Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* sv.c |
79072805 | 2 | * |
9607fc9c | 3 | * Copyright (c) 1991-1997, 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" | |
15 | #include "perl.h" | |
79072805 | 16 | |
c07a80fd | 17 | #ifdef OVR_DBL_DIG |
18 | /* Use an overridden DBL_DIG */ | |
19 | # ifdef DBL_DIG | |
20 | # undef DBL_DIG | |
21 | # endif | |
22 | # define DBL_DIG OVR_DBL_DIG | |
23 | #else | |
a0d0e21e LW |
24 | /* The following is all to get DBL_DIG, in order to pick a nice |
25 | default value for printing floating point numbers in Gconvert. | |
26 | (see config.h) | |
27 | */ | |
28 | #ifdef I_LIMITS | |
29 | #include <limits.h> | |
30 | #endif | |
31 | #ifdef I_FLOAT | |
32 | #include <float.h> | |
33 | #endif | |
34 | #ifndef HAS_DBL_DIG | |
35 | #define DBL_DIG 15 /* A guess that works lots of places */ | |
36 | #endif | |
c07a80fd | 37 | #endif |
38 | ||
76e3520e GS |
39 | #ifdef PERL_OBJECT |
40 | #define FCALL this->*f | |
41 | #define VTBL this->*vtbl | |
42 | ||
43 | #else /* !PERL_OBJECT */ | |
44 | ||
36477c24 | 45 | static IV asIV _((SV* sv)); |
46 | static UV asUV _((SV* sv)); | |
a0d0e21e | 47 | static SV *more_sv _((void)); |
cbe51380 GS |
48 | static void more_xiv _((void)); |
49 | static void more_xnv _((void)); | |
50 | static void more_xpv _((void)); | |
51 | static void more_xrv _((void)); | |
a0d0e21e LW |
52 | static XPVIV *new_xiv _((void)); |
53 | static XPVNV *new_xnv _((void)); | |
54 | static XPV *new_xpv _((void)); | |
55 | static XRV *new_xrv _((void)); | |
56 | static void del_xiv _((XPVIV* p)); | |
57 | static void del_xnv _((XPVNV* p)); | |
58 | static void del_xpv _((XPV* p)); | |
59 | static void del_xrv _((XRV* p)); | |
60 | static void sv_mortalgrow _((void)); | |
a0d0e21e | 61 | static void sv_unglob _((SV* sv)); |
0f15f207 | 62 | static void sv_check_thinkfirst _((SV *sv)); |
a0d0e21e | 63 | |
d665c133 GS |
64 | #ifndef PURIFY |
65 | static void *my_safemalloc(MEM_SIZE size); | |
66 | #endif | |
67 | ||
4561caa4 | 68 | typedef void (*SVFUNC) _((SV*)); |
76e3520e GS |
69 | #define VTBL *vtbl |
70 | #define FCALL *f | |
71 | ||
72 | #endif /* PERL_OBJECT */ | |
4561caa4 | 73 | |
2c5424a7 GS |
74 | #define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_check_thinkfirst(sv) |
75 | ||
a0d0e21e | 76 | #ifdef PURIFY |
79072805 | 77 | |
4561caa4 CS |
78 | #define new_SV(p) \ |
79 | do { \ | |
940cb80d | 80 | LOCK_SV_MUTEX; \ |
4561caa4 CS |
81 | (p) = (SV*)safemalloc(sizeof(SV)); \ |
82 | reg_add(p); \ | |
940cb80d | 83 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
84 | } while (0) |
85 | ||
86 | #define del_SV(p) \ | |
87 | do { \ | |
940cb80d | 88 | LOCK_SV_MUTEX; \ |
4561caa4 | 89 | reg_remove(p); \ |
6ad3d225 | 90 | Safefree((char*)(p)); \ |
940cb80d | 91 | UNLOCK_SV_MUTEX; \ |
4561caa4 CS |
92 | } while (0) |
93 | ||
94 | static SV **registry; | |
00db4c45 | 95 | static I32 registry_size; |
4561caa4 CS |
96 | |
97 | #define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size)) | |
98 | ||
99 | #define REG_REPLACE(sv,a,b) \ | |
100 | do { \ | |
101 | void* p = sv->sv_any; \ | |
00db4c45 | 102 | I32 h = REGHASH(sv, registry_size); \ |
4561caa4 CS |
103 | I32 i = h; \ |
104 | while (registry[i] != (a)) { \ | |
00db4c45 | 105 | if (++i >= registry_size) \ |
4561caa4 CS |
106 | i = 0; \ |
107 | if (i == h) \ | |
108 | die("SV registry bug"); \ | |
109 | } \ | |
110 | registry[i] = (b); \ | |
111 | } while (0) | |
112 | ||
113 | #define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv) | |
114 | #define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv) | |
115 | ||
116 | static void | |
117 | reg_add(sv) | |
118 | SV* sv; | |
119 | { | |
3280af22 | 120 | if (PL_sv_count >= (registry_size >> 1)) |
4561caa4 CS |
121 | { |
122 | SV **oldreg = registry; | |
00db4c45 | 123 | I32 oldsize = registry_size; |
4561caa4 | 124 | |
00db4c45 GS |
125 | registry_size = registry_size ? ((registry_size << 2) + 1) : 2037; |
126 | Newz(707, registry, registry_size, SV*); | |
4561caa4 CS |
127 | |
128 | if (oldreg) { | |
129 | I32 i; | |
130 | ||
131 | for (i = 0; i < oldsize; ++i) { | |
132 | SV* oldsv = oldreg[i]; | |
133 | if (oldsv) | |
134 | REG_ADD(oldsv); | |
135 | } | |
136 | Safefree(oldreg); | |
137 | } | |
138 | } | |
139 | ||
140 | REG_ADD(sv); | |
3280af22 | 141 | ++PL_sv_count; |
4561caa4 CS |
142 | } |
143 | ||
144 | static void | |
145 | reg_remove(sv) | |
146 | SV* sv; | |
147 | { | |
148 | REG_REMOVE(sv); | |
3280af22 | 149 | --PL_sv_count; |
4561caa4 CS |
150 | } |
151 | ||
152 | static void | |
153 | visit(f) | |
154 | SVFUNC f; | |
155 | { | |
156 | I32 i; | |
157 | ||
00db4c45 | 158 | for (i = 0; i < registry_size; ++i) { |
4561caa4 | 159 | SV* sv = registry[i]; |
00db4c45 | 160 | if (sv && SvTYPE(sv) != SVTYPEMASK) |
4561caa4 CS |
161 | (*f)(sv); |
162 | } | |
163 | } | |
a0d0e21e | 164 | |
4633a7c4 LW |
165 | void |
166 | sv_add_arena(ptr, size, flags) | |
167 | char* ptr; | |
168 | U32 size; | |
169 | U32 flags; | |
170 | { | |
171 | if (!(flags & SVf_FAKE)) | |
6ad3d225 | 172 | Safefree(ptr); |
4633a7c4 LW |
173 | } |
174 | ||
4561caa4 CS |
175 | #else /* ! PURIFY */ |
176 | ||
177 | /* | |
178 | * "A time to plant, and a time to uproot what was planted..." | |
179 | */ | |
180 | ||
181 | #define plant_SV(p) \ | |
182 | do { \ | |
3280af22 | 183 | SvANY(p) = (void *)PL_sv_root; \ |
4561caa4 | 184 | SvFLAGS(p) = SVTYPEMASK; \ |
3280af22 NIS |
185 | PL_sv_root = (p); \ |
186 | --PL_sv_count; \ | |
4561caa4 | 187 | } while (0) |
a0d0e21e | 188 | |
fba3b22e | 189 | /* sv_mutex must be held while calling uproot_SV() */ |
fc36a67e | 190 | #define uproot_SV(p) \ |
4561caa4 | 191 | do { \ |
3280af22 NIS |
192 | (p) = PL_sv_root; \ |
193 | PL_sv_root = (SV*)SvANY(p); \ | |
194 | ++PL_sv_count; \ | |
4561caa4 | 195 | } while (0) |
463ee0b2 | 196 | |
940cb80d MB |
197 | #define new_SV(p) do { \ |
198 | LOCK_SV_MUTEX; \ | |
3280af22 | 199 | if (PL_sv_root) \ |
940cb80d MB |
200 | uproot_SV(p); \ |
201 | else \ | |
202 | (p) = more_sv(); \ | |
203 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 204 | } while (0) |
463ee0b2 | 205 | |
a0d0e21e | 206 | #ifdef DEBUGGING |
4561caa4 | 207 | |
940cb80d MB |
208 | #define del_SV(p) do { \ |
209 | LOCK_SV_MUTEX; \ | |
3280af22 | 210 | if (PL_debug & 32768) \ |
940cb80d MB |
211 | del_sv(p); \ |
212 | else \ | |
213 | plant_SV(p); \ | |
214 | UNLOCK_SV_MUTEX; \ | |
fba3b22e | 215 | } while (0) |
a0d0e21e | 216 | |
76e3520e | 217 | STATIC void |
8ac85365 | 218 | del_sv(SV *p) |
463ee0b2 | 219 | { |
3280af22 | 220 | if (PL_debug & 32768) { |
4633a7c4 | 221 | SV* sva; |
a0d0e21e LW |
222 | SV* sv; |
223 | SV* svend; | |
224 | int ok = 0; | |
3280af22 | 225 | for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) { |
4633a7c4 LW |
226 | sv = sva + 1; |
227 | svend = &sva[SvREFCNT(sva)]; | |
a0d0e21e LW |
228 | if (p >= sv && p < svend) |
229 | ok = 1; | |
230 | } | |
231 | if (!ok) { | |
232 | warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p); | |
233 | return; | |
234 | } | |
235 | } | |
4561caa4 | 236 | plant_SV(p); |
463ee0b2 | 237 | } |
a0d0e21e | 238 | |
4561caa4 CS |
239 | #else /* ! DEBUGGING */ |
240 | ||
241 | #define del_SV(p) plant_SV(p) | |
242 | ||
243 | #endif /* DEBUGGING */ | |
463ee0b2 | 244 | |
4633a7c4 | 245 | void |
8ac85365 | 246 | sv_add_arena(char *ptr, U32 size, U32 flags) |
463ee0b2 | 247 | { |
4633a7c4 | 248 | SV* sva = (SV*)ptr; |
463ee0b2 LW |
249 | register SV* sv; |
250 | register SV* svend; | |
4633a7c4 LW |
251 | Zero(sva, size, char); |
252 | ||
253 | /* The first SV in an arena isn't an SV. */ | |
3280af22 | 254 | SvANY(sva) = (void *) PL_sv_arenaroot; /* ptr to next arena */ |
4633a7c4 LW |
255 | SvREFCNT(sva) = size / sizeof(SV); /* number of SV slots */ |
256 | SvFLAGS(sva) = flags; /* FAKE if not to be freed */ | |
257 | ||
3280af22 NIS |
258 | PL_sv_arenaroot = sva; |
259 | PL_sv_root = sva + 1; | |
4633a7c4 LW |
260 | |
261 | svend = &sva[SvREFCNT(sva) - 1]; | |
262 | sv = sva + 1; | |
463ee0b2 | 263 | while (sv < svend) { |
a0d0e21e | 264 | SvANY(sv) = (void *)(SV*)(sv + 1); |
8990e307 | 265 | SvFLAGS(sv) = SVTYPEMASK; |
463ee0b2 LW |
266 | sv++; |
267 | } | |
268 | SvANY(sv) = 0; | |
4633a7c4 LW |
269 | SvFLAGS(sv) = SVTYPEMASK; |
270 | } | |
271 | ||
fba3b22e | 272 | /* sv_mutex must be held while calling more_sv() */ |
76e3520e | 273 | STATIC SV* |
8ac85365 | 274 | more_sv(void) |
4633a7c4 | 275 | { |
4561caa4 CS |
276 | register SV* sv; |
277 | ||
3280af22 NIS |
278 | if (PL_nice_chunk) { |
279 | sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0); | |
280 | PL_nice_chunk = Nullch; | |
c07a80fd | 281 | } |
1edc1566 | 282 | else { |
283 | char *chunk; /* must use New here to match call to */ | |
284 | New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */ | |
285 | sv_add_arena(chunk, 1008, 0); | |
286 | } | |
4561caa4 CS |
287 | uproot_SV(sv); |
288 | return sv; | |
463ee0b2 LW |
289 | } |
290 | ||
76e3520e | 291 | STATIC void |
8ac85365 | 292 | visit(SVFUNC f) |
8990e307 | 293 | { |
4633a7c4 | 294 | SV* sva; |
8990e307 LW |
295 | SV* sv; |
296 | register SV* svend; | |
297 | ||
3280af22 | 298 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { |
4633a7c4 | 299 | svend = &sva[SvREFCNT(sva)]; |
4561caa4 CS |
300 | for (sv = sva + 1; sv < svend; ++sv) { |
301 | if (SvTYPE(sv) != SVTYPEMASK) | |
76e3520e | 302 | (FCALL)(sv); |
8990e307 LW |
303 | } |
304 | } | |
305 | } | |
306 | ||
4561caa4 CS |
307 | #endif /* PURIFY */ |
308 | ||
76e3520e | 309 | STATIC void |
8ac85365 | 310 | do_report_used(SV *sv) |
4561caa4 CS |
311 | { |
312 | if (SvTYPE(sv) != SVTYPEMASK) { | |
d1bf51dd | 313 | /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */ |
4561caa4 CS |
314 | PerlIO_printf(PerlIO_stderr(), "****\n"); |
315 | sv_dump(sv); | |
316 | } | |
317 | } | |
318 | ||
8990e307 | 319 | void |
8ac85365 | 320 | sv_report_used(void) |
4561caa4 | 321 | { |
ac4c12e7 | 322 | visit(FUNC_NAME_TO_PTR(do_report_used)); |
4561caa4 CS |
323 | } |
324 | ||
76e3520e | 325 | STATIC void |
8ac85365 | 326 | do_clean_objs(SV *sv) |
8990e307 | 327 | { |
a0d0e21e | 328 | SV* rv; |
8990e307 | 329 | |
4561caa4 | 330 | if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) { |
d1bf51dd | 331 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));) |
4561caa4 CS |
332 | SvROK_off(sv); |
333 | SvRV(sv) = 0; | |
334 | SvREFCNT_dec(rv); | |
a5f75d66 | 335 | } |
4561caa4 CS |
336 | |
337 | /* XXX Might want to check arrays, etc. */ | |
338 | } | |
339 | ||
340 | #ifndef DISABLE_DESTRUCTOR_KLUDGE | |
76e3520e | 341 | STATIC void |
8ac85365 | 342 | do_clean_named_objs(SV *sv) |
4561caa4 | 343 | { |
51ae5c03 JPC |
344 | if (SvTYPE(sv) == SVt_PVGV) { |
345 | if ( SvOBJECT(GvSV(sv)) || | |
346 | GvAV(sv) && SvOBJECT(GvAV(sv)) || | |
347 | GvHV(sv) && SvOBJECT(GvHV(sv)) || | |
348 | GvIO(sv) && SvOBJECT(GvIO(sv)) || | |
349 | GvCV(sv) && SvOBJECT(GvCV(sv)) ) | |
350 | { | |
351 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));) | |
352 | SvREFCNT_dec(sv); | |
353 | } | |
51ae5c03 | 354 | } |
4561caa4 | 355 | } |
a5f75d66 | 356 | #endif |
4561caa4 CS |
357 | |
358 | void | |
8ac85365 | 359 | sv_clean_objs(void) |
4561caa4 | 360 | { |
3280af22 | 361 | PL_in_clean_objs = TRUE; |
2d0f3c12 | 362 | visit(FUNC_NAME_TO_PTR(do_clean_objs)); |
4561caa4 | 363 | #ifndef DISABLE_DESTRUCTOR_KLUDGE |
2d0f3c12 | 364 | /* some barnacles may yet remain, clinging to typeglobs */ |
ac4c12e7 | 365 | visit(FUNC_NAME_TO_PTR(do_clean_named_objs)); |
4561caa4 | 366 | #endif |
3280af22 | 367 | PL_in_clean_objs = FALSE; |
4561caa4 CS |
368 | } |
369 | ||
76e3520e | 370 | STATIC void |
8ac85365 | 371 | do_clean_all(SV *sv) |
4561caa4 | 372 | { |
01bc8b8d | 373 | DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%lx\n", sv) );) |
4561caa4 CS |
374 | SvFLAGS(sv) |= SVf_BREAK; |
375 | SvREFCNT_dec(sv); | |
8990e307 LW |
376 | } |
377 | ||
378 | void | |
8ac85365 | 379 | sv_clean_all(void) |
8990e307 | 380 | { |
3280af22 | 381 | PL_in_clean_all = TRUE; |
ac4c12e7 | 382 | visit(FUNC_NAME_TO_PTR(do_clean_all)); |
3280af22 | 383 | PL_in_clean_all = FALSE; |
8990e307 | 384 | } |
463ee0b2 | 385 | |
4633a7c4 | 386 | void |
8ac85365 | 387 | sv_free_arenas(void) |
4633a7c4 LW |
388 | { |
389 | SV* sva; | |
390 | SV* svanext; | |
391 | ||
392 | /* Free arenas here, but be careful about fake ones. (We assume | |
393 | contiguity of the fake ones with the corresponding real ones.) */ | |
394 | ||
3280af22 | 395 | for (sva = PL_sv_arenaroot; sva; sva = svanext) { |
4633a7c4 LW |
396 | svanext = (SV*) SvANY(sva); |
397 | while (svanext && SvFAKE(svanext)) | |
398 | svanext = (SV*) SvANY(svanext); | |
399 | ||
400 | if (!SvFAKE(sva)) | |
1edc1566 | 401 | Safefree((void *)sva); |
4633a7c4 | 402 | } |
5f05dabc | 403 | |
3280af22 NIS |
404 | if (PL_nice_chunk) |
405 | Safefree(PL_nice_chunk); | |
406 | PL_nice_chunk = Nullch; | |
407 | PL_nice_chunk_size = 0; | |
408 | PL_sv_arenaroot = 0; | |
409 | PL_sv_root = 0; | |
4633a7c4 LW |
410 | } |
411 | ||
76e3520e | 412 | STATIC XPVIV* |
8ac85365 | 413 | new_xiv(void) |
463ee0b2 | 414 | { |
ea7c11a3 | 415 | IV* xiv; |
cbe51380 GS |
416 | LOCK_SV_MUTEX; |
417 | if (!PL_xiv_root) | |
418 | more_xiv(); | |
419 | xiv = PL_xiv_root; | |
420 | /* | |
421 | * See comment in more_xiv() -- RAM. | |
422 | */ | |
423 | PL_xiv_root = *(IV**)xiv; | |
424 | UNLOCK_SV_MUTEX; | |
425 | return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv)); | |
463ee0b2 LW |
426 | } |
427 | ||
76e3520e | 428 | STATIC void |
8ac85365 | 429 | del_xiv(XPVIV *p) |
463ee0b2 | 430 | { |
