | pv = 0; | |
605 | cur = 0; | |
606 | len = 0; | |
607 | iv = 0; | |
608 | nv = 0.0; | |
609 | magic = 0; | |
610 | stash = 0; | |
611 | break; | |
79072805 LW |
612 | case SVt_IV: |
613 | pv = 0; | |
614 | cur = 0; | |
615 | len = 0; | |
463ee0b2 | 616 | iv = SvIVX(sv); |
65202027 | 617 | nv = (NV)SvIVX(sv); |
79072805 LW |
618 | del_XIV(SvANY(sv)); |
619 | magic = 0; | |
620 | stash = 0; | |
ed6116ce | 621 | if (mt == SVt_NV) |
463ee0b2 | 622 | mt = SVt_PVNV; |
ed6116ce LW |
623 | else if (mt < SVt_PVIV) |
624 | mt = SVt_PVIV; | |
79072805 LW |
625 | break; |
626 | case SVt_NV: | |
627 | pv = 0; | |
628 | cur = 0; | |
629 | len = 0; | |
463ee0b2 | 630 | nv = SvNVX(sv); |
1bd302c3 | 631 | iv = I_V(nv); |
79072805 LW |
632 | magic = 0; |
633 | stash = 0; | |
634 | del_XNV(SvANY(sv)); | |
635 | SvANY(sv) = 0; | |
ed6116ce | 636 | if (mt < SVt_PVNV) |
79072805 LW |
637 | mt = SVt_PVNV; |
638 | break; | |
ed6116ce LW |
639 | case SVt_RV: |
640 | pv = (char*)SvRV(sv); | |
641 | cur = 0; | |
642 | len = 0; | |
a0d0e21e | 643 | iv = (IV)pv; |
65202027 | 644 | nv = (NV)(unsigned long)pv; |
ed6116ce LW |
645 | del_XRV(SvANY(sv)); |
646 | magic = 0; | |
647 | stash = 0; | |
648 | break; | |
79072805 | 649 | case SVt_PV: |
463ee0b2 | 650 | pv = SvPVX(sv); |
79072805 LW |
651 | cur = SvCUR(sv); |
652 | len = SvLEN(sv); | |
653 | iv = 0; | |
654 | nv = 0.0; | |
655 | magic = 0; | |
656 | stash = 0; | |
657 | del_XPV(SvANY(sv)); | |
748a9306 LW |
658 | if (mt <= SVt_IV) |
659 | mt = SVt_PVIV; | |
660 | else if (mt == SVt_NV) | |
661 | mt = SVt_PVNV; | |
79072805 LW |
662 | break; |
663 | case SVt_PVIV: | |
463ee0b2 | 664 | pv = SvPVX(sv); |
79072805 LW |
665 | cur = SvCUR(sv); |
666 | len = SvLEN(sv); | |
463ee0b2 | 667 | iv = SvIVX(sv); |
79072805 LW |
668 | nv = 0.0; |
669 | magic = 0; | |
670 | stash = 0; | |
671 | del_XPVIV(SvANY(sv)); | |
672 | break; | |
673 | case SVt_PVNV: | |
463ee0b2 | 674 | pv = SvPVX(sv); |
79072805 LW |
675 | cur = SvCUR(sv); |
676 | len = SvLEN(sv); | |
463ee0b2 LW |
677 | iv = SvIVX(sv); |
678 | nv = SvNVX(sv); | |
79072805 LW |
679 | magic = 0; |
680 | stash = 0; | |
681 | del_XPVNV(SvANY(sv)); | |
682 | break; | |
683 | case SVt_PVMG: | |
463ee0b2 | 684 | pv = SvPVX(sv); |
79072805 LW |
685 | cur = SvCUR(sv); |
686 | len = SvLEN(sv); | |
463ee0b2 LW |
687 | iv = SvIVX(sv); |
688 | nv = SvNVX(sv); | |
79072805 LW |
689 | magic = SvMAGIC(sv); |
690 | stash = SvSTASH(sv); | |
691 | del_XPVMG(SvANY(sv)); | |
692 | break; | |
693 | default: | |
cea2e8a9 | 694 | Perl_croak(aTHX_ "Can't upgrade that kind of scalar"); |
79072805 LW |
695 | } |
696 | ||
697 | switch (mt) { | |
698 | case SVt_NULL: | |
cea2e8a9 | 699 | Perl_croak(aTHX_ "Can't upgrade to undef"); |
79072805 LW |
700 | case SVt_IV: |
701 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 702 | SvIVX(sv) = iv; |
79072805 LW |
703 | break; |
704 | case SVt_NV: | |
705 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 706 | SvNVX(sv) = nv; |
79072805 | 707 | break; |
ed6116ce LW |
708 | case SVt_RV: |
709 | SvANY(sv) = new_XRV(); | |
710 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 711 | break; |
79072805 LW |
712 | case SVt_PV: |
713 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 714 | SvPVX(sv) = pv; |
79072805 LW |
715 | SvCUR(sv) = cur; |
716 | SvLEN(sv) = len; | |
717 | break; | |
718 | case SVt_PVIV: | |
719 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 720 | SvPVX(sv) = pv; |
79072805 LW |
721 | SvCUR(sv) = cur; |
722 | SvLEN(sv) = len; | |
463ee0b2 | 723 | SvIVX(sv) = iv; |
79072805 | 724 | if (SvNIOK(sv)) |
a0d0e21e | 725 | (void)SvIOK_on(sv); |
79072805 LW |
726 | SvNOK_off(sv); |
727 | break; | |
728 | case SVt_PVNV: | |
729 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 730 | SvPVX(sv) = pv; |
79072805 LW |
731 | SvCUR(sv) = cur; |
732 | SvLEN(sv) = len; | |
463ee0b2 LW |
733 | SvIVX(sv) = iv; |
734 | SvNVX(sv) = nv; | |
79072805 LW |
735 | break; |
736 | case SVt_PVMG: | |
737 | SvANY(sv) = new_XPVMG(); | |
463ee0b2 | 738 | SvPVX(sv) = pv; |
79072805 LW |
739 | SvCUR(sv) = cur; |
740 | SvLEN(sv) = len; | |
463ee0b2 LW |
741 | SvIVX(sv) = iv; |
742 | SvNVX(sv) = nv; | |
79072805 LW |
743 | SvMAGIC(sv) = magic; |
744 | SvSTASH(sv) = stash; | |
745 | break; | |
746 | case SVt_PVLV: | |
747 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 748 | SvPVX(sv) = pv; |
79072805 LW |
749 | SvCUR(sv) = cur; |
750 | SvLEN(sv) = len; | |
463ee0b2 LW |
751 | SvIVX(sv) = iv; |
752 | SvNVX(sv) = nv; | |
79072805 LW |
753 | SvMAGIC(sv) = magic; |
754 | SvSTASH(sv) = stash; | |
755 | LvTARGOFF(sv) = 0; | |
756 | LvTARGLEN(sv) = 0; | |
757 | LvTARG(sv) = 0; | |
758 | LvTYPE(sv) = 0; | |
759 | break; | |
760 | case SVt_PVAV: | |
761 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
762 | if (pv) |
763 | Safefree(pv); | |
2304df62 | 764 | SvPVX(sv) = 0; |
d1bf51dd | 765 | AvMAX(sv) = -1; |
93965878 | 766 | AvFILLp(sv) = -1; |
463ee0b2 LW |
767 | SvIVX(sv) = 0; |
768 | SvNVX(sv) = 0.0; | |
769 | SvMAGIC(sv) = magic; | |
770 | SvSTASH(sv) = stash; | |
771 | AvALLOC(sv) = 0; | |
79072805 LW |
772 | AvARYLEN(sv) = 0; |
773 | AvFLAGS(sv) = 0; | |
774 | break; | |
775 | case SVt_PVHV: | |
776 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
777 | if (pv) |
778 | Safefree(pv); | |
779 | SvPVX(sv) = 0; | |
780 | HvFILL(sv) = 0; | |
781 | HvMAX(sv) = 0; | |
782 | HvKEYS(sv) = 0; | |
783 | SvNVX(sv) = 0.0; | |
79072805 LW |
784 | SvMAGIC(sv) = magic; |
785 | SvSTASH(sv) = stash; | |
79072805 LW |
786 | HvRITER(sv) = 0; |
787 | HvEITER(sv) = 0; | |
788 | HvPMROOT(sv) = 0; | |
789 | HvNAME(sv) = 0; | |
79072805 LW |
790 | break; |
791 | case SVt_PVCV: | |
792 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 793 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 794 | SvPVX(sv) = pv; |
79072805 LW |
795 | SvCUR(sv) = cur; |
796 | SvLEN(sv) = len; | |
463ee0b2 LW |
797 | SvIVX(sv) = iv; |
798 | SvNVX(sv) = nv; | |
79072805 LW |
799 | SvMAGIC(sv) = magic; |
800 | SvSTASH(sv) = stash; | |
79072805 LW |
801 | break; |
802 | case SVt_PVGV: | |
803 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 804 | SvPVX(sv) = pv; |
79072805 LW |
805 | SvCUR(sv) = cur; |
806 | SvLEN(sv) = len; | |
463ee0b2 LW |
807 | SvIVX(sv) = iv; |
808 | SvNVX(sv) = nv; | |
79072805 LW |
809 | SvMAGIC(sv) = magic; |
810 | SvSTASH(sv) = stash; | |
93a17b20 | 811 | GvGP(sv) = 0; |
79072805 LW |
812 | GvNAME(sv) = 0; |
813 | GvNAMELEN(sv) = 0; | |
814 | GvSTASH(sv) = 0; | |
a5f75d66 | 815 | GvFLAGS(sv) = 0; |
79072805 LW |
816 | break; |
817 | case SVt_PVBM: | |
818 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 819 | SvPVX(sv) = pv; |
79072805 LW |
820 | SvCUR(sv) = cur; |
821 | SvLEN(sv) = len; | |
463ee0b2 LW |
822 | SvIVX(sv) = iv; |
823 | SvNVX(sv) = nv; | |
79072805 LW |
824 | SvMAGIC(sv) = magic; |
825 | SvSTASH(sv) = stash; | |
826 | BmRARE(sv) = 0; | |
827 | BmUSEFUL(sv) = 0; | |
828 | BmPREVIOUS(sv) = 0; | |
829 | break; | |
830 | case SVt_PVFM: | |
831 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 832 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 833 | SvPVX(sv) = pv; |
79072805 LW |
834 | SvCUR(sv) = cur; |
835 | SvLEN(sv) = len; | |
463ee0b2 LW |
836 | SvIVX(sv) = iv; |
837 | SvNVX(sv) = nv; | |
79072805 LW |
838 | SvMAGIC(sv) = magic; |
839 | SvSTASH(sv) = stash; | |
79072805 | 840 | break; |
8990e307 LW |
841 | case SVt_PVIO: |
842 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 843 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
844 | SvPVX(sv) = pv; |
845 | SvCUR(sv) = cur; | |
846 | SvLEN(sv) = len; | |
847 | SvIVX(sv) = iv; | |
848 | SvNVX(sv) = nv; | |
849 | SvMAGIC(sv) = magic; | |
850 | SvSTASH(sv) = stash; | |
85e6fe83 | 851 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
852 | break; |
853 | } | |
854 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
855 | SvFLAGS(sv) |= mt; | |
79072805 LW |
856 | return TRUE; |
857 | } | |
858 | ||
79072805 | 859 | int |
864dbfa3 | 860 | Perl_sv_backoff(pTHX_ register SV *sv) |
79072805 LW |
861 | { |
862 | assert(SvOOK(sv)); | |
463ee0b2 LW |
863 | if (SvIVX(sv)) { |
864 | char *s = SvPVX(sv); | |
865 | SvLEN(sv) += SvIVX(sv); | |
866 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 867 | SvIV_set(sv, 0); |
463ee0b2 | 868 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
869 | } |
870 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 871 | return 0; |
79072805 LW |
872 | } |
873 | ||
874 | char * | |
864dbfa3 | 875 | Perl_sv_grow(pTHX_ register SV *sv, register STRLEN newlen) |
79072805 LW |
876 | { |
877 | register char *s; | |
878 | ||
55497cff | 879 | #ifdef HAS_64K_LIMIT |
79072805 | 880 | if (newlen >= 0x10000) { |
d1bf51dd | 881 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
882 | my_exit(1); |
883 | } | |
55497cff | 884 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
885 | if (SvROK(sv)) |
886 | sv_unref(sv); | |
79072805 LW |
887 | if (SvTYPE(sv) < SVt_PV) { |
888 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 889 | s = SvPVX(sv); |
79072805 LW |
890 | } |
891 | else if (SvOOK(sv)) { /* pv is offset? */ | |
892 | sv_backoff(sv); | |
463ee0b2 | 893 | s = SvPVX(sv); |
79072805 LW |
894 | if (newlen > SvLEN(sv)) |
895 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
896 | #ifdef HAS_64K_LIMIT |
897 | if (newlen >= 0x10000) | |
898 | newlen = 0xFFFF; | |
899 | #endif | |
79072805 LW |
900 | } |
901 | else | |
463ee0b2 | 902 | s = SvPVX(sv); |
79072805 | 903 | if (newlen > SvLEN(sv)) { /* need more room? */ |
8d6dde3e | 904 | if (SvLEN(sv) && s) { |
1fe09876 | 905 | #if defined(MYMALLOC) && !defined(PURIFY) && !defined(LEAKTEST) |
8d6dde3e IZ |
906 | STRLEN l = malloced_size((void*)SvPVX(sv)); |
907 | if (newlen <= l) { | |
908 | SvLEN_set(sv, l); | |
909 | return s; | |
910 | } else | |
c70c8a0a | 911 | #endif |
79072805 | 912 | Renew(s,newlen,char); |
8d6dde3e | 913 | } |
79072805 LW |
914 | else |
915 | New(703,s,newlen,char); | |
916 | SvPV_set(sv, s); | |
917 | SvLEN_set(sv, newlen); | |
918 | } | |
919 | return s; | |
920 | } | |
921 | ||
922 | void | |
864dbfa3 | 923 | Perl_sv_setiv(pTHX_ register SV *sv, IV i) |
79072805 | 924 | { |
2213622d | 925 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
926 | switch (SvTYPE(sv)) { |
927 | case SVt_NULL: | |
79072805 | 928 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
929 | break; |
930 | case SVt_NV: | |
931 | sv_upgrade(sv, SVt_PVNV); | |
932 | break; | |
ed6116ce | 933 | case SVt_RV: |
463ee0b2 | 934 | case SVt_PV: |
79072805 | 935 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 936 | break; |
a0d0e21e LW |
937 | |
938 | case SVt_PVGV: | |
a0d0e21e LW |
939 | case SVt_PVAV: |
940 | case SVt_PVHV: | |
941 | case SVt_PVCV: | |
942 | case SVt_PVFM: | |
943 | case SVt_PVIO: | |
11343788 MB |
944 | { |
945 | dTHR; | |
cea2e8a9 | 946 | Perl_croak(aTHX_ "Can't coerce %s to integer in %s", sv_reftype(sv,0), |
22c35a8c | 947 | PL_op_desc[PL_op->op_type]); |
11343788 | 948 | } |
463ee0b2 | 949 | } |
a0d0e21e | 950 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 951 | SvIVX(sv) = i; |
463ee0b2 | 952 | SvTAINT(sv); |
79072805 LW |
953 | } |
954 | ||
955 | void | |
864dbfa3 | 956 | Perl_sv_setiv_mg(pTHX_ register SV *sv, IV i) |
ef50df4b GS |
957 | { |
958 | sv_setiv(sv,i); | |
959 | SvSETMAGIC(sv); | |
960 | } | |
961 | ||
962 | void | |
864dbfa3 | 963 | Perl_sv_setuv(pTHX_ register SV *sv, UV u) |
55497cff | 964 | { |
25da4f38 IZ |
965 | sv_setiv(sv, 0); |
966 | SvIsUV_on(sv); | |
967 | SvUVX(sv) = u; | |
55497cff | 968 | } |
969 | ||
970 | void | |
864dbfa3 | 971 | Perl_sv_setuv_mg(pTHX_ register SV *sv, UV u) |
ef50df4b GS |
972 | { |
973 | sv_setuv(sv,u); | |
974 | SvSETMAGIC(sv); | |
975 | } | |
976 | ||
977 | void | |
65202027 | 978 | Perl_sv_setnv(pTHX_ register SV *sv, NV num) |
79072805 | 979 | { |
2213622d | 980 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
981 | switch (SvTYPE(sv)) { |
982 | case SVt_NULL: | |
983 | case SVt_IV: | |
79072805 | 984 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 985 | break; |
a0d0e21e LW |
986 | case SVt_RV: |
987 | case SVt_PV: | |
988 | case SVt_PVIV: | |
79072805 | 989 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e | 990 | break; |
827b7e14 | 991 | |
a0d0e21e | 992 | case SVt_PVGV: |
a0d0e21e LW |
993 | case SVt_PVAV: |
994 | case SVt_PVHV: | |
995 | case SVt_PVCV: | |
996 | case SVt_PVFM: | |
997 | case SVt_PVIO: | |
11343788 MB |
998 | { |
999 | dTHR; | |
cea2e8a9 | 1000 | Perl_croak(aTHX_ "Can't coerce %s to number in %s", sv_reftype(sv,0), |
22c35a8c | 1001 | PL_op_name[PL_op->op_type]); |
11343788 | 1002 | } |
79072805 | 1003 | } |
463ee0b2 | 1004 | SvNVX(sv) = num; |
a0d0e21e | 1005 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1006 | SvTAINT(sv); |
79072805 LW |
1007 | } |
1008 | ||
ef50df4b | 1009 | void |
65202027 | 1010 | Perl_sv_setnv_mg(pTHX_ register SV *sv, NV num) |
ef50df4b GS |
1011 | { |
1012 | sv_setnv(sv,num); | |
1013 | SvSETMAGIC(sv); | |
1014 | } | |
1015 | ||
76e3520e | 1016 | STATIC void |
cea2e8a9 | 1017 | S_not_a_number(pTHX_ SV *sv) |
a0d0e21e | 1018 | { |
11343788 | 1019 | dTHR; |
a0d0e21e LW |
1020 | char tmpbuf[64]; |
1021 | char *d = tmpbuf; | |
1022 | char *s; | |
dc28f22b GA |
1023 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1024 | /* each *s can expand to 4 chars + "...\0", | |
1025 | i.e. need room for 8 chars */ | |
a0d0e21e | 1026 | |
dc28f22b | 1027 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1028 | int ch = *s & 0xFF; |
1029 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1030 | *d++ = 'M'; |
1031 | *d++ = '-'; | |
1032 | ch &= 127; | |
1033 | } | |
bbce6d69 | 1034 | if (ch == '\n') { |
1035 | *d++ = '\\'; | |
1036 | *d++ = 'n'; | |
1037 | } | |
1038 | else if (ch == '\r') { | |
1039 | *d++ = '\\'; | |
1040 | *d++ = 'r'; | |
1041 | } | |
1042 | else if (ch == '\f') { | |
1043 | *d++ = '\\'; | |
1044 | *d++ = 'f'; | |
1045 | } | |
1046 | else if (ch == '\\') { | |
1047 | *d++ = '\\'; | |
1048 | *d++ = '\\'; | |
1049 | } | |
1050 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1051 | *d++ = ch; |
1052 | else { | |
1053 | *d++ = '^'; | |
bbce6d69 | 1054 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1055 | } |
1056 | } | |
1057 | if (*s) { | |
1058 | *d++ = '.'; | |
1059 | *d++ = '.'; | |
1060 | *d++ = '.'; | |
1061 | } | |
1062 | *d = '\0'; | |
1063 | ||
533c011a | 1064 | if (PL_op) |
cea2e8a9 | 1065 | Perl_warner(aTHX_ WARN_NUMERIC, "Argument \"%s\" isn't numeric in %s", tmpbuf, |
22c35a8c | 1066 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 1067 | else |
cea2e8a9 | 1068 | Perl_warner(aTHX_ WARN_NUMERIC, "Argument \"%s\" isn't numeric", tmpbuf); |
a0d0e21e LW |
1069 | } |
1070 | ||
cf2093f6 | 1071 | /* the number can be converted to integer with atol() or atoll() */ |
25da4f38 IZ |
1072 | #define IS_NUMBER_TO_INT_BY_ATOL 0x01 |
1073 | #define IS_NUMBER_TO_INT_BY_ATOF 0x02 /* atol() may be != atof() */ | |
1074 | #define IS_NUMBER_NOT_IV 0x04 /* (IV)atof() may be != atof() */ | |
1075 | #define IS_NUMBER_NEG 0x08 /* not good to cache UV */ | |
1076 | ||
1077 | /* Actually, ISO C leaves conversion of UV to IV undefined, but | |
1078 | until proven guilty, assume that things are not that bad... */ | |
1079 | ||
a0d0e21e | 1080 | IV |
864dbfa3 | 1081 | Perl_sv_2iv(pTHX_ register SV *sv) |
79072805 LW |
1082 | { |
1083 | if (!sv) | |
1084 | return 0; | |
8990e307 | 1085 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1086 | mg_get(sv); |
1087 | if (SvIOKp(sv)) | |
1088 | return SvIVX(sv); | |
748a9306 | 1089 | if (SvNOKp(sv)) { |
25da4f38 | 1090 | return I_V(SvNVX(sv)); |
748a9306 | 1091 | } |
36477c24 | 1092 | if (SvPOKp(sv) && SvLEN(sv)) |
1093 | return asIV(sv); | |
3fe9a6f1 | 1094 | if (!SvROK(sv)) { |
d008e5eb | 1095 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1096 | dTHR; |
d008e5eb | 1097 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
cea2e8a9 | 1098 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1099 | } |
36477c24 | 1100 | return 0; |
3fe9a6f1 | 1101 | } |
463ee0b2 | 1102 | } |
ed6116ce | 1103 | if (SvTHINKFIRST(sv)) { |
a0d0e21e | 1104 | if (SvROK(sv)) { |
a0d0e21e LW |
1105 | SV* tmpstr; |
1106 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
9e7bc3e8 | 1107 | return SvIV(tmpstr); |
a0d0e21e LW |
1108 | return (IV)SvRV(sv); |
1109 | } | |
0336b60e IZ |
1110 | if (SvREADONLY(sv) && !SvOK(sv)) { |
1111 | dTHR; | |
1112 | if (ckWARN(WARN_UNINITIALIZED)) | |
1113 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); | |
ed6116ce LW |
1114 | return 0; |
1115 | } | |
79072805 | 1116 | } |
25da4f38 IZ |
1117 | if (SvIOKp(sv)) { |
1118 | if (SvIsUV(sv)) { | |
1119 | return (IV)(SvUVX(sv)); | |
1120 | } | |
1121 | else { | |
1122 | return SvIVX(sv); | |
1123 | } | |
463ee0b2 | 1124 | } |
748a9306 | 1125 | if (SvNOKp(sv)) { |
25da4f38 IZ |
1126 | /* We can cache the IV/UV value even if it not good enough |
1127 | * to reconstruct NV, since the conversion to PV will prefer | |
cf2093f6 | 1128 | * NV over IV/UV. |
25da4f38 IZ |
1129 | */ |
1130 | ||
1131 | if (SvTYPE(sv) == SVt_NV) | |
1132 | sv_upgrade(sv, SVt_PVNV); | |
1133 | ||
a5f75d66 | 1134 | (void)SvIOK_on(sv); |
65202027 | 1135 | if (SvNVX(sv) < (NV)IV_MAX + 0.5) |
748a9306 | 1136 | SvIVX(sv) = I_V(SvNVX(sv)); |
25da4f38 | 1137 | else { |
ff68c719 | 1138 | SvUVX(sv) = U_V(SvNVX(sv)); |
25da4f38 IZ |
1139 | SvIsUV_on(sv); |
1140 | ret_iv_max: | |
cf2093f6 JH |
1141 | #ifdef IV_IS_QUAD |
1142 | DEBUG_c(PerlIO_printf(Perl_debug_log, | |
1143 | "0x%" PERL_PRIx64 " 2iv(%" PERL_PRIu64 " => %" PERL_PRId64 ") (as unsigned)\n", | |
1144 | (UV)sv, | |
1145 | (UV)SvUVX(sv), (IV)SvUVX(sv))); | |
1146 | #else | |
25da4f38 IZ |
1147 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1148 | "0x%lx 2iv(%lu => %ld) (as unsigned)\n", | |
1149 | (unsigned long)sv, | |
1150 | (unsigned long)SvUVX(sv), (long)(IV)SvUVX(sv))); | |
cf2093f6 | 1151 | #endif |
25da4f38 IZ |
1152 | return (IV)SvUVX(sv); |
1153 | } | |
748a9306 LW |
1154 | } |
1155 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
25da4f38 IZ |
1156 | I32 numtype = looks_like_number(sv); |
1157 | ||
1158 | /* We want to avoid a possible problem when we cache an IV which | |
1159 | may be later translated to an NV, and the resulting NV is not | |
1160 | the translation of the initial data. | |
1161 | ||
1162 | This means that if we cache such an IV, we need to cache the | |
1163 | NV as well. Moreover, we trade speed for space, and do not | |
1164 | cache the NV if not needed. | |
1165 | */ | |
1166 | if (numtype & IS_NUMBER_NOT_IV) { | |
1167 | /* May be not an integer. Need to cache NV if we cache IV | |
1168 | * - otherwise future conversion to NV will be wrong. */ | |
65202027 | 1169 | NV d; |
25da4f38 | 1170 | |
097ee67d | 1171 | d = Atof(SvPVX(sv)); |
25da4f38 IZ |
1172 | |
1173 | if (SvTYPE(sv) < SVt_PVNV) | |
1174 | sv_upgrade(sv, SVt_PVNV); | |
1175 | SvNVX(sv) = d; | |
1176 | (void)SvNOK_on(sv); | |
1177 | (void)SvIOK_on(sv); | |
65202027 | 1178 | #if defined(USE_LONG_DOUBLE) |
cf2093f6 | 1179 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%" PERL_PRIgldbl ")\n", |
572bbb43 | 1180 | (unsigned long)sv, SvNVX(sv))); |
65202027 | 1181 | #else |
572bbb43 GS |
1182 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%g)\n", |
1183 | (unsigned long)sv, SvNVX(sv))); | |
65202027 | 1184 | #endif |
65202027 | 1185 | if (SvNVX(sv) < (NV)IV_MAX + 0.5) |
25da4f38 IZ |
1186 | SvIVX(sv) = I_V(SvNVX(sv)); |
1187 | else { | |
1188 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1189 | SvIsUV_on(sv); | |
1190 | goto ret_iv_max; | |
1191 | } | |
1192 | } | |
1193 | else if (numtype) { | |
1194 | /* The NV may be reconstructed from IV - safe to cache IV, | |
1195 | which may be calculated by atol(). */ | |
1196 | if (SvTYPE(sv) == SVt_PV) | |
1197 | sv_upgrade(sv, SVt_PVIV); | |
1198 | (void)SvIOK_on(sv); | |
cf2093f6 | 1199 | SvIVX(sv) = Atol(SvPVX(sv)); |
25da4f38 IZ |
1200 | } |
1201 | else { /* Not a number. Cache 0. */ | |
1202 | dTHR; | |
1203 | ||
1204 | if (SvTYPE(sv) < SVt_PVIV) | |
1205 | sv_upgrade(sv, SVt_PVIV); | |
1206 | SvIVX(sv) = 0; | |
1207 | (void)SvIOK_on(sv); | |
1208 | if (ckWARN(WARN_NUMERIC)) | |
1209 | not_a_number(sv); | |
1210 | } | |
93a17b20 | 1211 | } |
79072805 | 1212 | else { |
11343788 | 1213 | dTHR; |
599cee73 | 1214 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
cea2e8a9 | 1215 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
25da4f38 IZ |
1216 | if (SvTYPE(sv) < SVt_IV) |
1217 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1218 | sv_upgrade(sv, SVt_IV); | |
a0d0e21e | 1219 | return 0; |
79072805 | 1220 | } |
760ac839 | 1221 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1222 | (unsigned long)sv,(long)SvIVX(sv))); |
25da4f38 | 1223 | return SvIsUV(sv) ? (IV)SvUVX(sv) : SvIVX(sv); |
79072805 LW |
1224 | } |
1225 | ||
ff68c719 | 1226 | UV |
864dbfa3 | 1227 | Perl_sv_2uv(pTHX_ register SV *sv) |
ff68c719 | 1228 | { |
1229 | if (!sv) | |
1230 | return 0; | |
1231 | if (SvGMAGICAL(sv)) { | |
1232 | mg_get(sv); | |
1233 | if (SvIOKp(sv)) | |
1234 | return SvUVX(sv); | |
1235 | if (SvNOKp(sv)) | |
1236 | return U_V(SvNVX(sv)); | |
36477c24 | 1237 | if (SvPOKp(sv) && SvLEN(sv)) |
1238 | return asUV(sv); | |
3fe9a6f1 | 1239 | if (!SvROK(sv)) { |
d008e5eb | 1240 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1241 | dTHR; |
d008e5eb | 1242 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
cea2e8a9 | 1243 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1244 | } |
36477c24 | 1245 | return 0; |
3fe9a6f1 | 1246 | } |
ff68c719 | 1247 | } |
1248 | if (SvTHINKFIRST(sv)) { | |
1249 | if (SvROK(sv)) { | |
ff68c719 | 1250 | SV* tmpstr; |
1251 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
9e7bc3e8 | 1252 | return SvUV(tmpstr); |
ff68c719 | 1253 | return (UV)SvRV(sv); |
1254 | } | |
0336b60e IZ |
1255 | if (SvREADONLY(sv) && !SvOK(sv)) { |
1256 | dTHR; | |
1257 | if (ckWARN(WARN_UNINITIALIZED)) | |
1258 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); | |
ff68c719 | 1259 | return 0; |
1260 | } | |
1261 | } | |
25da4f38 IZ |
1262 | if (SvIOKp(sv)) { |
1263 | if (SvIsUV(sv)) { | |
1264 | return SvUVX(sv); | |
1265 | } | |
1266 | else { | |
1267 | return (UV)SvIVX(sv); | |
1268 | } | |
ff68c719 | 1269 | } |
1270 | if (SvNOKp(sv)) { | |
25da4f38 IZ |
1271 | /* We can cache the IV/UV value even if it not good enough |
1272 | * to reconstruct NV, since the conversion to PV will prefer | |
cf2093f6 | 1273 | * NV over IV/UV. |
25da4f38 IZ |
1274 | */ |
1275 | if (SvTYPE(sv) == SVt_NV) | |
1276 | sv_upgrade(sv, SVt_PVNV); | |
ff68c719 | 1277 | (void)SvIOK_on(sv); |
25da4f38 IZ |
1278 | if (SvNVX(sv) >= -0.5) { |
1279 | SvIsUV_on(sv); | |
1280 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1281 | } | |
1282 | else { | |
1283 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1284 | ret_zero: | |
cf2093f6 JH |
1285 | #ifdef IV_IS_QUAD |
1286 | DEBUG_c(PerlIO_printf(Perl_debug_log, | |
1287 | "0x%" PERL_PRIx64 " 2uv(%" PERL_PRId64 " => %" PERL_PRIu64 ") (as signed)\n", | |
1288 | (unsigned long)sv,(long)SvIVX(sv), | |
1289 | (long)(UV)SvIVX(sv))); | |
1290 | #else | |
25da4f38 IZ |
1291 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1292 | "0x%lx 2uv(%ld => %lu) (as signed)\n", | |
1293 | (unsigned long)sv,(long)SvIVX(sv), | |
1294 | (long)(UV)SvIVX(sv))); | |
cf2093f6 | 1295 | #endif |
25da4f38 IZ |
1296 | return (UV)SvIVX(sv); |
1297 | } | |
ff68c719 | 1298 | } |
1299 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
25da4f38 IZ |
1300 | I32 numtype = looks_like_number(sv); |
1301 | ||
1302 | /* We want to avoid a possible problem when we cache a UV which | |
1303 | may be later translated to an NV, and the resulting NV is not | |
1304 | the translation of the initial data. | |
1305 | ||
1306 | This means that if we cache such a UV, we need to cache the | |
1307 | NV as well. Moreover, we trade speed for space, and do not | |
1308 | cache the NV if not needed. | |
1309 | */ | |
1310 | if (numtype & IS_NUMBER_NOT_IV) { | |
1311 | /* May be not an integer. Need to cache NV if we cache IV | |
1312 | * - otherwise future conversion to NV will be wrong. */ | |
65202027 | 1313 | NV d; |
25da4f38 | 1314 | |
cf2093f6 | 1315 | d = Atof(SvPVX(sv)); |
25da4f38 IZ |
1316 | |
1317 | if (SvTYPE(sv) < SVt_PVNV) | |
1318 | sv_upgrade(sv, SVt_PVNV); | |
1319 | SvNVX(sv) = d; | |
1320 | (void)SvNOK_on(sv); | |
1321 | (void)SvIOK_on(sv); | |
65202027 | 1322 | #if defined(USE_LONG_DOUBLE) |
cf2093f6 | 1323 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%" PERL_PRIg64 ")\n", |
572bbb43 | 1324 | (unsigned long)sv, SvNVX(sv))); |
65202027 | 1325 | #else |
572bbb43 GS |
1326 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%g)\n", |
1327 | (unsigned long)sv, SvNVX(sv))); | |
65202027 | 1328 | #endif |
25da4f38 IZ |
1329 | if (SvNVX(sv) < -0.5) { |
1330 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1331 | goto ret_zero; | |
1332 | } else { | |
1333 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1334 | SvIsUV_on(sv); | |
1335 | } | |
1336 | } | |
1337 | else if (numtype & IS_NUMBER_NEG) { | |
1338 | /* The NV may be reconstructed from IV - safe to cache IV, | |
1339 | which may be calculated by atol(). */ | |
1340 | if (SvTYPE(sv) == SVt_PV) | |
1341 | sv_upgrade(sv, SVt_PVIV); | |
1342 | (void)SvIOK_on(sv); | |
cf2093f6 | 1343 | SvIVX(sv) = (IV)Atol(SvPVX(sv)); |
25da4f38 IZ |
1344 | } |
1345 | else if (numtype) { /* Non-negative */ | |
1346 | /* The NV may be reconstructed from UV - safe to cache UV, | |
1347 | which may be calculated by strtoul()/atol. */ | |
1348 | if (SvTYPE(sv) == SVt_PV) | |
1349 | sv_upgrade(sv, SVt_PVIV); | |
1350 | (void)SvIOK_on(sv); | |
1351 | (void)SvIsUV_on(sv); | |
1352 | #ifdef HAS_STRTOUL | |
cf2093f6 | 1353 | SvUVX(sv) = Strtoul(SvPVX(sv), Null(char**), 10); |
25da4f38 IZ |
1354 | #else /* no atou(), but we know the number fits into IV... */ |
1355 | /* The only problem may be if it is negative... */ | |
cf2093f6 | 1356 | SvUVX(sv) = (UV)Atol(SvPVX(sv)); |
25da4f38 IZ |
1357 | #endif |
1358 | } | |
1359 | else { /* Not a number. Cache 0. */ | |
1360 | dTHR; | |
1361 | ||
1362 | if (SvTYPE(sv) < SVt_PVIV) | |
1363 | sv_upgrade(sv, SVt_PVIV); | |
1364 | SvUVX(sv) = 0; /* We assume that 0s have the | |
1365 | same bitmap in IV and UV. */ | |
1366 | (void)SvIOK_on(sv); | |
1367 | (void)SvIsUV_on(sv); | |
1368 | if (ckWARN(WARN_NUMERIC)) | |
1369 | not_a_number(sv); | |
1370 | } | |
ff68c719 | 1371 | } |
1372 | else { | |
d008e5eb | 1373 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1374 | dTHR; |
d008e5eb | 1375 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
cea2e8a9 | 1376 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1377 | } |
25da4f38 IZ |
1378 | if (SvTYPE(sv) < SVt_IV) |
1379 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1380 | sv_upgrade(sv, SVt_IV); | |
ff68c719 | 1381 | return 0; |
1382 | } | |
25da4f38 | 1383 | |
ff68c719 | 1384 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", |
1385 | (unsigned long)sv,SvUVX(sv))); | |
25da4f38 | 1386 | return SvIsUV(sv) ? SvUVX(sv) : (UV)SvIVX(sv); |
ff68c719 | 1387 | } |
1388 | ||
65202027 | 1389 | NV |
864dbfa3 | 1390 | Perl_sv_2nv(pTHX_ register SV *sv) |
79072805 LW |
1391 | { |
1392 | if (!sv) | |
1393 | return 0.0; | |
8990e307 | 1394 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1395 | mg_get(sv); |
1396 | if (SvNOKp(sv)) | |
1397 | return SvNVX(sv); | |
a0d0e21e | 1398 | if (SvPOKp(sv) && SvLEN(sv)) { |
d008e5eb | 1399 | dTHR; |
599cee73 | 1400 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1401 | not_a_number(sv); |
097ee67d | 1402 | return Atof(SvPVX(sv)); |
a0d0e21e | 1403 | } |
25da4f38 IZ |
1404 | if (SvIOKp(sv)) { |
1405 | if (SvIsUV(sv)) | |
65202027 | 1406 | return (NV)SvUVX(sv); |
25da4f38 | 1407 | else |
65202027 | 1408 | return (NV)SvIVX(sv); |
25da4f38 | 1409 | } |
16d20bd9 | 1410 | if (!SvROK(sv)) { |
d008e5eb | 1411 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1412 | dTHR; |
d008e5eb | 1413 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
cea2e8a9 | 1414 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1415 | } |
16d20bd9 AD |
1416 | return 0; |
1417 | } | |
463ee0b2 | 1418 | } |
ed6116ce | 1419 | if (SvTHINKFIRST(sv)) { |
a0d0e21e | 1420 | if (SvROK(sv)) { |
a0d0e21e LW |
1421 | SV* tmpstr; |
1422 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
9e7bc3e8 | 1423 | return SvNV(tmpstr); |
65202027 | 1424 | return (NV)(unsigned long)SvRV(sv); |
a0d0e21e | 1425 | } |
0336b60e | 1426 | if (SvREADONLY(sv) && !SvOK(sv)) { |
d008e5eb | 1427 | dTHR; |
599cee73 | 1428 | if (ckWARN(WARN_UNINITIALIZED)) |
cea2e8a9 | 1429 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
ed6116ce LW |
1430 | return 0.0; |
1431 | } | |
79072805 LW |
1432 | } |
1433 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1434 | if (SvTYPE(sv) == SVt_IV) |
1435 | sv_upgrade(sv, SVt_PVNV); | |
1436 | else | |
1437 | sv_upgrade(sv, SVt_NV); | |
572bbb43 | 1438 | #if defined(USE_LONG_DOUBLE) |
097ee67d JH |
1439 | DEBUG_c({ |
1440 | RESTORE_NUMERIC_STANDARD(); | |
cf2093f6 | 1441 | PerlIO_printf(Perl_debug_log, "0x%lx num(%" PERL_PRIg64 ")\n", |
572bbb43 GS |
1442 | (unsigned long)sv, SvNVX(sv)); |
1443 | RESTORE_NUMERIC_LOCAL(); | |
1444 | }); | |
65202027 | 1445 | #else |
572bbb43 GS |
1446 | DEBUG_c({ |
1447 | RESTORE_NUMERIC_STANDARD(); | |
1448 | PerlIO_printf(Perl_debug_log, "0x%lx num(%g)\n", | |
1449 | (unsigned long)sv, SvNVX(sv)); | |
097ee67d JH |
1450 | RESTORE_NUMERIC_LOCAL(); |
1451 | }); | |
572bbb43 | 1452 | #endif |
79072805 LW |
1453 | } |
1454 | else if (SvTYPE(sv) < SVt_PVNV) | |
1455 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1456 | if (SvIOKp(sv) && |
1457 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1458 | { |
65202027 | 1459 | SvNVX(sv) = SvIsUV(sv) ? (NV)SvUVX(sv) : (NV)SvIVX(sv); |
93a17b20 | 1460 | } |
748a9306 | 1461 | else if (SvPOKp(sv) && SvLEN(sv)) { |
d008e5eb | 1462 | dTHR; |
599cee73 | 1463 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1464 | not_a_number(sv); |
097ee67d | 1465 | SvNVX(sv) = Atof(SvPVX(sv)); |
93a17b20 | 1466 | } |
79072805 | 1467 | else { |
11343788 | 1468 | dTHR; |
599cee73 | 1469 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
cea2e8a9 | 1470 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
25da4f38 IZ |
1471 | if (SvTYPE(sv) < SVt_NV) |
1472 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1473 | sv_upgrade(sv, SVt_NV); | |
a0d0e21e | 1474 | return 0.0; |
79072805 LW |
1475 | } |
1476 | SvNOK_on(sv); | |
572bbb43 | 1477 | #if defined(USE_LONG_DOUBLE) |
097ee67d JH |
1478 | DEBUG_c({ |
1479 | RESTORE_NUMERIC_STANDARD(); | |
cf2093f6 | 1480 | PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%" PERL_PRIg64 ")\n", |
572bbb43 GS |
1481 | (unsigned long)sv, SvNVX(sv)); |
1482 | RESTORE_NUMERIC_LOCAL(); | |
1483 | }); | |
65202027 | 1484 | #else |
572bbb43 GS |
1485 | DEBUG_c({ |
1486 | RESTORE_NUMERIC_STANDARD(); | |
1487 | PerlIO_printf(Perl_debug_log, "0x%lx 1nv(%g)\n", | |
1488 | (unsigned long)sv, SvNVX(sv)); | |
097ee67d JH |
1489 | RESTORE_NUMERIC_LOCAL(); |
1490 | }); | |
572bbb43 | 1491 | #endif |
463ee0b2 | 1492 | return SvNVX(sv); |
79072805 LW |
1493 | } |
1494 | ||
76e3520e | 1495 | STATIC IV |
cea2e8a9 | 1496 | S_asIV(pTHX_ SV *sv) |
36477c24 | 1497 | { |
1498 | I32 numtype = looks_like_number(sv); | |
65202027 | 1499 | NV d; |
36477c24 | 1500 | |
25da4f38 | 1501 | if (numtype & IS_NUMBER_TO_INT_BY_ATOL) |
cf2093f6 | 1502 | return Atol(SvPVX(sv)); |
d008e5eb GS |
1503 | if (!numtype) { |
1504 | dTHR; | |
1505 | if (ckWARN(WARN_NUMERIC)) | |
1506 | not_a_number(sv); | |
1507 | } | |
097ee67d | 1508 | d = Atof(SvPVX(sv)); |
25da4f38 | 1509 | return I_V(d); |
36477c24 | 1510 | } |
1511 | ||
76e3520e | 1512 | STATIC UV |
cea2e8a9 | 1513 | S_asUV(pTHX_ SV *sv) |
36477c24 | 1514 | { |
1515 | I32 numtype = looks_like_number(sv); | |
1516 | ||
84902520 | 1517 | #ifdef HAS_STRTOUL |
25da4f38 | 1518 | if (numtype & IS_NUMBER_TO_INT_BY_ATOL) |
cf2093f6 | 1519 | return Strtoul(SvPVX(sv), Null(char**), 10); |
84902520 | 1520 | #endif |
d008e5eb GS |
1521 | if (!numtype) { |
1522 | dTHR; | |
1523 | if (ckWARN(WARN_NUMERIC)) | |
1524 | not_a_number(sv); | |
1525 | } | |
097ee67d | 1526 | return U_V(Atof(SvPVX(sv))); |
36477c24 | 1527 | } |
1528 | ||
25da4f38 IZ |
1529 | /* |
1530 | * Returns a combination of (advisory only - can get false negatives) | |
1531 | * IS_NUMBER_TO_INT_BY_ATOL, IS_NUMBER_TO_INT_BY_ATOF, IS_NUMBER_NOT_IV, | |
1532 | * IS_NUMBER_NEG | |
1533 | * 0 if does not look like number. | |
1534 | * | |
1535 | * In fact possible values are 0 and | |
1536 | * IS_NUMBER_TO_INT_BY_ATOL 123 | |
1537 | * IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV 123.1 | |
1538 | * IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV 123e0 | |
1539 | * with a possible addition of IS_NUMBER_NEG. | |
1540 | */ | |
1541 | ||
36477c24 | 1542 | I32 |
864dbfa3 | 1543 | Perl_looks_like_number(pTHX_ SV *sv) |
36477c24 | 1544 | { |
1545 | register char *s; | |
1546 | register char *send; | |
1547 | register char *sbegin; | |
25da4f38 IZ |
1548 | register char *nbegin; |
1549 | I32 numtype = 0; | |
36477c24 | 1550 | STRLEN len; |
1551 | ||
1552 | if (SvPOK(sv)) { | |
1553 | sbegin = SvPVX(sv); | |
1554 | len = SvCUR(sv); | |
1555 | } | |
1556 | else if (SvPOKp(sv)) | |
1557 | sbegin = SvPV(sv, len); | |
1558 | else | |
1559 | return 1; | |
1560 | send = sbegin + len; | |
1561 | ||
1562 | s = sbegin; | |
1563 | while (isSPACE(*s)) | |
1564 | s++; | |
25da4f38 IZ |
1565 | if (*s == '-') { |
1566 | s++; | |
1567 | numtype = IS_NUMBER_NEG; | |
1568 | } | |
1569 | else if (*s == '+') | |
36477c24 | 1570 | s++; |
ff0cee69 | 1571 | |
25da4f38 IZ |
1572 | nbegin = s; |
1573 | /* | |
097ee67d JH |
1574 | * we return IS_NUMBER_TO_INT_BY_ATOL if the number can be converted |
1575 | * to _integer_ with atol() and IS_NUMBER_TO_INT_BY_ATOF if you need | |
1576 | * (int)atof(). | |
25da4f38 IZ |
1577 | */ |
1578 | ||
097ee67d | 1579 | /* next must be digit or the radix separator */ |
ff0cee69 | 1580 | if (isDIGIT(*s)) { |
1581 | do { | |
1582 | s++; | |
1583 | } while (isDIGIT(*s)); | |
25da4f38 IZ |
1584 | |
1585 | if (s - nbegin >= TYPE_DIGITS(IV)) /* Cannot cache ato[ul]() */ | |
1586 | numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV; | |
1587 | else | |
1588 | numtype |= IS_NUMBER_TO_INT_BY_ATOL; | |
1589 | ||
097ee67d JH |
1590 | if (*s == '.' |
1591 | #ifdef USE_LOCALE_NUMERIC | |
1592 | || IS_NUMERIC_RADIX(*s) | |
1593 | #endif | |
1594 | ) { | |
ff0cee69 | 1595 | s++; |
25da4f38 | 1596 | numtype |= IS_NUMBER_NOT_IV; |
097ee67d | 1597 | while (isDIGIT(*s)) /* optional digits after the radix */ |
ff0cee69 | 1598 | s++; |
1599 | } | |
36477c24 | 1600 | } |
097ee67d JH |
1601 | else if (*s == '.' |
1602 | #ifdef USE_LOCALE_NUMERIC | |
1603 | || IS_NUMERIC_RADIX(*s) | |
1604 | #endif | |
1605 | ) { | |
ff0cee69 | 1606 | s++; |
25da4f38 | 1607 | numtype |= IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV; |
097ee67d | 1608 | /* no digits before the radix means we need digits after it */ |
ff0cee69 | 1609 | if (isDIGIT(*s)) { |
1610 | do { | |
1611 | s++; | |
1612 | } while (isDIGIT(*s)); | |
1613 | } | |
1614 | else | |
1615 | return 0; | |
1616 | } | |
1617 | else | |
1618 | return 0; | |
1619 | ||
ff0cee69 | 1620 | /* we can have an optional exponent part */ |
36477c24 | 1621 | if (*s == 'e' || *s == 'E') { |
25da4f38 IZ |
1622 | numtype &= ~IS_NUMBER_NEG; |
1623 | numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV; | |
36477c24 | 1624 | s++; |
1625 | if (*s == '+' || *s == '-') | |
1626 | s++; | |
ff0cee69 | 1627 | if (isDIGIT(*s)) { |
1628 | do { | |
1629 | s++; | |
1630 | } while (isDIGIT(*s)); | |
1631 | } | |
1632 | else | |
1633 | return 0; | |
36477c24 | 1634 | } |
1635 | while (isSPACE(*s)) | |
1636 | s++; | |
1637 | if (s >= send) | |
1638 | return numtype; | |
1639 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
25da4f38 | 1640 | return IS_NUMBER_TO_INT_BY_ATOL; |
36477c24 | 1641 | return 0; |
1642 | } | |
1643 | ||
79072805 | 1644 | char * |
864dbfa3 | 1645 | Perl_sv_2pv_nolen(pTHX_ register SV *sv) |
1fa8b10d JD |
1646 | { |
1647 | STRLEN n_a; | |
1648 | return sv_2pv(sv, &n_a); | |
1649 | } | |
1650 | ||
25da4f38 | 1651 | /* We assume that buf is at least TYPE_CHARS(UV) long. */ |
864dbfa3 | 1652 | static char * |
25da4f38 IZ |
1653 | uiv_2buf(char *buf, IV iv, UV uv, int is_uv, char **peob) |
1654 | { | |
1655 | STRLEN len; | |
1656 | char *ptr = buf + TYPE_CHARS(UV); | |
1657 | char *ebuf = ptr; | |
1658 | int sign; | |
1659 | char *p; | |
1660 | ||
1661 | if (is_uv) | |
1662 | sign = 0; | |
1663 | else if (iv >= 0) { | |
1664 | uv = iv; | |
1665 | sign = 0; | |
1666 | } else { | |
1667 | uv = -iv; | |
1668 | sign = 1; | |
1669 | } | |
1670 | do { | |
1671 | *--ptr = '0' + (uv % 10); | |
1672 | } while (uv /= 10); | |
1673 | if (sign) | |
1674 | *--ptr = '-'; | |
1675 | *peob = ebuf; | |
1676 | return ptr; | |
1677 | } | |
1678 | ||
1fa8b10d | 1679 | char * |
864dbfa3 | 1680 | Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp) |
79072805 LW |
1681 | { |
1682 | register char *s; | |
1683 | int olderrno; | |
46fc3d4c | 1684 | SV *tsv; |
25da4f38 IZ |
1685 | char tbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
1686 | char *tmpbuf = tbuf; | |
79072805 | 1687 | |
463ee0b2 LW |
1688 | if (!sv) { |
1689 | *lp = 0; | |
1690 | return ""; | |
1691 | } | |
8990e307 | 1692 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1693 | mg_get(sv); |
1694 | if (SvPOKp(sv)) { | |
1695 | *lp = SvCUR(sv); | |
1696 | return SvPVX(sv); | |
1697 | } | |
cf2093f6 JH |
1698 | if (SvIOKp(sv)) { |
1699 | #ifdef IV_IS_QUAD | |
1700 | if (SvIsUV(sv)) | |
1701 | (void)sprintf(tmpbuf,"%" PERL_PRIu64,(UV)SvUVX(sv)); | |
1702 | else | |
1703 | (void)sprintf(tmpbuf,"%" PERL_PRId64,(IV)SvIVX(sv)); | |
1704 | #else | |
25da4f38 IZ |
1705 | if (SvIsUV(sv)) |
1706 | (void)sprintf(tmpbuf,"%lu",(unsigned long)SvUVX(sv)); | |
1707 | else | |
1708 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); | |
cf2093f6 | 1709 | #endif |
46fc3d4c | 1710 | tsv = Nullsv; |
a0d0e21e | 1711 | goto tokensave; |
463ee0b2 LW |
1712 | } |
1713 | if (SvNOKp(sv)) { | |
96827780 | 1714 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1715 | tsv = Nullsv; |
a0d0e21e | 1716 | goto tokensave; |
463ee0b2 | 1717 | } |
16d20bd9 | 1718 | if (!SvROK(sv)) { |
d008e5eb | 1719 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1720 | dTHR; |
d008e5eb | 1721 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
cea2e8a9 | 1722 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1723 | } |
16d20bd9 AD |
1724 | *lp = 0; |
1725 | return ""; | |
1726 | } | |
463ee0b2 | 1727 | } |
ed6116ce LW |
1728 | if (SvTHINKFIRST(sv)) { |
1729 | if (SvROK(sv)) { | |
a0d0e21e LW |
1730 | SV* tmpstr; |
1731 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
9e7bc3e8 | 1732 | return SvPV(tmpstr,*lp); |
ed6116ce LW |
1733 | sv = (SV*)SvRV(sv); |
1734 | if (!sv) | |
1735 | s = "NULLREF"; | |
1736 | else { | |
f9277f47 IZ |
1737 | MAGIC *mg; |
1738 | ||
ed6116ce | 1739 | switch (SvTYPE(sv)) { |
f9277f47 IZ |
1740 | case SVt_PVMG: |
1741 | if ( ((SvFLAGS(sv) & | |
1742 | (SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG)) | |
3149a8e4 | 1743 | == (SVs_OBJECT|SVs_RMG)) |
57668c4d | 1744 | && strEQ(s=HvNAME(SvSTASH(sv)), "Regexp") |
f9277f47 | 1745 | && (mg = mg_find(sv, 'r'))) { |
5c0ca799 | 1746 | dTHR; |
2cd61cdb | 1747 | regexp *re = (regexp *)mg->mg_obj; |
1bd3ad17 | 1748 | |
2cd61cdb | 1749 | if (!mg->mg_ptr) { |
8782bef2 GB |
1750 | char *fptr = "msix"; |
1751 | char reflags[6]; | |
1752 | char ch; | |
1753 | int left = 0; | |
1754 | int right = 4; | |
1755 | U16 reganch = (re->reganch & PMf_COMPILETIME) >> 12; | |
1756 | ||
1757 | while(ch = *fptr++) { | |
1758 | if(reganch & 1) { | |