23e6a22f | 431 | IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv)); |
cbe51380 | 432 | LOCK_SV_MUTEX; |
3280af22 NIS |
433 | *(IV**)xiv = PL_xiv_root; |
434 | PL_xiv_root = xiv; | |
cbe51380 | 435 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
436 | } |
437 | ||
cbe51380 | 438 | STATIC void |
8ac85365 | 439 | more_xiv(void) |
463ee0b2 | 440 | { |
ea7c11a3 SM |
441 | register IV* xiv; |
442 | register IV* xivend; | |
8c52afec IZ |
443 | XPV* ptr; |
444 | New(705, ptr, 1008/sizeof(XPV), XPV); | |
3280af22 NIS |
445 | ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */ |
446 | PL_xiv_arenaroot = ptr; /* to keep Purify happy */ | |
a0d0e21e | 447 | |
ea7c11a3 SM |
448 | xiv = (IV*) ptr; |
449 | xivend = &xiv[1008 / sizeof(IV) - 1]; | |
450 | xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */ | |
3280af22 | 451 | PL_xiv_root = xiv; |
463ee0b2 | 452 | while (xiv < xivend) { |
ea7c11a3 | 453 | *(IV**)xiv = (IV *)(xiv + 1); |
463ee0b2 LW |
454 | xiv++; |
455 | } | |
ea7c11a3 | 456 | *(IV**)xiv = 0; |
463ee0b2 LW |
457 | } |
458 | ||
76e3520e | 459 | STATIC XPVNV* |
8ac85365 | 460 | new_xnv(void) |
463ee0b2 LW |
461 | { |
462 | double* xnv; | |
cbe51380 GS |
463 | LOCK_SV_MUTEX; |
464 | if (!PL_xnv_root) | |
465 | more_xnv(); | |
466 | xnv = PL_xnv_root; | |
467 | PL_xnv_root = *(double**)xnv; | |
468 | UNLOCK_SV_MUTEX; | |
469 | return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv)); | |
463ee0b2 LW |
470 | } |
471 | ||
76e3520e | 472 | STATIC void |
8ac85365 | 473 | del_xnv(XPVNV *p) |
463ee0b2 | 474 | { |
23e6a22f | 475 | double* xnv = (double*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv)); |
cbe51380 | 476 | LOCK_SV_MUTEX; |
3280af22 NIS |
477 | *(double**)xnv = PL_xnv_root; |
478 | PL_xnv_root = xnv; | |
cbe51380 | 479 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
480 | } |
481 | ||
cbe51380 | 482 | STATIC void |
8ac85365 | 483 | more_xnv(void) |
463ee0b2 | 484 | { |
463ee0b2 LW |
485 | register double* xnv; |
486 | register double* xnvend; | |
8c52afec | 487 | New(711, xnv, 1008/sizeof(double), double); |
463ee0b2 LW |
488 | xnvend = &xnv[1008 / sizeof(double) - 1]; |
489 | xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */ | |
3280af22 | 490 | PL_xnv_root = xnv; |
463ee0b2 LW |
491 | while (xnv < xnvend) { |
492 | *(double**)xnv = (double*)(xnv + 1); | |
493 | xnv++; | |
494 | } | |
495 | *(double**)xnv = 0; | |
463ee0b2 LW |
496 | } |
497 | ||
76e3520e | 498 | STATIC XRV* |
8ac85365 | 499 | new_xrv(void) |
ed6116ce LW |
500 | { |
501 | XRV* xrv; | |
cbe51380 GS |
502 | LOCK_SV_MUTEX; |
503 | if (!PL_xrv_root) | |
504 | more_xrv(); | |
505 | xrv = PL_xrv_root; | |
506 | PL_xrv_root = (XRV*)xrv->xrv_rv; | |
507 | UNLOCK_SV_MUTEX; | |
508 | return xrv; | |
ed6116ce LW |
509 | } |
510 | ||
76e3520e | 511 | STATIC void |
8ac85365 | 512 | del_xrv(XRV *p) |
ed6116ce | 513 | { |
cbe51380 | 514 | LOCK_SV_MUTEX; |
3280af22 NIS |
515 | p->xrv_rv = (SV*)PL_xrv_root; |
516 | PL_xrv_root = p; | |
cbe51380 | 517 | UNLOCK_SV_MUTEX; |
ed6116ce LW |
518 | } |
519 | ||
cbe51380 | 520 | STATIC void |
8ac85365 | 521 | more_xrv(void) |
ed6116ce | 522 | { |
ed6116ce LW |
523 | register XRV* xrv; |
524 | register XRV* xrvend; | |
3280af22 NIS |
525 | New(712, PL_xrv_root, 1008/sizeof(XRV), XRV); |
526 | xrv = PL_xrv_root; | |
ed6116ce LW |
527 | xrvend = &xrv[1008 / sizeof(XRV) - 1]; |
528 | while (xrv < xrvend) { | |
529 | xrv->xrv_rv = (SV*)(xrv + 1); | |
530 | xrv++; | |
531 | } | |
532 | xrv->xrv_rv = 0; | |
ed6116ce LW |
533 | } |
534 | ||
76e3520e | 535 | STATIC XPV* |
8ac85365 | 536 | new_xpv(void) |
463ee0b2 LW |
537 | { |
538 | XPV* xpv; | |
cbe51380 GS |
539 | LOCK_SV_MUTEX; |
540 | if (!PL_xpv_root) | |
541 | more_xpv(); | |
542 | xpv = PL_xpv_root; | |
543 | PL_xpv_root = (XPV*)xpv->xpv_pv; | |
544 | UNLOCK_SV_MUTEX; | |
545 | return xpv; | |
463ee0b2 LW |
546 | } |
547 | ||
76e3520e | 548 | STATIC void |
8ac85365 | 549 | del_xpv(XPV *p) |
463ee0b2 | 550 | { |
cbe51380 | 551 | LOCK_SV_MUTEX; |
3280af22 NIS |
552 | p->xpv_pv = (char*)PL_xpv_root; |
553 | PL_xpv_root = p; | |
cbe51380 | 554 | UNLOCK_SV_MUTEX; |
463ee0b2 LW |
555 | } |
556 | ||
cbe51380 | 557 | STATIC void |
8ac85365 | 558 | more_xpv(void) |
463ee0b2 | 559 | { |
463ee0b2 LW |
560 | register XPV* xpv; |
561 | register XPV* xpvend; | |
3280af22 NIS |
562 | New(713, PL_xpv_root, 1008/sizeof(XPV), XPV); |
563 | xpv = PL_xpv_root; | |
463ee0b2 LW |
564 | xpvend = &xpv[1008 / sizeof(XPV) - 1]; |
565 | while (xpv < xpvend) { | |
566 | xpv->xpv_pv = (char*)(xpv + 1); | |
567 | xpv++; | |
568 | } | |
569 | xpv->xpv_pv = 0; | |
463ee0b2 LW |
570 | } |
571 | ||
572 | #ifdef PURIFY | |
8990e307 | 573 | #define new_XIV() (void*)safemalloc(sizeof(XPVIV)) |
6ad3d225 | 574 | #define del_XIV(p) Safefree((char*)p) |
463ee0b2 | 575 | #else |
85e6fe83 | 576 | #define new_XIV() (void*)new_xiv() |
8ac85365 | 577 | #define del_XIV(p) del_xiv((XPVIV*) p) |
463ee0b2 LW |
578 | #endif |
579 | ||
580 | #ifdef PURIFY | |
8990e307 | 581 | #define new_XNV() (void*)safemalloc(sizeof(XPVNV)) |
6ad3d225 | 582 | #define del_XNV(p) Safefree((char*)p) |
463ee0b2 | 583 | #else |
85e6fe83 | 584 | #define new_XNV() (void*)new_xnv() |
8ac85365 | 585 | #define del_XNV(p) del_xnv((XPVNV*) p) |
463ee0b2 LW |
586 | #endif |
587 | ||
588 | #ifdef PURIFY | |
8990e307 | 589 | #define new_XRV() (void*)safemalloc(sizeof(XRV)) |
6ad3d225 | 590 | #define del_XRV(p) Safefree((char*)p) |
ed6116ce | 591 | #else |
85e6fe83 | 592 | #define new_XRV() (void*)new_xrv() |
8ac85365 | 593 | #define del_XRV(p) del_xrv((XRV*) p) |
ed6116ce LW |
594 | #endif |
595 | ||
596 | #ifdef PURIFY | |
8990e307 | 597 | #define new_XPV() (void*)safemalloc(sizeof(XPV)) |
6ad3d225 | 598 | #define del_XPV(p) Safefree((char*)p) |
463ee0b2 | 599 | #else |
85e6fe83 | 600 | #define new_XPV() (void*)new_xpv() |
8ac85365 | 601 | #define del_XPV(p) del_xpv((XPV *)p) |
463ee0b2 LW |
602 | #endif |
603 | ||
8c52afec IZ |
604 | #ifdef PURIFY |
605 | # define my_safemalloc(s) safemalloc(s) | |
606 | # define my_safefree(s) free(s) | |
607 | #else | |
9d8a25dc | 608 | STATIC void* |
d665c133 | 609 | my_safemalloc(MEM_SIZE size) |
8c52afec IZ |
610 | { |
611 | char *p; | |
612 | New(717, p, size, char); | |
613 | return (void*)p; | |
614 | } | |
615 | # define my_safefree(s) Safefree(s) | |
616 | #endif | |
617 | ||
618 | #define new_XPVIV() (void*)my_safemalloc(sizeof(XPVIV)) | |
619 | #define del_XPVIV(p) my_safefree((char*)p) | |
620 | ||
621 | #define new_XPVNV() (void*)my_safemalloc(sizeof(XPVNV)) | |
622 | #define del_XPVNV(p) my_safefree((char*)p) | |
623 | ||
624 | #define new_XPVMG() (void*)my_safemalloc(sizeof(XPVMG)) | |
625 | #define del_XPVMG(p) my_safefree((char*)p) | |
626 | ||
627 | #define new_XPVLV() (void*)my_safemalloc(sizeof(XPVLV)) | |
628 | #define del_XPVLV(p) my_safefree((char*)p) | |
629 | ||
630 | #define new_XPVAV() (void*)my_safemalloc(sizeof(XPVAV)) | |
631 | #define del_XPVAV(p) my_safefree((char*)p) | |
632 | ||
633 | #define new_XPVHV() (void*)my_safemalloc(sizeof(XPVHV)) | |
634 | #define del_XPVHV(p) my_safefree((char*)p) | |
635 | ||
636 | #define new_XPVCV() (void*)my_safemalloc(sizeof(XPVCV)) | |
637 | #define del_XPVCV(p) my_safefree((char*)p) | |
638 | ||
639 | #define new_XPVGV() (void*)my_safemalloc(sizeof(XPVGV)) | |
640 | #define del_XPVGV(p) my_safefree((char*)p) | |
641 | ||
642 | #define new_XPVBM() (void*)my_safemalloc(sizeof(XPVBM)) | |
643 | #define del_XPVBM(p) my_safefree((char*)p) | |
644 | ||
645 | #define new_XPVFM() (void*)my_safemalloc(sizeof(XPVFM)) | |
646 | #define del_XPVFM(p) my_safefree((char*)p) | |
647 | ||
648 | #define new_XPVIO() (void*)my_safemalloc(sizeof(XPVIO)) | |
649 | #define del_XPVIO(p) my_safefree((char*)p) | |
8990e307 | 650 | |
79072805 | 651 | bool |
8ac85365 | 652 | sv_upgrade(register SV *sv, U32 mt) |
79072805 LW |
653 | { |
654 | char* pv; | |
655 | U32 cur; | |
656 | U32 len; | |
a0d0e21e | 657 | IV iv; |
79072805 LW |
658 | double nv; |
659 | MAGIC* magic; | |
660 | HV* stash; | |
661 | ||
662 | if (SvTYPE(sv) == mt) | |
663 | return TRUE; | |
664 | ||
a5f75d66 AD |
665 | if (mt < SVt_PVIV) |
666 | (void)SvOOK_off(sv); | |
667 | ||
79072805 LW |
668 | switch (SvTYPE(sv)) { |
669 | case SVt_NULL: | |
670 | pv = 0; | |
671 | cur = 0; | |
672 | len = 0; | |
673 | iv = 0; | |
674 | nv = 0.0; | |
675 | magic = 0; | |
676 | stash = 0; | |
677 | break; | |
79072805 LW |
678 | case SVt_IV: |
679 | pv = 0; | |
680 | cur = 0; | |
681 | len = 0; | |
463ee0b2 LW |
682 | iv = SvIVX(sv); |
683 | nv = (double)SvIVX(sv); | |
79072805 LW |
684 | del_XIV(SvANY(sv)); |
685 | magic = 0; | |
686 | stash = 0; | |
ed6116ce | 687 | if (mt == SVt_NV) |
463ee0b2 | 688 | mt = SVt_PVNV; |
ed6116ce LW |
689 | else if (mt < SVt_PVIV) |
690 | mt = SVt_PVIV; | |
79072805 LW |
691 | break; |
692 | case SVt_NV: | |
693 | pv = 0; | |
694 | cur = 0; | |
695 | len = 0; | |
463ee0b2 | 696 | nv = SvNVX(sv); |
97cc44eb | 697 | iv = (IV)nv; |
79072805 LW |
698 | magic = 0; |
699 | stash = 0; | |
700 | del_XNV(SvANY(sv)); | |
701 | SvANY(sv) = 0; | |
ed6116ce | 702 | if (mt < SVt_PVNV) |
79072805 LW |
703 | mt = SVt_PVNV; |
704 | break; | |
ed6116ce LW |
705 | case SVt_RV: |
706 | pv = (char*)SvRV(sv); | |
707 | cur = 0; | |
708 | len = 0; | |
a0d0e21e | 709 | iv = (IV)pv; |
ed6116ce LW |
710 | nv = (double)(unsigned long)pv; |
711 | del_XRV(SvANY(sv)); | |
712 | magic = 0; | |
713 | stash = 0; | |
714 | break; | |
79072805 | 715 | case SVt_PV: |
463ee0b2 | 716 | pv = SvPVX(sv); |
79072805 LW |
717 | cur = SvCUR(sv); |
718 | len = SvLEN(sv); | |
719 | iv = 0; | |
720 | nv = 0.0; | |
721 | magic = 0; | |
722 | stash = 0; | |
723 | del_XPV(SvANY(sv)); | |
748a9306 LW |
724 | if (mt <= SVt_IV) |
725 | mt = SVt_PVIV; | |
726 | else if (mt == SVt_NV) | |
727 | mt = SVt_PVNV; | |
79072805 LW |
728 | break; |
729 | case SVt_PVIV: | |
463ee0b2 | 730 | pv = SvPVX(sv); |
79072805 LW |
731 | cur = SvCUR(sv); |
732 | len = SvLEN(sv); | |
463ee0b2 | 733 | iv = SvIVX(sv); |
79072805 LW |
734 | nv = 0.0; |
735 | magic = 0; | |
736 | stash = 0; | |
737 | del_XPVIV(SvANY(sv)); | |
738 | break; | |
739 | case SVt_PVNV: | |
463ee0b2 | 740 | pv = SvPVX(sv); |
79072805 LW |
741 | cur = SvCUR(sv); |
742 | len = SvLEN(sv); | |
463ee0b2 LW |
743 | iv = SvIVX(sv); |
744 | nv = SvNVX(sv); | |
79072805 LW |
745 | magic = 0; |
746 | stash = 0; | |
747 | del_XPVNV(SvANY(sv)); | |
748 | break; | |
749 | case SVt_PVMG: | |
463ee0b2 | 750 | pv = SvPVX(sv); |
79072805 LW |
751 | cur = SvCUR(sv); |
752 | len = SvLEN(sv); | |
463ee0b2 LW |
753 | iv = SvIVX(sv); |
754 | nv = SvNVX(sv); | |
79072805 LW |
755 | magic = SvMAGIC(sv); |
756 | stash = SvSTASH(sv); | |
757 | del_XPVMG(SvANY(sv)); | |
758 | break; | |
759 | default: | |
463ee0b2 | 760 | croak("Can't upgrade that kind of scalar"); |
79072805 LW |
761 | } |
762 | ||
763 | switch (mt) { | |
764 | case SVt_NULL: | |
463ee0b2 | 765 | croak("Can't upgrade to undef"); |
79072805 LW |
766 | case SVt_IV: |
767 | SvANY(sv) = new_XIV(); | |
463ee0b2 | 768 | SvIVX(sv) = iv; |
79072805 LW |
769 | break; |
770 | case SVt_NV: | |
771 | SvANY(sv) = new_XNV(); | |
463ee0b2 | 772 | SvNVX(sv) = nv; |
79072805 | 773 | break; |
ed6116ce LW |
774 | case SVt_RV: |
775 | SvANY(sv) = new_XRV(); | |
776 | SvRV(sv) = (SV*)pv; | |
ed6116ce | 777 | break; |
79072805 LW |
778 | case SVt_PV: |
779 | SvANY(sv) = new_XPV(); | |
463ee0b2 | 780 | SvPVX(sv) = pv; |
79072805 LW |
781 | SvCUR(sv) = cur; |
782 | SvLEN(sv) = len; | |
783 | break; | |
784 | case SVt_PVIV: | |
785 | SvANY(sv) = new_XPVIV(); | |
463ee0b2 | 786 | SvPVX(sv) = pv; |
79072805 LW |
787 | SvCUR(sv) = cur; |
788 | SvLEN(sv) = len; | |
463ee0b2 | 789 | SvIVX(sv) = iv; |
79072805 | 790 | if (SvNIOK(sv)) |
a0d0e21e | 791 | (void)SvIOK_on(sv); |
79072805 LW |
792 | SvNOK_off(sv); |
793 | break; | |
794 | case SVt_PVNV: | |
795 | SvANY(sv) = new_XPVNV(); | |
463ee0b2 | 796 | SvPVX(sv) = pv; |
79072805 LW |
797 | SvCUR(sv) = cur; |
798 | SvLEN(sv) = len; | |
463ee0b2 LW |
799 | SvIVX(sv) = iv; |
800 | SvNVX(sv) = nv; | |
79072805 LW |
801 | break; |
802 | case SVt_PVMG: | |
803 | SvANY(sv) = new_XPVMG(); | |
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; | |
811 | break; | |
812 | case SVt_PVLV: | |
813 | SvANY(sv) = new_XPVLV(); | |
463ee0b2 | 814 | SvPVX(sv) = pv; |
79072805 LW |
815 | SvCUR(sv) = cur; |
816 | SvLEN(sv) = len; | |
463ee0b2 LW |
817 | SvIVX(sv) = iv; |
818 | SvNVX(sv) = nv; | |
79072805 LW |
819 | SvMAGIC(sv) = magic; |
820 | SvSTASH(sv) = stash; | |
821 | LvTARGOFF(sv) = 0; | |
822 | LvTARGLEN(sv) = 0; | |
823 | LvTARG(sv) = 0; | |
824 | LvTYPE(sv) = 0; | |
825 | break; | |
826 | case SVt_PVAV: | |
827 | SvANY(sv) = new_XPVAV(); | |
463ee0b2 LW |
828 | if (pv) |
829 | Safefree(pv); | |
2304df62 | 830 | SvPVX(sv) = 0; |
d1bf51dd | 831 | AvMAX(sv) = -1; |
93965878 | 832 | AvFILLp(sv) = -1; |
463ee0b2 LW |
833 | SvIVX(sv) = 0; |
834 | SvNVX(sv) = 0.0; | |
835 | SvMAGIC(sv) = magic; | |
836 | SvSTASH(sv) = stash; | |
837 | AvALLOC(sv) = 0; | |
79072805 LW |
838 | AvARYLEN(sv) = 0; |
839 | AvFLAGS(sv) = 0; | |
840 | break; | |
841 | case SVt_PVHV: | |
842 | SvANY(sv) = new_XPVHV(); | |
463ee0b2 LW |
843 | if (pv) |
844 | Safefree(pv); | |
845 | SvPVX(sv) = 0; | |
846 | HvFILL(sv) = 0; | |
847 | HvMAX(sv) = 0; | |
848 | HvKEYS(sv) = 0; | |
849 | SvNVX(sv) = 0.0; | |
79072805 LW |
850 | SvMAGIC(sv) = magic; |
851 | SvSTASH(sv) = stash; | |
79072805 LW |
852 | HvRITER(sv) = 0; |
853 | HvEITER(sv) = 0; | |
854 | HvPMROOT(sv) = 0; | |
855 | HvNAME(sv) = 0; | |
79072805 LW |
856 | break; |
857 | case SVt_PVCV: | |
858 | SvANY(sv) = new_XPVCV(); | |
748a9306 | 859 | Zero(SvANY(sv), 1, XPVCV); |
463ee0b2 | 860 | SvPVX(sv) = pv; |
79072805 LW |
861 | SvCUR(sv) = cur; |
862 | SvLEN(sv) = len; | |
463ee0b2 LW |
863 | SvIVX(sv) = iv; |
864 | SvNVX(sv) = nv; | |
79072805 LW |
865 | SvMAGIC(sv) = magic; |
866 | SvSTASH(sv) = stash; | |
79072805 LW |
867 | break; |
868 | case SVt_PVGV: | |
869 | SvANY(sv) = new_XPVGV(); | |
463ee0b2 | 870 | SvPVX(sv) = pv; |
79072805 LW |
871 | SvCUR(sv) = cur; |
872 | SvLEN(sv) = len; | |
463ee0b2 LW |
873 | SvIVX(sv) = iv; |
874 | SvNVX(sv) = nv; | |
79072805 LW |
875 | SvMAGIC(sv) = magic; |
876 | SvSTASH(sv) = stash; | |
93a17b20 | 877 | GvGP(sv) = 0; |
79072805 LW |
878 | GvNAME(sv) = 0; |
879 | GvNAMELEN(sv) = 0; | |
880 | GvSTASH(sv) = 0; | |
a5f75d66 | 881 | GvFLAGS(sv) = 0; |
79072805 LW |
882 | break; |
883 | case SVt_PVBM: | |
884 | SvANY(sv) = new_XPVBM(); | |
463ee0b2 | 885 | SvPVX(sv) = pv; |
79072805 LW |
886 | SvCUR(sv) = cur; |
887 | SvLEN(sv) = len; | |
463ee0b2 LW |
888 | SvIVX(sv) = iv; |
889 | SvNVX(sv) = nv; | |
79072805 LW |
890 | SvMAGIC(sv) = magic; |
891 | SvSTASH(sv) = stash; | |
892 | BmRARE(sv) = 0; | |
893 | BmUSEFUL(sv) = 0; | |
894 | BmPREVIOUS(sv) = 0; | |
895 | break; | |
896 | case SVt_PVFM: | |
897 | SvANY(sv) = new_XPVFM(); | |
748a9306 | 898 | Zero(SvANY(sv), 1, XPVFM); |
463ee0b2 | 899 | SvPVX(sv) = pv; |
79072805 LW |
900 | SvCUR(sv) = cur; |
901 | SvLEN(sv) = len; | |
463ee0b2 LW |
902 | SvIVX(sv) = iv; |
903 | SvNVX(sv) = nv; | |
79072805 LW |
904 | SvMAGIC(sv) = magic; |
905 | SvSTASH(sv) = stash; | |
79072805 | 906 | break; |
8990e307 LW |
907 | case SVt_PVIO: |
908 | SvANY(sv) = new_XPVIO(); | |
748a9306 | 909 | Zero(SvANY(sv), 1, XPVIO); |
8990e307 LW |
910 | SvPVX(sv) = pv; |
911 | SvCUR(sv) = cur; | |
912 | SvLEN(sv) = len; | |
913 | SvIVX(sv) = iv; | |
914 | SvNVX(sv) = nv; | |
915 | SvMAGIC(sv) = magic; | |
916 | SvSTASH(sv) = stash; | |
85e6fe83 | 917 | IoPAGE_LEN(sv) = 60; |
8990e307 LW |
918 | break; |
919 | } | |
920 | SvFLAGS(sv) &= ~SVTYPEMASK; | |
921 | SvFLAGS(sv) |= mt; | |
79072805 LW |
922 | return TRUE; |
923 | } | |
924 | ||
925 | char * | |
8ac85365 | 926 | sv_peek(SV *sv) |
79072805 | 927 | { |
35ff7856 | 928 | #ifdef DEBUGGING |
46fc3d4c | 929 | SV *t = sv_newmortal(); |
930 | STRLEN prevlen; | |
a0d0e21e | 931 | int unref = 0; |
79072805 | 932 | |
2b98c477 | 933 | sv_setpvn(t, "", 0); |
79072805 LW |
934 | retry: |
935 | if (!sv) { | |
46fc3d4c | 936 | sv_catpv(t, "VOID"); |
a0d0e21e | 937 | goto finish; |
79072805 LW |
938 | } |
939 | else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') { | |
46fc3d4c | 940 | sv_catpv(t, "WILD"); |
a0d0e21e LW |
941 | goto finish; |
942 | } | |
3280af22 NIS |
943 | else if (sv == &PL_sv_undef || sv == &PL_sv_no || sv == &PL_sv_yes) { |
944 | if (sv == &PL_sv_undef) { | |
46fc3d4c | 945 | sv_catpv(t, "SV_UNDEF"); |
a0d0e21e LW |
946 | if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT| |
947 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
948 | SvREADONLY(sv)) | |
949 | goto finish; | |
950 | } | |
3280af22 | 951 | else if (sv == &PL_sv_no) { |
46fc3d4c | 952 | sv_catpv(t, "SV_NO"); |
a0d0e21e LW |
953 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
954 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
955 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
956 | SVp_POK|SVp_NOK)) && | |
957 | SvCUR(sv) == 0 && | |
958 | SvNVX(sv) == 0.0) | |
959 | goto finish; | |
960 | } | |
961 | else { | |
46fc3d4c | 962 | sv_catpv(t, "SV_YES"); |
a0d0e21e LW |
963 | if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT| |
964 | SVs_GMG|SVs_SMG|SVs_RMG)) && | |
965 | !(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY| | |
966 | SVp_POK|SVp_NOK)) && | |
967 | SvCUR(sv) == 1 && | |
968 | SvPVX(sv) && *SvPVX(sv) == '1' && | |
969 | SvNVX(sv) == 1.0) | |
970 | goto finish; | |
971 | } | |
46fc3d4c | 972 | sv_catpv(t, ":"); |
79072805 | 973 | } |
a0d0e21e | 974 | else if (SvREFCNT(sv) == 0) { |
46fc3d4c | 975 | sv_catpv(t, "("); |
a0d0e21e | 976 | unref++; |
79072805 | 977 | } |
a0d0e21e | 978 | if (SvROK(sv)) { |
46fc3d4c | 979 | sv_catpv(t, "\\"); |
980 | if (SvCUR(t) + unref > 10) { | |
981 | SvCUR(t) = unref + 3; | |
982 | *SvEND(t) = '\0'; | |
983 | sv_catpv(t, "..."); | |
a0d0e21e | 984 | goto finish; |
79072805 | 985 | } |
a0d0e21e LW |
986 | sv = (SV*)SvRV(sv); |
987 | goto retry; | |
988 | } | |
989 | switch (SvTYPE(sv)) { | |
990 | default: | |
46fc3d4c | 991 | sv_catpv(t, "FREED"); |
a0d0e21e LW |
992 | goto finish; |
993 | ||
994 | case SVt_NULL: | |
46fc3d4c | 995 | sv_catpv(t, "UNDEF"); |
96827780 | 996 | goto finish; |
a0d0e21e | 997 | case SVt_IV: |
46fc3d4c | 998 | sv_catpv(t, "IV"); |
a0d0e21e LW |
999 | break; |
1000 | case SVt_NV: | |
46fc3d4c | 1001 | sv_catpv(t, "NV"); |
a0d0e21e LW |
1002 | break; |
1003 | case SVt_RV: | |
46fc3d4c | 1004 | sv_catpv(t, "RV"); |
a0d0e21e LW |
1005 | break; |
1006 | case SVt_PV: | |
46fc3d4c | 1007 | sv_catpv(t, "PV"); |
a0d0e21e LW |
1008 | break; |
1009 | case SVt_PVIV: | |
46fc3d4c | 1010 | sv_catpv(t, "PVIV"); |
a0d0e21e LW |
1011 | break; |
1012 | case SVt_PVNV: | |
46fc3d4c | 1013 | sv_catpv(t, "PVNV"); |
a0d0e21e LW |
1014 | break; |
1015 | case SVt_PVMG: | |
46fc3d4c | 1016 | sv_catpv(t, "PVMG"); |
a0d0e21e LW |
1017 | break; |
1018 | case SVt_PVLV: | |
46fc3d4c | 1019 | sv_catpv(t, "PVLV"); |
a0d0e21e LW |
1020 | break; |
1021 | case SVt_PVAV: | |
46fc3d4c | 1022 | sv_catpv(t, "AV"); |
a0d0e21e LW |
1023 | break; |
1024 | case SVt_PVHV: | |
46fc3d4c | 1025 | sv_catpv(t, "HV"); |
a0d0e21e LW |
1026 | break; |
1027 | case SVt_PVCV: | |
1028 | if (CvGV(sv)) | |
46fc3d4c | 1029 | sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv))); |
a0d0e21e | 1030 | else |
46fc3d4c | 1031 | sv_catpv(t, "CV()"); |
a0d0e21e LW |
1032 | goto finish; |
1033 | case SVt_PVGV: | |
46fc3d4c | 1034 | sv_catpv(t, "GV"); |
a0d0e21e LW |
1035 | break; |
1036 | case SVt_PVBM: | |
46fc3d4c | 1037 | sv_catpv(t, "BM"); |
a0d0e21e LW |
1038 | break; |
1039 | case SVt_PVFM: | |
46fc3d4c | 1040 | sv_catpv(t, "FM"); |
a0d0e21e LW |
1041 | break; |
1042 | case SVt_PVIO: | |
46fc3d4c | 1043 | sv_catpv(t, "IO"); |
a0d0e21e | 1044 | break; |
79072805 | 1045 | } |
79072805 | 1046 | |
a0d0e21e | 1047 | if (SvPOKp(sv)) { |
463ee0b2 | 1048 | if (!SvPVX(sv)) |
46fc3d4c | 1049 | sv_catpv(t, "(null)"); |
79072805 | 1050 | if (SvOOK(sv)) |
46fc3d4c | 1051 | sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv)); |
79072805 | 1052 | else |
46fc3d4c | 1053 | sv_catpvf(t, "(\"%.127s\")",SvPVX(sv)); |
79072805 | 1054 | } |
bbce6d69 | 1055 | else if (SvNOKp(sv)) { |
36477c24 | 1056 | SET_NUMERIC_STANDARD(); |
46fc3d4c | 1057 | sv_catpvf(t, "(%g)",SvNVX(sv)); |
bbce6d69 | 1058 | } |
a0d0e21e | 1059 | else if (SvIOKp(sv)) |
46fc3d4c | 1060 | sv_catpvf(t, "(%ld)",(long)SvIVX(sv)); |
79072805 | 1061 | else |
46fc3d4c | 1062 | sv_catpv(t, "()"); |
a0d0e21e LW |
1063 | |
1064 | finish: | |
1065 | if (unref) { | |
a0d0e21e | 1066 | while (unref--) |
46fc3d4c | 1067 | sv_catpv(t, ")"); |
a0d0e21e | 1068 | } |
3280af22 | 1069 | return SvPV(t, PL_na); |
35ff7856 GS |
1070 | #else /* DEBUGGING */ |
1071 | return ""; | |
1072 | #endif /* DEBUGGING */ | |
79072805 LW |
1073 | } |
1074 | ||
1075 | int | |
8ac85365 | 1076 | sv_backoff(register SV *sv) |
79072805 LW |
1077 | { |
1078 | assert(SvOOK(sv)); | |
463ee0b2 LW |
1079 | if (SvIVX(sv)) { |
1080 | char *s = SvPVX(sv); | |
1081 | SvLEN(sv) += SvIVX(sv); | |
1082 | SvPVX(sv) -= SvIVX(sv); | |
79072805 | 1083 | SvIV_set(sv, 0); |
463ee0b2 | 1084 | Move(s, SvPVX(sv), SvCUR(sv)+1, char); |
79072805 LW |
1085 | } |
1086 | SvFLAGS(sv) &= ~SVf_OOK; | |
a0d0e21e | 1087 | return 0; |
79072805 LW |
1088 | } |
1089 | ||
1090 | char * | |
22c35a8c | 1091 | sv_grow(register SV *sv, register STRLEN newlen) |
79072805 LW |
1092 | { |
1093 | register char *s; | |
1094 | ||
55497cff | 1095 | #ifdef HAS_64K_LIMIT |
79072805 | 1096 | if (newlen >= 0x10000) { |
d1bf51dd | 1097 | PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen); |
79072805 LW |
1098 | my_exit(1); |
1099 | } | |
55497cff | 1100 | #endif /* HAS_64K_LIMIT */ |
a0d0e21e LW |
1101 | if (SvROK(sv)) |
1102 | sv_unref(sv); | |
79072805 LW |
1103 | if (SvTYPE(sv) < SVt_PV) { |
1104 | sv_upgrade(sv, SVt_PV); | |
463ee0b2 | 1105 | s = SvPVX(sv); |
79072805 LW |
1106 | } |
1107 | else if (SvOOK(sv)) { /* pv is offset? */ | |
1108 | sv_backoff(sv); | |
463ee0b2 | 1109 | s = SvPVX(sv); |
79072805 LW |
1110 | if (newlen > SvLEN(sv)) |
1111 | newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */ | |
c6f8c383 GA |
1112 | #ifdef HAS_64K_LIMIT |
1113 | if (newlen >= 0x10000) | |
1114 | newlen = 0xFFFF; | |
1115 | #endif | |
79072805 LW |
1116 | } |
1117 | else | |
463ee0b2 | 1118 | s = SvPVX(sv); |
79072805 | 1119 | if (newlen > SvLEN(sv)) { /* need more room? */ |
8d6dde3e | 1120 | if (SvLEN(sv) && s) { |
1fe09876 | 1121 | #if defined(MYMALLOC) && !defined(PURIFY) && !defined(LEAKTEST) |
8d6dde3e IZ |
1122 | STRLEN l = malloced_size((void*)SvPVX(sv)); |
1123 | if (newlen <= l) { | |
1124 | SvLEN_set(sv, l); | |
1125 | return s; | |
1126 | } else | |
c70c8a0a | 1127 | #endif |
79072805 | 1128 | Renew(s,newlen,char); |
8d6dde3e | 1129 | } |
79072805 LW |
1130 | else |
1131 | New(703,s,newlen,char); | |
1132 | SvPV_set(sv, s); | |
1133 | SvLEN_set(sv, newlen); | |
1134 | } | |
1135 | return s; | |
1136 | } | |
1137 | ||
1138 | void | |
8ac85365 | 1139 | sv_setiv(register SV *sv, IV i) |
79072805 | 1140 | { |
2213622d | 1141 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 LW |
1142 | switch (SvTYPE(sv)) { |
1143 | case SVt_NULL: | |
79072805 | 1144 | sv_upgrade(sv, SVt_IV); |
463ee0b2 LW |
1145 | break; |
1146 | case SVt_NV: | |
1147 | sv_upgrade(sv, SVt_PVNV); | |
1148 | break; | |
ed6116ce | 1149 | case SVt_RV: |
463ee0b2 | 1150 | case SVt_PV: |
79072805 | 1151 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 | 1152 | break; |
a0d0e21e LW |
1153 | |
1154 | case SVt_PVGV: | |
1155 | if (SvFAKE(sv)) { | |
1156 | sv_unglob(sv); | |
1157 | break; | |
1158 | } | |
1159 | /* FALL THROUGH */ | |
1160 | case SVt_PVAV: | |
1161 | case SVt_PVHV: | |
1162 | case SVt_PVCV: | |
1163 | case SVt_PVFM: | |
1164 | case SVt_PVIO: | |
11343788 MB |
1165 | { |
1166 | dTHR; | |
1167 | croak("Can't coerce %s to integer in %s", sv_reftype(sv,0), | |
22c35a8c | 1168 | PL_op_desc[PL_op->op_type]); |
11343788 | 1169 | } |
463ee0b2 | 1170 | } |
a0d0e21e | 1171 | (void)SvIOK_only(sv); /* validate number */ |
a5f75d66 | 1172 | SvIVX(sv) = i; |
463ee0b2 | 1173 | SvTAINT(sv); |
79072805 LW |
1174 | } |
1175 | ||
1176 | void | |
ef50df4b GS |
1177 | sv_setiv_mg(register SV *sv, IV i) |
1178 | { | |
1179 | sv_setiv(sv,i); | |
1180 | SvSETMAGIC(sv); | |
1181 | } | |
1182 | ||
1183 | void | |
8ac85365 | 1184 | sv_setuv(register SV *sv, UV u) |
55497cff | 1185 | { |
1186 | if (u <= IV_MAX) | |
1187 | sv_setiv(sv, u); | |
1188 | else | |
1189 | sv_setnv(sv, (double)u); | |
1190 | } | |
1191 | ||
1192 | void | |
ef50df4b GS |
1193 | sv_setuv_mg(register SV *sv, UV u) |
1194 | { | |
1195 | sv_setuv(sv,u); | |
1196 | SvSETMAGIC(sv); | |
1197 | } | |
1198 | ||
1199 | void | |
8ac85365 | 1200 | sv_setnv(register SV *sv, double num) |
79072805 | 1201 | { |
2213622d | 1202 | SV_CHECK_THINKFIRST(sv); |
a0d0e21e LW |
1203 | switch (SvTYPE(sv)) { |
1204 | case SVt_NULL: | |
1205 | case SVt_IV: | |
79072805 | 1206 | sv_upgrade(sv, SVt_NV); |
a0d0e21e | 1207 | break; |
a0d0e21e LW |
1208 | case SVt_RV: |
1209 | case SVt_PV: | |
1210 | case SVt_PVIV: | |
79072805 | 1211 | sv_upgrade(sv, SVt_PVNV); |
a0d0e21e | 1212 | break; |
827b7e14 | 1213 | |
a0d0e21e LW |
1214 | case SVt_PVGV: |
1215 | if (SvFAKE(sv)) { | |
1216 | sv_unglob(sv); | |
1217 | break; | |
1218 | } | |
1219 | /* FALL THROUGH */ | |
1220 | case SVt_PVAV: | |
1221 | case SVt_PVHV: | |
1222 | case SVt_PVCV: | |
1223 | case SVt_PVFM: | |
1224 | case SVt_PVIO: | |
11343788 MB |
1225 | { |
1226 | dTHR; | |
1227 | croak("Can't coerce %s to number in %s", sv_reftype(sv,0), | |
22c35a8c | 1228 | PL_op_name[PL_op->op_type]); |
11343788 | 1229 | } |
79072805 | 1230 | } |
463ee0b2 | 1231 | SvNVX(sv) = num; |
a0d0e21e | 1232 | (void)SvNOK_only(sv); /* validate number */ |
463ee0b2 | 1233 | SvTAINT(sv); |
79072805 LW |
1234 | } |
1235 | ||
ef50df4b GS |
1236 | void |
1237 | sv_setnv_mg(register SV *sv, double num) | |
1238 | { | |
1239 | sv_setnv(sv,num); | |
1240 | SvSETMAGIC(sv); | |
1241 | } | |
1242 | ||
76e3520e | 1243 | STATIC void |
8ac85365 | 1244 | not_a_number(SV *sv) |
a0d0e21e | 1245 | { |
11343788 | 1246 | dTHR; |
a0d0e21e LW |
1247 | char tmpbuf[64]; |
1248 | char *d = tmpbuf; | |
1249 | char *s; | |
dc28f22b GA |
1250 | char *limit = tmpbuf + sizeof(tmpbuf) - 8; |
1251 | /* each *s can expand to 4 chars + "...\0", | |
1252 | i.e. need room for 8 chars */ | |
a0d0e21e | 1253 | |
dc28f22b | 1254 | for (s = SvPVX(sv); *s && d < limit; s++) { |
bbce6d69 | 1255 | int ch = *s & 0xFF; |
1256 | if (ch & 128 && !isPRINT_LC(ch)) { | |
a0d0e21e LW |
1257 | *d++ = 'M'; |
1258 | *d++ = '-'; | |
1259 | ch &= 127; | |
1260 | } | |
bbce6d69 | 1261 | if (ch == '\n') { |
1262 | *d++ = '\\'; | |
1263 | *d++ = 'n'; | |
1264 | } | |
1265 | else if (ch == '\r') { | |
1266 | *d++ = '\\'; | |
1267 | *d++ = 'r'; | |
1268 | } | |
1269 | else if (ch == '\f') { | |
1270 | *d++ = '\\'; | |
1271 | *d++ = 'f'; | |
1272 | } | |
1273 | else if (ch == '\\') { | |
1274 | *d++ = '\\'; | |
1275 | *d++ = '\\'; | |
1276 | } | |
1277 | else if (isPRINT_LC(ch)) | |
a0d0e21e LW |
1278 | *d++ = ch; |
1279 | else { | |
1280 | *d++ = '^'; | |