1759 | reflags[left++] = ch; | |
1760 | } | |
1761 | else { | |
1762 | reflags[right--] = ch; | |
1763 | } | |
1764 | reganch >>= 1; | |
1765 | } | |
1766 | if(left != 4) { | |
1767 | reflags[left] = '-'; | |
1768 | left = 5; | |
1769 | } | |
1770 | ||
1771 | mg->mg_len = re->prelen + 4 + left; | |
1772 | New(616, mg->mg_ptr, mg->mg_len + 1 + left, char); | |
1773 | Copy("(?", mg->mg_ptr, 2, char); | |
1774 | Copy(reflags, mg->mg_ptr+2, left, char); | |
1775 | Copy(":", mg->mg_ptr+left+2, 1, char); | |
1776 | Copy(re->precomp, mg->mg_ptr+3+left, re->prelen, char); | |
1bd3ad17 IZ |
1777 | mg->mg_ptr[mg->mg_len - 1] = ')'; |
1778 | mg->mg_ptr[mg->mg_len] = 0; | |
1779 | } | |
3280af22 | 1780 | PL_reginterp_cnt += re->program[0].next_off; |
1bd3ad17 IZ |
1781 | *lp = mg->mg_len; |
1782 | return mg->mg_ptr; | |
f9277f47 IZ |
1783 | } |
1784 | /* Fall through */ | |
ed6116ce LW |
1785 | case SVt_NULL: |
1786 | case SVt_IV: | |
1787 | case SVt_NV: | |
1788 | case SVt_RV: | |
1789 | case SVt_PV: | |
1790 | case SVt_PVIV: | |
1791 | case SVt_PVNV: | |
f9277f47 | 1792 | case SVt_PVBM: s = "SCALAR"; break; |
ed6116ce LW |
1793 | case SVt_PVLV: s = "LVALUE"; break; |
1794 | case SVt_PVAV: s = "ARRAY"; break; | |
1795 | case SVt_PVHV: s = "HASH"; break; | |
1796 | case SVt_PVCV: s = "CODE"; break; | |
1797 | case SVt_PVGV: s = "GLOB"; break; | |
1d2dff63 | 1798 | case SVt_PVFM: s = "FORMAT"; break; |
36477c24 | 1799 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1800 | default: s = "UNKNOWN"; break; |
1801 | } | |
46fc3d4c | 1802 | tsv = NEWSV(0,0); |
ed6116ce | 1803 | if (SvOBJECT(sv)) |
cea2e8a9 | 1804 | Perl_sv_setpvf(aTHX_ tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1805 | else |
46fc3d4c | 1806 | sv_setpv(tsv, s); |
cf2093f6 JH |
1807 | #ifdef IV_IS_QUAD |
1808 | Perl_sv_catpvf(aTHX_ tsv, "(0x%" PERL_PRIx64")", (UV)sv); | |
1809 | #else | |
cea2e8a9 | 1810 | Perl_sv_catpvf(aTHX_ tsv, "(0x%lx)", (unsigned long)sv); |
cf2093f6 | 1811 | #endif |
a0d0e21e | 1812 | goto tokensaveref; |
463ee0b2 | 1813 | } |
ed6116ce LW |
1814 | *lp = strlen(s); |
1815 | return s; | |
79072805 | 1816 | } |
0336b60e IZ |
1817 | if (SvREADONLY(sv) && !SvOK(sv)) { |
1818 | dTHR; | |
1819 | if (ckWARN(WARN_UNINITIALIZED)) | |
1820 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); | |
ed6116ce LW |
1821 | *lp = 0; |
1822 | return ""; | |
79072805 | 1823 | } |
79072805 | 1824 | } |
25da4f38 IZ |
1825 | if (SvNOKp(sv)) { /* See note in sv_2uv() */ |
1826 | /* XXXX 64-bit? IV may have better precision... */ | |
79072805 LW |
1827 | if (SvTYPE(sv) < SVt_PVNV) |
1828 | sv_upgrade(sv, SVt_PVNV); | |
1829 | SvGROW(sv, 28); | |
463ee0b2 | 1830 | s = SvPVX(sv); |
79072805 | 1831 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1832 | #ifdef apollo |
463ee0b2 | 1833 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1834 | (void)strcpy(s,"0"); |
1835 | else | |
1836 | #endif /*apollo*/ | |
bbce6d69 | 1837 | { |
a0d0e21e | 1838 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1839 | } |
79072805 | 1840 | errno = olderrno; |
a0d0e21e LW |
1841 | #ifdef FIXNEGATIVEZERO |
1842 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1843 | strcpy(s,"0"); | |
1844 | #endif | |
79072805 LW |
1845 | while (*s) s++; |
1846 | #ifdef hcx | |
1847 | if (s[-1] == '.') | |
46fc3d4c | 1848 | *--s = '\0'; |
79072805 LW |
1849 | #endif |
1850 | } | |
748a9306 | 1851 | else if (SvIOKp(sv)) { |
25da4f38 | 1852 | U32 isIOK = SvIOK(sv); |
0336b60e | 1853 | U32 isUIOK = SvIsUV(sv); |
25da4f38 IZ |
1854 | char buf[TYPE_CHARS(UV)]; |
1855 | char *ebuf, *ptr; | |
1856 | ||
79072805 LW |
1857 | if (SvTYPE(sv) < SVt_PVIV) |
1858 | sv_upgrade(sv, SVt_PVIV); | |
0336b60e | 1859 | if (isUIOK) |
25da4f38 | 1860 | ptr = uiv_2buf(buf, 0, SvUVX(sv), 1, &ebuf); |
0336b60e | 1861 | else |
25da4f38 | 1862 | ptr = uiv_2buf(buf, SvIVX(sv), 0, 0, &ebuf); |
0336b60e IZ |
1863 | SvGROW(sv, ebuf - ptr + 1); /* inlined from sv_setpvn */ |
1864 | Move(ptr,SvPVX(sv),ebuf - ptr,char); | |
1865 | SvCUR_set(sv, ebuf - ptr); | |
46fc3d4c | 1866 | s = SvEND(sv); |
0336b60e | 1867 | *s = '\0'; |
25da4f38 | 1868 | if (isIOK) |
64f14228 GA |
1869 | SvIOK_on(sv); |
1870 | else | |
1871 | SvIOKp_on(sv); | |
0336b60e IZ |
1872 | if (isUIOK) |
1873 | SvIsUV_on(sv); | |
1874 | SvPOK_on(sv); | |
79072805 LW |
1875 | } |
1876 | else { | |
11343788 | 1877 | dTHR; |
0336b60e IZ |
1878 | if (ckWARN(WARN_UNINITIALIZED) |
1879 | && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) | |
1880 | { | |
cea2e8a9 | 1881 | Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit); |
0336b60e | 1882 | } |
a0d0e21e | 1883 | *lp = 0; |
25da4f38 IZ |
1884 | if (SvTYPE(sv) < SVt_PV) |
1885 | /* Typically the caller expects that sv_any is not NULL now. */ | |
1886 | sv_upgrade(sv, SVt_PV); | |
a0d0e21e | 1887 | return ""; |
79072805 | 1888 | } |
463ee0b2 LW |
1889 | *lp = s - SvPVX(sv); |
1890 | SvCUR_set(sv, *lp); | |
79072805 | 1891 | SvPOK_on(sv); |
0336b60e IZ |
1892 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
1893 | (unsigned long)sv,SvPVX(sv))); | |
463ee0b2 | 1894 | return SvPVX(sv); |
a0d0e21e LW |
1895 | |
1896 | tokensave: | |
1897 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1898 | /* Sneaky stuff here */ | |
1899 | ||
1900 | tokensaveref: | |
46fc3d4c | 1901 | if (!tsv) |
96827780 | 1902 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1903 | sv_2mortal(tsv); |
1904 | *lp = SvCUR(tsv); | |
1905 | return SvPVX(tsv); | |
a0d0e21e LW |
1906 | } |
1907 | else { | |
1908 | STRLEN len; | |
46fc3d4c | 1909 | char *t; |
1910 | ||
1911 | if (tsv) { | |
1912 | sv_2mortal(tsv); | |
1913 | t = SvPVX(tsv); | |
1914 | len = SvCUR(tsv); | |
1915 | } | |
1916 | else { | |
96827780 MB |
1917 | t = tmpbuf; |
1918 | len = strlen(tmpbuf); | |
46fc3d4c | 1919 | } |
a0d0e21e | 1920 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1921 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1922 | t = "0"; | |
1923 | len = 1; | |
1924 | } | |
a0d0e21e LW |
1925 | #endif |
1926 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1927 | *lp = len; |
a0d0e21e LW |
1928 | s = SvGROW(sv, len + 1); |
1929 | SvCUR_set(sv, len); | |
46fc3d4c | 1930 | (void)strcpy(s, t); |
6bf554b4 | 1931 | SvPOKp_on(sv); |
a0d0e21e LW |
1932 | return s; |
1933 | } | |
463ee0b2 LW |
1934 | } |
1935 | ||
1936 | /* This function is only called on magical items */ | |
1937 | bool | |
864dbfa3 | 1938 | Perl_sv_2bool(pTHX_ register SV *sv) |
463ee0b2 | 1939 | { |
8990e307 | 1940 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1941 | mg_get(sv); |
1942 | ||
a0d0e21e LW |
1943 | if (!SvOK(sv)) |
1944 | return 0; | |
1945 | if (SvROK(sv)) { | |
11343788 | 1946 | dTHR; |
a0d0e21e LW |
1947 | SV* tmpsv; |
1948 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
9e7bc3e8 | 1949 | return SvTRUE(tmpsv); |
a0d0e21e LW |
1950 | return SvRV(sv) != 0; |
1951 | } | |
463ee0b2 | 1952 | if (SvPOKp(sv)) { |
11343788 MB |
1953 | register XPV* Xpvtmp; |
1954 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1955 | (*Xpvtmp->xpv_pv > '0' || | |
1956 | Xpvtmp->xpv_cur > 1 || | |
1957 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1958 | return 1; |
1959 | else | |
1960 | return 0; | |
1961 | } | |
1962 | else { | |
1963 | if (SvIOKp(sv)) | |
1964 | return SvIVX(sv) != 0; | |
1965 | else { | |
1966 | if (SvNOKp(sv)) | |
1967 | return SvNVX(sv) != 0.0; | |
1968 | else | |
1969 | return FALSE; | |
1970 | } | |
1971 | } | |
79072805 LW |
1972 | } |
1973 | ||
1974 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1975 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1976 | * as temporary. |
1977 | */ | |
1978 | ||
1979 | void | |
864dbfa3 | 1980 | Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr) |
79072805 | 1981 | { |
11343788 | 1982 | dTHR; |
8990e307 LW |
1983 | register U32 sflags; |
1984 | register int dtype; | |
1985 | register int stype; | |
463ee0b2 | 1986 | |
79072805 LW |
1987 | if (sstr == dstr) |
1988 | return; | |
2213622d | 1989 | SV_CHECK_THINKFIRST(dstr); |
79072805 | 1990 | if (!sstr) |
3280af22 | 1991 | sstr = &PL_sv_undef; |
8990e307 LW |
1992 | stype = SvTYPE(sstr); |
1993 | dtype = SvTYPE(dstr); | |
79072805 | 1994 | |
a0d0e21e | 1995 | SvAMAGIC_off(dstr); |
9e7bc3e8 | 1996 | |
463ee0b2 | 1997 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1998 | |
8990e307 | 1999 | switch (stype) { |
79072805 | 2000 | case SVt_NULL: |
aece5585 | 2001 | undef_sstr: |
20408e3c GS |
2002 | if (dtype != SVt_PVGV) { |
2003 | (void)SvOK_off(dstr); | |
2004 | return; | |
2005 | } | |
2006 | break; | |
463ee0b2 | 2007 | case SVt_IV: |
aece5585 GA |
2008 | if (SvIOK(sstr)) { |
2009 | switch (dtype) { | |
2010 | case SVt_NULL: | |
8990e307 | 2011 | sv_upgrade(dstr, SVt_IV); |
aece5585 GA |
2012 | break; |
2013 | case SVt_NV: | |
8990e307 | 2014 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2015 | break; |
2016 | case SVt_RV: | |
2017 | case SVt_PV: | |
a0d0e21e | 2018 | sv_upgrade(dstr, SVt_PVIV); |
aece5585 GA |
2019 | break; |
2020 | } | |
2021 | (void)SvIOK_only(dstr); | |
2022 | SvIVX(dstr) = SvIVX(sstr); | |
25da4f38 IZ |
2023 | if (SvIsUV(sstr)) |
2024 | SvIsUV_on(dstr); | |
aece5585 GA |
2025 | SvTAINT(dstr); |
2026 | return; | |
8990e307 | 2027 | } |
aece5585 GA |
2028 | goto undef_sstr; |
2029 | ||
463ee0b2 | 2030 | case SVt_NV: |
aece5585 GA |
2031 | if (SvNOK(sstr)) { |
2032 | switch (dtype) { | |
2033 | case SVt_NULL: | |
2034 | case SVt_IV: | |
8990e307 | 2035 | sv_upgrade(dstr, SVt_NV); |
aece5585 GA |
2036 | break; |
2037 | case SVt_RV: | |
2038 | case SVt_PV: | |
2039 | case SVt_PVIV: | |
a0d0e21e | 2040 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2041 | break; |
2042 | } | |
2043 | SvNVX(dstr) = SvNVX(sstr); | |
2044 | (void)SvNOK_only(dstr); | |
2045 | SvTAINT(dstr); | |
2046 | return; | |
8990e307 | 2047 | } |
aece5585 GA |
2048 | goto undef_sstr; |
2049 | ||
ed6116ce | 2050 | case SVt_RV: |
8990e307 | 2051 | if (dtype < SVt_RV) |
ed6116ce | 2052 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 2053 | else if (dtype == SVt_PVGV && |
2054 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
2055 | sstr = SvRV(sstr); | |
a5f75d66 | 2056 | if (sstr == dstr) { |
3280af22 | 2057 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 AD |
2058 | GvIMPORTED_on(dstr); |
2059 | GvMULTI_on(dstr); | |
2060 | return; | |
2061 | } | |
c07a80fd | 2062 | goto glob_assign; |
2063 | } | |
ed6116ce | 2064 | break; |
463ee0b2 | 2065 | case SVt_PV: |
fc36a67e | 2066 | case SVt_PVFM: |
8990e307 | 2067 | if (dtype < SVt_PV) |
463ee0b2 | 2068 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
2069 | break; |
2070 | case SVt_PVIV: | |
8990e307 | 2071 | if (dtype < SVt_PVIV) |
463ee0b2 | 2072 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
2073 | break; |
2074 | case SVt_PVNV: | |
8990e307 | 2075 | if (dtype < SVt_PVNV) |
463ee0b2 | 2076 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 2077 | break; |
4633a7c4 LW |
2078 | case SVt_PVAV: |
2079 | case SVt_PVHV: | |
2080 | case SVt_PVCV: | |
4633a7c4 | 2081 | case SVt_PVIO: |
533c011a | 2082 | if (PL_op) |
cea2e8a9 | 2083 | Perl_croak(aTHX_ "Bizarre copy of %s in %s", sv_reftype(sstr, 0), |
22c35a8c | 2084 | PL_op_name[PL_op->op_type]); |
4633a7c4 | 2085 | else |
cea2e8a9 | 2086 | Perl_croak(aTHX_ "Bizarre copy of %s", sv_reftype(sstr, 0)); |
4633a7c4 LW |
2087 | break; |
2088 | ||
79072805 | 2089 | case SVt_PVGV: |
8990e307 | 2090 | if (dtype <= SVt_PVGV) { |
c07a80fd | 2091 | glob_assign: |
a5f75d66 | 2092 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
2093 | char *name = GvNAME(sstr); |
2094 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 2095 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 2096 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 2097 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
2098 | GvNAME(dstr) = savepvn(name, len); |
2099 | GvNAMELEN(dstr) = len; | |
2100 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
2101 | } | |
7bac28a0 | 2102 | /* ahem, death to those who redefine active sort subs */ |
3280af22 NIS |
2103 | else if (PL_curstackinfo->si_type == PERLSI_SORT |
2104 | && GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr))) | |
cea2e8a9 | 2105 | Perl_croak(aTHX_ "Can't redefine active sort subroutine %s", |
7bac28a0 | 2106 | GvNAME(dstr)); |
a0d0e21e | 2107 | (void)SvOK_off(dstr); |
a5f75d66 | 2108 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 2109 | gp_free((GV*)dstr); |
79072805 | 2110 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 2111 | SvTAINT(dstr); |
3280af22 | 2112 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 AD |
2113 | GvIMPORTED_on(dstr); |
2114 | GvMULTI_on(dstr); | |
79072805 LW |
2115 | return; |
2116 | } | |
2117 | /* FALL THROUGH */ | |
2118 | ||
2119 | default: | |
973f89ab CS |
2120 | if (SvGMAGICAL(sstr)) { |
2121 | mg_get(sstr); | |
2122 | if (SvTYPE(sstr) != stype) { | |
2123 | stype = SvTYPE(sstr); | |
2124 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2125 | goto glob_assign; | |
2126 | } | |
2127 | } | |
ded42b9f | 2128 | if (stype == SVt_PVLV) |
6fc92669 | 2129 | (void)SvUPGRADE(dstr, SVt_PVNV); |
ded42b9f | 2130 | else |
6fc92669 | 2131 | (void)SvUPGRADE(dstr, stype); |
79072805 LW |
2132 | } |
2133 | ||
8990e307 LW |
2134 | sflags = SvFLAGS(sstr); |
2135 | ||
2136 | if (sflags & SVf_ROK) { | |
2137 | if (dtype >= SVt_PV) { | |
2138 | if (dtype == SVt_PVGV) { | |
2139 | SV *sref = SvREFCNT_inc(SvRV(sstr)); | |
2140 | SV *dref = 0; | |
a5f75d66 | 2141 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2142 | |
2143 | if (intro) { | |
2144 | GP *gp; | |
2145 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2146 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2147 | Newz(602,gp, 1, GP); |
44a8e56a | 2148 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e | 2149 | GvSV(dstr) = NEWSV(72,0); |
3280af22 | 2150 | GvLINE(dstr) = PL_curcop->cop_line; |
1edc1566 | 2151 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2152 | } |
a5f75d66 | 2153 | GvMULTI_on(dstr); |
8990e307 LW |
2154 | switch (SvTYPE(sref)) { |
2155 | case SVt_PVAV: | |
a0d0e21e LW |
2156 | if (intro) |
2157 | SAVESPTR(GvAV(dstr)); | |
2158 | else | |
2159 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2160 | GvAV(dstr) = (AV*)sref; |
3280af22 | 2161 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2162 | GvIMPORTED_AV_on(dstr); |
8990e307 LW |
2163 | break; |
2164 | case SVt_PVHV: | |
a0d0e21e LW |
2165 | if (intro) |
2166 | SAVESPTR(GvHV(dstr)); | |
2167 | else | |
2168 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2169 | GvHV(dstr) = (HV*)sref; |
3280af22 | 2170 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2171 | GvIMPORTED_HV_on(dstr); |
8990e307 LW |
2172 | break; |
2173 | case SVt_PVCV: | |
8ebc5c01 | 2174 | if (intro) { |
2175 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2176 | SvREFCNT_dec(GvCV(dstr)); | |
2177 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2178 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
3280af22 | 2179 | PL_sub_generation++; |
8ebc5c01 | 2180 | } |
a0d0e21e | 2181 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2182 | } |
68dc0745 | 2183 | else |
2184 | dref = (SV*)GvCV(dstr); | |
2185 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2186 | CV* cv = GvCV(dstr); |
4633a7c4 | 2187 | if (cv) { |
68dc0745 | 2188 | if (!GvCVGEN((GV*)dstr) && |
2189 | (CvROOT(cv) || CvXSUB(cv))) | |
2190 | { | |
fe5e78ed GS |
2191 | SV *const_sv = cv_const_sv(cv); |
2192 | bool const_changed = TRUE; | |
2193 | if(const_sv) | |
2194 | const_changed = sv_cmp(const_sv, | |
2195 | op_const_sv(CvSTART((CV*)sref), | |
2196 | Nullcv)); | |
7bac28a0 | 2197 | /* ahem, death to those who redefine |
2198 | * active sort subs */ | |
3280af22 NIS |
2199 | if (PL_curstackinfo->si_type == PERLSI_SORT && |
2200 | PL_sortcop == CvSTART(cv)) | |
cea2e8a9 | 2201 | Perl_croak(aTHX_ |
7bac28a0 | 2202 | "Can't redefine active sort subroutine %s", |
2203 | GvENAME((GV*)dstr)); | |
599cee73 | 2204 | if (ckWARN(WARN_REDEFINE) || (const_changed && const_sv)) { |
2f34f9d4 IZ |
2205 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) |
2206 | && HvNAME(GvSTASH(CvGV(cv))) | |
2207 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2208 | "autouse"))) | |
cea2e8a9 | 2209 | Perl_warner(aTHX_ WARN_REDEFINE, const_sv ? |
fe5e78ed GS |
2210 | "Constant subroutine %s redefined" |
2211 | : "Subroutine %s redefined", | |
2f34f9d4 IZ |
2212 | GvENAME((GV*)dstr)); |
2213 | } | |
9607fc9c | 2214 | } |
3fe9a6f1 | 2215 | cv_ckproto(cv, (GV*)dstr, |
2216 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2217 | } |
a5f75d66 | 2218 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2219 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2220 | GvASSUMECV_on(dstr); |
3280af22 | 2221 | PL_sub_generation++; |
a5f75d66 | 2222 | } |
3280af22 | 2223 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2224 | GvIMPORTED_CV_on(dstr); |
8990e307 | 2225 | break; |
91bba347 LW |
2226 | case SVt_PVIO: |
2227 | if (intro) | |
2228 | SAVESPTR(GvIOp(dstr)); | |
2229 | else | |
2230 | dref = (SV*)GvIOp(dstr); | |
2231 | GvIOp(dstr) = (IO*)sref; | |
2232 | break; | |
8990e307 | 2233 | default: |
a0d0e21e LW |
2234 | if (intro) |
2235 | SAVESPTR(GvSV(dstr)); | |
2236 | else | |
2237 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2238 | GvSV(dstr) = sref; |
3280af22 | 2239 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2240 | GvIMPORTED_SV_on(dstr); |
8990e307 LW |
2241 | break; |
2242 | } | |
2243 | if (dref) | |
2244 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2245 | if (intro) |
2246 | SAVEFREESV(sref); | |
8990e307 LW |
2247 | SvTAINT(dstr); |
2248 | return; | |
2249 | } | |
a0d0e21e | 2250 | if (SvPVX(dstr)) { |
760ac839 | 2251 | (void)SvOOK_off(dstr); /* backoff */ |
50483b2c JD |
2252 | if (SvLEN(dstr)) |
2253 | Safefree(SvPVX(dstr)); | |
a0d0e21e LW |
2254 | SvLEN(dstr)=SvCUR(dstr)=0; |
2255 | } | |
8990e307 | 2256 | } |
a0d0e21e | 2257 | (void)SvOK_off(dstr); |
8990e307 | 2258 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2259 | SvROK_on(dstr); |
8990e307 | 2260 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2261 | SvNOK_on(dstr); |
2262 | SvNVX(dstr) = SvNVX(sstr); | |
2263 | } | |
8990e307 | 2264 | if (sflags & SVp_IOK) { |
a0d0e21e | 2265 | (void)SvIOK_on(dstr); |
ed6116ce | 2266 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2267 | if (SvIsUV(sstr)) |
2268 | SvIsUV_on(dstr); | |
ed6116ce | 2269 | } |
a0d0e21e LW |
2270 | if (SvAMAGIC(sstr)) { |
2271 | SvAMAGIC_on(dstr); | |
2272 | } | |
ed6116ce | 2273 | } |
8990e307 | 2274 | else if (sflags & SVp_POK) { |
79072805 LW |
2275 | |
2276 | /* | |
2277 | * Check to see if we can just swipe the string. If so, it's a | |
2278 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2279 | * It might even be a win on short strings if SvPVX(dstr) |
2280 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2281 | */ |
2282 | ||
ff68c719 | 2283 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2284 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2285 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2286 | { | |
adbc6bb1 | 2287 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2288 | if (SvOOK(dstr)) { |
2289 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2290 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2291 | } | |
50483b2c | 2292 | else if (SvLEN(dstr)) |
a5f75d66 | 2293 | Safefree(SvPVX(dstr)); |
79072805 | 2294 | } |
a5f75d66 | 2295 | (void)SvPOK_only(dstr); |
463ee0b2 | 2296 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2297 | SvLEN_set(dstr, SvLEN(sstr)); |
2298 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2299 | SvTEMP_off(dstr); |
a5f75d66 | 2300 | (void)SvOK_off(sstr); |
79072805 LW |
2301 | SvPV_set(sstr, Nullch); |
2302 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2303 | SvCUR_set(sstr, 0); |
2304 | SvTEMP_off(sstr); | |
79072805 LW |