bbce6d69 | 1281 | *d++ = toCTRL(ch); |
a0d0e21e LW |
1282 | } |
1283 | } | |
1284 | if (*s) { | |
1285 | *d++ = '.'; | |
1286 | *d++ = '.'; | |
1287 | *d++ = '.'; | |
1288 | } | |
1289 | *d = '\0'; | |
1290 | ||
533c011a | 1291 | if (PL_op) |
599cee73 | 1292 | warner(WARN_NUMERIC, "Argument \"%s\" isn't numeric in %s", tmpbuf, |
22c35a8c | 1293 | PL_op_name[PL_op->op_type]); |
a0d0e21e | 1294 | else |
599cee73 | 1295 | warner(WARN_NUMERIC, "Argument \"%s\" isn't numeric", tmpbuf); |
a0d0e21e LW |
1296 | } |
1297 | ||
1298 | IV | |
8ac85365 | 1299 | sv_2iv(register SV *sv) |
79072805 LW |
1300 | { |
1301 | if (!sv) | |
1302 | return 0; | |
8990e307 | 1303 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1304 | mg_get(sv); |
1305 | if (SvIOKp(sv)) | |
1306 | return SvIVX(sv); | |
748a9306 LW |
1307 | if (SvNOKp(sv)) { |
1308 | if (SvNVX(sv) < 0.0) | |
1309 | return I_V(SvNVX(sv)); | |
1310 | else | |
5d94fbed | 1311 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1312 | } |
36477c24 | 1313 | if (SvPOKp(sv) && SvLEN(sv)) |
1314 | return asIV(sv); | |
3fe9a6f1 | 1315 | if (!SvROK(sv)) { |
d008e5eb | 1316 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1317 | dTHR; |
d008e5eb | 1318 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
22c35a8c | 1319 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1320 | } |
36477c24 | 1321 | return 0; |
3fe9a6f1 | 1322 | } |
463ee0b2 | 1323 | } |
ed6116ce | 1324 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1325 | if (SvROK(sv)) { |
1326 | #ifdef OVERLOAD | |
1327 | SV* tmpstr; | |
1328 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1329 | return SvIV(tmpstr); | |
1330 | #endif /* OVERLOAD */ | |
1331 | return (IV)SvRV(sv); | |
1332 | } | |
ed6116ce | 1333 | if (SvREADONLY(sv)) { |
748a9306 LW |
1334 | if (SvNOKp(sv)) { |
1335 | if (SvNVX(sv) < 0.0) | |
1336 | return I_V(SvNVX(sv)); | |
1337 | else | |
5d94fbed | 1338 | return (IV) U_V(SvNVX(sv)); |
748a9306 | 1339 | } |
36477c24 | 1340 | if (SvPOKp(sv) && SvLEN(sv)) |
1341 | return asIV(sv); | |
d008e5eb GS |
1342 | { |
1343 | dTHR; | |
1344 | if (ckWARN(WARN_UNINITIALIZED)) | |
22c35a8c | 1345 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
d008e5eb | 1346 | } |
ed6116ce LW |
1347 | return 0; |
1348 | } | |
79072805 | 1349 | } |
463ee0b2 | 1350 | switch (SvTYPE(sv)) { |
463ee0b2 | 1351 | case SVt_NULL: |
79072805 | 1352 | sv_upgrade(sv, SVt_IV); |
8ebc5c01 | 1353 | break; |
463ee0b2 | 1354 | case SVt_PV: |
79072805 | 1355 | sv_upgrade(sv, SVt_PVIV); |
463ee0b2 LW |
1356 | break; |
1357 | case SVt_NV: | |
1358 | sv_upgrade(sv, SVt_PVNV); | |
1359 | break; | |
1360 | } | |
748a9306 | 1361 | if (SvNOKp(sv)) { |
a5f75d66 | 1362 | (void)SvIOK_on(sv); |
748a9306 LW |
1363 | if (SvNVX(sv) < 0.0) |
1364 | SvIVX(sv) = I_V(SvNVX(sv)); | |
1365 | else | |
ff68c719 | 1366 | SvUVX(sv) = U_V(SvNVX(sv)); |
748a9306 LW |
1367 | } |
1368 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
a5f75d66 | 1369 | (void)SvIOK_on(sv); |
36477c24 | 1370 | SvIVX(sv) = asIV(sv); |
93a17b20 | 1371 | } |
79072805 | 1372 | else { |
11343788 | 1373 | dTHR; |
599cee73 | 1374 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
22c35a8c | 1375 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e | 1376 | return 0; |
79072805 | 1377 | } |
760ac839 | 1378 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n", |
a0d0e21e | 1379 | (unsigned long)sv,(long)SvIVX(sv))); |
463ee0b2 | 1380 | return SvIVX(sv); |
79072805 LW |
1381 | } |
1382 | ||
ff68c719 | 1383 | UV |
8ac85365 | 1384 | sv_2uv(register SV *sv) |
ff68c719 | 1385 | { |
1386 | if (!sv) | |
1387 | return 0; | |
1388 | if (SvGMAGICAL(sv)) { | |
1389 | mg_get(sv); | |
1390 | if (SvIOKp(sv)) | |
1391 | return SvUVX(sv); | |
1392 | if (SvNOKp(sv)) | |
1393 | return U_V(SvNVX(sv)); | |
36477c24 | 1394 | if (SvPOKp(sv) && SvLEN(sv)) |
1395 | return asUV(sv); | |
3fe9a6f1 | 1396 | if (!SvROK(sv)) { |
d008e5eb | 1397 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1398 | dTHR; |
d008e5eb | 1399 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
22c35a8c | 1400 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1401 | } |
36477c24 | 1402 | return 0; |
3fe9a6f1 | 1403 | } |
ff68c719 | 1404 | } |
1405 | if (SvTHINKFIRST(sv)) { | |
1406 | if (SvROK(sv)) { | |
1407 | #ifdef OVERLOAD | |
1408 | SV* tmpstr; | |
1409 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer))) | |
1410 | return SvUV(tmpstr); | |
1411 | #endif /* OVERLOAD */ | |
1412 | return (UV)SvRV(sv); | |
1413 | } | |
1414 | if (SvREADONLY(sv)) { | |
1415 | if (SvNOKp(sv)) { | |
1416 | return U_V(SvNVX(sv)); | |
1417 | } | |
36477c24 | 1418 | if (SvPOKp(sv) && SvLEN(sv)) |
1419 | return asUV(sv); | |
d008e5eb GS |
1420 | { |
1421 | dTHR; | |
1422 | if (ckWARN(WARN_UNINITIALIZED)) | |
22c35a8c | 1423 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
d008e5eb | 1424 | } |
ff68c719 | 1425 | return 0; |
1426 | } | |
1427 | } | |
1428 | switch (SvTYPE(sv)) { | |
1429 | case SVt_NULL: | |
1430 | sv_upgrade(sv, SVt_IV); | |
8ebc5c01 | 1431 | break; |
ff68c719 | 1432 | case SVt_PV: |
1433 | sv_upgrade(sv, SVt_PVIV); | |
1434 | break; | |
1435 | case SVt_NV: | |
1436 | sv_upgrade(sv, SVt_PVNV); | |
1437 | break; | |
1438 | } | |
1439 | if (SvNOKp(sv)) { | |
1440 | (void)SvIOK_on(sv); | |
1441 | SvUVX(sv) = U_V(SvNVX(sv)); | |
1442 | } | |
1443 | else if (SvPOKp(sv) && SvLEN(sv)) { | |
ff68c719 | 1444 | (void)SvIOK_on(sv); |
36477c24 | 1445 | SvUVX(sv) = asUV(sv); |
ff68c719 | 1446 | } |
1447 | else { | |
d008e5eb | 1448 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1449 | dTHR; |
d008e5eb | 1450 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
22c35a8c | 1451 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1452 | } |
ff68c719 | 1453 | return 0; |
1454 | } | |
1455 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n", | |
1456 | (unsigned long)sv,SvUVX(sv))); | |
1457 | return SvUVX(sv); | |
1458 | } | |
1459 | ||
79072805 | 1460 | double |
8ac85365 | 1461 | sv_2nv(register SV *sv) |
79072805 LW |
1462 | { |
1463 | if (!sv) | |
1464 | return 0.0; | |
8990e307 | 1465 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1466 | mg_get(sv); |
1467 | if (SvNOKp(sv)) | |
1468 | return SvNVX(sv); | |
a0d0e21e | 1469 | if (SvPOKp(sv) && SvLEN(sv)) { |
d008e5eb | 1470 | dTHR; |
599cee73 | 1471 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1472 | not_a_number(sv); |
36477c24 | 1473 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1474 | return atof(SvPVX(sv)); |
a0d0e21e | 1475 | } |
463ee0b2 LW |
1476 | if (SvIOKp(sv)) |
1477 | return (double)SvIVX(sv); | |
16d20bd9 | 1478 | if (!SvROK(sv)) { |
d008e5eb | 1479 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1480 | dTHR; |
d008e5eb | 1481 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
22c35a8c | 1482 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1483 | } |
16d20bd9 AD |
1484 | return 0; |
1485 | } | |
463ee0b2 | 1486 | } |
ed6116ce | 1487 | if (SvTHINKFIRST(sv)) { |
a0d0e21e LW |
1488 | if (SvROK(sv)) { |
1489 | #ifdef OVERLOAD | |
1490 | SV* tmpstr; | |
1491 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer))) | |
1492 | return SvNV(tmpstr); | |
1493 | #endif /* OVERLOAD */ | |
1494 | return (double)(unsigned long)SvRV(sv); | |
1495 | } | |
ed6116ce | 1496 | if (SvREADONLY(sv)) { |
d008e5eb | 1497 | dTHR; |
748a9306 | 1498 | if (SvPOKp(sv) && SvLEN(sv)) { |
599cee73 | 1499 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1500 | not_a_number(sv); |
36477c24 | 1501 | SET_NUMERIC_STANDARD(); |
ed6116ce | 1502 | return atof(SvPVX(sv)); |
a0d0e21e | 1503 | } |
748a9306 | 1504 | if (SvIOKp(sv)) |
8990e307 | 1505 | return (double)SvIVX(sv); |
599cee73 | 1506 | if (ckWARN(WARN_UNINITIALIZED)) |
22c35a8c | 1507 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
ed6116ce LW |
1508 | return 0.0; |
1509 | } | |
79072805 LW |
1510 | } |
1511 | if (SvTYPE(sv) < SVt_NV) { | |
463ee0b2 LW |
1512 | if (SvTYPE(sv) == SVt_IV) |
1513 | sv_upgrade(sv, SVt_PVNV); | |
1514 | else | |
1515 | sv_upgrade(sv, SVt_NV); | |
36477c24 | 1516 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1517 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1518 | "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
79072805 LW |
1519 | } |
1520 | else if (SvTYPE(sv) < SVt_PVNV) | |
1521 | sv_upgrade(sv, SVt_PVNV); | |
748a9306 LW |
1522 | if (SvIOKp(sv) && |
1523 | (!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv))) | |
93a17b20 | 1524 | { |
463ee0b2 | 1525 | SvNVX(sv) = (double)SvIVX(sv); |
93a17b20 | 1526 | } |
748a9306 | 1527 | else if (SvPOKp(sv) && SvLEN(sv)) { |
d008e5eb | 1528 | dTHR; |
599cee73 | 1529 | if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv)) |
a0d0e21e | 1530 | not_a_number(sv); |
36477c24 | 1531 | SET_NUMERIC_STANDARD(); |
463ee0b2 | 1532 | SvNVX(sv) = atof(SvPVX(sv)); |
93a17b20 | 1533 | } |
79072805 | 1534 | else { |
11343788 | 1535 | dTHR; |
599cee73 | 1536 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
22c35a8c | 1537 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e | 1538 | return 0.0; |
79072805 LW |
1539 | } |
1540 | SvNOK_on(sv); | |
36477c24 | 1541 | DEBUG_c(SET_NUMERIC_STANDARD()); |
bbce6d69 | 1542 | DEBUG_c(PerlIO_printf(Perl_debug_log, |
1543 | "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv))); | |
463ee0b2 | 1544 | return SvNVX(sv); |
79072805 LW |
1545 | } |
1546 | ||
76e3520e | 1547 | STATIC IV |
8ac85365 | 1548 | asIV(SV *sv) |
36477c24 | 1549 | { |
1550 | I32 numtype = looks_like_number(sv); | |
1551 | double d; | |
1552 | ||
1553 | if (numtype == 1) | |
1554 | return atol(SvPVX(sv)); | |
d008e5eb GS |
1555 | if (!numtype) { |
1556 | dTHR; | |
1557 | if (ckWARN(WARN_NUMERIC)) | |
1558 | not_a_number(sv); | |
1559 | } | |
36477c24 | 1560 | SET_NUMERIC_STANDARD(); |
1561 | d = atof(SvPVX(sv)); | |
1562 | if (d < 0.0) | |
1563 | return I_V(d); | |
1564 | else | |
1565 | return (IV) U_V(d); | |
1566 | } | |
1567 | ||
76e3520e | 1568 | STATIC UV |
8ac85365 | 1569 | asUV(SV *sv) |
36477c24 | 1570 | { |
1571 | I32 numtype = looks_like_number(sv); | |
1572 | ||
84902520 | 1573 | #ifdef HAS_STRTOUL |
36477c24 | 1574 | if (numtype == 1) |
84902520 TB |
1575 | return strtoul(SvPVX(sv), Null(char**), 10); |
1576 | #endif | |
d008e5eb GS |
1577 | if (!numtype) { |
1578 | dTHR; | |
1579 | if (ckWARN(WARN_NUMERIC)) | |
1580 | not_a_number(sv); | |
1581 | } | |
36477c24 | 1582 | SET_NUMERIC_STANDARD(); |
1583 | return U_V(atof(SvPVX(sv))); | |
1584 | } | |
1585 | ||
1586 | I32 | |
8ac85365 | 1587 | looks_like_number(SV *sv) |
36477c24 | 1588 | { |
1589 | register char *s; | |
1590 | register char *send; | |
1591 | register char *sbegin; | |
ff0cee69 | 1592 | I32 numtype; |
36477c24 | 1593 | STRLEN len; |
1594 | ||
1595 | if (SvPOK(sv)) { | |
1596 | sbegin = SvPVX(sv); | |
1597 | len = SvCUR(sv); | |
1598 | } | |
1599 | else if (SvPOKp(sv)) | |
1600 | sbegin = SvPV(sv, len); | |
1601 | else | |
1602 | return 1; | |
1603 | send = sbegin + len; | |
1604 | ||
1605 | s = sbegin; | |
1606 | while (isSPACE(*s)) | |
1607 | s++; | |
36477c24 | 1608 | if (*s == '+' || *s == '-') |
1609 | s++; | |
ff0cee69 | 1610 | |
1611 | /* next must be digit or '.' */ | |
1612 | if (isDIGIT(*s)) { | |
1613 | do { | |
1614 | s++; | |
1615 | } while (isDIGIT(*s)); | |
1616 | if (*s == '.') { | |
1617 | s++; | |
1618 | while (isDIGIT(*s)) /* optional digits after "." */ | |
1619 | s++; | |
1620 | } | |
36477c24 | 1621 | } |
ff0cee69 | 1622 | else if (*s == '.') { |
1623 | s++; | |
1624 | /* no digits before '.' means we need digits after it */ | |
1625 | if (isDIGIT(*s)) { | |
1626 | do { | |
1627 | s++; | |
1628 | } while (isDIGIT(*s)); | |
1629 | } | |
1630 | else | |
1631 | return 0; | |
1632 | } | |
1633 | else | |
1634 | return 0; | |
1635 | ||
1636 | /* | |
1637 | * we return 1 if the number can be converted to _integer_ with atol() | |
1638 | * and 2 if you need (int)atof(). | |
1639 | */ | |
1640 | numtype = 1; | |
1641 | ||
1642 | /* we can have an optional exponent part */ | |
36477c24 | 1643 | if (*s == 'e' || *s == 'E') { |
1644 | numtype = 2; | |
1645 | s++; | |
1646 | if (*s == '+' || *s == '-') | |
1647 | s++; | |
ff0cee69 | 1648 | if (isDIGIT(*s)) { |
1649 | do { | |
1650 | s++; | |
1651 | } while (isDIGIT(*s)); | |
1652 | } | |
1653 | else | |
1654 | return 0; | |
36477c24 | 1655 | } |
1656 | while (isSPACE(*s)) | |
1657 | s++; | |
1658 | if (s >= send) | |
1659 | return numtype; | |
1660 | if (len == 10 && memEQ(sbegin, "0 but true", 10)) | |
1661 | return 1; | |
1662 | return 0; | |
1663 | } | |
1664 | ||
79072805 | 1665 | char * |
8ac85365 | 1666 | sv_2pv(register SV *sv, STRLEN *lp) |
79072805 LW |
1667 | { |
1668 | register char *s; | |
1669 | int olderrno; | |
46fc3d4c | 1670 | SV *tsv; |
96827780 | 1671 | char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */ |
79072805 | 1672 | |
463ee0b2 LW |
1673 | if (!sv) { |
1674 | *lp = 0; | |
1675 | return ""; | |
1676 | } | |
8990e307 | 1677 | if (SvGMAGICAL(sv)) { |
463ee0b2 LW |
1678 | mg_get(sv); |
1679 | if (SvPOKp(sv)) { | |
1680 | *lp = SvCUR(sv); | |
1681 | return SvPVX(sv); | |
1682 | } | |
1683 | if (SvIOKp(sv)) { | |
96827780 | 1684 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1685 | tsv = Nullsv; |
a0d0e21e | 1686 | goto tokensave; |
463ee0b2 LW |
1687 | } |
1688 | if (SvNOKp(sv)) { | |
36477c24 | 1689 | SET_NUMERIC_STANDARD(); |
96827780 | 1690 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1691 | tsv = Nullsv; |
a0d0e21e | 1692 | goto tokensave; |
463ee0b2 | 1693 | } |
16d20bd9 | 1694 | if (!SvROK(sv)) { |
d008e5eb | 1695 | if (!(SvFLAGS(sv) & SVs_PADTMP)) { |
c6ee37c5 | 1696 | dTHR; |
d008e5eb | 1697 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing) |
22c35a8c | 1698 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
c6ee37c5 | 1699 | } |
16d20bd9 AD |
1700 | *lp = 0; |
1701 | return ""; | |
1702 | } | |
463ee0b2 | 1703 | } |
ed6116ce LW |
1704 | if (SvTHINKFIRST(sv)) { |
1705 | if (SvROK(sv)) { | |
a0d0e21e LW |
1706 | #ifdef OVERLOAD |
1707 | SV* tmpstr; | |
1708 | if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string))) | |
1709 | return SvPV(tmpstr,*lp); | |
1710 | #endif /* OVERLOAD */ | |
ed6116ce LW |
1711 | sv = (SV*)SvRV(sv); |
1712 | if (!sv) | |
1713 | s = "NULLREF"; | |
1714 | else { | |
f9277f47 IZ |
1715 | MAGIC *mg; |
1716 | ||
ed6116ce | 1717 | switch (SvTYPE(sv)) { |
f9277f47 IZ |
1718 | case SVt_PVMG: |
1719 | if ( ((SvFLAGS(sv) & | |
1720 | (SVs_OBJECT|SVf_OK|SVs_GMG|SVs_SMG|SVs_RMG)) | |
3149a8e4 | 1721 | == (SVs_OBJECT|SVs_RMG)) |
f9277f47 IZ |
1722 | && strEQ(s=HvNAME(SvSTASH(sv)), "Regexp") |
1723 | && (mg = mg_find(sv, 'r'))) { | |
5c0ca799 | 1724 | dTHR; |
2cd61cdb | 1725 | regexp *re = (regexp *)mg->mg_obj; |
1bd3ad17 | 1726 | |
2cd61cdb | 1727 | if (!mg->mg_ptr) { |
8782bef2 GB |
1728 | char *fptr = "msix"; |
1729 | char reflags[6]; | |
1730 | char ch; | |
1731 | int left = 0; | |
1732 | int right = 4; | |
1733 | U16 reganch = (re->reganch & PMf_COMPILETIME) >> 12; | |
1734 | ||
1735 | while(ch = *fptr++) { | |
1736 | if(reganch & 1) { | |
1737 | reflags[left++] = ch; | |
1738 | } | |
1739 | else { | |
1740 | reflags[right--] = ch; | |
1741 | } | |
1742 | reganch >>= 1; | |
1743 | } | |
1744 | if(left != 4) { | |
1745 | reflags[left] = '-'; | |
1746 | left = 5; | |
1747 | } | |
1748 | ||
1749 | mg->mg_len = re->prelen + 4 + left; | |
1750 | New(616, mg->mg_ptr, mg->mg_len + 1 + left, char); | |
1751 | Copy("(?", mg->mg_ptr, 2, char); | |
1752 | Copy(reflags, mg->mg_ptr+2, left, char); | |
1753 | Copy(":", mg->mg_ptr+left+2, 1, char); | |
1754 | Copy(re->precomp, mg->mg_ptr+3+left, re->prelen, char); | |
1bd3ad17 IZ |
1755 | mg->mg_ptr[mg->mg_len - 1] = ')'; |
1756 | mg->mg_ptr[mg->mg_len] = 0; | |
1757 | } | |
3280af22 | 1758 | PL_reginterp_cnt += re->program[0].next_off; |
1bd3ad17 IZ |
1759 | *lp = mg->mg_len; |
1760 | return mg->mg_ptr; | |
f9277f47 IZ |
1761 | } |
1762 | /* Fall through */ | |
ed6116ce LW |
1763 | case SVt_NULL: |
1764 | case SVt_IV: | |
1765 | case SVt_NV: | |
1766 | case SVt_RV: | |
1767 | case SVt_PV: | |
1768 | case SVt_PVIV: | |
1769 | case SVt_PVNV: | |
f9277f47 | 1770 | case SVt_PVBM: s = "SCALAR"; break; |
ed6116ce LW |
1771 | case SVt_PVLV: s = "LVALUE"; break; |
1772 | case SVt_PVAV: s = "ARRAY"; break; | |
1773 | case SVt_PVHV: s = "HASH"; break; | |
1774 | case SVt_PVCV: s = "CODE"; break; | |
1775 | case SVt_PVGV: s = "GLOB"; break; | |
1d2dff63 | 1776 | case SVt_PVFM: s = "FORMAT"; break; |
36477c24 | 1777 | case SVt_PVIO: s = "IO"; break; |
ed6116ce LW |
1778 | default: s = "UNKNOWN"; break; |
1779 | } | |
46fc3d4c | 1780 | tsv = NEWSV(0,0); |
ed6116ce | 1781 | if (SvOBJECT(sv)) |
46fc3d4c | 1782 | sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s); |
ed6116ce | 1783 | else |
46fc3d4c | 1784 | sv_setpv(tsv, s); |
1785 | sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv); | |
a0d0e21e | 1786 | goto tokensaveref; |
463ee0b2 | 1787 | } |
ed6116ce LW |
1788 | *lp = strlen(s); |
1789 | return s; | |
79072805 | 1790 | } |
ed6116ce | 1791 | if (SvREADONLY(sv)) { |
748a9306 | 1792 | if (SvNOKp(sv)) { |
36477c24 | 1793 | SET_NUMERIC_STANDARD(); |
96827780 | 1794 | Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf); |
46fc3d4c | 1795 | tsv = Nullsv; |
a0d0e21e | 1796 | goto tokensave; |
ed6116ce | 1797 | } |
8bb9dbe4 | 1798 | if (SvIOKp(sv)) { |
96827780 | 1799 | (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv)); |
46fc3d4c | 1800 | tsv = Nullsv; |
8bb9dbe4 LW |
1801 | goto tokensave; |
1802 | } | |
d008e5eb GS |
1803 | { |
1804 | dTHR; | |
1805 | if (ckWARN(WARN_UNINITIALIZED)) | |
22c35a8c | 1806 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
d008e5eb | 1807 | } |
ed6116ce LW |
1808 | *lp = 0; |
1809 | return ""; | |
79072805 | 1810 | } |
79072805 | 1811 | } |
c6f8c383 | 1812 | (void)SvUPGRADE(sv, SVt_PV); |
748a9306 | 1813 | if (SvNOKp(sv)) { |
79072805 LW |
1814 | if (SvTYPE(sv) < SVt_PVNV) |
1815 | sv_upgrade(sv, SVt_PVNV); | |
1816 | SvGROW(sv, 28); | |
463ee0b2 | 1817 | s = SvPVX(sv); |
79072805 | 1818 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
79072805 | 1819 | #ifdef apollo |
463ee0b2 | 1820 | if (SvNVX(sv) == 0.0) |
79072805 LW |
1821 | (void)strcpy(s,"0"); |
1822 | else | |
1823 | #endif /*apollo*/ | |
bbce6d69 | 1824 | { |
36477c24 | 1825 | SET_NUMERIC_STANDARD(); |
a0d0e21e | 1826 | Gconvert(SvNVX(sv), DBL_DIG, 0, s); |
bbce6d69 | 1827 | } |
79072805 | 1828 | errno = olderrno; |
a0d0e21e LW |
1829 | #ifdef FIXNEGATIVEZERO |
1830 | if (*s == '-' && s[1] == '0' && !s[2]) | |
1831 | strcpy(s,"0"); | |
1832 | #endif | |
79072805 LW |
1833 | while (*s) s++; |
1834 | #ifdef hcx | |
1835 | if (s[-1] == '.') | |
46fc3d4c | 1836 | *--s = '\0'; |
79072805 LW |
1837 | #endif |
1838 | } | |
748a9306 | 1839 | else if (SvIOKp(sv)) { |
64f14228 | 1840 | U32 oldIOK = SvIOK(sv); |
79072805 LW |
1841 | if (SvTYPE(sv) < SVt_PVIV) |
1842 | sv_upgrade(sv, SVt_PVIV); | |
79072805 | 1843 | olderrno = errno; /* some Xenix systems wipe out errno here */ |
84902520 | 1844 | sv_setpviv(sv, SvIVX(sv)); |
79072805 | 1845 | errno = olderrno; |
46fc3d4c | 1846 | s = SvEND(sv); |
64f14228 GA |
1847 | if (oldIOK) |
1848 | SvIOK_on(sv); | |
1849 | else | |
1850 | SvIOKp_on(sv); | |
79072805 LW |
1851 | } |
1852 | else { | |
11343788 | 1853 | dTHR; |
599cee73 | 1854 | if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP)) |
22c35a8c | 1855 | warner(WARN_UNINITIALIZED, PL_warn_uninit); |
a0d0e21e LW |
1856 | *lp = 0; |
1857 | return ""; | |
79072805 | 1858 | } |
463ee0b2 LW |
1859 | *lp = s - SvPVX(sv); |
1860 | SvCUR_set(sv, *lp); | |
79072805 | 1861 | SvPOK_on(sv); |
760ac839 | 1862 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv))); |
463ee0b2 | 1863 | return SvPVX(sv); |
a0d0e21e LW |
1864 | |
1865 | tokensave: | |
1866 | if (SvROK(sv)) { /* XXX Skip this when sv_pvn_force calls */ | |
1867 | /* Sneaky stuff here */ | |
1868 | ||
1869 | tokensaveref: | |
46fc3d4c | 1870 | if (!tsv) |
96827780 | 1871 | tsv = newSVpv(tmpbuf, 0); |
46fc3d4c | 1872 | sv_2mortal(tsv); |
1873 | *lp = SvCUR(tsv); | |
1874 | return SvPVX(tsv); | |
a0d0e21e LW |
1875 | } |
1876 | else { | |
1877 | STRLEN len; | |
46fc3d4c | 1878 | char *t; |
1879 | ||
1880 | if (tsv) { | |
1881 | sv_2mortal(tsv); | |
1882 | t = SvPVX(tsv); | |
1883 | len = SvCUR(tsv); | |
1884 | } | |
1885 | else { | |
96827780 MB |
1886 | t = tmpbuf; |
1887 | len = strlen(tmpbuf); | |
46fc3d4c | 1888 | } |
a0d0e21e | 1889 | #ifdef FIXNEGATIVEZERO |
46fc3d4c | 1890 | if (len == 2 && t[0] == '-' && t[1] == '0') { |
1891 | t = "0"; | |
1892 | len = 1; | |
1893 | } | |
a0d0e21e LW |
1894 | #endif |
1895 | (void)SvUPGRADE(sv, SVt_PV); | |
46fc3d4c | 1896 | *lp = len; |
a0d0e21e LW |
1897 | s = SvGROW(sv, len + 1); |
1898 | SvCUR_set(sv, len); | |
46fc3d4c | 1899 | (void)strcpy(s, t); |
6bf554b4 | 1900 | SvPOKp_on(sv); |
a0d0e21e LW |
1901 | return s; |
1902 | } | |
463ee0b2 LW |
1903 | } |
1904 | ||
1905 | /* This function is only called on magical items */ | |
1906 | bool | |
8ac85365 | 1907 | sv_2bool(register SV *sv) |
463ee0b2 | 1908 | { |
8990e307 | 1909 | if (SvGMAGICAL(sv)) |
463ee0b2 LW |
1910 | mg_get(sv); |
1911 | ||
a0d0e21e LW |
1912 | if (!SvOK(sv)) |
1913 | return 0; | |
1914 | if (SvROK(sv)) { | |
1915 | #ifdef OVERLOAD | |
1916 | { | |
11343788 | 1917 | dTHR; |
a0d0e21e LW |
1918 | SV* tmpsv; |
1919 | if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_))) | |
1920 | return SvTRUE(tmpsv); | |
1921 | } | |
1922 | #endif /* OVERLOAD */ | |
1923 | return SvRV(sv) != 0; | |
1924 | } | |
463ee0b2 | 1925 | if (SvPOKp(sv)) { |
11343788 MB |
1926 | register XPV* Xpvtmp; |
1927 | if ((Xpvtmp = (XPV*)SvANY(sv)) && | |
1928 | (*Xpvtmp->xpv_pv > '0' || | |
1929 | Xpvtmp->xpv_cur > 1 || | |
1930 | (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0'))) | |
463ee0b2 LW |
1931 | return 1; |
1932 | else | |
1933 | return 0; | |
1934 | } | |
1935 | else { | |
1936 | if (SvIOKp(sv)) | |
1937 | return SvIVX(sv) != 0; | |
1938 | else { | |
1939 | if (SvNOKp(sv)) | |
1940 | return SvNVX(sv) != 0.0; | |
1941 | else | |
1942 | return FALSE; | |
1943 | } | |
1944 | } | |
79072805 LW |
1945 | } |
1946 | ||
1947 | /* Note: sv_setsv() should not be called with a source string that needs | |
463ee0b2 | 1948 | * to be reused, since it may destroy the source string if it is marked |
79072805 LW |
1949 | * as temporary. |
1950 | */ | |
1951 | ||
1952 | void | |
8ac85365 | 1953 | sv_setsv(SV *dstr, register SV *sstr) |
79072805 | 1954 | { |
11343788 | 1955 | dTHR; |
8990e307 LW |
1956 | register U32 sflags; |
1957 | register int dtype; | |
1958 | register int stype; | |
463ee0b2 | 1959 | |
79072805 LW |
1960 | if (sstr == dstr) |
1961 | return; | |
2213622d | 1962 | SV_CHECK_THINKFIRST(dstr); |
79072805 | 1963 | if (!sstr) |
3280af22 | 1964 | sstr = &PL_sv_undef; |
8990e307 LW |
1965 | stype = SvTYPE(sstr); |
1966 | dtype = SvTYPE(dstr); | |
79072805 | 1967 | |
8e07c86e AD |
1968 | if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) { |
1969 | sv_unglob(dstr); /* so fake GLOB won't perpetuate */ | |
4633a7c4 LW |
1970 | sv_setpvn(dstr, "", 0); |
1971 | (void)SvPOK_only(dstr); | |
8e07c86e AD |
1972 | dtype = SvTYPE(dstr); |
1973 | } | |
1974 | ||
a0d0e21e LW |
1975 | #ifdef OVERLOAD |
1976 | SvAMAGIC_off(dstr); | |
1977 | #endif /* OVERLOAD */ | |
463ee0b2 | 1978 | /* There's a lot of redundancy below but we're going for speed here */ |
79072805 | 1979 | |
8990e307 | 1980 | switch (stype) { |
79072805 | 1981 | case SVt_NULL: |
aece5585 | 1982 | undef_sstr: |
20408e3c GS |
1983 | if (dtype != SVt_PVGV) { |
1984 | (void)SvOK_off(dstr); | |
1985 | return; | |
1986 | } | |
1987 | break; | |
463ee0b2 | 1988 | case SVt_IV: |
aece5585 GA |
1989 | if (SvIOK(sstr)) { |
1990 | switch (dtype) { | |
1991 | case SVt_NULL: | |
8990e307 | 1992 | sv_upgrade(dstr, SVt_IV); |
aece5585 GA |
1993 | break; |
1994 | case SVt_NV: | |
8990e307 | 1995 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
1996 | break; |
1997 | case SVt_RV: | |
1998 | case SVt_PV: | |
a0d0e21e | 1999 | sv_upgrade(dstr, SVt_PVIV); |
aece5585 GA |
2000 | break; |
2001 | } | |
2002 | (void)SvIOK_only(dstr); | |
2003 | SvIVX(dstr) = SvIVX(sstr); | |
2004 | SvTAINT(dstr); | |
2005 | return; | |
8990e307 | 2006 | } |
aece5585 GA |
2007 | goto undef_sstr; |
2008 | ||
463ee0b2 | 2009 | case SVt_NV: |
aece5585 GA |
2010 | if (SvNOK(sstr)) { |
2011 | switch (dtype) { | |
2012 | case SVt_NULL: | |
2013 | case SVt_IV: | |
8990e307 | 2014 | sv_upgrade(dstr, SVt_NV); |
aece5585 GA |
2015 | break; |
2016 | case SVt_RV: | |
2017 | case SVt_PV: | |
2018 | case SVt_PVIV: | |
a0d0e21e | 2019 | sv_upgrade(dstr, SVt_PVNV); |
aece5585 GA |
2020 | break; |
2021 | } | |
2022 | SvNVX(dstr) = SvNVX(sstr); | |
2023 | (void)SvNOK_only(dstr); | |
2024 | SvTAINT(dstr); | |
2025 | return; | |
8990e307 | 2026 | } |
aece5585 GA |
2027 | goto undef_sstr; |
2028 | ||
ed6116ce | 2029 | case SVt_RV: |
8990e307 | 2030 | if (dtype < SVt_RV) |
ed6116ce | 2031 | sv_upgrade(dstr, SVt_RV); |
c07a80fd | 2032 | else if (dtype == SVt_PVGV && |
2033 | SvTYPE(SvRV(sstr)) == SVt_PVGV) { | |
2034 | sstr = SvRV(sstr); | |
a5f75d66 | 2035 | if (sstr == dstr) { |
3280af22 | 2036 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 AD |
2037 | GvIMPORTED_on(dstr); |
2038 | GvMULTI_on(dstr); | |
2039 | return; | |
2040 | } | |
c07a80fd | 2041 | goto glob_assign; |
2042 | } | |
ed6116ce | 2043 | break; |
463ee0b2 | 2044 | case SVt_PV: |
fc36a67e | 2045 | case SVt_PVFM: |
8990e307 | 2046 | if (dtype < SVt_PV) |
463ee0b2 | 2047 | sv_upgrade(dstr, SVt_PV); |
463ee0b2 LW |
2048 | break; |
2049 | case SVt_PVIV: | |
8990e307 | 2050 | if (dtype < SVt_PVIV) |
463ee0b2 | 2051 | sv_upgrade(dstr, SVt_PVIV); |
463ee0b2 LW |
2052 | break; |
2053 | case SVt_PVNV: | |
8990e307 | 2054 | if (dtype < SVt_PVNV) |
463ee0b2 | 2055 | sv_upgrade(dstr, SVt_PVNV); |
463ee0b2 | 2056 | break; |
4633a7c4 LW |
2057 | case SVt_PVAV: |
2058 | case SVt_PVHV: | |
2059 | case SVt_PVCV: | |
4633a7c4 | 2060 | case SVt_PVIO: |
533c011a | 2061 | if (PL_op) |
4633a7c4 | 2062 | croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0), |
22c35a8c | 2063 | PL_op_name[PL_op->op_type]); |
4633a7c4 LW |
2064 | else |
2065 | croak("Bizarre copy of %s", sv_reftype(sstr, 0)); | |
2066 | break; | |
2067 | ||
79072805 | 2068 | case SVt_PVGV: |
8990e307 | 2069 | if (dtype <= SVt_PVGV) { |
c07a80fd | 2070 | glob_assign: |
a5f75d66 | 2071 | if (dtype != SVt_PVGV) { |
a0d0e21e LW |
2072 | char *name = GvNAME(sstr); |
2073 | STRLEN len = GvNAMELEN(sstr); | |
463ee0b2 | 2074 | sv_upgrade(dstr, SVt_PVGV); |
a0d0e21e | 2075 | sv_magic(dstr, dstr, '*', name, len); |
85aff577 | 2076 | GvSTASH(dstr) = (HV*)SvREFCNT_inc(GvSTASH(sstr)); |
a0d0e21e LW |
2077 | GvNAME(dstr) = savepvn(name, len); |
2078 | GvNAMELEN(dstr) = len; | |
2079 | SvFAKE_on(dstr); /* can coerce to non-glob */ | |
2080 | } | |
7bac28a0 | 2081 | /* ahem, death to those who redefine active sort subs */ |
3280af22 NIS |
2082 | else if (PL_curstackinfo->si_type == PERLSI_SORT |
2083 | && GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr))) | |
7bac28a0 | 2084 | croak("Can't redefine active sort subroutine %s", |