2305 | } |
2306 | else { /* have to copy actual string */ | |
8990e307 LW |
2307 | STRLEN len = SvCUR(sstr); |
2308 | ||
2309 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2310 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2311 | SvCUR_set(dstr, len); | |
2312 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2313 | (void)SvPOK_only(dstr); |
79072805 LW |
2314 | } |
2315 | /*SUPPRESS 560*/ | |
8990e307 | 2316 | if (sflags & SVp_NOK) { |
79072805 | 2317 | SvNOK_on(dstr); |
463ee0b2 | 2318 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2319 | } |
8990e307 | 2320 | if (sflags & SVp_IOK) { |
a0d0e21e | 2321 | (void)SvIOK_on(dstr); |
463ee0b2 | 2322 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2323 | if (SvIsUV(sstr)) |
2324 | SvIsUV_on(dstr); | |
79072805 LW |
2325 | } |
2326 | } | |
8990e307 | 2327 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2328 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2329 | (void)SvNOK_only(dstr); |
79072805 | 2330 | if (SvIOK(sstr)) { |
a0d0e21e | 2331 | (void)SvIOK_on(dstr); |
463ee0b2 | 2332 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2333 | /* XXXX Do we want to set IsUV for IV(ROK)? Be extra safe... */ |
2334 | if (SvIsUV(sstr)) | |
2335 | SvIsUV_on(dstr); | |
79072805 LW |
2336 | } |
2337 | } | |
8990e307 | 2338 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2339 | (void)SvIOK_only(dstr); |
463ee0b2 | 2340 | SvIVX(dstr) = SvIVX(sstr); |
25da4f38 IZ |
2341 | if (SvIsUV(sstr)) |
2342 | SvIsUV_on(dstr); | |
79072805 LW |
2343 | } |
2344 | else { | |
20408e3c | 2345 | if (dtype == SVt_PVGV) { |
599cee73 | 2346 | if (ckWARN(WARN_UNSAFE)) |
cea2e8a9 | 2347 | Perl_warner(aTHX_ WARN_UNSAFE, "Undefined value assigned to typeglob"); |
20408e3c GS |
2348 | } |
2349 | else | |
2350 | (void)SvOK_off(dstr); | |
a0d0e21e | 2351 | } |
463ee0b2 | 2352 | SvTAINT(dstr); |
79072805 LW |
2353 | } |
2354 | ||
2355 | void | |
864dbfa3 | 2356 | Perl_sv_setsv_mg(pTHX_ SV *dstr, register SV *sstr) |
ef50df4b GS |
2357 | { |
2358 | sv_setsv(dstr,sstr); | |
2359 | SvSETMAGIC(dstr); | |
2360 | } | |
2361 | ||
2362 | void | |
864dbfa3 | 2363 | Perl_sv_setpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2364 | { |
c6f8c383 | 2365 | register char *dptr; |
4561caa4 CS |
2366 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2367 | elicit a warning, but it won't hurt. */ | |
2213622d | 2368 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2369 | if (!ptr) { |
a0d0e21e | 2370 | (void)SvOK_off(sv); |
463ee0b2 LW |
2371 | return; |
2372 | } | |
6fc92669 | 2373 | (void)SvUPGRADE(sv, SVt_PV); |
c6f8c383 | 2374 | |
79072805 | 2375 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2376 | dptr = SvPVX(sv); |
2377 | Move(ptr,dptr,len,char); | |
2378 | dptr[len] = '\0'; | |
79072805 | 2379 | SvCUR_set(sv, len); |
a0d0e21e | 2380 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2381 | SvTAINT(sv); |
79072805 LW |
2382 | } |
2383 | ||
2384 | void | |
864dbfa3 | 2385 | Perl_sv_setpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
ef50df4b GS |
2386 | { |
2387 | sv_setpvn(sv,ptr,len); | |
2388 | SvSETMAGIC(sv); | |
2389 | } | |
2390 | ||
2391 | void | |
864dbfa3 | 2392 | Perl_sv_setpv(pTHX_ register SV *sv, register const char *ptr) |
79072805 LW |
2393 | { |
2394 | register STRLEN len; | |
2395 | ||
2213622d | 2396 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2397 | if (!ptr) { |
a0d0e21e | 2398 | (void)SvOK_off(sv); |
463ee0b2 LW |
2399 | return; |
2400 | } | |
79072805 | 2401 | len = strlen(ptr); |
6fc92669 | 2402 | (void)SvUPGRADE(sv, SVt_PV); |
c6f8c383 | 2403 | |
79072805 | 2404 | SvGROW(sv, len + 1); |
463ee0b2 | 2405 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2406 | SvCUR_set(sv, len); |
a0d0e21e | 2407 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2408 | SvTAINT(sv); |
2409 | } | |
2410 | ||
2411 | void | |
864dbfa3 | 2412 | Perl_sv_setpv_mg(pTHX_ register SV *sv, register const char *ptr) |
ef50df4b GS |
2413 | { |
2414 | sv_setpv(sv,ptr); | |
2415 | SvSETMAGIC(sv); | |
2416 | } | |
2417 | ||
2418 | void | |
864dbfa3 | 2419 | Perl_sv_usepvn(pTHX_ register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2420 | { |
2213622d | 2421 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2422 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2423 | if (!ptr) { |
a0d0e21e | 2424 | (void)SvOK_off(sv); |
463ee0b2 LW |
2425 | return; |
2426 | } | |
a0ed51b3 | 2427 | (void)SvOOK_off(sv); |
50483b2c | 2428 | if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 LW |
2429 | Safefree(SvPVX(sv)); |
2430 | Renew(ptr, len+1, char); | |
2431 | SvPVX(sv) = ptr; | |
2432 | SvCUR_set(sv, len); | |
2433 | SvLEN_set(sv, len+1); | |
2434 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2435 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2436 | SvTAINT(sv); |
79072805 LW |
2437 | } |
2438 | ||
ef50df4b | 2439 | void |
864dbfa3 | 2440 | Perl_sv_usepvn_mg(pTHX_ register SV *sv, register char *ptr, register STRLEN len) |
ef50df4b | 2441 | { |
51c1089b | 2442 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2443 | SvSETMAGIC(sv); |
2444 | } | |
2445 | ||
6fc92669 | 2446 | void |
864dbfa3 | 2447 | Perl_sv_force_normal(pTHX_ register SV *sv) |
0f15f207 | 2448 | { |
2213622d GA |
2449 | if (SvREADONLY(sv)) { |
2450 | dTHR; | |
3280af22 | 2451 | if (PL_curcop != &PL_compiling) |
cea2e8a9 | 2452 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 2453 | } |
2213622d GA |
2454 | if (SvROK(sv)) |
2455 | sv_unref(sv); | |
6fc92669 GS |
2456 | else if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) |
2457 | sv_unglob(sv); | |
0f15f207 MB |
2458 | } |
2459 | ||
79072805 | 2460 | void |
864dbfa3 | 2461 | Perl_sv_chop(pTHX_ register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
8ac85365 NIS |
2462 | |
2463 | ||
79072805 LW |
2464 | { |
2465 | register STRLEN delta; | |
2466 | ||
a0d0e21e | 2467 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2468 | return; |
2213622d | 2469 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2470 | if (SvTYPE(sv) < SVt_PVIV) |
2471 | sv_upgrade(sv,SVt_PVIV); | |
2472 | ||
2473 | if (!SvOOK(sv)) { | |
50483b2c JD |
2474 | if (!SvLEN(sv)) { /* make copy of shared string */ |
2475 | char *pvx = SvPVX(sv); | |
2476 | STRLEN len = SvCUR(sv); | |
2477 | SvGROW(sv, len + 1); | |
2478 | Move(pvx,SvPVX(sv),len,char); | |
2479 | *SvEND(sv) = '\0'; | |
2480 | } | |
463ee0b2 | 2481 | SvIVX(sv) = 0; |
79072805 LW |
2482 | SvFLAGS(sv) |= SVf_OOK; |
2483 | } | |
25da4f38 | 2484 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK|SVf_IVisUV); |
463ee0b2 | 2485 | delta = ptr - SvPVX(sv); |
79072805 LW |
2486 | SvLEN(sv) -= delta; |
2487 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2488 | SvPVX(sv) += delta; |
2489 | SvIVX(sv) += delta; | |
79072805 LW |
2490 | } |
2491 | ||
2492 | void | |
864dbfa3 | 2493 | Perl_sv_catpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2494 | { |
463ee0b2 | 2495 | STRLEN tlen; |
748a9306 | 2496 | char *junk; |
a0d0e21e | 2497 | |
748a9306 | 2498 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2499 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2500 | if (ptr == junk) |
2501 | ptr = SvPVX(sv); | |
463ee0b2 | 2502 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2503 | SvCUR(sv) += len; |
2504 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2505 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2506 | SvTAINT(sv); |
79072805 LW |
2507 | } |
2508 | ||
2509 | void | |
864dbfa3 | 2510 | Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len) |
ef50df4b GS |
2511 | { |
2512 | sv_catpvn(sv,ptr,len); | |
2513 | SvSETMAGIC(sv); | |
2514 | } | |
2515 | ||
2516 | void | |
864dbfa3 | 2517 | Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr) |
79072805 LW |
2518 | { |
2519 | char *s; | |
463ee0b2 | 2520 | STRLEN len; |
79072805 LW |
2521 | if (!sstr) |
2522 | return; | |
463ee0b2 LW |
2523 | if (s = SvPV(sstr, len)) |
2524 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2525 | } |
2526 | ||
2527 | void | |
864dbfa3 | 2528 | Perl_sv_catsv_mg(pTHX_ SV *dstr, register SV *sstr) |
ef50df4b GS |
2529 | { |
2530 | sv_catsv(dstr,sstr); | |
2531 | SvSETMAGIC(dstr); | |
2532 | } | |
2533 | ||
2534 | void | |
864dbfa3 | 2535 | Perl_sv_catpv(pTHX_ register SV *sv, register const char *ptr) |
79072805 LW |
2536 | { |
2537 | register STRLEN len; | |
463ee0b2 | 2538 | STRLEN tlen; |
748a9306 | 2539 | char *junk; |
79072805 | 2540 | |
79072805 LW |
2541 | if (!ptr) |
2542 | return; | |
748a9306 | 2543 | junk = SvPV_force(sv, tlen); |
79072805 | 2544 | len = strlen(ptr); |
463ee0b2 | 2545 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2546 | if (ptr == junk) |
2547 | ptr = SvPVX(sv); | |
463ee0b2 | 2548 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2549 | SvCUR(sv) += len; |
a0d0e21e | 2550 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2551 | SvTAINT(sv); |
79072805 LW |
2552 | } |
2553 | ||
ef50df4b | 2554 | void |
864dbfa3 | 2555 | Perl_sv_catpv_mg(pTHX_ register SV *sv, register const char *ptr) |
ef50df4b | 2556 | { |
51c1089b | 2557 | sv_catpv(sv,ptr); |
ef50df4b GS |
2558 | SvSETMAGIC(sv); |
2559 | } | |
2560 | ||
79072805 | 2561 | SV * |
864dbfa3 | 2562 | Perl_newSV(pTHX_ STRLEN len) |
79072805 LW |
2563 | { |
2564 | register SV *sv; | |
2565 | ||
4561caa4 | 2566 | new_SV(sv); |
79072805 LW |
2567 | if (len) { |
2568 | sv_upgrade(sv, SVt_PV); | |
2569 | SvGROW(sv, len + 1); | |
2570 | } | |
2571 | return sv; | |
2572 | } | |
2573 | ||
1edc1566 | 2574 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2575 | ||
79072805 | 2576 | void |
864dbfa3 | 2577 | Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen) |
79072805 LW |
2578 | { |
2579 | MAGIC* mg; | |
2580 | ||
0f15f207 MB |
2581 | if (SvREADONLY(sv)) { |
2582 | dTHR; | |
3280af22 | 2583 | if (PL_curcop != &PL_compiling && !strchr("gBf", how)) |
cea2e8a9 | 2584 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 2585 | } |
4633a7c4 | 2586 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2587 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2588 | if (how == 't') | |
565764a8 | 2589 | mg->mg_len |= 1; |
463ee0b2 | 2590 | return; |
748a9306 | 2591 | } |
463ee0b2 LW |
2592 | } |
2593 | else { | |
c6f8c383 | 2594 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2595 | } |
79072805 LW |
2596 | Newz(702,mg, 1, MAGIC); |
2597 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2598 | |
79072805 | 2599 | SvMAGIC(sv) = mg; |
c277df42 | 2600 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2601 | mg->mg_obj = obj; |
85e6fe83 | 2602 | else { |
11343788 | 2603 | dTHR; |
8990e307 | 2604 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2605 | mg->mg_flags |= MGf_REFCOUNTED; |
2606 | } | |
79072805 | 2607 | mg->mg_type = how; |
565764a8 | 2608 | mg->mg_len = namlen; |
1edc1566 | 2609 | if (name) |
2610 | if (namlen >= 0) | |
2611 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2612 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2613 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2614 | ||
79072805 LW |
2615 | switch (how) { |
2616 | case 0: | |
22c35a8c | 2617 | mg->mg_virtual = &PL_vtbl_sv; |
79072805 | 2618 | break; |
a0d0e21e | 2619 | case 'A': |
22c35a8c | 2620 | mg->mg_virtual = &PL_vtbl_amagic; |
a0d0e21e LW |
2621 | break; |
2622 | case 'a': | |
22c35a8c | 2623 | mg->mg_virtual = &PL_vtbl_amagicelem; |
a0d0e21e LW |
2624 | break; |
2625 | case 'c': | |
2626 | mg->mg_virtual = 0; | |
2627 | break; | |
79072805 | 2628 | case 'B': |
22c35a8c | 2629 | mg->mg_virtual = &PL_vtbl_bm; |
79072805 | 2630 | break; |
6cef1e77 | 2631 | case 'D': |
22c35a8c | 2632 | mg->mg_virtual = &PL_vtbl_regdata; |
6cef1e77 IZ |
2633 | break; |
2634 | case 'd': | |
22c35a8c | 2635 | mg->mg_virtual = &PL_vtbl_regdatum; |
6cef1e77 | 2636 | break; |
79072805 | 2637 | case 'E': |
22c35a8c | 2638 | mg->mg_virtual = &PL_vtbl_env; |
79072805 | 2639 | break; |
55497cff | 2640 | case 'f': |
22c35a8c | 2641 | mg->mg_virtual = &PL_vtbl_fm; |
55497cff | 2642 | break; |
79072805 | 2643 | case 'e': |
22c35a8c | 2644 | mg->mg_virtual = &PL_vtbl_envelem; |
79072805 | 2645 | break; |
93a17b20 | 2646 | case 'g': |
22c35a8c | 2647 | mg->mg_virtual = &PL_vtbl_mglob; |
93a17b20 | 2648 | break; |
463ee0b2 | 2649 | case 'I': |
22c35a8c | 2650 | mg->mg_virtual = &PL_vtbl_isa; |
463ee0b2 LW |
2651 | break; |
2652 | case 'i': | |
22c35a8c | 2653 | mg->mg_virtual = &PL_vtbl_isaelem; |
463ee0b2 | 2654 | break; |
16660edb | 2655 | case 'k': |
22c35a8c | 2656 | mg->mg_virtual = &PL_vtbl_nkeys; |
16660edb | 2657 | break; |
79072805 | 2658 | case 'L': |
a0d0e21e | 2659 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2660 | mg->mg_virtual = 0; |
2661 | break; | |
2662 | case 'l': | |
22c35a8c | 2663 | mg->mg_virtual = &PL_vtbl_dbline; |
79072805 | 2664 | break; |
f93b4edd MB |
2665 | #ifdef USE_THREADS |
2666 | case 'm': | |
22c35a8c | 2667 | mg->mg_virtual = &PL_vtbl_mutex; |
f93b4edd MB |
2668 | break; |
2669 | #endif /* USE_THREADS */ | |
36477c24 | 2670 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2671 | case 'o': |
22c35a8c | 2672 | mg->mg_virtual = &PL_vtbl_collxfrm; |
bbce6d69 | 2673 | break; |
36477c24 | 2674 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 | 2675 | case 'P': |
22c35a8c | 2676 | mg->mg_virtual = &PL_vtbl_pack; |
463ee0b2 LW |
2677 | break; |
2678 | case 'p': | |
a0d0e21e | 2679 | case 'q': |
22c35a8c | 2680 | mg->mg_virtual = &PL_vtbl_packelem; |
463ee0b2 | 2681 | break; |
c277df42 | 2682 | case 'r': |
22c35a8c | 2683 | mg->mg_virtual = &PL_vtbl_regexp; |
c277df42 | 2684 | break; |
79072805 | 2685 | case 'S': |
22c35a8c | 2686 | mg->mg_virtual = &PL_vtbl_sig; |
79072805 LW |
2687 | break; |
2688 | case 's': | |
22c35a8c | 2689 | mg->mg_virtual = &PL_vtbl_sigelem; |
79072805 | 2690 | break; |
463ee0b2 | 2691 | case 't': |
22c35a8c | 2692 | mg->mg_virtual = &PL_vtbl_taint; |
565764a8 | 2693 | mg->mg_len = 1; |
463ee0b2 | 2694 | break; |
79072805 | 2695 | case 'U': |
22c35a8c | 2696 | mg->mg_virtual = &PL_vtbl_uvar; |
79072805 LW |
2697 | break; |
2698 | case 'v': | |
22c35a8c | 2699 | mg->mg_virtual = &PL_vtbl_vec; |
79072805 LW |
2700 | break; |
2701 | case 'x': | |
22c35a8c | 2702 | mg->mg_virtual = &PL_vtbl_substr; |
79072805 | 2703 | break; |
5f05dabc | 2704 | case 'y': |
22c35a8c | 2705 | mg->mg_virtual = &PL_vtbl_defelem; |
5f05dabc | 2706 | break; |
79072805 | 2707 | case '*': |
22c35a8c | 2708 | mg->mg_virtual = &PL_vtbl_glob; |
79072805 LW |
2709 | break; |
2710 | case '#': | |
22c35a8c | 2711 | mg->mg_virtual = &PL_vtbl_arylen; |
79072805 | 2712 | break; |
a0d0e21e | 2713 | case '.': |
22c35a8c | 2714 | mg->mg_virtual = &PL_vtbl_pos; |
a0d0e21e | 2715 | break; |
810b8aa5 GS |
2716 | case '<': |
2717 | mg->mg_virtual = &PL_vtbl_backref; | |
2718 | break; | |
4633a7c4 LW |
2719 | case '~': /* Reserved for use by extensions not perl internals. */ |
2720 | /* Useful for attaching extension internal data to perl vars. */ | |
2721 | /* Note that multiple extensions may clash if magical scalars */ | |
2722 | /* etc holding private data from one are passed to another. */ | |
2723 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2724 | break; |
79072805 | 2725 | default: |
cea2e8a9 | 2726 | Perl_croak(aTHX_ "Don't know how to handle magic of type '%c'", how); |
463ee0b2 | 2727 | } |
8990e307 LW |
2728 | mg_magical(sv); |
2729 | if (SvGMAGICAL(sv)) | |
2730 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2731 | } |
2732 | ||
2733 | int | |
864dbfa3 | 2734 | Perl_sv_unmagic(pTHX_ SV *sv, int type) |
463ee0b2 LW |
2735 | { |
2736 | MAGIC* mg; | |
2737 | MAGIC** mgp; | |
91bba347 | 2738 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2739 | return 0; |
2740 | mgp = &SvMAGIC(sv); | |
2741 | for (mg = *mgp; mg; mg = *mgp) { | |
2742 | if (mg->mg_type == type) { | |
2743 | MGVTBL* vtbl = mg->mg_virtual; | |
2744 | *mgp = mg->mg_moremagic; | |
76e3520e | 2745 | if (vtbl && (vtbl->svt_free != NULL)) |
cea2e8a9 | 2746 | (VTBL->svt_free)(aTHX_ sv, mg); |
463ee0b2 | 2747 | if (mg->mg_ptr && mg->mg_type != 'g') |
565764a8 | 2748 | if (mg->mg_len >= 0) |
1edc1566 | 2749 | Safefree(mg->mg_ptr); |
565764a8 | 2750 | else if (mg->mg_len == HEf_SVKEY) |
1edc1566 | 2751 | SvREFCNT_dec((SV*)mg->mg_ptr); |
a0d0e21e LW |
2752 | if (mg->mg_flags & MGf_REFCOUNTED) |
2753 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2754 | Safefree(mg); |
2755 | } | |
2756 | else | |
2757 | mgp = &mg->mg_moremagic; | |
79072805 | 2758 | } |
91bba347 | 2759 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2760 | SvMAGICAL_off(sv); |
8990e307 | 2761 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2762 | } |
2763 | ||
2764 | return 0; | |
79072805 LW |
2765 | } |
2766 | ||
810b8aa5 | 2767 | SV * |
864dbfa3 | 2768 | Perl_sv_rvweaken(pTHX_ SV *sv) |
810b8aa5 GS |
2769 | { |
2770 | SV *tsv; | |
2771 | if (!SvOK(sv)) /* let undefs pass */ | |
2772 | return sv; | |
2773 | if (!SvROK(sv)) | |
cea2e8a9 | 2774 | Perl_croak(aTHX_ "Can't weaken a nonreference"); |
810b8aa5 GS |
2775 | else if (SvWEAKREF(sv)) { |
2776 | dTHR; | |
2777 | if (ckWARN(WARN_MISC)) | |
cea2e8a9 | 2778 | Perl_warner(aTHX_ WARN_MISC, "Reference is already weak"); |
810b8aa5 GS |
2779 | return sv; |
2780 | } | |
2781 | tsv = SvRV(sv); | |
2782 | sv_add_backref(tsv, sv); | |
2783 | SvWEAKREF_on(sv); | |
2784 | SvREFCNT_dec(tsv); | |
2785 | return sv; | |
2786 | } | |
2787 | ||
2788 | STATIC void | |
cea2e8a9 | 2789 | S_sv_add_backref(pTHX_ SV *tsv, SV *sv) |
810b8aa5 GS |
2790 | { |
2791 | AV *av; | |
2792 | MAGIC *mg; | |
2793 | if (SvMAGICAL(tsv) && (mg = mg_find(tsv, '<'))) | |
2794 | av = (AV*)mg->mg_obj; | |
2795 | else { | |
2796 | av = newAV(); | |
2797 | sv_magic(tsv, (SV*)av, '<', NULL, 0); | |
2798 | SvREFCNT_dec(av); /* for sv_magic */ | |
2799 | } | |
2800 | av_push(av,sv); | |
2801 | } | |
2802 | ||
2803 | STATIC void | |
cea2e8a9 | 2804 | S_sv_del_backref(pTHX_ SV *sv) |
810b8aa5 GS |
2805 | { |
2806 | AV *av; | |
2807 | SV **svp; | |
2808 | I32 i; | |
2809 | SV *tsv = SvRV(sv); | |
2810 | MAGIC *mg; | |
2811 | if (!SvMAGICAL(tsv) || !(mg = mg_find(tsv, '<'))) | |
cea2e8a9 | 2812 | Perl_croak(aTHX_ "panic: del_backref"); |
810b8aa5 GS |
2813 | av = (AV *)mg->mg_obj; |
2814 | svp = AvARRAY(av); | |
2815 | i = AvFILLp(av); | |
2816 | while (i >= 0) { | |
2817 | if (svp[i] == sv) { | |
2818 | svp[i] = &PL_sv_undef; /* XXX */ | |
2819 | } | |
2820 | i--; | |
2821 | } | |
2822 | } | |
2823 | ||
79072805 | 2824 | void |
864dbfa3 | 2825 | Perl_sv_insert(pTHX_ SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2826 | { |
2827 | register char *big; | |
2828 | register char *mid; | |
2829 | register char *midend; | |
2830 | register char *bigend; | |
2831 | register I32 i; | |
6ff81951 GS |
2832 | STRLEN curlen; |
2833 | ||
79072805 | 2834 | |
8990e307 | 2835 | if (!bigstr) |
cea2e8a9 | 2836 | Perl_croak(aTHX_ "Can't modify non-existent substring"); |
6ff81951 GS |
2837 | SvPV_force(bigstr, curlen); |
2838 | if (offset + len > curlen) { | |
2839 | SvGROW(bigstr, offset+len+1); | |
2840 | Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char); | |
2841 | SvCUR_set(bigstr, offset+len); | |
2842 | } | |
79072805 LW |
2843 | |
2844 | i = littlelen - len; | |
2845 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2846 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2847 | mid = big + offset + len; |
2848 | midend = bigend = big + SvCUR(bigstr); | |
2849 | bigend += i; | |
2850 | *bigend = '\0'; | |
2851 | while (midend > mid) /* shove everything down */ | |
2852 | *--bigend = *--midend; | |
2853 | Move(little,big+offset,littlelen,char); | |
2854 | SvCUR(bigstr) += i; | |
2855 | SvSETMAGIC(bigstr); | |
2856 | return; | |
2857 | } | |
2858 | else if (i == 0) { | |
463ee0b2 | 2859 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2860 | SvSETMAGIC(bigstr); |
2861 | return; | |
2862 | } | |
2863 | ||
463ee0b2 | 2864 | big = SvPVX(bigstr); |