2085 | GvNAME(dstr)); | |
a0d0e21e | 2086 | (void)SvOK_off(dstr); |
a5f75d66 | 2087 | GvINTRO_off(dstr); /* one-shot flag */ |
1edc1566 | 2088 | gp_free((GV*)dstr); |
79072805 | 2089 | GvGP(dstr) = gp_ref(GvGP(sstr)); |
8990e307 | 2090 | SvTAINT(dstr); |
3280af22 | 2091 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 AD |
2092 | GvIMPORTED_on(dstr); |
2093 | GvMULTI_on(dstr); | |
79072805 LW |
2094 | return; |
2095 | } | |
2096 | /* FALL THROUGH */ | |
2097 | ||
2098 | default: | |
973f89ab CS |
2099 | if (SvGMAGICAL(sstr)) { |
2100 | mg_get(sstr); | |
2101 | if (SvTYPE(sstr) != stype) { | |
2102 | stype = SvTYPE(sstr); | |
2103 | if (stype == SVt_PVGV && dtype <= SVt_PVGV) | |
2104 | goto glob_assign; | |
2105 | } | |
2106 | } | |
ded42b9f CS |
2107 | if (stype == SVt_PVLV) |
2108 | SvUPGRADE(dstr, SVt_PVNV); | |
2109 | else | |
2110 | SvUPGRADE(dstr, stype); | |
79072805 LW |
2111 | } |
2112 | ||
8990e307 LW |
2113 | sflags = SvFLAGS(sstr); |
2114 | ||
2115 | if (sflags & SVf_ROK) { | |
2116 | if (dtype >= SVt_PV) { | |
2117 | if (dtype == SVt_PVGV) { | |
2118 | SV *sref = SvREFCNT_inc(SvRV(sstr)); | |
2119 | SV *dref = 0; | |
a5f75d66 | 2120 | int intro = GvINTRO(dstr); |
a0d0e21e LW |
2121 | |
2122 | if (intro) { | |
2123 | GP *gp; | |
2124 | GvGP(dstr)->gp_refcnt--; | |
a5f75d66 | 2125 | GvINTRO_off(dstr); /* one-shot flag */ |
a0d0e21e | 2126 | Newz(602,gp, 1, GP); |
44a8e56a | 2127 | GvGP(dstr) = gp_ref(gp); |
a0d0e21e | 2128 | GvSV(dstr) = NEWSV(72,0); |
3280af22 | 2129 | GvLINE(dstr) = PL_curcop->cop_line; |
1edc1566 | 2130 | GvEGV(dstr) = (GV*)dstr; |
a0d0e21e | 2131 | } |
a5f75d66 | 2132 | GvMULTI_on(dstr); |
8990e307 LW |
2133 | switch (SvTYPE(sref)) { |
2134 | case SVt_PVAV: | |
a0d0e21e LW |
2135 | if (intro) |
2136 | SAVESPTR(GvAV(dstr)); | |
2137 | else | |
2138 | dref = (SV*)GvAV(dstr); | |
8990e307 | 2139 | GvAV(dstr) = (AV*)sref; |
3280af22 | 2140 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2141 | GvIMPORTED_AV_on(dstr); |
8990e307 LW |
2142 | break; |
2143 | case SVt_PVHV: | |
a0d0e21e LW |
2144 | if (intro) |
2145 | SAVESPTR(GvHV(dstr)); | |
2146 | else | |
2147 | dref = (SV*)GvHV(dstr); | |
8990e307 | 2148 | GvHV(dstr) = (HV*)sref; |
3280af22 | 2149 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2150 | GvIMPORTED_HV_on(dstr); |
8990e307 LW |
2151 | break; |
2152 | case SVt_PVCV: | |
8ebc5c01 | 2153 | if (intro) { |
2154 | if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) { | |
2155 | SvREFCNT_dec(GvCV(dstr)); | |
2156 | GvCV(dstr) = Nullcv; | |
68dc0745 | 2157 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
3280af22 | 2158 | PL_sub_generation++; |
8ebc5c01 | 2159 | } |
a0d0e21e | 2160 | SAVESPTR(GvCV(dstr)); |
8ebc5c01 | 2161 | } |
68dc0745 | 2162 | else |
2163 | dref = (SV*)GvCV(dstr); | |
2164 | if (GvCV(dstr) != (CV*)sref) { | |
748a9306 | 2165 | CV* cv = GvCV(dstr); |
4633a7c4 | 2166 | if (cv) { |
68dc0745 | 2167 | if (!GvCVGEN((GV*)dstr) && |
2168 | (CvROOT(cv) || CvXSUB(cv))) | |
2169 | { | |
fe5e78ed GS |
2170 | SV *const_sv = cv_const_sv(cv); |
2171 | bool const_changed = TRUE; | |
2172 | if(const_sv) | |
2173 | const_changed = sv_cmp(const_sv, | |
2174 | op_const_sv(CvSTART((CV*)sref), | |
2175 | Nullcv)); | |
7bac28a0 | 2176 | /* ahem, death to those who redefine |
2177 | * active sort subs */ | |
3280af22 NIS |
2178 | if (PL_curstackinfo->si_type == PERLSI_SORT && |
2179 | PL_sortcop == CvSTART(cv)) | |
7bac28a0 | 2180 | croak( |
2181 | "Can't redefine active sort subroutine %s", | |
2182 | GvENAME((GV*)dstr)); | |
599cee73 | 2183 | if (ckWARN(WARN_REDEFINE) || (const_changed && const_sv)) { |
2f34f9d4 IZ |
2184 | if (!(CvGV(cv) && GvSTASH(CvGV(cv)) |
2185 | && HvNAME(GvSTASH(CvGV(cv))) | |
2186 | && strEQ(HvNAME(GvSTASH(CvGV(cv))), | |
2187 | "autouse"))) | |
599cee73 | 2188 | warner(WARN_REDEFINE, const_sv ? |
fe5e78ed GS |
2189 | "Constant subroutine %s redefined" |
2190 | : "Subroutine %s redefined", | |
2f34f9d4 IZ |
2191 | GvENAME((GV*)dstr)); |
2192 | } | |
9607fc9c | 2193 | } |
3fe9a6f1 | 2194 | cv_ckproto(cv, (GV*)dstr, |
2195 | SvPOK(sref) ? SvPVX(sref) : Nullch); | |
4633a7c4 | 2196 | } |
a5f75d66 | 2197 | GvCV(dstr) = (CV*)sref; |
7a4c00b4 | 2198 | GvCVGEN(dstr) = 0; /* Switch off cacheness. */ |
a5f75d66 | 2199 | GvASSUMECV_on(dstr); |
3280af22 | 2200 | PL_sub_generation++; |
a5f75d66 | 2201 | } |
3280af22 | 2202 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2203 | GvIMPORTED_CV_on(dstr); |
8990e307 | 2204 | break; |
91bba347 LW |
2205 | case SVt_PVIO: |
2206 | if (intro) | |
2207 | SAVESPTR(GvIOp(dstr)); | |
2208 | else | |
2209 | dref = (SV*)GvIOp(dstr); | |
2210 | GvIOp(dstr) = (IO*)sref; | |
2211 | break; | |
8990e307 | 2212 | default: |
a0d0e21e LW |
2213 | if (intro) |
2214 | SAVESPTR(GvSV(dstr)); | |
2215 | else | |
2216 | dref = (SV*)GvSV(dstr); | |
8990e307 | 2217 | GvSV(dstr) = sref; |
3280af22 | 2218 | if (PL_curcop->cop_stash != GvSTASH(dstr)) |
a5f75d66 | 2219 | GvIMPORTED_SV_on(dstr); |
8990e307 LW |
2220 | break; |
2221 | } | |
2222 | if (dref) | |
2223 | SvREFCNT_dec(dref); | |
a0d0e21e LW |
2224 | if (intro) |
2225 | SAVEFREESV(sref); | |
8990e307 LW |
2226 | SvTAINT(dstr); |
2227 | return; | |
2228 | } | |
a0d0e21e | 2229 | if (SvPVX(dstr)) { |
760ac839 | 2230 | (void)SvOOK_off(dstr); /* backoff */ |
8990e307 | 2231 | Safefree(SvPVX(dstr)); |
a0d0e21e LW |
2232 | SvLEN(dstr)=SvCUR(dstr)=0; |
2233 | } | |
8990e307 | 2234 | } |
a0d0e21e | 2235 | (void)SvOK_off(dstr); |
8990e307 | 2236 | SvRV(dstr) = SvREFCNT_inc(SvRV(sstr)); |
ed6116ce | 2237 | SvROK_on(dstr); |
8990e307 | 2238 | if (sflags & SVp_NOK) { |
ed6116ce LW |
2239 | SvNOK_on(dstr); |
2240 | SvNVX(dstr) = SvNVX(sstr); | |
2241 | } | |
8990e307 | 2242 | if (sflags & SVp_IOK) { |
a0d0e21e | 2243 | (void)SvIOK_on(dstr); |
ed6116ce LW |
2244 | SvIVX(dstr) = SvIVX(sstr); |
2245 | } | |
a0d0e21e LW |
2246 | #ifdef OVERLOAD |
2247 | if (SvAMAGIC(sstr)) { | |
2248 | SvAMAGIC_on(dstr); | |
2249 | } | |
2250 | #endif /* OVERLOAD */ | |
ed6116ce | 2251 | } |
8990e307 | 2252 | else if (sflags & SVp_POK) { |
79072805 LW |
2253 | |
2254 | /* | |
2255 | * Check to see if we can just swipe the string. If so, it's a | |
2256 | * possible small lose on short strings, but a big win on long ones. | |
463ee0b2 LW |
2257 | * It might even be a win on short strings if SvPVX(dstr) |
2258 | * has to be allocated and SvPVX(sstr) has to be freed. | |
79072805 LW |
2259 | */ |
2260 | ||
ff68c719 | 2261 | if (SvTEMP(sstr) && /* slated for free anyway? */ |
01b73108 | 2262 | SvREFCNT(sstr) == 1 && /* and no other references to it? */ |
a5f75d66 AD |
2263 | !(sflags & SVf_OOK)) /* and not involved in OOK hack? */ |
2264 | { | |
adbc6bb1 | 2265 | if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */ |
a5f75d66 AD |
2266 | if (SvOOK(dstr)) { |
2267 | SvFLAGS(dstr) &= ~SVf_OOK; | |
2268 | Safefree(SvPVX(dstr) - SvIVX(dstr)); | |
2269 | } | |
2270 | else | |
2271 | Safefree(SvPVX(dstr)); | |
79072805 | 2272 | } |
a5f75d66 | 2273 | (void)SvPOK_only(dstr); |
463ee0b2 | 2274 | SvPV_set(dstr, SvPVX(sstr)); |
79072805 LW |
2275 | SvLEN_set(dstr, SvLEN(sstr)); |
2276 | SvCUR_set(dstr, SvCUR(sstr)); | |
79072805 | 2277 | SvTEMP_off(dstr); |
a5f75d66 | 2278 | (void)SvOK_off(sstr); |
79072805 LW |
2279 | SvPV_set(sstr, Nullch); |
2280 | SvLEN_set(sstr, 0); | |
a5f75d66 AD |
2281 | SvCUR_set(sstr, 0); |
2282 | SvTEMP_off(sstr); | |
79072805 LW |
2283 | } |
2284 | else { /* have to copy actual string */ | |
8990e307 LW |
2285 | STRLEN len = SvCUR(sstr); |
2286 | ||
2287 | SvGROW(dstr, len + 1); /* inlined from sv_setpvn */ | |
2288 | Move(SvPVX(sstr),SvPVX(dstr),len,char); | |
2289 | SvCUR_set(dstr, len); | |
2290 | *SvEND(dstr) = '\0'; | |
a0d0e21e | 2291 | (void)SvPOK_only(dstr); |
79072805 LW |
2292 | } |
2293 | /*SUPPRESS 560*/ | |
8990e307 | 2294 | if (sflags & SVp_NOK) { |
79072805 | 2295 | SvNOK_on(dstr); |
463ee0b2 | 2296 | SvNVX(dstr) = SvNVX(sstr); |
79072805 | 2297 | } |
8990e307 | 2298 | if (sflags & SVp_IOK) { |
a0d0e21e | 2299 | (void)SvIOK_on(dstr); |
463ee0b2 | 2300 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2301 | } |
2302 | } | |
8990e307 | 2303 | else if (sflags & SVp_NOK) { |
463ee0b2 | 2304 | SvNVX(dstr) = SvNVX(sstr); |
a0d0e21e | 2305 | (void)SvNOK_only(dstr); |
79072805 | 2306 | if (SvIOK(sstr)) { |
a0d0e21e | 2307 | (void)SvIOK_on(dstr); |
463ee0b2 | 2308 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2309 | } |
2310 | } | |
8990e307 | 2311 | else if (sflags & SVp_IOK) { |
a0d0e21e | 2312 | (void)SvIOK_only(dstr); |
463ee0b2 | 2313 | SvIVX(dstr) = SvIVX(sstr); |
79072805 LW |
2314 | } |
2315 | else { | |
20408e3c | 2316 | if (dtype == SVt_PVGV) { |
599cee73 PM |
2317 | if (ckWARN(WARN_UNSAFE)) |
2318 | warner(WARN_UNSAFE, "Undefined value assigned to typeglob"); | |
20408e3c GS |
2319 | } |
2320 | else | |
2321 | (void)SvOK_off(dstr); | |
a0d0e21e | 2322 | } |
463ee0b2 | 2323 | SvTAINT(dstr); |
79072805 LW |
2324 | } |
2325 | ||
2326 | void | |
ef50df4b GS |
2327 | sv_setsv_mg(SV *dstr, register SV *sstr) |
2328 | { | |
2329 | sv_setsv(dstr,sstr); | |
2330 | SvSETMAGIC(dstr); | |
2331 | } | |
2332 | ||
2333 | void | |
8ac85365 | 2334 | sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len) |
79072805 | 2335 | { |
c6f8c383 | 2336 | register char *dptr; |
4561caa4 CS |
2337 | assert(len >= 0); /* STRLEN is probably unsigned, so this may |
2338 | elicit a warning, but it won't hurt. */ | |
2213622d | 2339 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2340 | if (!ptr) { |
a0d0e21e | 2341 | (void)SvOK_off(sv); |
463ee0b2 LW |
2342 | return; |
2343 | } | |
c07a80fd | 2344 | if (SvTYPE(sv) >= SVt_PV) { |
2345 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2346 | sv_unglob(sv); | |
2347 | } | |
c6f8c383 GA |
2348 | else |
2349 | sv_upgrade(sv, SVt_PV); | |
2350 | ||
79072805 | 2351 | SvGROW(sv, len + 1); |
c6f8c383 GA |
2352 | dptr = SvPVX(sv); |
2353 | Move(ptr,dptr,len,char); | |
2354 | dptr[len] = '\0'; | |
79072805 | 2355 | SvCUR_set(sv, len); |
a0d0e21e | 2356 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2357 | SvTAINT(sv); |
79072805 LW |
2358 | } |
2359 | ||
2360 | void | |
ef50df4b GS |
2361 | sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len) |
2362 | { | |
2363 | sv_setpvn(sv,ptr,len); | |
2364 | SvSETMAGIC(sv); | |
2365 | } | |
2366 | ||
2367 | void | |
8ac85365 | 2368 | sv_setpv(register SV *sv, register const char *ptr) |
79072805 LW |
2369 | { |
2370 | register STRLEN len; | |
2371 | ||
2213622d | 2372 | SV_CHECK_THINKFIRST(sv); |
463ee0b2 | 2373 | if (!ptr) { |
a0d0e21e | 2374 | (void)SvOK_off(sv); |
463ee0b2 LW |
2375 | return; |
2376 | } | |
79072805 | 2377 | len = strlen(ptr); |
c07a80fd | 2378 | if (SvTYPE(sv) >= SVt_PV) { |
2379 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) | |
2380 | sv_unglob(sv); | |
2381 | } | |
c6f8c383 GA |
2382 | else |
2383 | sv_upgrade(sv, SVt_PV); | |
2384 | ||
79072805 | 2385 | SvGROW(sv, len + 1); |
463ee0b2 | 2386 | Move(ptr,SvPVX(sv),len+1,char); |
79072805 | 2387 | SvCUR_set(sv, len); |
a0d0e21e | 2388 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 LW |
2389 | SvTAINT(sv); |
2390 | } | |
2391 | ||
2392 | void | |
ef50df4b GS |
2393 | sv_setpv_mg(register SV *sv, register const char *ptr) |
2394 | { | |
2395 | sv_setpv(sv,ptr); | |
2396 | SvSETMAGIC(sv); | |
2397 | } | |
2398 | ||
2399 | void | |
8ac85365 | 2400 | sv_usepvn(register SV *sv, register char *ptr, register STRLEN len) |
463ee0b2 | 2401 | { |
2213622d | 2402 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 2403 | (void)SvUPGRADE(sv, SVt_PV); |
463ee0b2 | 2404 | if (!ptr) { |
a0d0e21e | 2405 | (void)SvOK_off(sv); |
463ee0b2 LW |
2406 | return; |
2407 | } | |
a0ed51b3 | 2408 | (void)SvOOK_off(sv); |
463ee0b2 LW |
2409 | if (SvPVX(sv)) |
2410 | Safefree(SvPVX(sv)); | |
2411 | Renew(ptr, len+1, char); | |
2412 | SvPVX(sv) = ptr; | |
2413 | SvCUR_set(sv, len); | |
2414 | SvLEN_set(sv, len+1); | |
2415 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2416 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2417 | SvTAINT(sv); |
79072805 LW |
2418 | } |
2419 | ||
ef50df4b GS |
2420 | void |
2421 | sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len) | |
2422 | { | |
51c1089b | 2423 | sv_usepvn(sv,ptr,len); |
ef50df4b GS |
2424 | SvSETMAGIC(sv); |
2425 | } | |
2426 | ||
76e3520e | 2427 | STATIC void |
8ac85365 | 2428 | sv_check_thinkfirst(register SV *sv) |
0f15f207 | 2429 | { |
2213622d GA |
2430 | if (SvREADONLY(sv)) { |
2431 | dTHR; | |
3280af22 | 2432 | if (PL_curcop != &PL_compiling) |
22c35a8c | 2433 | croak(PL_no_modify); |
0f15f207 | 2434 | } |
2213622d GA |
2435 | if (SvROK(sv)) |
2436 | sv_unref(sv); | |
0f15f207 MB |
2437 | } |
2438 | ||
79072805 | 2439 | void |
8ac85365 NIS |
2440 | sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */ |
2441 | ||
2442 | ||
79072805 LW |
2443 | { |
2444 | register STRLEN delta; | |
2445 | ||
a0d0e21e | 2446 | if (!ptr || !SvPOKp(sv)) |
79072805 | 2447 | return; |
2213622d | 2448 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2449 | if (SvTYPE(sv) < SVt_PVIV) |
2450 | sv_upgrade(sv,SVt_PVIV); | |
2451 | ||
2452 | if (!SvOOK(sv)) { | |
463ee0b2 | 2453 | SvIVX(sv) = 0; |
79072805 LW |
2454 | SvFLAGS(sv) |= SVf_OOK; |
2455 | } | |
8990e307 | 2456 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK); |
463ee0b2 | 2457 | delta = ptr - SvPVX(sv); |
79072805 LW |
2458 | SvLEN(sv) -= delta; |
2459 | SvCUR(sv) -= delta; | |
463ee0b2 LW |
2460 | SvPVX(sv) += delta; |
2461 | SvIVX(sv) += delta; | |
79072805 LW |
2462 | } |
2463 | ||
2464 | void | |
8ac85365 | 2465 | sv_catpvn(register SV *sv, register char *ptr, register STRLEN len) |
79072805 | 2466 | { |
463ee0b2 | 2467 | STRLEN tlen; |
748a9306 | 2468 | char *junk; |
a0d0e21e | 2469 | |
748a9306 | 2470 | junk = SvPV_force(sv, tlen); |
463ee0b2 | 2471 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2472 | if (ptr == junk) |
2473 | ptr = SvPVX(sv); | |
463ee0b2 | 2474 | Move(ptr,SvPVX(sv)+tlen,len,char); |
79072805 LW |
2475 | SvCUR(sv) += len; |
2476 | *SvEND(sv) = '\0'; | |
a0d0e21e | 2477 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2478 | SvTAINT(sv); |
79072805 LW |
2479 | } |
2480 | ||
2481 | void | |
ef50df4b GS |
2482 | sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len) |
2483 | { | |
2484 | sv_catpvn(sv,ptr,len); | |
2485 | SvSETMAGIC(sv); | |
2486 | } | |
2487 | ||
2488 | void | |
8ac85365 | 2489 | sv_catsv(SV *dstr, register SV *sstr) |
79072805 LW |
2490 | { |
2491 | char *s; | |
463ee0b2 | 2492 | STRLEN len; |
79072805 LW |
2493 | if (!sstr) |
2494 | return; | |
463ee0b2 LW |
2495 | if (s = SvPV(sstr, len)) |
2496 | sv_catpvn(dstr,s,len); | |
79072805 LW |
2497 | } |
2498 | ||
2499 | void | |
ef50df4b GS |
2500 | sv_catsv_mg(SV *dstr, register SV *sstr) |
2501 | { | |
2502 | sv_catsv(dstr,sstr); | |
2503 | SvSETMAGIC(dstr); | |
2504 | } | |
2505 | ||
2506 | void | |
8ac85365 | 2507 | sv_catpv(register SV *sv, register char *ptr) |
79072805 LW |
2508 | { |
2509 | register STRLEN len; | |
463ee0b2 | 2510 | STRLEN tlen; |
748a9306 | 2511 | char *junk; |
79072805 | 2512 | |
79072805 LW |
2513 | if (!ptr) |
2514 | return; | |
748a9306 | 2515 | junk = SvPV_force(sv, tlen); |
79072805 | 2516 | len = strlen(ptr); |
463ee0b2 | 2517 | SvGROW(sv, tlen + len + 1); |
4633a7c4 LW |
2518 | if (ptr == junk) |
2519 | ptr = SvPVX(sv); | |
463ee0b2 | 2520 | Move(ptr,SvPVX(sv)+tlen,len+1,char); |
79072805 | 2521 | SvCUR(sv) += len; |
a0d0e21e | 2522 | (void)SvPOK_only(sv); /* validate pointer */ |
463ee0b2 | 2523 | SvTAINT(sv); |
79072805 LW |
2524 | } |
2525 | ||
ef50df4b GS |
2526 | void |
2527 | sv_catpv_mg(register SV *sv, register char *ptr) | |
2528 | { | |
51c1089b | 2529 | sv_catpv(sv,ptr); |
ef50df4b GS |
2530 | SvSETMAGIC(sv); |
2531 | } | |
2532 | ||
79072805 | 2533 | SV * |
8ac85365 | 2534 | newSV(STRLEN len) |
79072805 LW |
2535 | { |
2536 | register SV *sv; | |
2537 | ||
4561caa4 | 2538 | new_SV(sv); |
8990e307 LW |
2539 | SvANY(sv) = 0; |
2540 | SvREFCNT(sv) = 1; | |
2541 | SvFLAGS(sv) = 0; | |
79072805 LW |
2542 | if (len) { |
2543 | sv_upgrade(sv, SVt_PV); | |
2544 | SvGROW(sv, len + 1); | |
2545 | } | |
2546 | return sv; | |
2547 | } | |
2548 | ||
1edc1566 | 2549 | /* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */ |
2550 | ||
79072805 | 2551 | void |
8ac85365 | 2552 | sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen) |
79072805 LW |
2553 | { |
2554 | MAGIC* mg; | |
2555 | ||
0f15f207 MB |
2556 | if (SvREADONLY(sv)) { |
2557 | dTHR; | |
3280af22 | 2558 | if (PL_curcop != &PL_compiling && !strchr("gBf", how)) |
22c35a8c | 2559 | croak(PL_no_modify); |
0f15f207 | 2560 | } |
4633a7c4 | 2561 | if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) { |
748a9306 LW |
2562 | if (SvMAGIC(sv) && (mg = mg_find(sv, how))) { |
2563 | if (how == 't') | |
565764a8 | 2564 | mg->mg_len |= 1; |
463ee0b2 | 2565 | return; |
748a9306 | 2566 | } |
463ee0b2 LW |
2567 | } |
2568 | else { | |
c6f8c383 | 2569 | (void)SvUPGRADE(sv, SVt_PVMG); |
463ee0b2 | 2570 | } |
79072805 LW |
2571 | Newz(702,mg, 1, MAGIC); |
2572 | mg->mg_moremagic = SvMAGIC(sv); | |
463ee0b2 | 2573 | |
79072805 | 2574 | SvMAGIC(sv) = mg; |
c277df42 | 2575 | if (!obj || obj == sv || how == '#' || how == 'r') |
8990e307 | 2576 | mg->mg_obj = obj; |
85e6fe83 | 2577 | else { |
11343788 | 2578 | dTHR; |
8990e307 | 2579 | mg->mg_obj = SvREFCNT_inc(obj); |
85e6fe83 LW |
2580 | mg->mg_flags |= MGf_REFCOUNTED; |
2581 | } | |
79072805 | 2582 | mg->mg_type = how; |
565764a8 | 2583 | mg->mg_len = namlen; |
1edc1566 | 2584 | if (name) |
2585 | if (namlen >= 0) | |
2586 | mg->mg_ptr = savepvn(name, namlen); | |
c6ee37c5 | 2587 | else if (namlen == HEf_SVKEY) |
1edc1566 | 2588 | mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name); |
2589 | ||
79072805 LW |
2590 | switch (how) { |
2591 | case 0: | |
22c35a8c | 2592 | mg->mg_virtual = &PL_vtbl_sv; |
79072805 | 2593 | break; |
a0d0e21e LW |
2594 | #ifdef OVERLOAD |
2595 | case 'A': | |
22c35a8c | 2596 | mg->mg_virtual = &PL_vtbl_amagic; |
a0d0e21e LW |
2597 | break; |
2598 | case 'a': | |
22c35a8c | 2599 | mg->mg_virtual = &PL_vtbl_amagicelem; |
a0d0e21e LW |
2600 | break; |
2601 | case 'c': | |
2602 | mg->mg_virtual = 0; | |
2603 | break; | |
2604 | #endif /* OVERLOAD */ | |
79072805 | 2605 | case 'B': |
22c35a8c | 2606 | mg->mg_virtual = &PL_vtbl_bm; |
79072805 | 2607 | break; |
6cef1e77 | 2608 | case 'D': |
22c35a8c | 2609 | mg->mg_virtual = &PL_vtbl_regdata; |
6cef1e77 IZ |
2610 | break; |
2611 | case 'd': | |
22c35a8c | 2612 | mg->mg_virtual = &PL_vtbl_regdatum; |
6cef1e77 | 2613 | break; |
79072805 | 2614 | case 'E': |
22c35a8c | 2615 | mg->mg_virtual = &PL_vtbl_env; |
79072805 | 2616 | break; |
55497cff | 2617 | case 'f': |
22c35a8c | 2618 | mg->mg_virtual = &PL_vtbl_fm; |
55497cff | 2619 | break; |
79072805 | 2620 | case 'e': |
22c35a8c | 2621 | mg->mg_virtual = &PL_vtbl_envelem; |
79072805 | 2622 | break; |
93a17b20 | 2623 | case 'g': |
22c35a8c | 2624 | mg->mg_virtual = &PL_vtbl_mglob; |
93a17b20 | 2625 | break; |
463ee0b2 | 2626 | case 'I': |
22c35a8c | 2627 | mg->mg_virtual = &PL_vtbl_isa; |
463ee0b2 LW |
2628 | break; |
2629 | case 'i': | |
22c35a8c | 2630 | mg->mg_virtual = &PL_vtbl_isaelem; |
463ee0b2 | 2631 | break; |
16660edb | 2632 | case 'k': |
22c35a8c | 2633 | mg->mg_virtual = &PL_vtbl_nkeys; |
16660edb | 2634 | break; |
79072805 | 2635 | case 'L': |
a0d0e21e | 2636 | SvRMAGICAL_on(sv); |
93a17b20 LW |
2637 | mg->mg_virtual = 0; |
2638 | break; | |
2639 | case 'l': | |
22c35a8c | 2640 | mg->mg_virtual = &PL_vtbl_dbline; |
79072805 | 2641 | break; |
f93b4edd MB |
2642 | #ifdef USE_THREADS |
2643 | case 'm': | |
22c35a8c | 2644 | mg->mg_virtual = &PL_vtbl_mutex; |
f93b4edd MB |
2645 | break; |
2646 | #endif /* USE_THREADS */ | |
36477c24 | 2647 | #ifdef USE_LOCALE_COLLATE |
bbce6d69 | 2648 | case 'o': |
22c35a8c | 2649 | mg->mg_virtual = &PL_vtbl_collxfrm; |
bbce6d69 | 2650 | break; |
36477c24 | 2651 | #endif /* USE_LOCALE_COLLATE */ |
463ee0b2 | 2652 | case 'P': |
22c35a8c | 2653 | mg->mg_virtual = &PL_vtbl_pack; |
463ee0b2 LW |
2654 | break; |
2655 | case 'p': | |
a0d0e21e | 2656 | case 'q': |
22c35a8c | 2657 | mg->mg_virtual = &PL_vtbl_packelem; |
463ee0b2 | 2658 | break; |
c277df42 | 2659 | case 'r': |
22c35a8c | 2660 | mg->mg_virtual = &PL_vtbl_regexp; |
c277df42 | 2661 | break; |
79072805 | 2662 | case 'S': |
22c35a8c | 2663 | mg->mg_virtual = &PL_vtbl_sig; |
79072805 LW |
2664 | break; |
2665 | case 's': | |
22c35a8c | 2666 | mg->mg_virtual = &PL_vtbl_sigelem; |
79072805 | 2667 | break; |
463ee0b2 | 2668 | case 't': |
22c35a8c | 2669 | mg->mg_virtual = &PL_vtbl_taint; |
565764a8 | 2670 | mg->mg_len = 1; |
463ee0b2 | 2671 | break; |
79072805 | 2672 | case 'U': |
22c35a8c | 2673 | mg->mg_virtual = &PL_vtbl_uvar; |
79072805 LW |
2674 | break; |
2675 | case 'v': | |
22c35a8c | 2676 | mg->mg_virtual = &PL_vtbl_vec; |
79072805 LW |
2677 | break; |
2678 | case 'x': | |
22c35a8c | 2679 | mg->mg_virtual = &PL_vtbl_substr; |
79072805 | 2680 | break; |
5f05dabc | 2681 | case 'y': |
22c35a8c | 2682 | mg->mg_virtual = &PL_vtbl_defelem; |
5f05dabc | 2683 | break; |
79072805 | 2684 | case '*': |
22c35a8c | 2685 | mg->mg_virtual = &PL_vtbl_glob; |
79072805 LW |
2686 | break; |
2687 | case '#': | |
22c35a8c | 2688 | mg->mg_virtual = &PL_vtbl_arylen; |
79072805 | 2689 | break; |
a0d0e21e | 2690 | case '.': |
22c35a8c | 2691 | mg->mg_virtual = &PL_vtbl_pos; |
a0d0e21e | 2692 | break; |
4633a7c4 LW |
2693 | case '~': /* Reserved for use by extensions not perl internals. */ |
2694 | /* Useful for attaching extension internal data to perl vars. */ | |
2695 | /* Note that multiple extensions may clash if magical scalars */ | |
2696 | /* etc holding private data from one are passed to another. */ | |
2697 | SvRMAGICAL_on(sv); | |
a0d0e21e | 2698 | break; |
79072805 | 2699 | default: |
463ee0b2 LW |
2700 | croak("Don't know how to handle magic of type '%c'", how); |
2701 | } | |
8990e307 LW |
2702 | mg_magical(sv); |
2703 | if (SvGMAGICAL(sv)) | |
2704 | SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVf_POK); | |
463ee0b2 LW |
2705 | } |
2706 | ||
2707 | int | |
8ac85365 | 2708 | sv_unmagic(SV *sv, int type) |
463ee0b2 LW |
2709 | { |
2710 | MAGIC* mg; | |
2711 | MAGIC** mgp; | |
91bba347 | 2712 | if (SvTYPE(sv) < SVt_PVMG || !SvMAGIC(sv)) |
463ee0b2 LW |
2713 | return 0; |
2714 | mgp = &SvMAGIC(sv); | |
2715 | for (mg = *mgp; mg; mg = *mgp) { | |
2716 | if (mg->mg_type == type) { | |
2717 | MGVTBL* vtbl = mg->mg_virtual; | |
2718 | *mgp = mg->mg_moremagic; | |
76e3520e GS |
2719 | if (vtbl && (vtbl->svt_free != NULL)) |
2720 | (VTBL->svt_free)(sv, mg); | |
463ee0b2 | 2721 | if (mg->mg_ptr && mg->mg_type != 'g') |
565764a8 | 2722 | if (mg->mg_len >= 0) |
1edc1566 | 2723 | Safefree(mg->mg_ptr); |
565764a8 | 2724 | else if (mg->mg_len == HEf_SVKEY) |
1edc1566 | 2725 | SvREFCNT_dec((SV*)mg->mg_ptr); |
a0d0e21e LW |
2726 | if (mg->mg_flags & MGf_REFCOUNTED) |
2727 | SvREFCNT_dec(mg->mg_obj); | |
463ee0b2 LW |
2728 | Safefree(mg); |
2729 | } | |
2730 | else | |
2731 | mgp = &mg->mg_moremagic; | |
79072805 | 2732 | } |
91bba347 | 2733 | if (!SvMAGIC(sv)) { |
463ee0b2 | 2734 | SvMAGICAL_off(sv); |
8990e307 | 2735 | SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT; |
463ee0b2 LW |
2736 | } |
2737 | ||
2738 | return 0; | |
79072805 LW |
2739 | } |
2740 | ||
2741 | void | |
8ac85365 | 2742 | sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen) |
79072805 LW |
2743 | { |
2744 | register char *big; | |
2745 | register char *mid; | |
2746 | register char *midend; | |
2747 | register char *bigend; | |
2748 | register I32 i; | |
6ff81951 GS |
2749 | STRLEN curlen; |
2750 | ||
79072805 | 2751 | |
8990e307 LW |
2752 | if (!bigstr) |
2753 | croak("Can't modify non-existent substring"); | |
6ff81951 GS |
2754 | SvPV_force(bigstr, curlen); |
2755 | if (offset + len > curlen) { | |
2756 | SvGROW(bigstr, offset+len+1); | |
2757 | Zero(SvPVX(bigstr)+curlen, offset+len-curlen, char); | |
2758 | SvCUR_set(bigstr, offset+len); | |
2759 | } | |
79072805 LW |
2760 | |
2761 | i = littlelen - len; | |
2762 | if (i > 0) { /* string might grow */ | |
a0d0e21e | 2763 | big = SvGROW(bigstr, SvCUR(bigstr) + i + 1); |
79072805 LW |
2764 | mid = big + offset + len; |
2765 | midend = bigend = big + SvCUR(bigstr); | |
2766 | bigend += i; | |
2767 | *bigend = '\0'; | |
2768 | while (midend > mid) /* shove everything down */ | |
2769 | *--bigend = *--midend; | |
2770 | Move(little,big+offset,littlelen,char); | |
2771 | SvCUR(bigstr) += i; | |
2772 | SvSETMAGIC(bigstr); | |
2773 | return; | |
2774 | } | |
2775 | else if (i == 0) { | |
463ee0b2 | 2776 | Move(little,SvPVX(bigstr)+offset,len,char); |
79072805 LW |
2777 | SvSETMAGIC(bigstr); |
2778 | return; | |
2779 | } | |
2780 | ||
463ee0b2 | 2781 | big = SvPVX(bigstr); |
79072805 LW |
2782 | mid = big + offset; |
2783 | midend = mid + len; | |
2784 | bigend = big + SvCUR(bigstr); | |
2785 | ||
2786 | if (midend > bigend) | |
463ee0b2 | 2787 | croak("panic: sv_insert"); |
79072805 LW |
2788 | |
2789 | if (mid - big > bigend - midend) { /* faster to shorten from end */ | |
2790 | if (littlelen) { | |
2791 | Move(little, mid, littlelen,char); | |
2792 | mid += littlelen; | |
2793 | } | |
2794 | i = bigend - midend; | |
2795 | if (i > 0) { | |
2796 | Move(midend, mid, i,char); | |
2797 | mid += i; | |
2798 | } | |
2799 | *mid = '\0'; | |
2800 | SvCUR_set(bigstr, mid - big); | |
2801 | } | |
2802 | /*SUPPRESS 560*/ | |
2803 | else if (i = mid - big) { /* faster from front */ | |
2804 | midend -= littlelen; | |
2805 | mid = midend; | |
2806 | sv_chop(bigstr,midend-i); | |
2807 | big += i; | |
2808 | while (i--) | |
2809 | *--midend = *--big; | |
2810 | if (littlelen) | |
2811 | Move(little, mid, littlelen,char); | |
2812 | } | |
2813 | else if (littlelen) { | |
2814 | midend -= littlelen; | |
2815 | sv_chop(bigstr,midend); | |
2816 | Move(little,midend,littlelen,char); | |
2817 | } | |
2818 | else { | |
2819 | sv_chop(bigstr,midend); | |
2820 | } | |
2821 | SvSETMAGIC(bigstr); | |
2822 | } | |
2823 | ||
2824 | /* make sv point to what nstr did */ | |
2825 | ||
2826 | void | |
8ac85365 | 2827 | sv_replace(register SV *sv, register SV *nsv) |
79072805 LW |
2828 | { |
2829 | U32 refcnt = SvREFCNT(sv); | |
2213622d | 2830 | SV_CHECK_THINKFIRST(sv); |
79072805 LW |
2831 | if (SvREFCNT(nsv) != 1) |
2832 | warn("Reference miscount in sv_replace()"); | |
93a17b20 | 2833 | if (SvMAGICAL(sv)) { |
a0d0e21e LW |
2834 | if (SvMAGICAL(nsv)) |
2835 | mg_free(nsv); | |
2836 | else | |
2837 | sv_upgrade(nsv, SVt_PVMG); | |
93a17b20 | 2838 | SvMAGIC(nsv) = SvMAGIC(sv); |
a0d0e21e | 2839 | SvFLAGS(nsv) |= SvMAGICAL(sv); |
93a17b20 LW |
2840 | SvMAGICAL_off(sv); |
2841 | SvMAGIC(sv) = 0; | |
2842 | } | |
79072805 LW |
2843 | SvREFCNT(sv) = 0; |
2844 | sv_clear(sv); | |
477f5d66 | 2845 | assert(!SvREFCNT(sv)); |
79072805 LW |
2846 | StructCopy(nsv,sv,SV); |
2847 | SvREFCNT(sv) = refcnt; | |
1edc1566 | 2848 | SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */ |
463ee0b2 | 2849 | del_SV(nsv); |
79072805 LW |
2850 | } |
2851 | ||
2852 | void | |
8ac85365 | 2853 | sv_clear(register SV *sv) |
79072805 | 2854 | { |
ec12f114 | 2855 | HV* stash; |