79072805 LW |
2865 | mid = big + offset; |
2866 | midend = mid + len; | |
2867 | bigend = big + SvCUR(bigstr); | |
2868 | ||
2869 | if (midend > bigend) | |
cea2e8a9 | 2870 | Perl_croak(aTHX_ "panic: sv_insert"); |
79072805 LW |
2871 | |
2872 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2873 | if (littlelen) { | |
2874 | Move(little, mid, littlelen,char); | |
2875 | mid += littlelen; | |
2876 | } | |
2877 | i = bigend - midend; | |
2878 | if (i > 0) { | |
2879 | Move(midend, mid, i,char); | |
2880 | mid += i; | |
2881 | } | |
2882 | *mid = '\0'; | |
2883 | SvCUR_set(bigstr, mid - big); | |
2884 | } | |
2885 | /*SUPPRESS 560*/ | |
2886 | else if (i = mid - big) { /* faster from front */ | |
2887 | midend -= littlelen; | |
2888 | mid = midend; | |
2889 | sv_chop(bigstr,midend-i); | |
2890 | big += i; | |
2891 | while (i--) | |
2892 | *--midend = *--big; | |
2893 | if (littlelen) | |
2894 | Move(little, mid, littlelen,char); | |
2895 | } | |
2896 | else if (littlelen) { | |
2897 | midend -= littlelen; | |
2898 | sv_chop(bigstr,midend); | |
2899 | Move(little,midend,littlelen,char); | |
2900 | } | |
2901 | else { | |
2902 | sv_chop(bigstr,midend); | |
2903 | } | |
2904 | SvSETMAGIC(bigstr); | |
2905 | } | |
2906 | ||
2907 | /* make sv point to what nstr did */ | |
2908 | ||
2909 | void | |
864dbfa3 | 2910 | Perl_sv_replace(pTHX_ register SV *sv, register SV *nsv) |
79072805 | 2911 | { |
0453d815 | 2912 | dTHR; |
79072805 | 2913 | U32 refcnt = SvREFCNT(sv); |
2213622d | 2914 | SV_CHECK_THINKFIRST(sv); |
0453d815 PM |
2915 | if (SvREFCNT(nsv) != 1 && ckWARN_d(WARN_INTERNAL)) |
2916 | Perl_warner(aTHX_ WARN_INTERNAL, "Reference miscount in sv_replace()"); | |
93a17b20 | 2917 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2918 | if (SvMAGICAL(nsv)) |
2919 | mg_free(nsv); | |
2920 | else | |
2921 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2922 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2923 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2924 | SvMAGICAL_off(sv); |
2925 | SvMAGIC(sv) = 0; | |
2926 | } | |
79072805 LW |
2927 | SvREFCNT(sv) = 0; |
2928 | sv_clear(sv); | |
477f5d66 | 2929 | assert(!SvREFCNT(sv)); |
79072805 LW |
2930 | StructCopy(nsv,sv,SV); |
2931 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2932 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2933 | del_SV(nsv); |
79072805 LW |
2934 | } |
2935 | ||
2936 | void | |
864dbfa3 | 2937 | Perl_sv_clear(pTHX_ register SV *sv) |
79072805 | 2938 | { |
ec12f114 | 2939 | HV* stash; |
79072805 LW |
2940 | assert(sv); |
2941 | assert(SvREFCNT(sv) == 0); | |
2942 | ||
ed6116ce | 2943 | if (SvOBJECT(sv)) { |
e858de61 | 2944 | dTHR; |
3280af22 | 2945 | if (PL_defstash) { /* Still have a symbol table? */ |
4e35701f | 2946 | djSP; |
8ebc5c01 | 2947 | GV* destructor; |
837485b6 | 2948 | SV tmpref; |
a0d0e21e | 2949 | |
837485b6 GS |
2950 | Zero(&tmpref, 1, SV); |
2951 | sv_upgrade(&tmpref, SVt_RV); | |
2952 | SvROK_on(&tmpref); | |
2953 | SvREADONLY_on(&tmpref); /* DESTROY() could be naughty */ | |
2954 | SvREFCNT(&tmpref) = 1; | |
8ebc5c01 | 2955 | |
4e8e7886 GS |
2956 | do { |
2957 | stash = SvSTASH(sv); | |
2958 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2959 | if (destructor) { | |
2960 | ENTER; | |
e788e7d3 | 2961 | PUSHSTACKi(PERLSI_DESTROY); |
837485b6 | 2962 | SvRV(&tmpref) = SvREFCNT_inc(sv); |
4e8e7886 GS |
2963 | EXTEND(SP, 2); |
2964 | PUSHMARK(SP); | |
837485b6 | 2965 | PUSHs(&tmpref); |
4e8e7886 | 2966 | PUTBACK; |
864dbfa3 GS |
2967 | call_sv((SV*)GvCV(destructor), |
2968 | G_DISCARD|G_EVAL|G_KEEPERR); | |
4e8e7886 | 2969 | SvREFCNT(sv)--; |
d3acc0f7 | 2970 | POPSTACK; |
3095d977 | 2971 | SPAGAIN; |
4e8e7886 GS |
2972 | LEAVE; |
2973 | } | |
2974 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2975 | |
837485b6 | 2976 | del_XRV(SvANY(&tmpref)); |
6f44e0a4 JP |
2977 | |
2978 | if (SvREFCNT(sv)) { | |
2979 | if (PL_in_clean_objs) | |
cea2e8a9 | 2980 | Perl_croak(aTHX_ "DESTROY created new reference to dead object '%s'", |
6f44e0a4 JP |
2981 | HvNAME(stash)); |
2982 | /* DESTROY gave object new lease on life */ | |
2983 | return; | |
2984 | } | |
a0d0e21e | 2985 | } |
4e8e7886 | 2986 | |
a0d0e21e | 2987 | if (SvOBJECT(sv)) { |
4e8e7886 | 2988 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2989 | SvOBJECT_off(sv); /* Curse the object. */ |
2990 | if (SvTYPE(sv) != SVt_PVIO) | |
3280af22 | 2991 | --PL_sv_objcount; /* XXX Might want something more general */ |
a0d0e21e | 2992 | } |
463ee0b2 | 2993 | } |
c07a80fd | 2994 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2995 | mg_free(sv); |
ec12f114 | 2996 | stash = NULL; |
79072805 | 2997 | switch (SvTYPE(sv)) { |
8990e307 | 2998 | case SVt_PVIO: |
df0bd2f4 GS |
2999 | if (IoIFP(sv) && |
3000 | IoIFP(sv) != PerlIO_stdin() && | |
5f05dabc | 3001 | IoIFP(sv) != PerlIO_stdout() && |
3002 | IoIFP(sv) != PerlIO_stderr()) | |
93578b34 | 3003 | { |
f2b5be74 | 3004 | io_close((IO*)sv, FALSE); |
93578b34 | 3005 | } |
1236053a GS |
3006 | if (IoDIRP(sv)) { |
3007 | PerlDir_close(IoDIRP(sv)); | |
3008 | IoDIRP(sv) = 0; | |
93578b34 | 3009 | } |
8990e307 LW |
3010 | Safefree(IoTOP_NAME(sv)); |
3011 | Safefree(IoFMT_NAME(sv)); | |
3012 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 3013 | /* FALL THROUGH */ |
79072805 | 3014 | case SVt_PVBM: |
a0d0e21e | 3015 | goto freescalar; |
79072805 | 3016 | case SVt_PVCV: |
748a9306 | 3017 | case SVt_PVFM: |
85e6fe83 | 3018 | cv_undef((CV*)sv); |
a0d0e21e | 3019 | goto freescalar; |
79072805 | 3020 | case SVt_PVHV: |
85e6fe83 | 3021 | hv_undef((HV*)sv); |
a0d0e21e | 3022 | break; |
79072805 | 3023 | case SVt_PVAV: |
85e6fe83 | 3024 | av_undef((AV*)sv); |
a0d0e21e | 3025 | break; |
02270b4e GS |
3026 | case SVt_PVLV: |
3027 | SvREFCNT_dec(LvTARG(sv)); | |
3028 | goto freescalar; | |
a0d0e21e | 3029 | case SVt_PVGV: |
1edc1566 | 3030 | gp_free((GV*)sv); |
a0d0e21e | 3031 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
3032 | /* cannot decrease stash refcount yet, as we might recursively delete |
3033 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
3034 | of stash until current sv is completely gone. | |
3035 | -- JohnPC, 27 Mar 1998 */ | |
3036 | stash = GvSTASH(sv); | |
a0d0e21e | 3037 | /* FALL THROUGH */ |
79072805 | 3038 | case SVt_PVMG: |
79072805 LW |
3039 | case SVt_PVNV: |
3040 | case SVt_PVIV: | |
a0d0e21e LW |
3041 | freescalar: |
3042 | (void)SvOOK_off(sv); | |
79072805 LW |
3043 | /* FALL THROUGH */ |
3044 | case SVt_PV: | |
a0d0e21e | 3045 | case SVt_RV: |
810b8aa5 GS |
3046 | if (SvROK(sv)) { |
3047 | if (SvWEAKREF(sv)) | |
3048 | sv_del_backref(sv); | |
3049 | else | |
3050 | SvREFCNT_dec(SvRV(sv)); | |
3051 | } | |
1edc1566 | 3052 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 3053 | Safefree(SvPVX(sv)); |
79072805 | 3054 | break; |
a0d0e21e | 3055 | /* |
79072805 | 3056 | case SVt_NV: |
79072805 | 3057 | case SVt_IV: |
79072805 LW |
3058 | case SVt_NULL: |
3059 | break; | |
a0d0e21e | 3060 | */ |
79072805 LW |
3061 | } |
3062 | ||
3063 | switch (SvTYPE(sv)) { | |
3064 | case SVt_NULL: | |
3065 | break; | |
79072805 LW |
3066 | case SVt_IV: |
3067 | del_XIV(SvANY(sv)); | |
3068 | break; | |
3069 | case SVt_NV: | |
3070 | del_XNV(SvANY(sv)); | |
3071 | break; | |
ed6116ce LW |
3072 | case SVt_RV: |
3073 | del_XRV(SvANY(sv)); | |
3074 | break; | |
79072805 LW |
3075 | case SVt_PV: |
3076 | del_XPV(SvANY(sv)); | |
3077 | break; | |
3078 | case SVt_PVIV: | |
3079 | del_XPVIV(SvANY(sv)); | |
3080 | break; | |
3081 | case SVt_PVNV: | |
3082 | del_XPVNV(SvANY(sv)); | |
3083 | break; | |
3084 | case SVt_PVMG: | |
3085 | del_XPVMG(SvANY(sv)); | |
3086 | break; | |
3087 | case SVt_PVLV: | |
3088 | del_XPVLV(SvANY(sv)); | |
3089 | break; | |
3090 | case SVt_PVAV: | |
3091 | del_XPVAV(SvANY(sv)); | |
3092 | break; | |
3093 | case SVt_PVHV: | |
3094 | del_XPVHV(SvANY(sv)); | |
3095 | break; | |
3096 | case SVt_PVCV: | |
3097 | del_XPVCV(SvANY(sv)); | |
3098 | break; | |
3099 | case SVt_PVGV: | |
3100 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
3101 | /* code duplication for increased performance. */ |
3102 | SvFLAGS(sv) &= SVf_BREAK; | |
3103 | SvFLAGS(sv) |= SVTYPEMASK; | |
3104 | /* decrease refcount of the stash that owns this GV, if any */ | |
3105 | if (stash) | |
3106 | SvREFCNT_dec(stash); | |
3107 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
3108 | case SVt_PVBM: |
3109 | del_XPVBM(SvANY(sv)); | |
3110 | break; | |
3111 | case SVt_PVFM: | |
3112 | del_XPVFM(SvANY(sv)); | |
3113 | break; | |
8990e307 LW |
3114 | case SVt_PVIO: |
3115 | del_XPVIO(SvANY(sv)); | |
3116 | break; | |
79072805 | 3117 | } |
a0d0e21e | 3118 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 3119 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
3120 | } |
3121 | ||
3122 | SV * | |
864dbfa3 | 3123 | Perl_sv_newref(pTHX_ SV *sv) |
79072805 | 3124 | { |
463ee0b2 | 3125 | if (sv) |
dce16143 | 3126 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
3127 | return sv; |
3128 | } | |
3129 | ||
3130 | void | |
864dbfa3 | 3131 | Perl_sv_free(pTHX_ SV *sv) |
79072805 | 3132 | { |
0453d815 | 3133 | dTHR; |
dce16143 MB |
3134 | int refcount_is_zero; |
3135 | ||
79072805 LW |
3136 | if (!sv) |
3137 | return; | |
a0d0e21e LW |
3138 | if (SvREFCNT(sv) == 0) { |
3139 | if (SvFLAGS(sv) & SVf_BREAK) | |
3140 | return; | |
3280af22 | 3141 | if (PL_in_clean_all) /* All is fair */ |
1edc1566 | 3142 | return; |
d689ffdd JP |
3143 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3144 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3145 | SvREFCNT(sv) = (~(U32)0)/2; | |
3146 | return; | |
3147 | } | |
0453d815 PM |
3148 | if (ckWARN_d(WARN_INTERNAL)) |
3149 | Perl_warner(aTHX_ WARN_INTERNAL, "Attempt to free unreferenced scalar"); | |
79072805 LW |
3150 | return; |
3151 | } | |
dce16143 MB |
3152 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
3153 | if (!refcount_is_zero) | |
8990e307 | 3154 | return; |
463ee0b2 LW |
3155 | #ifdef DEBUGGING |
3156 | if (SvTEMP(sv)) { | |
0453d815 | 3157 | if (ckWARN_d(WARN_DEBUGGING)) |
f248d071 GS |
3158 | Perl_warner(aTHX_ WARN_DEBUGGING, |
3159 | "Attempt to free temp prematurely: SV 0x%lx", (unsigned long)sv); | |
79072805 | 3160 | return; |
79072805 | 3161 | } |
463ee0b2 | 3162 | #endif |
d689ffdd JP |
3163 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3164 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3165 | SvREFCNT(sv) = (~(U32)0)/2; | |
3166 | return; | |
3167 | } | |
79072805 | 3168 | sv_clear(sv); |
477f5d66 CS |
3169 | if (! SvREFCNT(sv)) |
3170 | del_SV(sv); | |
79072805 LW |
3171 | } |
3172 | ||
3173 | STRLEN | |
864dbfa3 | 3174 | Perl_sv_len(pTHX_ register SV *sv) |
79072805 | 3175 | { |
748a9306 | 3176 | char *junk; |
463ee0b2 | 3177 | STRLEN len; |
79072805 LW |
3178 | |
3179 | if (!sv) | |
3180 | return 0; | |
3181 | ||
8990e307 | 3182 | if (SvGMAGICAL(sv)) |
565764a8 | 3183 | len = mg_length(sv); |
8990e307 | 3184 | else |
748a9306 | 3185 | junk = SvPV(sv, len); |
463ee0b2 | 3186 | return len; |
79072805 LW |
3187 | } |
3188 | ||
a0ed51b3 | 3189 | STRLEN |
864dbfa3 | 3190 | Perl_sv_len_utf8(pTHX_ register SV *sv) |
a0ed51b3 | 3191 | { |
dfe13c55 GS |
3192 | U8 *s; |
3193 | U8 *send; | |
a0ed51b3 LW |
3194 | STRLEN len; |
3195 | ||
3196 | if (!sv) | |
3197 | return 0; | |
3198 | ||
3199 | #ifdef NOTYET | |
3200 | if (SvGMAGICAL(sv)) | |
3201 | len = mg_length(sv); | |
3202 | else | |
3203 | #endif | |
dfe13c55 | 3204 | s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3205 | send = s + len; |
3206 | len = 0; | |
3207 | while (s < send) { | |
3208 | s += UTF8SKIP(s); | |
3209 | len++; | |
3210 | } | |
3211 | return len; | |
3212 | } | |
3213 | ||
3214 | void | |
864dbfa3 | 3215 | Perl_sv_pos_u2b(pTHX_ register SV *sv, I32* offsetp, I32* lenp) |
a0ed51b3 | 3216 | { |
dfe13c55 GS |
3217 | U8 *start; |
3218 | U8 *s; | |
3219 | U8 *send; | |
a0ed51b3 LW |
3220 | I32 uoffset = *offsetp; |
3221 | STRLEN len; | |
3222 | ||
3223 | if (!sv) | |
3224 | return; | |
3225 | ||
dfe13c55 | 3226 | start = s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3227 | send = s + len; |
3228 | while (s < send && uoffset--) | |
3229 | s += UTF8SKIP(s); | |
bb40f870 GA |
3230 | if (s >= send) |
3231 | s = send; | |
a0ed51b3 LW |
3232 | *offsetp = s - start; |
3233 | if (lenp) { | |
3234 | I32 ulen = *lenp; | |
3235 | start = s; | |
3236 | while (s < send && ulen--) | |
3237 | s += UTF8SKIP(s); | |
bb40f870 GA |
3238 | if (s >= send) |
3239 | s = send; | |
a0ed51b3 LW |
3240 | *lenp = s - start; |
3241 | } | |
3242 | return; | |
3243 | } | |
3244 | ||
3245 | void | |
864dbfa3 | 3246 | Perl_sv_pos_b2u(pTHX_ register SV *sv, I32* offsetp) |
a0ed51b3 | 3247 | { |
dfe13c55 GS |
3248 | U8 *s; |
3249 | U8 *send; | |
a0ed51b3 LW |
3250 | STRLEN len; |
3251 | ||
3252 | if (!sv) | |
3253 | return; | |
3254 | ||
dfe13c55 | 3255 | s = (U8*)SvPV(sv, len); |
a0ed51b3 | 3256 | if (len < *offsetp) |
cea2e8a9 | 3257 | Perl_croak(aTHX_ "panic: bad byte offset"); |
a0ed51b3 LW |
3258 | send = s + *offsetp; |
3259 | len = 0; | |
3260 | while (s < send) { | |
3261 | s += UTF8SKIP(s); | |
3262 | ++len; | |
3263 | } | |
3264 | if (s != send) { | |
0453d815 PM |
3265 | dTHR; |
3266 | if (ckWARN_d(WARN_UTF8)) | |
3267 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); | |
a0ed51b3 LW |
3268 | --len; |
3269 | } | |
3270 | *offsetp = len; | |
3271 | return; | |
3272 | } | |
3273 | ||
79072805 | 3274 | I32 |
864dbfa3 | 3275 | Perl_sv_eq(pTHX_ register SV *str1, register SV *str2) |
79072805 LW |
3276 | { |
3277 | char *pv1; | |
463ee0b2 | 3278 | STRLEN cur1; |
79072805 | 3279 | char *pv2; |
463ee0b2 | 3280 | STRLEN cur2; |
79072805 LW |
3281 | |
3282 | if (!str1) { | |
3283 | pv1 = ""; | |
3284 | cur1 = 0; | |
3285 | } | |
463ee0b2 LW |
3286 | else |
3287 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
3288 | |
3289 | if (!str2) | |
3290 | return !cur1; | |
463ee0b2 LW |
3291 | else |
3292 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
3293 | |
3294 | if (cur1 != cur2) | |
3295 | return 0; | |
3296 | ||
36477c24 | 3297 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
3298 | } |
3299 | ||
3300 | I32 | |
864dbfa3 | 3301 | Perl_sv_cmp(pTHX_ register SV *str1, register SV *str2) |
79072805 | 3302 | { |
bbce6d69 | 3303 | STRLEN cur1 = 0; |
8ac85365 | 3304 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 3305 | STRLEN cur2 = 0; |
8ac85365 | 3306 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 3307 | I32 retval; |
79072805 | 3308 | |
bbce6d69 | 3309 | if (!cur1) |
3310 | return cur2 ? -1 : 0; | |
16660edb | 3311 | |
bbce6d69 | 3312 | if (!cur2) |
3313 | return 1; | |
79072805 | 3314 | |
bbce6d69 | 3315 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 3316 | |
bbce6d69 | 3317 | if (retval) |
3318 | return retval < 0 ? -1 : 1; | |
16660edb | 3319 | |
bbce6d69 | 3320 | if (cur1 == cur2) |
3321 | return 0; | |
3322 | else | |
3323 | return cur1 < cur2 ? -1 : 1; | |
3324 | } | |
16660edb | 3325 | |
bbce6d69 | 3326 | I32 |
864dbfa3 | 3327 | Perl_sv_cmp_locale(pTHX_ register SV *sv1, register SV *sv2) |
bbce6d69 | 3328 | { |
36477c24 | 3329 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3330 | |
bbce6d69 | 3331 | char *pv1, *pv2; |
3332 | STRLEN len1, len2; | |
3333 | I32 retval; | |
16660edb | 3334 | |
3280af22 | 3335 | if (PL_collation_standard) |
bbce6d69 | 3336 | goto raw_compare; |
16660edb | 3337 | |
bbce6d69 | 3338 | len1 = 0; |
8ac85365 | 3339 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3340 | len2 = 0; |
8ac85365 | 3341 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3342 | |
bbce6d69 | 3343 | if (!pv1 || !len1) { |
3344 | if (pv2 && len2) | |
3345 | return -1; | |
3346 | else | |
3347 | goto raw_compare; | |
3348 | } | |
3349 | else { | |
3350 | if (!pv2 || !len2) | |
3351 | return 1; | |
3352 | } | |
16660edb | 3353 | |
bbce6d69 | 3354 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3355 | |
bbce6d69 | 3356 | if (retval) |
16660edb | 3357 | return retval < 0 ? -1 : 1; |
3358 | ||
bbce6d69 | 3359 | /* |
3360 | * When the result of collation is equality, that doesn't mean | |
3361 | * that there are no differences -- some locales exclude some | |
3362 | * characters from consideration. So to avoid false equalities, | |
3363 | * we use the raw string as a tiebreaker. | |
3364 | */ | |
16660edb | 3365 | |
bbce6d69 | 3366 | raw_compare: |
3367 | /* FALL THROUGH */ | |
16660edb | 3368 | |
36477c24 | 3369 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3370 | |
bbce6d69 | 3371 | return sv_cmp(sv1, sv2); |
3372 | } | |
79072805 | 3373 | |
36477c24 | 3374 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3375 | /* |
3376 | * Any scalar variable may carry an 'o' magic that contains the | |
3377 | * scalar data of the variable transformed to such a format that | |
3378 | * a normal memory comparison can be used to compare the data | |
3379 | * according to the locale settings. | |
3380 | */ | |
bbce6d69 | 3381 | char * |
864dbfa3 | 3382 | Perl_sv_collxfrm(pTHX_ SV *sv, STRLEN *nxp) |
bbce6d69 | 3383 | { |
7a4c00b4 | 3384 | MAGIC *mg; |
16660edb | 3385 | |
8ac85365 | 3386 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
3280af22 | 3387 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != PL_collation_ix) { |
bbce6d69 | 3388 | char *s, *xf; |
3389 | STRLEN len, xlen; | |
3390 | ||
7a4c00b4 | 3391 | if (mg) |
3392 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3393 | s = SvPV(sv, len); |
3394 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3395 | if (SvREADONLY(sv)) { |
3396 | SAVEFREEPV(xf); | |
3397 | *nxp = xlen; | |
3280af22 | 3398 | return xf + sizeof(PL_collation_ix); |
ff0cee69 | 3399 | } |
7a4c00b4 | 3400 | if (! mg) { |
3401 | sv_magic(sv, 0, 'o', 0, 0); | |
3402 | mg = mg_find(sv, 'o'); | |
3403 | assert(mg); | |
bbce6d69 | 3404 | } |
7a4c00b4 | 3405 | mg->mg_ptr = xf; |
565764a8 | 3406 | mg->mg_len = xlen; |
7a4c00b4 | 3407 | } |
3408 | else { | |
ff0cee69 | 3409 | if (mg) { |
3410 | mg->mg_ptr = NULL; | |
565764a8 | 3411 | mg->mg_len = -1; |
ff0cee69 | 3412 | } |
bbce6d69 | 3413 | } |
3414 | } | |
7a4c00b4 | 3415 | if (mg && mg->mg_ptr) { |
565764a8 | 3416 | *nxp = mg->mg_len; |
3280af22 | 3417 | return mg->mg_ptr + sizeof(PL_collation_ix); |
bbce6d69 | 3418 | } |
3419 | else { | |
3420 | *nxp = 0; | |
3421 | return NULL; | |
16660edb | 3422 | } |
79072805 LW |
3423 | } |
3424 | ||
36477c24 | 3425 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3426 | |
79072805 | 3427 | char * |
864dbfa3 | 3428 | Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3429 | { |
aeea060c | 3430 | dTHR; |
c07a80fd | 3431 | char *rsptr; |
3432 | STRLEN rslen; | |
3433 | register STDCHAR rslast; | |
3434 | register STDCHAR *bp; | |
3435 | register I32 cnt; | |
3436 | I32 i; | |
3437 | ||
2213622d | 3438 | SV_CHECK_THINKFIRST(sv); |
6fc92669 | 3439 | (void)SvUPGRADE(sv, SVt_PV); |
99491443 | 3440 | |
ff68c719 | 3441 | SvSCREAM_off(sv); |
c07a80fd | 3442 | |
3280af22 | 3443 | if (RsSNARF(PL_rs)) { |
c07a80fd | 3444 | rsptr = NULL; |
3445 | rslen = 0; | |
3446 | } | |
3280af22 | 3447 | else if (RsRECORD(PL_rs)) { |
5b2b9c68 HM |
3448 | I32 recsize, bytesread; |
3449 | char *buffer; | |
3450 | ||
3451 | /* Grab the size of the record we're getting */ | |
3280af22 | 3452 | recsize = SvIV(SvRV(PL_rs)); |
5b2b9c68 | 3453 | (void)SvPOK_only(sv); /* Validate pointer */ |
e670df4e | 3454 | buffer = SvGROW(sv, recsize + 1); |
5b2b9c68 HM |
3455 | /* Go yank in */ |
3456 | #ifdef VMS | |
3457 | /* VMS wants read instead of fread, because fread doesn't respect */ | |
3458 | /* RMS record boundaries. This is not necessarily a good thing to be */ | |
3459 | /* doing, but we've got no other real choice */ | |
3460 | bytesread = PerlLIO_read(PerlIO_fileno(fp), buffer, recsize); | |
3461 | #else | |
3462 | bytesread = PerlIO_read(fp, buffer, recsize); | |
3463 | #endif | |
3464 | SvCUR_set(sv, bytesread); | |
e670df4e | 3465 | buffer[bytesread] = '\0'; |
5b2b9c68 HM |
3466 | return(SvCUR(sv) ? SvPVX(sv) : Nullch); |
3467 | } | |
3280af22 | 3468 | else if (RsPARA(PL_rs)) { |
c07a80fd | 3469 | rsptr = "\n\n"; |
3470 | rslen = 2; | |
3471 | } | |
3472 | else | |
3280af22 | 3473 | rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 3474 | rslast = rslen ? rsptr[rslen - 1] : '\0'; |
3475 | ||
3280af22 | 3476 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
79072805 | 3477 | do { /* to make sure file boundaries work right */ |
760ac839 | 3478 | if (PerlIO_eof(fp)) |
a0d0e21e | 3479 | return 0; |
760ac839 | 3480 | i = PerlIO_getc(fp); |
79072805 | 3481 | if (i != '\n') { |
a0d0e21e LW |
3482 | if (i == -1) |
3483 | return 0; | |
760ac839 | 3484 | PerlIO_ungetc(fp,i); |
79072805 LW |
3485 | break; |
3486 | } | |
3487 | } while (i != EOF); | |
3488 | } | |
c07a80fd | 3489 | |
760ac839 LW |
3490 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3491 | ||
3492 | /* This used to be #ifdef test - it is made run-time test for ease | |
3493 | of abstracting out stdio interface. One call should be cheap | |
3494 | enough here - and may even be a macro allowing compile | |
3495 | time optimization. | |
3496 | */ | |
3497 | ||
3498 | if (PerlIO_fast_gets(fp)) { | |
3499 | ||
3500 | /* | |
3501 | * We're going to steal some values from the stdio struct | |
3502 | * and put EVERYTHING in the innermost loop into registers. | |
3503 | */ | |
3504 | register STDCHAR *ptr; | |
3505 | STRLEN bpx; | |
3506 | I32 shortbuffered; | |
3507 | ||
16660edb | 3508 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3509 | /* An ungetc()d char is handled separately from the regular | |
3510 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3511 | */ | |
3512 | i = PerlIO_getc(fp); | |
3513 | if (i == EOF) return 0; | |
3514 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3515 | (*fp)->_cnt++; | |
3516 | #endif | |
c07a80fd | 3517 | |
c2960299 | 3518 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3519 | |
760ac839 | 3520 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3521 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3522 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3523 | if (cnt > 80 && SvLEN(sv) > append) { | |
3524 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3525 | cnt -= shortbuffered; | |
3526 | } | |
3527 | else { | |
3528 | shortbuffered = 0; | |
bbce6d69 | 3529 | /* remember that cnt can be negative */ |
3530 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3531 | } |
3532 | } | |
3533 | else | |
3534 | shortbuffered = 0; | |
c07a80fd | 3535 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3536 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3537 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3538 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3539 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3540 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3541 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3542 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3543 | for (;;) { |
3544 | screamer: | |
93a17b20 | 3545 | if (cnt > 0) { |
c07a80fd | 3546 | if (rslen) { |
760ac839 LW |
3547 | while (cnt > 0) { /* this | eat */ |
3548 | cnt--; | |
c07a80fd | 3549 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3550 | goto thats_all_folks; /* screams | sed :-) */ | |
3551 | } | |
3552 | } | |
3553 | else { | |
36477c24 | 3554 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3555 | bp += cnt; /* screams | dust */ |
3556 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3557 | cnt = 0; |
93a17b20 | 3558 | } |
79072805 LW |
3559 | } |
3560 | ||
748a9306 | 3561 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3562 | cnt = shortbuffered; |
3563 | shortbuffered = 0; | |
c07a80fd | 3564 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3565 | SvCUR_set(sv, bpx); |
3566 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3567 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3568 | continue; |
3569 | } | |
3570 | ||
16660edb | 3571 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3572 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3573 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3574 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3575 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3576 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3577 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3578 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3579 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3580 | another abstraction. */ | |
760ac839 | 3581 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3582 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3583 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3584 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3585 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3586 | cnt = PerlIO_get_cnt(fp); |
3587 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3588 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3589 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3590 | |
748a9306 LW |
3591 | if (i == EOF) /* all done for ever? */ |
3592 | goto thats_really_all_folks; | |
3593 | ||
c07a80fd | 3594 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3595 | SvCUR_set(sv, bpx); |
3596 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3597 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3598 | ||
760ac839 | 3599 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3600 | |
c07a80fd | 3601 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3602 | goto thats_all_folks; |
79072805 LW |
3603 | } |
3604 | ||
3605 | thats_all_folks: | |
c07a80fd | 3606 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3607 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3608 | goto screamer; /* go back to the fray */ |
79072805 LW |
3609 | thats_really_all_folks: |
3610 | if (shortbuffered) | |
3611 | cnt += shortbuffered; | |
16660edb | 3612 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3613 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3614 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3615 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3616 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3617 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3618 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3619 | *bp = '\0'; |
760ac839 | 3620 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3621 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3622 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3623 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3624 | } |
3625 | else | |
79072805 | 3626 | { |
4d2c4e07 | 3627 | #ifndef EPOC |
760ac839 | 3628 | /*The big, slow, and stupid way */ |
c07a80fd | 3629 | STDCHAR buf[8192]; |
4d2c4e07 OF |
3630 | #else |
3631 | /* Need to work around EPOC SDK features */ | |
3632 | /* On WINS: MS VC5 generates calls to _chkstk, */ | |
3633 | /* if a `large' stack frame is allocated */ | |
3634 | /* gcc on MARM does not generate calls like these */ | |
3635 | STDCHAR buf[1024]; | |
3636 | #endif | |
79072805 | 3637 | |
760ac839 | 3638 | screamer2: |
c07a80fd | 3639 | if (rslen) { |
760ac839 LW |
3640 | register STDCHAR *bpe = buf + sizeof(buf); |
3641 | bp = buf; | |
3642 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3643 | ; /* keep reading */ | |
3644 | cnt = bp - buf; | |
c07a80fd | 3645 | } |
3646 | else { | |
760ac839 | 3647 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3648 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3649 | * both args of ?: operator, causing EOF to change into 255 | |
3650 | */ | |
3651 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3652 | } |
79072805 LW |
3653 | |
3654 | if (append) | |
760ac839 | 3655 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3656 | else |
760ac839 | 3657 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3658 | |
3659 | if (i != EOF && /* joy */ | |
3660 | (!rslen || | |
3661 | SvCUR(sv) < rslen || | |
36477c24 | 3662 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3663 | { |
3664 | append = -1; | |
63e4d877 CS |
3665 | /* |
3666 | * If we're reading from a TTY and we get a short read, | |
3667 | * indicating that the user hit his EOF character, we need | |
3668 | * to notice it now, because if we try to read from the TTY | |
3669 | * again, the EOF condition will disappear. | |
3670 | * | |
3671 | * The comparison of cnt to sizeof(buf) is an optimization | |
3672 | * that prevents unnecessary calls to feof(). | |
3673 | * | |
3674 | * - jik 9/25/96 | |
3675 | */ | |
3676 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3677 | goto screamer2; | |
79072805 LW |
3678 | } |
3679 | } | |
3680 | ||
3280af22 | 3681 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
c07a80fd | 3682 | while (i != EOF) { /* to make sure file boundaries work right */ |
760ac839 | 3683 | i = PerlIO_getc(fp); |
79072805 | 3684 | if (i != '\n') { |
760ac839 | 3685 | PerlIO_ungetc(fp,i); |
79072805 LW |
3686 | break; |
3687 | } | |
3688 | } | |
3689 | } | |
c07a80fd | 3690 | |
a868473f NIS |
3691 | #ifdef WIN32 |
3692 | win32_strip_return(sv); | |
3693 | #endif | |
3694 | ||
c07a80fd | 3695 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3696 | } |
3697 | ||
760ac839 | 3698 | |
79072805 | 3699 | void |
864dbfa3 | 3700 | Perl_sv_inc(pTHX_ register SV *sv) |
79072805 LW |
3701 | { |
3702 | register char *d; | |
463ee0b2 | 3703 | int flags; |
79072805 LW |
3704 | |
3705 | if (!sv) | |
3706 | return; | |
b23a5f78 GB |
3707 | if (SvGMAGICAL(sv)) |
3708 | mg_get(sv); | |
ed6116ce | 3709 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3710 | if (SvREADONLY(sv)) { |
3711 | dTHR; | |
3280af22 | 3712 | if (PL_curcop != &PL_compiling) |
cea2e8a9 | 3713 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 3714 | } |
a0d0e21e | 3715 | if (SvROK(sv)) { |
b5be31e9 | 3716 | IV i; |
9e7bc3e8 JD |
3717 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) |
3718 | return; | |
b5be31e9 SM |
3719 | i = (IV)SvRV(sv); |
3720 | sv_unref(sv); | |
3721 | sv_setiv(sv, i); | |
a0d0e21e | 3722 | } |
ed6116ce | 3723 | } |
8990e307 | 3724 | flags = SvFLAGS(sv); |
8990e307 | 3725 | if (flags & SVp_NOK) { |
a0d0e21e | 3726 | (void)SvNOK_only(sv); |
55497cff | 3727 | SvNVX(sv) += 1.0; |
3728 | return; | |
3729 | } | |
3730 | if (flags & SVp_IOK) { | |
25da4f38 IZ |
3731 | if (SvIsUV(sv)) { |
3732 | if (SvUVX(sv) == UV_MAX) | |
65202027 | 3733 | sv_setnv(sv, (NV)UV_MAX + 1.0); |
25da4f38 IZ |
3734 | else |
3735 | (void)SvIOK_only_UV(sv); | |
3736 | ++SvUVX(sv); | |
3737 | } else { | |
3738 | if (SvIVX(sv) == IV_MAX) | |
65202027 | 3739 | sv_setnv(sv, (NV)IV_MAX + 1.0); |
25da4f38 IZ |
3740 | else { |
3741 | (void)SvIOK_only(sv); | |
3742 | ++SvIVX(sv); | |
3743 | } | |
55497cff | 3744 | } |
79072805 LW |
3745 | return; |
3746 | } | |
8990e307 | 3747 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3748 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3749 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3750 | SvNVX(sv) = 1.0; |
a0d0e21e | 3751 | (void)SvNOK_only(sv); |
79072805 LW |
3752 | return; |
3753 | } | |
463ee0b2 | 3754 | d = SvPVX(sv); |
79072805 LW |
3755 | while (isALPHA(*d)) d++; |
3756 | while (isDIGIT(*d)) d++; | |
3757 | if (*d) { | |
097ee67d | 3758 | sv_setnv(sv,Atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3759 | return; |
3760 | } | |
3761 | d--; | |
463ee0b2 | 3762 | while (d >= SvPVX(sv)) { |
79072805 LW |
3763 | if (isDIGIT(*d)) { |
3764 | if (++*d <= '9') | |
3765 | return; | |
3766 | *(d--) = '0'; | |
3767 | } | |
3768 | else { | |
9d116dd7 JH |
3769 | #ifdef EBCDIC |
3770 | /* MKS: The original code here died if letters weren't consecutive. | |
3771 | * at least it didn't have to worry about non-C locales. The | |
3772 | * new code assumes that ('z'-'a')==('Z'-'A'), letters are | |
3773 | * arranged in order (although not consecutively) and that only | |
3774 | * [A-Za-z] are accepted by isALPHA in the C locale. | |
3775 | */ | |
3776 | if (*d != 'z' && *d != 'Z') { | |
3777 | do { ++*d; } while (!isALPHA(*d)); | |
3778 | return; | |
3779 | } | |
3780 | *(d--) -= 'z' - 'a'; | |
3781 | #else | |
79072805 LW |
3782 | ++*d; |
3783 | if (isALPHA(*d)) | |
3784 | return; | |
3785 | *(d--) -= 'z' - 'a' + 1; | |
9d116dd7 | 3786 | #endif |
79072805 LW |
3787 | } |
3788 | } | |
3789 | /* oh,oh, the number grew */ | |
3790 | SvGROW(sv, SvCUR(sv) + 2); | |
3791 | SvCUR(sv)++; | |
463ee0b2 | 3792 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3793 | *d = d[-1]; |
3794 | if (isDIGIT(d[1])) | |
3795 | *d = '1'; | |
3796 | else | |
3797 | *d = d[1]; | |
3798 | } | |
3799 | ||
3800 | void | |
864dbfa3 | 3801 | Perl_sv_dec(pTHX_ register SV *sv) |
79072805 | 3802 | { |
463ee0b2 LW |
3803 | int flags; |
3804 | ||
79072805 LW |
3805 | if (!sv) |
3806 | return; | |
b23a5f78 GB |
3807 | if (SvGMAGICAL(sv)) |
3808 | mg_get(sv); | |
ed6116ce | 3809 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3810 | if (SvREADONLY(sv)) { |
3811 | dTHR; | |
3280af22 | 3812 | if (PL_curcop != &PL_compiling) |
cea2e8a9 | 3813 | Perl_croak(aTHX_ PL_no_modify); |
0f15f207 | 3814 | } |
a0d0e21e | 3815 | if (SvROK(sv)) { |
b5be31e9 | 3816 | IV i; |
9e7bc3e8 JD |
3817 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) |
3818 | return; | |
b5be31e9 SM |
3819 | i = (IV)SvRV(sv); |
3820 | sv_unref(sv); | |
3821 | sv_setiv(sv, i); | |
a0d0e21e | 3822 | } |
ed6116ce | 3823 | } |
8990e307 | 3824 | flags = SvFLAGS(sv); |
8990e307 | 3825 | if (flags & SVp_NOK) { |
463ee0b2 | 3826 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3827 | (void)SvNOK_only(sv); |
79072805 LW |
3828 | return; |
3829 | } | |
55497cff | 3830 | if (flags & SVp_IOK) { |
25da4f38 IZ |
3831 | if (SvIsUV(sv)) { |
3832 | if (SvUVX(sv) == 0) { | |
3833 | (void)SvIOK_only(sv); | |
3834 | SvIVX(sv) = -1; | |
3835 | } | |
3836 | else { | |
3837 | (void)SvIOK_only_UV(sv); | |
3838 | --SvUVX(sv); | |
3839 | } | |
3840 | } else { | |
3841 | if (SvIVX(sv) == IV_MIN) | |
65202027 | 3842 | sv_setnv(sv, (NV)IV_MIN - 1.0); |
25da4f38 IZ |
3843 | else { |
3844 | (void)SvIOK_only(sv); | |
3845 | --SvIVX(sv); | |
3846 | } | |
55497cff | 3847 | } |
3848 | return; | |
3849 | } | |
8990e307 | 3850 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3851 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3852 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3853 | SvNVX(sv) = -1.0; |
a0d0e21e | 3854 | (void)SvNOK_only(sv); |
79072805 LW |
3855 | return; |
3856 | } | |
097ee67d | 3857 | sv_setnv(sv,Atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3858 | } |
3859 | ||
3860 | /* Make a string that will exist for the duration of the expression | |
3861 | * evaluation. Actually, it may have to last longer than that, but | |
3862 | * hopefully we won't free it until it has been assigned to a | |
3863 | * permanent location. */ | |
3864 | ||
3865 | SV * | |
864dbfa3 | 3866 | Perl_sv_mortalcopy(pTHX_ SV *oldstr) |
79072805 | 3867 | { |
11343788 | 3868 | dTHR; |
463ee0b2 | 3869 | register SV *sv; |
79072805 | 3870 | |
4561caa4 | 3871 | new_SV(sv); |
79072805 | 3872 | sv_setsv(sv,oldstr); |
677b06e3 GS |
3873 | EXTEND_MORTAL(1); |
3874 | PL_tmps_stack[++PL_tmps_ix] = sv; | |
8990e307 LW |
3875 | SvTEMP_on(sv); |
3876 | return sv; | |
3877 | } | |
3878 | ||
3879 | SV * | |
864dbfa3 | 3880 | Perl_sv_newmortal(pTHX) |
8990e307 | 3881 | { |
11343788 | 3882 | dTHR; |
8990e307 LW |
3883 | register SV *sv; |
3884 | ||
4561caa4 | 3885 | new_SV(sv); |
8990e307 | 3886 | SvFLAGS(sv) = SVs_TEMP; |
677b06e3 GS |
3887 | EXTEND_MORTAL(1); |
3888 | PL_tmps_stack[++PL_tmps_ix] = sv; | |
79072805 LW |
3889 | return sv; |
3890 | } | |
3891 | ||
3892 | /* same thing without the copying */ | |
3893 | ||
3894 | SV * | |
864dbfa3 | 3895 | Perl_sv_2mortal(pTHX_ register SV *sv) |
79072805 | 3896 | { |
11343788 | 3897 | dTHR; |
79072805 LW |
3898 | if (!sv) |
3899 | return sv; | |
d689ffdd | 3900 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) |
11162842 | 3901 | return sv; |
677b06e3 GS |
3902 | EXTEND_MORTAL(1); |
3903 | PL_tmps_stack[++PL_tmps_ix] = sv; | |
8990e307 | 3904 | SvTEMP_on(sv); |
79072805 LW |
3905 | return sv; |
3906 | } | |
3907 | ||
3908 | SV * | |
864dbfa3 | 3909 | Perl_newSVpv(pTHX_ const char *s, STRLEN len) |
79072805 | 3910 | { |
463ee0b2 | 3911 | register SV *sv; |
79072805 | 3912 | |
4561caa4 | 3913 | new_SV(sv); |
79072805 LW |
3914 | if (!len) |
3915 | len = strlen(s); | |
3916 | sv_setpvn(sv,s,len); | |
3917 | return sv; | |
3918 | } | |
3919 | ||
9da1e3b5 | 3920 | SV * |
864dbfa3 | 3921 | Perl_newSVpvn(pTHX_ const char *s, STRLEN len) |
9da1e3b5 MUN |
3922 | { |
3923 | register SV *sv; | |
3924 | ||
3925 | new_SV(sv); | |
9da1e3b5 MUN |
3926 | sv_setpvn(sv,s,len); |
3927 | return sv; | |
3928 | } | |
3929 | ||
cea2e8a9 | 3930 | #if defined(PERL_IMPLICIT_CONTEXT) |
46fc3d4c | 3931 | SV * |
cea2e8a9 | 3932 | Perl_newSVpvf_nocontext(const char* pat, ...) |
46fc3d4c | 3933 | { |
cea2e8a9 | 3934 | dTHX; |
46fc3d4c | 3935 | register SV *sv; |
3936 | va_list args; | |
46fc3d4c | 3937 | va_start(args, pat); |
c5be433b | 3938 | sv = vnewSVpvf(pat, &args); |
46fc3d4c | 3939 | va_end(args); |
3940 | return sv; | |
3941 | } | |
cea2e8a9 | 3942 | #endif |
46fc3d4c | 3943 | |
cea2e8a9 GS |
3944 | SV * |
3945 | Perl_newSVpvf(pTHX_ const char* pat, ...) | |
3946 | { | |
3947 | register SV *sv; | |
3948 | va_list args; | |
cea2e8a9 | 3949 | va_start(args, pat); |
c5be433b | 3950 | sv = vnewSVpvf(pat, &args); |
cea2e8a9 GS |
3951 | va_end(args); |
3952 | return sv; | |
3953 | } | |
46fc3d4c | 3954 | |
79072805 | 3955 | SV * |
c5be433b GS |
3956 | Perl_vnewSVpvf(pTHX_ const char* pat, va_list* args) |
3957 | { | |
3958 | register SV *sv; | |
3959 | new_SV(sv); | |
3960 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
3961 | return sv; | |
3962 | } | |
3963 | ||
3964 | SV * | |
65202027 | 3965 | Perl_newSVnv(pTHX_ NV n) |
79072805 | 3966 | { |
463ee0b2 | 3967 | register SV *sv; |
79072805 | 3968 | |
4561caa4 | 3969 | new_SV(sv); |
79072805 LW |
3970 | sv_setnv(sv,n); |
3971 | return sv; | |
3972 | } | |
3973 | ||
3974 | SV * | |
864dbfa3 | 3975 | Perl_newSViv(pTHX_ IV i) |
79072805 | 3976 | { |
463ee0b2 | 3977 | register SV *sv; |
79072805 | 3978 | |
4561caa4 | 3979 | new_SV(sv); |
79072805 LW |
3980 | sv_setiv(sv,i); |
3981 | return sv; | |
3982 | } | |
3983 | ||
2304df62 | 3984 | SV * |
864dbfa3 | 3985 | Perl_newRV_noinc(pTHX_ SV *tmpRef) |
2304df62 | 3986 | { |
11343788 | 3987 | dTHR; |
2304df62 AD |
3988 | register SV *sv; |
3989 | ||
4561caa4 | 3990 | new_SV(sv); |
2304df62 | 3991 | sv_upgrade(sv, SVt_RV); |
76e3520e | 3992 | SvTEMP_off(tmpRef); |
d689ffdd | 3993 | SvRV(sv) = tmpRef; |
2304df62 | 3994 | SvROK_on(sv); |
2304df62 AD |
3995 | return sv; |
3996 | } | |
3997 | ||
5f05dabc | 3998 | SV * |
864dbfa3 | 3999 | Perl_newRV(pTHX_ SV *tmpRef) |
5f05dabc | 4000 | { |
5f6447b6 | 4001 | return newRV_noinc(SvREFCNT_inc(tmpRef)); |
5f05dabc | 4002 | } |
5f05dabc | 4003 | |
79072805 LW |
4004 | /* make an exact duplicate of old */ |
4005 | ||
4006 | SV * | |
864dbfa3 | 4007 | Perl_newSVsv(pTHX_ register SV *old) |
79072805 | 4008 | { |
0453d815 | 4009 | dTHR; |
463ee0b2 | 4010 | register SV *sv; |
79072805 LW |
4011 | |
4012 | if (!old) | |
4013 | return Nullsv; | |
8990e307 | 4014 | if (SvTYPE(old) == SVTYPEMASK) { |
0453d815 PM |
4015 | if (ckWARN_d(WARN_INTERNAL)) |
4016 | Perl_warner(aTHX_ WARN_INTERNAL, "semi-panic: attempt to dup freed string"); | |
79072805 LW |
4017 | return Nullsv; |
4018 | } | |
4561caa4 | 4019 | new_SV(sv); |
ff68c719 | 4020 | if (SvTEMP(old)) { |
4021 | SvTEMP_off(old); | |
463ee0b2 | 4022 | sv_setsv(sv,old); |
ff68c719 | 4023 | SvTEMP_on(old); |
79072805 LW |
4024 | } |
4025 | else | |
463ee0b2 LW |
4026 | sv_setsv(sv,old); |
4027 | return sv; | |
79072805 LW |
4028 | } |
4029 | ||
4030 | void | |
864dbfa3 | 4031 | Perl_sv_reset(pTHX_ register char *s, HV *stash) |
79072805 LW |
4032 | { |
4033 | register HE *entry; | |
4034 | register GV *gv; | |
4035 | register SV *sv; | |
4036 | register I32 i; | |
4037 | register PMOP *pm; | |
4038 | register I32 max; | |
4802d5d7 | 4039 | char todo[PERL_UCHAR_MAX+1]; |
79072805 | 4040 | |
49d8d3a1 MB |
4041 | if (!stash) |
4042 | return; | |
4043 | ||
79072805 LW |
4044 | if (!*s) { /* reset ?? searches */ |
4045 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
48c036b1 | 4046 | pm->op_pmdynflags &= ~PMdf_USED; |
79072805 LW |
4047 | } |
4048 | return; | |
4049 | } | |
4050 | ||
4051 | /* reset variables */ | |
4052 | ||
4053 | if (!HvARRAY(stash)) | |
4054 | return; | |
463ee0b2 LW |
4055 | |
4056 | Zero(todo, 256, char); | |
79072805 | 4057 | while (*s) { |
4802d5d7 | 4058 | i = (unsigned char)*s; |
79072805 LW |
4059 | if (s[1] == '-') { |
4060 | s += 2; | |
4061 | } | |
4802d5d7 | 4062 | max = (unsigned char)*s++; |
79072805 | 4063 | for ( ; i <= max; i++) { |
463ee0b2 LW |
4064 | todo[i] = 1; |
4065 | } | |
a0d0e21e | 4066 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 | 4067 | for (entry = HvARRAY(stash)[i]; |
9e35f4b3 GS |
4068 | entry; |
4069 | entry = HeNEXT(entry)) | |
4070 | { | |
1edc1566 | 4071 | if (!todo[(U8)*HeKEY(entry)]) |
463ee0b2 | 4072 | continue; |
1edc1566 | 4073 | gv = (GV*)HeVAL(entry); |
79072805 | 4074 | sv = GvSV(gv); |
9e35f4b3 GS |
4075 | if (SvTHINKFIRST(sv)) { |
4076 | if (!SvREADONLY(sv) && SvROK(sv)) | |
4077 | sv_unref(sv); | |
4078 | continue; | |
4079 | } | |
a0d0e21e | 4080 | (void)SvOK_off(sv); |
79072805 LW |
4081 | if (SvTYPE(sv) >= SVt_PV) { |
4082 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
4083 | if (SvPVX(sv) != Nullch) |
4084 | *SvPVX(sv) = '\0'; | |
44a8e56a | 4085 | SvTAINT(sv); |
79072805 LW |
4086 | } |
4087 | if (GvAV(gv)) { | |
4088 | av_clear(GvAV(gv)); | |
4089 | } | |
44a8e56a | 4090 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 4091 | hv_clear(GvHV(gv)); |
a0d0e21e | 4092 | #ifndef VMS /* VMS has no environ array */ |
3280af22 | 4093 | if (gv == PL_envgv) |
79072805 | 4094 | environ[0] = Nullch; |
a0d0e21e | 4095 | #endif |
79072805 LW |
4096 | } |
4097 | } | |
4098 | } | |
4099 | } | |
4100 | } | |
4101 | ||
46fc3d4c | 4102 | IO* |
864dbfa3 | 4103 | Perl_sv_2io(pTHX_ SV *sv) |
46fc3d4c | 4104 | { |
4105 | IO* io; | |
4106 | GV* gv; | |
2d8e6c8d | 4107 | STRLEN n_a; |
46fc3d4c | 4108 | |
4109 | switch (SvTYPE(sv)) { | |
4110 | case SVt_PVIO: | |
4111 | io = (IO*)sv; | |
4112 | break; | |
4113 | case SVt_PVGV: | |
4114 | gv = (GV*)sv; | |
4115 | io = GvIO(gv); | |
4116 | if (!io) | |
cea2e8a9 | 4117 | Perl_croak(aTHX_ "Bad filehandle: %s", GvNAME(gv)); |
46fc3d4c | 4118 | break; |
4119 | default: | |
4120 | if (!SvOK(sv)) | |
cea2e8a9 | 4121 | Perl_croak(aTHX_ PL_no_usym, "filehandle"); |
46fc3d4c | 4122 | if (SvROK(sv)) |
4123 | return sv_2io(SvRV(sv)); | |
2d8e6c8d | 4124 | gv = gv_fetchpv(SvPV(sv,n_a), FALSE, SVt_PVIO); |
46fc3d4c | 4125 | if (gv) |
4126 | io = GvIO(gv); | |
4127 | else | |
4128 | io = 0; | |
4129 | if (!io) | |
cea2e8a9 | 4130 | Perl_croak(aTHX_ "Bad filehandle: %s", SvPV(sv,n_a)); |
46fc3d4c | 4131 | break; |
4132 | } | |
4133 | return io; | |
4134 | } | |
4135 | ||
79072805 | 4136 | CV * |
864dbfa3 | 4137 | Perl_sv_2cv(pTHX_ SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
4138 | { |
4139 | GV *gv; | |
4140 | CV *cv; | |
2d8e6c8d | 4141 | STRLEN n_a; |
79072805 LW |
4142 | |
4143 | if (!sv) | |
93a17b20 | 4144 | return *gvp = Nullgv, Nullcv; |
79072805 | 4145 | switch (SvTYPE(sv)) { |
79072805 LW |
4146 | case SVt_PVCV: |
4147 | *st = CvSTASH(sv); | |
4148 | *gvp = Nullgv; | |
4149 | return (CV*)sv; | |
4150 | case SVt_PVHV: | |
4151 | case SVt_PVAV: | |
4152 | *gvp = Nullgv; | |
4153 | return Nullcv; | |
8990e307 LW |
4154 | case SVt_PVGV: |
4155 | gv = (GV*)sv; | |
a0d0e21e | 4156 | *gvp = gv; |
8990e307 LW |
4157 | *st = GvESTASH(gv); |
4158 | goto fix_gv; | |
4159 | ||
79072805 | 4160 | default: |
a0d0e21e LW |
4161 | if (SvGMAGICAL(sv)) |
4162 | mg_get(sv); | |
4163 | if (SvROK(sv)) { | |
0f4592ef | 4164 | dTHR; |
f5284f61 IZ |
4165 | SV **sp = &sv; /* Used in tryAMAGICunDEREF macro. */ |
4166 | tryAMAGICunDEREF(to_cv); | |
4167 | ||
62f274bf GS |
4168 | sv = SvRV(sv); |
4169 | if (SvTYPE(sv) == SVt_PVCV) { | |
4170 | cv = (CV*)sv; | |
4171 | *gvp = Nullgv; | |
4172 | *st = CvSTASH(cv); | |
4173 | return cv; | |
4174 | } | |
4175 | else if(isGV(sv)) | |
4176 | gv = (GV*)sv; | |
4177 | else | |
cea2e8a9 | 4178 | Perl_croak(aTHX_ "Not a subroutine reference"); |
a0d0e21e | 4179 | } |
62f274bf | 4180 | else if (isGV(sv)) |
79072805 LW |
4181 | gv = (GV*)sv; |
4182 | else | |
2d8e6c8d | 4183 | gv = gv_fetchpv(SvPV(sv, n_a), lref, SVt_PVCV); |
79072805 LW |
4184 | *gvp = gv; |
4185 | if (!gv) | |
4186 | return Nullcv; | |
4187 | *st = GvESTASH(gv); | |
8990e307 | 4188 | fix_gv: |
8ebc5c01 | 4189 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 4190 | SV *tmpsv; |
748a9306 | 4191 | ENTER; |
4633a7c4 | 4192 | tmpsv = NEWSV(704,0); |
16660edb | 4193 | gv_efullname3(tmpsv, gv, Nullch); |
f6ec51f7 GS |
4194 | /* XXX this is probably not what they think they're getting. |
4195 | * It has the same effect as "sub name;", i.e. just a forward | |
4196 | * declaration! */ | |
774d564b | 4197 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
4198 | newSVOP(OP_CONST, 0, tmpsv), |
4199 | Nullop, | |
8990e307 | 4200 | Nullop); |
748a9306 | 4201 | LEAVE; |
8ebc5c01 | 4202 | if (!GvCVu(gv)) |
cea2e8a9 | 4203 | Perl_croak(aTHX_ "Unable to create sub named \"%s\"", SvPV(sv,n_a)); |
8990e307 | 4204 | } |
8ebc5c01 | 4205 | return GvCVu(gv); |
79072805 LW |
4206 | } |
4207 | } | |
4208 | ||
79072805 | 4209 | I32 |
864dbfa3 | 4210 | Perl_sv_true(pTHX_ register SV *sv) |
79072805 | 4211 | { |
4e35701f | 4212 | dTHR; |
8990e307 LW |
4213 | if (!sv) |
4214 | return 0; | |
79072805 | 4215 | if (SvPOK(sv)) { |
4e35701f NIS |
4216 | register XPV* tXpv; |
4217 | if ((tXpv = (XPV*)SvANY(sv)) && | |
4218 | (*tXpv->xpv_pv > '0' || | |
4219 | tXpv->xpv_cur > 1 || | |
4220 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
4221 | return 1; |
4222 | else | |
4223 | return 0; | |
4224 | } | |
4225 | else { | |
4226 | if (SvIOK(sv)) | |
463ee0b2 | 4227 | return SvIVX(sv) != 0; |
79072805 LW |
4228 | else { |
4229 | if (SvNOK(sv)) | |
463ee0b2 | 4230 | return SvNVX(sv) != 0.0; |
79072805 | 4231 | else |
463ee0b2 | 4232 | return sv_2bool(sv); |
79072805 LW |
4233 | } |
4234 | } | |
4235 | } | |
79072805 | 4236 | |
ff68c719 | 4237 | IV |
864dbfa3 | 4238 | Perl_sv_iv(pTHX_ register SV *sv) |
85e6fe83 | 4239 | { |
25da4f38 IZ |
4240 | if (SvIOK(sv)) { |
4241 | if (SvIsUV(sv)) | |
4242 | return (IV)SvUVX(sv); | |
ff68c719 | 4243 | return SvIVX(sv); |
25da4f38 | 4244 | } |
ff68c719 | 4245 | return sv_2iv(sv); |
85e6fe83 | 4246 | } |
85e6fe83 | 4247 | |
ff68c719 | 4248 | UV |
864dbfa3 | 4249 | Perl_sv_uv(pTHX_ register SV *sv) |
ff68c719 | 4250 | { |
25da4f38 IZ |
4251 | if (SvIOK(sv)) { |
4252 | if (SvIsUV(sv)) | |
4253 | return SvUVX(sv); | |
4254 | return (UV)SvIVX(sv); | |
4255 | } | |
ff68c719 | 4256 | return sv_2uv(sv); |
4257 | } | |
85e6fe83 | 4258 | |
65202027 | 4259 | NV |
864dbfa3 | 4260 | Perl_sv_nv(pTHX_ register SV *sv) |
79072805 | 4261 | { |
ff68c719 | 4262 | if (SvNOK(sv)) |
4263 | return SvNVX(sv); | |
4264 | return sv_2nv(sv); | |
79072805 | 4265 | } |
79072805 | 4266 | |
79072805 | 4267 | char * |
864dbfa3 | 4268 | Perl_sv_pv(pTHX_ SV *sv) |
1fa8b10d JD |
4269 | { |
4270 | STRLEN n_a; | |
4271 | ||
4272 | if (SvPOK(sv)) | |
4273 | return SvPVX(sv); | |
4274 | ||
4275 | return sv_2pv(sv, &n_a); | |
4276 | } | |
4277 | ||
4278 | char * | |
864dbfa3 | 4279 | Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp) |
79072805 | 4280 | { |
85e6fe83 LW |
4281 | if (SvPOK(sv)) { |
4282 | *lp = SvCUR(sv); | |
a0d0e21e | 4283 | return SvPVX(sv); |
85e6fe83 | 4284 | } |
463ee0b2 | 4285 | return sv_2pv(sv, lp); |
79072805 | 4286 | } |
79072805 | 4287 | |
a0d0e21e | 4288 | char * |
864dbfa3 | 4289 | Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp) |
a0d0e21e LW |
4290 | { |
4291 | char *s; | |
4292 | ||
6fc92669 GS |
4293 | if (SvTHINKFIRST(sv) && !SvROK(sv)) |
4294 | sv_force_normal(sv); | |
a0d0e21e LW |
4295 | |
4296 | if (SvPOK(sv)) { | |
4297 | *lp = SvCUR(sv); | |
4298 | } | |
4299 | else { | |
748a9306 | 4300 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
6fc92669 | 4301 | dTHR; |
cea2e8a9 | 4302 | Perl_croak(aTHX_ "Can't coerce %s to string in %s", sv_reftype(sv,0), |
6fc92669 | 4303 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 4304 | } |
4633a7c4 LW |
4305 | else |
4306 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
4307 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
4308 | STRLEN len = *lp; | |
4309 | ||
4310 | if (SvROK(sv)) | |
4311 | sv_unref(sv); | |
4312 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
4313 | SvGROW(sv, len + 1); | |
4314 | Move(s,SvPVX(sv),len,char); | |
4315 | SvCUR_set(sv, len); | |
4316 | *SvEND(sv) = '\0'; | |
4317 | } | |
4318 | if (!SvPOK(sv)) { | |
4319 | SvPOK_on(sv); /* validate pointer */ | |
4320 | SvTAINT(sv); | |
760ac839 | 4321 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
4322 | (unsigned long)sv,SvPVX(sv))); |
4323 | } | |
4324 | } | |
4325 | return SvPVX(sv); | |
4326 | } | |
4327 | ||
4328 | char * | |
864dbfa3 | 4329 | Perl_sv_reftype(pTHX_ SV *sv, int ob) |
a0d0e21e LW |
4330 | { |
4331 | if (ob && SvOBJECT(sv)) | |
4332 | return HvNAME(SvSTASH(sv)); | |
4333 | else { | |
4334 | switch (SvTYPE(sv)) { | |
4335 | case SVt_NULL: | |
4336 | case SVt_IV: | |
4337 | case SVt_NV: | |
4338 | case SVt_RV: | |
4339 | case SVt_PV: | |
4340 | case SVt_PVIV: | |
4341 | case SVt_PVNV: | |
4342 | case SVt_PVMG: | |
4343 | case SVt_PVBM: | |
4344 | if (SvROK(sv)) | |
4345 | return "REF"; | |
4346 | else | |
4347 | return "SCALAR"; | |
4348 | case SVt_PVLV: return "LVALUE"; | |
4349 | case SVt_PVAV: return "ARRAY"; | |
4350 | case SVt_PVHV: return "HASH"; | |
4351 | case SVt_PVCV: return "CODE"; | |
4352 | case SVt_PVGV: return "GLOB"; | |
1d2dff63 | 4353 | case SVt_PVFM: return "FORMAT"; |
a0d0e21e LW |
4354 | default: return "UNKNOWN"; |
4355 | } | |
4356 | } | |
4357 | } | |
4358 | ||
463ee0b2 | 4359 | int |
864dbfa3 | 4360 | Perl_sv_isobject(pTHX_ SV *sv) |
85e6fe83 | 4361 | { |
68dc0745 | 4362 | if (!sv) |
4363 | return 0; | |
4364 | if (SvGMAGICAL(sv)) | |
4365 | mg_get(sv); | |
85e6fe83 LW |
4366 | if (!SvROK(sv)) |
4367 | return 0; | |
4368 | sv = (SV*)SvRV(sv); | |
4369 | if (!SvOBJECT(sv)) | |
4370 | return 0; | |
4371 | return 1; | |
4372 | } | |
4373 | ||
4374 | int | |
864dbfa3 | 4375 | Perl_sv_isa(pTHX_ SV *sv, const char *name) |
463ee0b2 | 4376 | { |
68dc0745 | 4377 | if (!sv) |
4378 | return 0; | |
4379 | if (SvGMAGICAL(sv)) | |
4380 | mg_get(sv); | |
ed6116ce | 4381 | if (!SvROK(sv)) |
463ee0b2 | 4382 | return 0; |
ed6116ce LW |
4383 | sv = (SV*)SvRV(sv); |
4384 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4385 | return 0; |
4386 | ||
4387 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4388 | } | |
4389 | ||
4390 | SV* | |
864dbfa3 | 4391 | Perl_newSVrv(pTHX_ SV *rv, const char *classname) |
463ee0b2 | 4392 | { |
11343788 | 4393 | dTHR; |
463ee0b2 LW |
4394 | SV *sv; |
4395 | ||
4561caa4 | 4396 | new_SV(sv); |
51cf62d8 | 4397 | |
2213622d | 4398 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 | 4399 | SvAMAGIC_off(rv); |
51cf62d8 OT |
4400 | |
4401 | if (SvTYPE(rv) < SVt_RV) | |
4402 | sv_upgrade(rv, SVt_RV); | |
4403 | ||
4404 | (void)SvOK_off(rv); | |
053fc874 | 4405 | SvRV(rv) = sv; |
ed6116ce | 4406 | SvROK_on(rv); |
463ee0b2 | 4407 | |
a0d0e21e LW |
4408 | if (classname) { |
4409 | HV* stash = gv_stashpv(classname, TRUE); | |
4410 | (void)sv_bless(rv, stash); | |
4411 | } | |
4412 | return sv; | |
4413 | } | |
4414 | ||
4415 | SV* | |
864dbfa3 | 4416 | Perl_sv_setref_pv(pTHX_ SV *rv, const char *classname, void *pv) |
a0d0e21e | 4417 | { |
189b2af5 | 4418 | if (!pv) { |
3280af22 | 4419 | sv_setsv(rv, &PL_sv_undef); |
189b2af5 GS |
4420 | SvSETMAGIC(rv); |
4421 | } | |
a0d0e21e LW |
4422 | else |
4423 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4424 | return rv; | |
4425 | } | |
4426 | ||
4427 | SV* | |
864dbfa3 | 4428 | Perl_sv_setref_iv(pTHX_ SV *rv, const char *classname, IV iv) |
a0d0e21e LW |
4429 | { |
4430 | sv_setiv(newSVrv(rv,classname), iv); | |
4431 | return rv; | |
4432 | } | |
4433 | ||
4434 | SV* | |
65202027 | 4435 | Perl_sv_setref_nv(pTHX_ SV *rv, const char *classname, NV nv) |
a0d0e21e LW |
4436 | { |
4437 | sv_setnv(newSVrv(rv,classname), nv); | |
4438 | return rv; | |
4439 | } | |
463ee0b2 | 4440 | |
a0d0e21e | 4441 | SV* |
864dbfa3 | 4442 | Perl_sv_setref_pvn(pTHX_ SV *rv, const char *classname, char *pv, STRLEN n) |
a0d0e21e LW |
4443 | { |
4444 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4445 | return rv; |
4446 | } | |
4447 | ||
a0d0e21e | 4448 | SV* |
864dbfa3 | 4449 | Perl_sv_bless(pTHX_ SV *sv, HV *stash) |
a0d0e21e | 4450 | { |
11343788 | 4451 | dTHR; |
76e3520e | 4452 | SV *tmpRef; |
a0d0e21e | 4453 | if (!SvROK(sv)) |
cea2e8a9 | 4454 | Perl_croak(aTHX_ "Can't bless non-reference value"); |
76e3520e GS |
4455 | tmpRef = SvRV(sv); |
4456 | if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) { | |
4457 | if (SvREADONLY(tmpRef)) | |
cea2e8a9 | 4458 | Perl_croak(aTHX_ PL_no_modify); |
76e3520e GS |
4459 | if (SvOBJECT(tmpRef)) { |
4460 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4461 | --PL_sv_objcount; |
76e3520e | 4462 | SvREFCNT_dec(SvSTASH(tmpRef)); |
2e3febc6 | 4463 | } |
a0d0e21e | 4464 | } |
76e3520e GS |
4465 | SvOBJECT_on(tmpRef); |
4466 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4467 | ++PL_sv_objcount; |
76e3520e GS |
4468 | (void)SvUPGRADE(tmpRef, SVt_PVMG); |
4469 | SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash); | |
a0d0e21e | 4470 | |
2e3febc6 CS |
4471 | if (Gv_AMG(stash)) |
4472 | SvAMAGIC_on(sv); | |
4473 | else | |
4474 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4475 | |
4476 | return sv; | |
4477 | } | |
4478 | ||
76e3520e | 4479 | STATIC void |
cea2e8a9 | 4480 | S_sv_unglob(pTHX_ SV *sv) |
a0d0e21e LW |
4481 | { |
4482 | assert(SvTYPE(sv) == SVt_PVGV); | |
4483 | SvFAKE_off(sv); | |
4484 | if (GvGP(sv)) | |
1edc1566 | 4485 | gp_free((GV*)sv); |
e826b3c7 GS |
4486 | if (GvSTASH(sv)) { |
4487 | SvREFCNT_dec(GvSTASH(sv)); | |
4488 | GvSTASH(sv) = Nullhv; | |
4489 | } | |
a0d0e21e LW |
4490 | sv_unmagic(sv, '*'); |
4491 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4492 | GvMULTI_off(sv); |
a0d0e21e LW |
4493 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4494 | SvFLAGS(sv) |= SVt_PVMG; | |
4495 | } | |
4496 | ||
ed6116ce | 4497 | void |
864dbfa3 | 4498 | Perl_sv_unref(pTHX_ SV *sv) |
ed6116ce | 4499 | { |
a0d0e21e | 4500 | SV* rv = SvRV(sv); |
810b8aa5 GS |
4501 | |
4502 | if (SvWEAKREF(sv)) { | |
4503 | sv_del_backref(sv); | |
4504 | SvWEAKREF_off(sv); | |
4505 | SvRV(sv) = 0; | |
4506 | return; | |
4507 | } | |
ed6116ce LW |
4508 | SvRV(sv) = 0; |
4509 | SvROK_off(sv); | |
4633a7c4 LW |
4510 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4511 | SvREFCNT_dec(rv); | |
8e07c86e | 4512 | else |
4633a7c4 | 4513 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4514 | } |
8990e307 | 4515 | |
bbce6d69 | 4516 | void |
864dbfa3 | 4517 | Perl_sv_taint(pTHX_ SV *sv) |
bbce6d69 | 4518 | { |
4519 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4520 | } | |
4521 | ||
4522 | void | |
864dbfa3 | 4523 | Perl_sv_untaint(pTHX_ SV *sv) |
bbce6d69 | 4524 | { |
13f57bf8 | 4525 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4526 | MAGIC *mg = mg_find(sv, 't'); |
4527 | if (mg) | |
565764a8 | 4528 | mg->mg_len &= ~1; |
36477c24 | 4529 | } |
bbce6d69 | 4530 | } |
4531 | ||
4532 | bool | |
864dbfa3 | 4533 | Perl_sv_tainted(pTHX_ SV *sv) |
bbce6d69 | 4534 | { |
13f57bf8 | 4535 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4536 | MAGIC *mg = mg_find(sv, 't'); |
565764a8 | 4537 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) |
36477c24 | 4538 | return TRUE; |
4539 | } | |
4540 | return FALSE; | |
bbce6d69 | 4541 | } |
4542 | ||
84902520 | 4543 | void |
864dbfa3 | 4544 | Perl_sv_setpviv(pTHX_ SV *sv, IV iv) |
84902520 | 4545 | { |
25da4f38 IZ |
4546 | char buf[TYPE_CHARS(UV)]; |
4547 | char *ebuf; | |
4548 | char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf); | |
84902520 | 4549 | |
25da4f38 | 4550 | sv_setpvn(sv, ptr, ebuf - ptr); |
84902520 TB |
4551 | } |
4552 | ||
ef50df4b GS |
4553 | |
4554 | void | |
864dbfa3 | 4555 | Perl_sv_setpviv_mg(pTHX_ SV *sv, IV iv) |
ef50df4b | 4556 | { |
25da4f38 IZ |
4557 | char buf[TYPE_CHARS(UV)]; |
4558 | char *ebuf; | |
4559 | char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf); | |
4560 | ||
4561 | sv_setpvn(sv, ptr, ebuf - ptr); | |
ef50df4b GS |
4562 | SvSETMAGIC(sv); |
4563 | } | |
4564 | ||
cea2e8a9 GS |
4565 | #if defined(PERL_IMPLICIT_CONTEXT) |
4566 | void | |
4567 | Perl_sv_setpvf_nocontext(SV *sv, const char* pat, ...) | |
4568 | { | |
4569 | dTHX; | |
4570 | va_list args; | |
4571 | va_start(args, pat); | |
c5be433b | 4572 | sv_vsetpvf(sv, pat, &args); |
cea2e8a9 GS |
4573 | va_end(args); |
4574 | } | |
4575 | ||
4576 | ||
4577 | void | |
4578 | Perl_sv_setpvf_mg_nocontext(SV *sv, const char* pat, ...) | |
4579 | { | |
4580 | dTHX; | |
4581 | va_list args; | |
4582 | va_start(args, pat); | |
c5be433b | 4583 | sv_vsetpvf_mg(sv, pat, &args); |
cea2e8a9 | 4584 | va_end(args); |
cea2e8a9 GS |
4585 | } |
4586 | #endif | |
4587 | ||
46fc3d4c | 4588 | void |
864dbfa3 | 4589 | Perl_sv_setpvf(pTHX_ SV *sv, const char* pat, ...) |
46fc3d4c | 4590 | { |
4591 | va_list args; | |
46fc3d4c | 4592 | va_start(args, pat); |
c5be433b | 4593 | sv_vsetpvf(sv, pat, &args); |
46fc3d4c | 4594 | va_end(args); |
4595 | } | |
4596 | ||
c5be433b GS |
4597 | void |
4598 | Perl_sv_vsetpvf(pTHX_ SV *sv, const char* pat, va_list* args) | |
4599 | { | |
4600 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
4601 | } | |
ef50df4b | 4602 | |
ef50df4b | 4603 | void |
864dbfa3 | 4604 | Perl_sv_setpvf_mg(pTHX_ SV *sv, const char* pat, ...) |
ef50df4b GS |
4605 | { |
4606 | va_list args; | |
ef50df4b | 4607 | va_start(args, pat); |
c5be433b | 4608 | sv_vsetpvf_mg(sv, pat, &args); |
ef50df4b | 4609 | va_end(args); |
c5be433b GS |
4610 | } |
4611 | ||
4612 | void | |
4613 | Perl_sv_vsetpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args) | |
4614 | { | |
4615 | sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
ef50df4b GS |
4616 | SvSETMAGIC(sv); |
4617 | } | |
4618 | ||
cea2e8a9 GS |
4619 | #if defined(PERL_IMPLICIT_CONTEXT) |
4620 | void | |
4621 | Perl_sv_catpvf_nocontext(SV *sv, const char* pat, ...) | |
4622 | { | |
4623 | dTHX; | |
4624 | va_list args; | |
4625 | va_start(args, pat); | |
c5be433b | 4626 | sv_vcatpvf(sv, pat, &args); |
cea2e8a9 GS |
4627 | va_end(args); |
4628 | } | |
4629 | ||
4630 | void | |
4631 | Perl_sv_catpvf_mg_nocontext(SV *sv, const char* pat, ...) | |
4632 | { | |
4633 | dTHX; | |
4634 | va_list args; | |
4635 | va_start(args, pat); | |
c5be433b | 4636 | sv_vcatpvf_mg(sv, pat, &args); |
cea2e8a9 | 4637 | va_end(args); |
cea2e8a9 GS |
4638 | } |
4639 | #endif | |
4640 | ||
46fc3d4c | 4641 | void |
864dbfa3 | 4642 | Perl_sv_catpvf(pTHX_ SV *sv, const char* pat, ...) |
46fc3d4c | 4643 | { |
4644 | va_list args; | |
46fc3d4c | 4645 | va_start(args, pat); |
c5be433b | 4646 | sv_vcatpvf(sv, pat, &args); |
46fc3d4c | 4647 | va_end(args); |
4648 | } | |
4649 | ||
ef50df4b | 4650 | void |
c5be433b GS |
4651 | Perl_sv_vcatpvf(pTHX_ SV *sv, const char* pat, va_list* args) |
4652 | { | |
4653 | sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
4654 | } | |
4655 | ||
4656 | void | |
864dbfa3 | 4657 | Perl_sv_catpvf_mg(pTHX_ SV *sv, const char* pat, ...) |
ef50df4b GS |
4658 | { |
4659 | va_list args; | |
ef50df4b | 4660 | va_start(args, pat); |
c5be433b | 4661 | sv_vcatpvf_mg(sv, pat, &args); |
ef50df4b | 4662 | va_end(args); |
c5be433b GS |
4663 | } |
4664 | ||
4665 | void | |
4666 | Perl_sv_vcatpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args) | |
4667 | { | |
4668 | sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); | |
ef50df4b GS |
4669 | SvSETMAGIC(sv); |
4670 | } | |
4671 | ||
46fc3d4c | 4672 | void |
864dbfa3 | 4673 | Perl_sv_vsetpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4674 | { |
4675 | sv_setpvn(sv, "", 0); | |
4676 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4677 | } | |
4678 | ||
4679 | void | |
864dbfa3 | 4680 | Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4681 | { |
e858de61 | 4682 | dTHR; |
46fc3d4c | 4683 | char *p; |
4684 | char *q; | |
4685 | char *patend; | |
fc36a67e | 4686 | STRLEN origlen; |
46fc3d4c | 4687 | I32 svix = 0; |
c635e13b | 4688 | static char nullstr[] = "(null)"; |
46fc3d4c | 4689 | |
4690 | /* no matter what, this is a string now */ | |
fc36a67e | 4691 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4692 | |
fc36a67e | 4693 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4694 | if (patlen == 0) |
4695 | return; | |
fc36a67e | 4696 | if (patlen == 2 && pat[0] == '%') { |
4697 | switch (pat[1]) { | |
4698 | case 's': | |
c635e13b | 4699 | if (args) { |
4700 | char *s = va_arg(*args, char*); | |
4701 | sv_catpv(sv, s ? s : nullstr); | |
4702 | } | |
fc36a67e | 4703 | else if (svix < svmax) |
4704 | sv_catsv(sv, *svargs); | |
4705 | return; | |
4706 | case '_': | |
4707 | if (args) { | |
4708 | sv_catsv(sv, va_arg(*args, SV*)); | |
4709 | return; | |
4710 | } | |
4711 | /* See comment on '_' below */ | |
4712 | break; | |
4713 | } | |
46fc3d4c | 4714 | } |
4715 | ||
4716 | patend = (char*)pat + patlen; | |
4717 | for (p = (char*)pat; p < patend; p = q) { | |
4718 | bool alt = FALSE; | |
4719 | bool left = FALSE; | |
4720 | char fill = ' '; | |
4721 | char plus = 0; | |
4722 | char intsize = 0; | |
4723 | STRLEN width = 0; | |
fc36a67e | 4724 | STRLEN zeros = 0; |
46fc3d4c | 4725 | bool has_precis = FALSE; |
4726 | STRLEN precis = 0; | |
4727 | ||
4728 | char esignbuf[4]; | |
dfe13c55 | 4729 | U8 utf8buf[10]; |
46fc3d4c | 4730 | STRLEN esignlen = 0; |
4731 | ||
4732 | char *eptr = Nullch; | |
fc36a67e | 4733 | STRLEN elen = 0; |
4734 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4735 | char c; |
4736 | int i; | |
4737 | unsigned base; | |
4738 | IV iv; | |
4739 | UV uv; | |
65202027 | 4740 | NV nv; |
46fc3d4c | 4741 | STRLEN have; |
4742 | STRLEN need; | |
4743 | STRLEN gap; | |
4744 | ||
4745 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4746 | if (q > p) { | |
4747 | sv_catpvn(sv, p, q - p); | |
4748 | p = q; | |
4749 | } | |
4750 | if (q++ >= patend) | |
4751 | break; | |
4752 | ||
fc36a67e | 4753 | /* FLAGS */ |
4754 | ||
46fc3d4c | 4755 | while (*q) { |
4756 | switch (*q) { | |
4757 | case ' ': | |
4758 | case '+': | |
4759 | plus = *q++; | |
4760 | continue; | |
4761 | ||
4762 | case '-': | |
4763 | left = TRUE; | |
4764 | q++; | |
4765 | continue; | |
4766 | ||
4767 | case '0': | |
4768 | fill = *q++; | |
4769 | continue; | |
4770 | ||
4771 | case '#': | |
4772 | alt = TRUE; | |
4773 | q++; | |
4774 | continue; | |
4775 | ||
fc36a67e | 4776 | default: |
4777 | break; | |
4778 | } | |
4779 | break; | |
4780 | } | |
46fc3d4c | 4781 | |
fc36a67e | 4782 | /* WIDTH */ |
4783 | ||
4784 | switch (*q) { | |
4785 | case '1': case '2': case '3': | |
4786 | case '4': case '5': case '6': | |
4787 | case '7': case '8': case '9': | |
4788 | width = 0; | |
4789 | while (isDIGIT(*q)) | |
4790 | width = width * 10 + (*q++ - '0'); | |
4791 | break; | |
4792 | ||
4793 | case '*': | |
4794 | if (args) | |
4795 | i = va_arg(*args, int); | |
4796 | else | |
4797 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4798 | left |= (i < 0); | |
4799 | width = (i < 0) ? -i : i; | |
4800 | q++; | |
4801 | break; | |
4802 | } | |
4803 | ||
4804 | /* PRECISION */ | |
46fc3d4c | 4805 | |
fc36a67e | 4806 | if (*q == '.') { |
4807 | q++; | |
4808 | if (*q == '*') { | |
46fc3d4c | 4809 | if (args) |
4810 | i = va_arg(*args, int); | |
4811 | else | |
4812 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4813 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4814 | q++; |
fc36a67e | 4815 | } |
4816 | else { | |
4817 | precis = 0; | |
4818 | while (isDIGIT(*q)) | |
4819 | precis = precis * 10 + (*q++ - '0'); | |
4820 | } | |
4821 | has_precis = TRUE; | |
4822 | } | |
46fc3d4c | 4823 | |
fc36a67e | 4824 | /* SIZE */ |
46fc3d4c | 4825 | |
fc36a67e | 4826 | switch (*q) { |
4827 | case 'l': | |
cf2093f6 JH |
4828 | #ifdef HAS_QUAD |
4829 | if (*(q + 1) == 'l') { /* lld */ | |
fc36a67e | 4830 | intsize = 'q'; |
4831 | q += 2; | |
46fc3d4c | 4832 | break; |
cf2093f6 JH |
4833 | } |
4834 | case 'L': /* Ld */ | |
4835 | case 'q': /* qd */ | |
4836 | intsize = 'q'; | |
4837 | q++; | |
4838 | break; | |
fc36a67e | 4839 | #endif |
fc36a67e | 4840 | case 'h': |
cf2093f6 | 4841 | /* FALL THROUGH */ |
fc36a67e | 4842 | case 'V': |
4843 | intsize = *q++; | |
46fc3d4c | 4844 | break; |
4845 | } | |
4846 | ||
fc36a67e | 4847 | /* CONVERSION */ |
4848 | ||
46fc3d4c | 4849 | switch (c = *q++) { |
4850 | ||
4851 | /* STRINGS */ | |
4852 | ||
4853 | case '%': | |
4854 | eptr = q - 1; | |
4855 | elen = 1; | |
4856 | goto string; | |
4857 | ||
4858 | case 'c': | |
a0ed51b3 LW |
4859 | if (IN_UTF8) { |
4860 | if (args) | |
4861 | uv = va_arg(*args, int); | |
4862 | else | |
4863 | uv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4864 | ||
dfe13c55 GS |
4865 | eptr = (char*)utf8buf; |
4866 | elen = uv_to_utf8((U8*)eptr, uv) - utf8buf; | |
a0ed51b3 LW |
4867 | goto string; |
4868 | } | |
46fc3d4c | 4869 | if (args) |
4870 | c = va_arg(*args, int); | |
4871 | else | |
4872 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4873 | eptr = &c; | |
4874 | elen = 1; | |
4875 | goto string; | |
4876 | ||
46fc3d4c | 4877 | case 's': |
4878 | if (args) { | |
fc36a67e | 4879 | eptr = va_arg(*args, char*); |
c635e13b | 4880 | if (eptr) |
4881 | elen = strlen(eptr); | |
4882 | else { | |
4883 | eptr = nullstr; | |
4884 | elen = sizeof nullstr - 1; | |
4885 | } | |
46fc3d4c | 4886 | } |
a0ed51b3 | 4887 | else if (svix < svmax) { |
46fc3d4c | 4888 | eptr = SvPVx(svargs[svix++], elen); |
a0ed51b3 LW |
4889 | if (IN_UTF8) { |
4890 | if (has_precis && precis < elen) { | |
4891 | I32 p = precis; | |
4892 | sv_pos_u2b(svargs[svix - 1], &p, 0); /* sticks at end */ | |
4893 | precis = p; | |
4894 | } | |
4895 | if (width) { /* fudge width (can't fudge elen) */ | |
4896 | width += elen - sv_len_utf8(svargs[svix - 1]); | |
4897 | } | |
4898 | } | |
4899 | } | |
46fc3d4c | 4900 | goto string; |
4901 | ||
fc36a67e | 4902 | case '_': |
4903 | /* | |
4904 | * The "%_" hack might have to be changed someday, | |
4905 | * if ISO or ANSI decide to use '_' for something. | |
4906 | * So we keep it hidden from users' code. | |
4907 | */ | |
4908 | if (!args) | |
4909 | goto unknown; | |
4910 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4911 | ||
46fc3d4c | 4912 | string: |
4913 | if (has_precis && elen > precis) | |
4914 | elen = precis; | |
4915 | break; | |
4916 | ||
4917 | /* INTEGERS */ | |
4918 | ||
fc36a67e | 4919 | case 'p': |
4920 | if (args) | |
4921 | uv = (UV)va_arg(*args, void*); | |
4922 | else | |
4923 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4924 | base = 16; | |
4925 | goto integer; | |
4926 | ||
46fc3d4c | 4927 | case 'D': |
4928 | intsize = 'l'; | |
4929 | /* FALL THROUGH */ | |
4930 | case 'd': | |
4931 | case 'i': | |
4932 | if (args) { | |
4933 | switch (intsize) { | |
4934 | case 'h': iv = (short)va_arg(*args, int); break; | |
77fbe705 JH |
4935 | #ifdef IV_IS_QUAD |
4936 | default: iv = va_arg(*args, IV); break; | |
4937 | #else | |
46fc3d4c | 4938 | default: iv = va_arg(*args, int); break; |
77fbe705 | 4939 | #endif |
46fc3d4c | 4940 | case 'l': iv = va_arg(*args, long); break; |
fc36a67e | 4941 | case 'V': iv = va_arg(*args, IV); break; |
cf2093f6 JH |
4942 | #ifdef HAS_QUAD |
4943 | case 'q': iv = va_arg(*args, Quad_t); break; | |
4944 | #endif | |
46fc3d4c | 4945 | } |
4946 | } | |
4947 | else { | |
4948 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4949 | switch (intsize) { | |
4950 | case 'h': iv = (short)iv; break; | |
77fbe705 JH |
4951 | #ifdef IV_IS_QUAD |
4952 | default: break; | |
4953 | #else | |
46fc3d4c | 4954 | default: iv = (int)iv; break; |
77fbe705 | 4955 | #endif |
46fc3d4c | 4956 | case 'l': iv = (long)iv; break; |
fc36a67e | 4957 | case 'V': break; |
cf2093f6 JH |
4958 | #ifdef HAS_QUAD |
4959 | case 'q': iv = (Quad_t)iv; break; | |
4960 | #endif | |
46fc3d4c | 4961 | } |
4962 | } | |
4963 | if (iv >= 0) { | |
4964 | uv = iv; | |
4965 | if (plus) | |
4966 | esignbuf[esignlen++] = plus; | |
4967 | } | |
4968 | else { | |
4969 | uv = -iv; | |
4970 | esignbuf[esignlen++] = '-'; | |
4971 | } | |
4972 | base = 10; | |
4973 | goto integer; | |
4974 | ||
fc36a67e | 4975 | case 'U': |
4976 | intsize = 'l'; | |
4977 | /* FALL THROUGH */ | |
4978 | case 'u': | |
4979 | base = 10; | |
4980 | goto uns_integer; | |
4981 | ||
4f19785b WSI |
4982 | case 'b': |
4983 | base = 2; | |
4984 | goto uns_integer; | |
4985 | ||
46fc3d4c | 4986 | case 'O': |
4987 | intsize = 'l'; | |
4988 | /* FALL THROUGH */ | |
4989 | case 'o': | |
4990 | base = 8; | |
4991 | goto uns_integer; | |
4992 | ||
4993 | case 'X': | |
46fc3d4c | 4994 | case 'x': |
4995 | base = 16; | |
46fc3d4c | 4996 | |
4997 | uns_integer: | |
4998 | if (args) { | |
4999 | switch (intsize) { | |
5000 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
77fbe705 JH |
5001 | #ifdef UV_IS_QUAD |
5002 | default: uv = va_arg(*args, UV); break; | |
5003 | #else | |
46fc3d4c | 5004 | default: uv = va_arg(*args, unsigned); break; |
77fbe705 | 5005 | #endif |
46fc3d4c | 5006 | case 'l': uv = va_arg(*args, unsigned long); break; |
fc36a67e | 5007 | case 'V': uv = va_arg(*args, UV); break; |
cf2093f6 JH |
5008 | #ifdef HAS_QUAD |
5009 | case 'q': uv = va_arg(*args, Quad_t); break; | |
5010 | #endif | |
46fc3d4c | 5011 | } |
5012 | } | |
5013 | else { | |
5014 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
5015 | switch (intsize) { | |
5016 | case 'h': uv = (unsigned short)uv; break; | |
77fbe705 JH |
5017 | #ifdef UV_IS_QUAD |
5018 | default: break; | |
5019 | #else | |
46fc3d4c | 5020 | default: uv = (unsigned)uv; break; |
77fbe705 | 5021 | #endif |
46fc3d4c | 5022 | case 'l': uv = (unsigned long)uv; break; |
fc36a67e | 5023 | case 'V': break; |
cf2093f6 JH |
5024 | #ifdef HAS_QUAD |
5025 | case 'q': uv = (Quad_t)uv; break; | |
5026 | #endif | |
46fc3d4c | 5027 | } |
5028 | } | |
5029 | ||
5030 | integer: | |
46fc3d4c | 5031 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 5032 | switch (base) { |
5033 | unsigned dig; | |
5034 | case 16: | |
c10ed8b9 HS |
5035 | if (!uv) |
5036 | alt = FALSE; | |
fc36a67e | 5037 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
5038 | do { | |
5039 | dig = uv & 15; | |
5040 | *--eptr = p[dig]; | |
5041 | } while (uv >>= 4); | |
5042 | if (alt) { | |
46fc3d4c | 5043 | esignbuf[esignlen++] = '0'; |
fc36a67e | 5044 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 5045 | } |
fc36a67e | 5046 | break; |
5047 | case 8: | |
5048 | do { | |
5049 | dig = uv & 7; | |
5050 | *--eptr = '0' + dig; | |
5051 | } while (uv >>= 3); | |
5052 | if (alt && *eptr != '0') | |
5053 | *--eptr = '0'; | |
5054 | break; | |
4f19785b WSI |
5055 | case 2: |
5056 | do { | |
5057 | dig = uv & 1; | |
5058 | *--eptr = '0' + dig; | |
5059 | } while (uv >>= 1); | |
5060 | if (alt && *eptr != '0') | |
5061 | *--eptr = '0'; | |
5062 | break; | |
fc36a67e | 5063 | default: /* it had better be ten or less */ |
5064 | do { | |
5065 | dig = uv % base; | |
5066 | *--eptr = '0' + dig; | |
5067 | } while (uv /= base); | |
5068 | break; | |
46fc3d4c | 5069 | } |
5070 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
5071 | if (has_precis) { |
5072 | if (precis > elen) | |
5073 | zeros = precis - elen; | |
5074 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
5075 | elen = 0; | |
5076 | } | |
46fc3d4c | 5077 | break; |
5078 | ||
5079 | /* FLOATING POINT */ | |
5080 | ||
fc36a67e | 5081 | case 'F': |
5082 | c = 'f'; /* maybe %F isn't supported here */ | |
5083 | /* FALL THROUGH */ | |
46fc3d4c | 5084 | case 'e': case 'E': |
fc36a67e | 5085 | case 'f': |
46fc3d4c | 5086 | case 'g': case 'G': |
5087 | ||
5088 | /* This is evil, but floating point is even more evil */ | |
5089 | ||
fc36a67e | 5090 | if (args) |
65202027 | 5091 | nv = va_arg(*args, NV); |
fc36a67e | 5092 | else |
5093 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
5094 | ||
5095 | need = 0; | |
5096 | if (c != 'e' && c != 'E') { | |
5097 | i = PERL_INT_MIN; | |
5098 | (void)frexp(nv, &i); | |
5099 | if (i == PERL_INT_MIN) | |
cea2e8a9 | 5100 | Perl_die(aTHX_ "panic: frexp"); |
c635e13b | 5101 | if (i > 0) |
fc36a67e | 5102 | need = BIT_DIGITS(i); |
5103 | } | |
5104 | need += has_precis ? precis : 6; /* known default */ | |
5105 | if (need < width) | |
5106 | need = width; | |
5107 | ||
46fc3d4c | 5108 | need += 20; /* fudge factor */ |
80252599 GS |
5109 | if (PL_efloatsize < need) { |
5110 | Safefree(PL_efloatbuf); | |
5111 | PL_efloatsize = need + 20; /* more fudge */ | |
5112 | New(906, PL_efloatbuf, PL_efloatsize, char); | |
46fc3d4c | 5113 | } |
5114 | ||
5115 | eptr = ebuf + sizeof ebuf; | |
5116 | *--eptr = '\0'; | |
5117 | *--eptr = c; | |
65202027 | 5118 | #ifdef USE_LONG_DOUBLE |
cf2093f6 JH |
5119 | { |
5120 | char* p = PRIfldbl + sizeof(PRIfldbl) - 3; | |
5121 | while (p >= PRIfldbl) { *--eptr = *p-- } | |
5122 | } | |
65202027 | 5123 | #endif |
46fc3d4c | 5124 | if (has_precis) { |
5125 | base = precis; | |
5126 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
5127 | *--eptr = '.'; | |
5128 | } | |
5129 | if (width) { | |
5130 | base = width; | |
5131 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
5132 | } | |
5133 | if (fill == '0') | |
5134 | *--eptr = fill; | |
84902520 TB |
5135 | if (left) |
5136 | *--eptr = '-'; | |
46fc3d4c | 5137 | if (plus) |
5138 | *--eptr = plus; | |
5139 | if (alt) | |
5140 | *--eptr = '#'; | |
5141 | *--eptr = '%'; | |
5142 | ||
097ee67d JH |
5143 | { |
5144 | RESTORE_NUMERIC_STANDARD(); | |
5145 | (void)sprintf(PL_efloatbuf, eptr, nv); | |
5146 | RESTORE_NUMERIC_LOCAL(); | |
5147 | } | |
46fc3d4c | 5148 | |
80252599 GS |
5149 | eptr = PL_efloatbuf; |
5150 | elen = strlen(PL_efloatbuf); | |
46fc3d4c | 5151 | |
5152 | #ifdef LC_NUMERIC | |
5153 | /* | |
5154 | * User-defined locales may include arbitrary characters. | |
5155 | * And, unfortunately, some system may alloc the "C" locale | |
5156 | * to be overridden by a malicious user. | |
5157 | */ | |
5158 | if (used_locale) | |
5159 | *used_locale = TRUE; | |
5160 | #endif /* LC_NUMERIC */ | |
5161 | ||
5162 | break; | |
5163 | ||
fc36a67e | 5164 | /* SPECIAL */ |
5165 | ||
5166 | case 'n': | |
5167 | i = SvCUR(sv) - origlen; | |
5168 | if (args) { | |
c635e13b | 5169 | switch (intsize) { |
5170 | case 'h': *(va_arg(*args, short*)) = i; break; | |
77fbe705 JH |
5171 | #ifdef IV_IS_QUAD |
5172 | default: *(va_arg(*args, IV*)) = i; break; | |
5173 | #else | |
c635e13b | 5174 | default: *(va_arg(*args, int*)) = i; break; |
77fbe705 | 5175 | #endif |
c635e13b | 5176 | case 'l': *(va_arg(*args, long*)) = i; break; |
5177 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
cf2093f6 JH |
5178 | #ifdef HAS_QUAD |
5179 | case 'q': *(va_arg(*args, Quad_t*)) = i; break; | |
5180 | #endif | |
c635e13b | 5181 | } |
fc36a67e | 5182 | } |
5183 | else if (svix < svmax) | |
5184 | sv_setuv(svargs[svix++], (UV)i); | |
5185 | continue; /* not "break" */ | |
5186 | ||
5187 | /* UNKNOWN */ | |
5188 | ||
46fc3d4c | 5189 | default: |
fc36a67e | 5190 | unknown: |
599cee73 | 5191 | if (!args && ckWARN(WARN_PRINTF) && |
533c011a | 5192 | (PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) { |
c635e13b | 5193 | SV *msg = sv_newmortal(); |
cea2e8a9 | 5194 | Perl_sv_setpvf(aTHX_ msg, "Invalid conversion in %s: ", |
533c011a | 5195 | (PL_op->op_type == OP_PRTF) ? "printf" : "sprintf"); |
0f4b6630 JH |
5196 | if (c) { |
5197 | #ifdef UV_IS_QUAD | |
5198 | if (isPRINT(c)) | |
5199 | Perl_sv_catpvf(aTHX_ msg, | |
5200 | "\"%%%c\"", c & 0xFF); | |
5201 | else | |
5202 | Perl_sv_catpvf(aTHX_ msg, | |
5203 | "\"%%\\%03" PERL_PRIo64 "\"", | |
5204 | (UV)c & 0xFF); | |
5205 | #else | |
5206 | Perl_sv_catpvf(aTHX_ msg, isPRINT(c) ? | |
5207 | "\"%%%c\"" : "\"%%\\%03o\"", | |
5208 | c & 0xFF); | |
5209 | #endif | |
5210 | } else | |
c635e13b | 5211 | sv_catpv(msg, "end of string"); |
cea2e8a9 | 5212 | Perl_warner(aTHX_ WARN_PRINTF, "%_", msg); /* yes, this is reentrant */ |
c635e13b | 5213 | } |
fb73857a | 5214 | |
5215 | /* output mangled stuff ... */ | |
5216 | if (c == '\0') | |
5217 | --q; | |
46fc3d4c | 5218 | eptr = p; |
5219 | elen = q - p; | |
fb73857a | 5220 | |
5221 | /* ... right here, because formatting flags should not apply */ | |
5222 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
5223 | p = SvEND(sv); | |
5224 | memcpy(p, eptr, elen); | |
5225 | p += elen; | |
5226 | *p = '\0'; | |
5227 | SvCUR(sv) = p - SvPVX(sv); | |
5228 | continue; /* not "break" */ | |
46fc3d4c | 5229 | } |
5230 | ||
fc36a67e | 5231 | have = esignlen + zeros + elen; |
46fc3d4c | 5232 | need = (have > width ? have : width); |
5233 | gap = need - have; | |
5234 | ||
7bc39d62 | 5235 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 5236 | p = SvEND(sv); |
5237 | if (esignlen && fill == '0') { | |
5238 | for (i = 0; i < esignlen; i++) | |
5239 | *p++ = esignbuf[i]; | |
5240 | } | |
5241 | if (gap && !left) { | |
5242 | memset(p, fill, gap); | |
5243 | p += gap; | |
5244 | } | |
5245 | if (esignlen && fill != '0') { | |
5246 | for (i = 0; i < esignlen; i++) | |
5247 | *p++ = esignbuf[i]; | |
5248 | } | |
fc36a67e | 5249 | if (zeros) { |
5250 | for (i = zeros; i; i--) | |
5251 | *p++ = '0'; | |
5252 | } | |
46fc3d4c | 5253 | if (elen) { |
5254 | memcpy(p, eptr, elen); | |
5255 | p += elen; | |
5256 | } | |
5257 | if (gap && left) { | |
5258 | memset(p, ' ', gap); | |
5259 | p += gap; | |
5260 | } | |
5261 | *p = '\0'; | |
5262 | SvCUR(sv) = p - SvPVX(sv); | |
5263 | } | |
5264 | } | |
51371543 GS |
5265 | |
5266 | ||
5267 | #ifdef PERL_OBJECT | |
5268 | #define NO_XSLOCKS | |
5269 | #include "XSUB.h" | |
5270 | #endif | |
5271 | ||
5272 | static void | |
5273 | do_report_used(pTHXo_ SV *sv) | |
5274 | { | |
5275 | if (SvTYPE(sv) != SVTYPEMASK) { | |
5276 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ | |
5277 | PerlIO_printf(PerlIO_stderr(), "****\n"); | |
5278 | sv_dump(sv); | |
5279 | } | |
5280 | } | |
5281 | ||
5282 | static void | |
5283 | do_clean_objs(pTHXo_ SV *sv) | |
5284 | { | |
5285 | SV* rv; | |
5286 | ||
5287 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { | |
5288 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) | |
5289 | SvROK_off(sv); | |
5290 | SvRV(sv) = 0; | |
5291 | SvREFCNT_dec(rv); | |
5292 | } | |
5293 | ||
5294 | /* XXX Might want to check arrays, etc. */ | |
5295 | } | |
5296 | ||
5297 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
5298 | static void | |
5299 | do_clean_named_objs(pTHXo_ SV *sv) | |
5300 | { | |
5301 | if (SvTYPE(sv) == SVt_PVGV) { | |
5302 | if ( SvOBJECT(GvSV(sv)) || | |
5303 | GvAV(sv) && SvOBJECT(GvAV(sv)) || | |
5304 | GvHV(sv) && SvOBJECT(GvHV(sv)) || | |
5305 | GvIO(sv) && SvOBJECT(GvIO(sv)) || | |
5306 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) | |
5307 | { | |
5308 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) | |
5309 | SvREFCNT_dec(sv); | |
5310 | } | |
5311 | } | |
5312 | } | |
5313 | #endif | |
5314 | ||
5315 | static void | |
5316 | do_clean_all(pTHXo_ SV *sv) | |
5317 | { | |
5318 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%lx\n", sv) );) | |
5319 | SvFLAGS(sv) |= SVf_BREAK; | |
5320 | SvREFCNT_dec(sv); | |
5321 | } | |
5322 |