79072805 LW |
2856 | assert(sv); |
2857 | assert(SvREFCNT(sv) == 0); | |
2858 | ||
ed6116ce | 2859 | if (SvOBJECT(sv)) { |
e858de61 | 2860 | dTHR; |
3280af22 | 2861 | if (PL_defstash) { /* Still have a symbol table? */ |
4e35701f | 2862 | djSP; |
8ebc5c01 | 2863 | GV* destructor; |
837485b6 | 2864 | SV tmpref; |
a0d0e21e | 2865 | |
837485b6 GS |
2866 | Zero(&tmpref, 1, SV); |
2867 | sv_upgrade(&tmpref, SVt_RV); | |
2868 | SvROK_on(&tmpref); | |
2869 | SvREADONLY_on(&tmpref); /* DESTROY() could be naughty */ | |
2870 | SvREFCNT(&tmpref) = 1; | |
8ebc5c01 | 2871 | |
4e8e7886 GS |
2872 | do { |
2873 | stash = SvSTASH(sv); | |
2874 | destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY"); | |
2875 | if (destructor) { | |
2876 | ENTER; | |
e788e7d3 | 2877 | PUSHSTACKi(PERLSI_DESTROY); |
837485b6 | 2878 | SvRV(&tmpref) = SvREFCNT_inc(sv); |
4e8e7886 GS |
2879 | EXTEND(SP, 2); |
2880 | PUSHMARK(SP); | |
837485b6 | 2881 | PUSHs(&tmpref); |
4e8e7886 GS |
2882 | PUTBACK; |
2883 | perl_call_sv((SV*)GvCV(destructor), | |
2884 | G_DISCARD|G_EVAL|G_KEEPERR); | |
2885 | SvREFCNT(sv)--; | |
d3acc0f7 | 2886 | POPSTACK; |
4e8e7886 GS |
2887 | LEAVE; |
2888 | } | |
2889 | } while (SvOBJECT(sv) && SvSTASH(sv) != stash); | |
8ebc5c01 | 2890 | |
837485b6 | 2891 | del_XRV(SvANY(&tmpref)); |
a0d0e21e | 2892 | } |
4e8e7886 | 2893 | |
a0d0e21e | 2894 | if (SvOBJECT(sv)) { |
4e8e7886 | 2895 | SvREFCNT_dec(SvSTASH(sv)); /* possibly of changed persuasion */ |
a0d0e21e LW |
2896 | SvOBJECT_off(sv); /* Curse the object. */ |
2897 | if (SvTYPE(sv) != SVt_PVIO) | |
3280af22 | 2898 | --PL_sv_objcount; /* XXX Might want something more general */ |
a0d0e21e | 2899 | } |
1edc1566 | 2900 | if (SvREFCNT(sv)) { |
3280af22 | 2901 | if (PL_in_clean_objs) |
477f5d66 CS |
2902 | croak("DESTROY created new reference to dead object"); |
2903 | /* DESTROY gave object new lease on life */ | |
2904 | return; | |
1edc1566 | 2905 | } |
463ee0b2 | 2906 | } |
c07a80fd | 2907 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) |
a0d0e21e | 2908 | mg_free(sv); |
ec12f114 | 2909 | stash = NULL; |
79072805 | 2910 | switch (SvTYPE(sv)) { |
8990e307 | 2911 | case SVt_PVIO: |
df0bd2f4 GS |
2912 | if (IoIFP(sv) && |
2913 | IoIFP(sv) != PerlIO_stdin() && | |
5f05dabc | 2914 | IoIFP(sv) != PerlIO_stdout() && |
2915 | IoIFP(sv) != PerlIO_stderr()) | |
2916 | io_close((IO*)sv); | |
8990e307 LW |
2917 | Safefree(IoTOP_NAME(sv)); |
2918 | Safefree(IoFMT_NAME(sv)); | |
2919 | Safefree(IoBOTTOM_NAME(sv)); | |
a0d0e21e | 2920 | /* FALL THROUGH */ |
79072805 | 2921 | case SVt_PVBM: |
a0d0e21e | 2922 | goto freescalar; |
79072805 | 2923 | case SVt_PVCV: |
748a9306 | 2924 | case SVt_PVFM: |
85e6fe83 | 2925 | cv_undef((CV*)sv); |
a0d0e21e | 2926 | goto freescalar; |
79072805 | 2927 | case SVt_PVHV: |
85e6fe83 | 2928 | hv_undef((HV*)sv); |
a0d0e21e | 2929 | break; |
79072805 | 2930 | case SVt_PVAV: |
85e6fe83 | 2931 | av_undef((AV*)sv); |
a0d0e21e | 2932 | break; |
02270b4e GS |
2933 | case SVt_PVLV: |
2934 | SvREFCNT_dec(LvTARG(sv)); | |
2935 | goto freescalar; | |
a0d0e21e | 2936 | case SVt_PVGV: |
1edc1566 | 2937 | gp_free((GV*)sv); |
a0d0e21e | 2938 | Safefree(GvNAME(sv)); |
ec12f114 JPC |
2939 | /* cannot decrease stash refcount yet, as we might recursively delete |
2940 | ourselves when the refcnt drops to zero. Delay SvREFCNT_dec | |
2941 | of stash until current sv is completely gone. | |
2942 | -- JohnPC, 27 Mar 1998 */ | |
2943 | stash = GvSTASH(sv); | |
a0d0e21e | 2944 | /* FALL THROUGH */ |
79072805 | 2945 | case SVt_PVMG: |
79072805 LW |
2946 | case SVt_PVNV: |
2947 | case SVt_PVIV: | |
a0d0e21e LW |
2948 | freescalar: |
2949 | (void)SvOOK_off(sv); | |
79072805 LW |
2950 | /* FALL THROUGH */ |
2951 | case SVt_PV: | |
a0d0e21e | 2952 | case SVt_RV: |
8990e307 LW |
2953 | if (SvROK(sv)) |
2954 | SvREFCNT_dec(SvRV(sv)); | |
1edc1566 | 2955 | else if (SvPVX(sv) && SvLEN(sv)) |
463ee0b2 | 2956 | Safefree(SvPVX(sv)); |
79072805 | 2957 | break; |
a0d0e21e | 2958 | /* |
79072805 | 2959 | case SVt_NV: |
79072805 | 2960 | case SVt_IV: |
79072805 LW |
2961 | case SVt_NULL: |
2962 | break; | |
a0d0e21e | 2963 | */ |
79072805 LW |
2964 | } |
2965 | ||
2966 | switch (SvTYPE(sv)) { | |
2967 | case SVt_NULL: | |
2968 | break; | |
79072805 LW |
2969 | case SVt_IV: |
2970 | del_XIV(SvANY(sv)); | |
2971 | break; | |
2972 | case SVt_NV: | |
2973 | del_XNV(SvANY(sv)); | |
2974 | break; | |
ed6116ce LW |
2975 | case SVt_RV: |
2976 | del_XRV(SvANY(sv)); | |
2977 | break; | |
79072805 LW |
2978 | case SVt_PV: |
2979 | del_XPV(SvANY(sv)); | |
2980 | break; | |
2981 | case SVt_PVIV: | |
2982 | del_XPVIV(SvANY(sv)); | |
2983 | break; | |
2984 | case SVt_PVNV: | |
2985 | del_XPVNV(SvANY(sv)); | |
2986 | break; | |
2987 | case SVt_PVMG: | |
2988 | del_XPVMG(SvANY(sv)); | |
2989 | break; | |
2990 | case SVt_PVLV: | |
2991 | del_XPVLV(SvANY(sv)); | |
2992 | break; | |
2993 | case SVt_PVAV: | |
2994 | del_XPVAV(SvANY(sv)); | |
2995 | break; | |
2996 | case SVt_PVHV: | |
2997 | del_XPVHV(SvANY(sv)); | |
2998 | break; | |
2999 | case SVt_PVCV: | |
3000 | del_XPVCV(SvANY(sv)); | |
3001 | break; | |
3002 | case SVt_PVGV: | |
3003 | del_XPVGV(SvANY(sv)); | |
ec12f114 JPC |
3004 | /* code duplication for increased performance. */ |
3005 | SvFLAGS(sv) &= SVf_BREAK; | |
3006 | SvFLAGS(sv) |= SVTYPEMASK; | |
3007 | /* decrease refcount of the stash that owns this GV, if any */ | |
3008 | if (stash) | |
3009 | SvREFCNT_dec(stash); | |
3010 | return; /* not break, SvFLAGS reset already happened */ | |
79072805 LW |
3011 | case SVt_PVBM: |
3012 | del_XPVBM(SvANY(sv)); | |
3013 | break; | |
3014 | case SVt_PVFM: | |
3015 | del_XPVFM(SvANY(sv)); | |
3016 | break; | |
8990e307 LW |
3017 | case SVt_PVIO: |
3018 | del_XPVIO(SvANY(sv)); | |
3019 | break; | |
79072805 | 3020 | } |
a0d0e21e | 3021 | SvFLAGS(sv) &= SVf_BREAK; |
8990e307 | 3022 | SvFLAGS(sv) |= SVTYPEMASK; |
79072805 LW |
3023 | } |
3024 | ||
3025 | SV * | |
8ac85365 | 3026 | sv_newref(SV *sv) |
79072805 | 3027 | { |
463ee0b2 | 3028 | if (sv) |
dce16143 | 3029 | ATOMIC_INC(SvREFCNT(sv)); |
79072805 LW |
3030 | return sv; |
3031 | } | |
3032 | ||
3033 | void | |
8ac85365 | 3034 | sv_free(SV *sv) |
79072805 | 3035 | { |
dce16143 MB |
3036 | int refcount_is_zero; |
3037 | ||
79072805 LW |
3038 | if (!sv) |
3039 | return; | |
a0d0e21e LW |
3040 | if (SvREFCNT(sv) == 0) { |
3041 | if (SvFLAGS(sv) & SVf_BREAK) | |
3042 | return; | |
3280af22 | 3043 | if (PL_in_clean_all) /* All is fair */ |
1edc1566 | 3044 | return; |
d689ffdd JP |
3045 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3046 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3047 | SvREFCNT(sv) = (~(U32)0)/2; | |
3048 | return; | |
3049 | } | |
79072805 LW |
3050 | warn("Attempt to free unreferenced scalar"); |
3051 | return; | |
3052 | } | |
dce16143 MB |
3053 | ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv)); |
3054 | if (!refcount_is_zero) | |
8990e307 | 3055 | return; |
463ee0b2 LW |
3056 | #ifdef DEBUGGING |
3057 | if (SvTEMP(sv)) { | |
7f20e9dd | 3058 | warn("Attempt to free temp prematurely: SV 0x%lx", (unsigned long)sv); |
79072805 | 3059 | return; |
79072805 | 3060 | } |
463ee0b2 | 3061 | #endif |
d689ffdd JP |
3062 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) { |
3063 | /* make sure SvREFCNT(sv)==0 happens very seldom */ | |
3064 | SvREFCNT(sv) = (~(U32)0)/2; | |
3065 | return; | |
3066 | } | |
79072805 | 3067 | sv_clear(sv); |
477f5d66 CS |
3068 | if (! SvREFCNT(sv)) |
3069 | del_SV(sv); | |
79072805 LW |
3070 | } |
3071 | ||
3072 | STRLEN | |
8ac85365 | 3073 | sv_len(register SV *sv) |
79072805 | 3074 | { |
748a9306 | 3075 | char *junk; |
463ee0b2 | 3076 | STRLEN len; |
79072805 LW |
3077 | |
3078 | if (!sv) | |
3079 | return 0; | |
3080 | ||
8990e307 | 3081 | if (SvGMAGICAL(sv)) |
565764a8 | 3082 | len = mg_length(sv); |
8990e307 | 3083 | else |
748a9306 | 3084 | junk = SvPV(sv, len); |
463ee0b2 | 3085 | return len; |
79072805 LW |
3086 | } |
3087 | ||
a0ed51b3 LW |
3088 | STRLEN |
3089 | sv_len_utf8(register SV *sv) | |
3090 | { | |
dfe13c55 GS |
3091 | U8 *s; |
3092 | U8 *send; | |
a0ed51b3 LW |
3093 | STRLEN len; |
3094 | ||
3095 | if (!sv) | |
3096 | return 0; | |
3097 | ||
3098 | #ifdef NOTYET | |
3099 | if (SvGMAGICAL(sv)) | |
3100 | len = mg_length(sv); | |
3101 | else | |
3102 | #endif | |
dfe13c55 | 3103 | s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3104 | send = s + len; |
3105 | len = 0; | |
3106 | while (s < send) { | |
3107 | s += UTF8SKIP(s); | |
3108 | len++; | |
3109 | } | |
3110 | return len; | |
3111 | } | |
3112 | ||
3113 | void | |
3114 | sv_pos_u2b(register SV *sv, I32* offsetp, I32* lenp) | |
3115 | { | |
dfe13c55 GS |
3116 | U8 *start; |
3117 | U8 *s; | |
3118 | U8 *send; | |
a0ed51b3 LW |
3119 | I32 uoffset = *offsetp; |
3120 | STRLEN len; | |
3121 | ||
3122 | if (!sv) | |
3123 | return; | |
3124 | ||
dfe13c55 | 3125 | start = s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3126 | send = s + len; |
3127 | while (s < send && uoffset--) | |
3128 | s += UTF8SKIP(s); | |
bb40f870 GA |
3129 | if (s >= send) |
3130 | s = send; | |
a0ed51b3 LW |
3131 | *offsetp = s - start; |
3132 | if (lenp) { | |
3133 | I32 ulen = *lenp; | |
3134 | start = s; | |
3135 | while (s < send && ulen--) | |
3136 | s += UTF8SKIP(s); | |
bb40f870 GA |
3137 | if (s >= send) |
3138 | s = send; | |
a0ed51b3 LW |
3139 | *lenp = s - start; |
3140 | } | |
3141 | return; | |
3142 | } | |
3143 | ||
3144 | void | |
3145 | sv_pos_b2u(register SV *sv, I32* offsetp) | |
3146 | { | |
dfe13c55 GS |
3147 | U8 *s; |
3148 | U8 *send; | |
a0ed51b3 LW |
3149 | STRLEN len; |
3150 | ||
3151 | if (!sv) | |
3152 | return; | |
3153 | ||
dfe13c55 | 3154 | s = (U8*)SvPV(sv, len); |
a0ed51b3 LW |
3155 | if (len < *offsetp) |
3156 | croak("panic: bad byte offset"); | |
3157 | send = s + *offsetp; | |
3158 | len = 0; | |
3159 | while (s < send) { | |
3160 | s += UTF8SKIP(s); | |
3161 | ++len; | |
3162 | } | |
3163 | if (s != send) { | |
3164 | warn("Malformed UTF-8 character"); | |
3165 | --len; | |
3166 | } | |
3167 | *offsetp = len; | |
3168 | return; | |
3169 | } | |
3170 | ||
79072805 | 3171 | I32 |
8ac85365 | 3172 | sv_eq(register SV *str1, register SV *str2) |
79072805 LW |
3173 | { |
3174 | char *pv1; | |
463ee0b2 | 3175 | STRLEN cur1; |
79072805 | 3176 | char *pv2; |
463ee0b2 | 3177 | STRLEN cur2; |
79072805 LW |
3178 | |
3179 | if (!str1) { | |
3180 | pv1 = ""; | |
3181 | cur1 = 0; | |
3182 | } | |
463ee0b2 LW |
3183 | else |
3184 | pv1 = SvPV(str1, cur1); | |
79072805 LW |
3185 | |
3186 | if (!str2) | |
3187 | return !cur1; | |
463ee0b2 LW |
3188 | else |
3189 | pv2 = SvPV(str2, cur2); | |
79072805 LW |
3190 | |
3191 | if (cur1 != cur2) | |
3192 | return 0; | |
3193 | ||
36477c24 | 3194 | return memEQ(pv1, pv2, cur1); |
79072805 LW |
3195 | } |
3196 | ||
3197 | I32 | |
8ac85365 | 3198 | sv_cmp(register SV *str1, register SV *str2) |
79072805 | 3199 | { |
bbce6d69 | 3200 | STRLEN cur1 = 0; |
8ac85365 | 3201 | char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL; |
bbce6d69 | 3202 | STRLEN cur2 = 0; |
8ac85365 | 3203 | char *pv2 = str2 ? SvPV(str2, cur2) : (char *) NULL; |
79072805 | 3204 | I32 retval; |
79072805 | 3205 | |
bbce6d69 | 3206 | if (!cur1) |
3207 | return cur2 ? -1 : 0; | |
16660edb | 3208 | |
bbce6d69 | 3209 | if (!cur2) |
3210 | return 1; | |
79072805 | 3211 | |
bbce6d69 | 3212 | retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2); |
16660edb | 3213 | |
bbce6d69 | 3214 | if (retval) |
3215 | return retval < 0 ? -1 : 1; | |
16660edb | 3216 | |
bbce6d69 | 3217 | if (cur1 == cur2) |
3218 | return 0; | |
3219 | else | |
3220 | return cur1 < cur2 ? -1 : 1; | |
3221 | } | |
16660edb | 3222 | |
bbce6d69 | 3223 | I32 |
8ac85365 | 3224 | sv_cmp_locale(register SV *sv1, register SV *sv2) |
bbce6d69 | 3225 | { |
36477c24 | 3226 | #ifdef USE_LOCALE_COLLATE |
16660edb | 3227 | |
bbce6d69 | 3228 | char *pv1, *pv2; |
3229 | STRLEN len1, len2; | |
3230 | I32 retval; | |
16660edb | 3231 | |
3280af22 | 3232 | if (PL_collation_standard) |
bbce6d69 | 3233 | goto raw_compare; |
16660edb | 3234 | |
bbce6d69 | 3235 | len1 = 0; |
8ac85365 | 3236 | pv1 = sv1 ? sv_collxfrm(sv1, &len1) : (char *) NULL; |
bbce6d69 | 3237 | len2 = 0; |
8ac85365 | 3238 | pv2 = sv2 ? sv_collxfrm(sv2, &len2) : (char *) NULL; |
16660edb | 3239 | |
bbce6d69 | 3240 | if (!pv1 || !len1) { |
3241 | if (pv2 && len2) | |
3242 | return -1; | |
3243 | else | |
3244 | goto raw_compare; | |
3245 | } | |
3246 | else { | |
3247 | if (!pv2 || !len2) | |
3248 | return 1; | |
3249 | } | |
16660edb | 3250 | |
bbce6d69 | 3251 | retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2); |
16660edb | 3252 | |
bbce6d69 | 3253 | if (retval) |
16660edb | 3254 | return retval < 0 ? -1 : 1; |
3255 | ||
bbce6d69 | 3256 | /* |
3257 | * When the result of collation is equality, that doesn't mean | |
3258 | * that there are no differences -- some locales exclude some | |
3259 | * characters from consideration. So to avoid false equalities, | |
3260 | * we use the raw string as a tiebreaker. | |
3261 | */ | |
16660edb | 3262 | |
bbce6d69 | 3263 | raw_compare: |
3264 | /* FALL THROUGH */ | |
16660edb | 3265 | |
36477c24 | 3266 | #endif /* USE_LOCALE_COLLATE */ |
16660edb | 3267 | |
bbce6d69 | 3268 | return sv_cmp(sv1, sv2); |
3269 | } | |
79072805 | 3270 | |
36477c24 | 3271 | #ifdef USE_LOCALE_COLLATE |
7a4c00b4 | 3272 | /* |
3273 | * Any scalar variable may carry an 'o' magic that contains the | |
3274 | * scalar data of the variable transformed to such a format that | |
3275 | * a normal memory comparison can be used to compare the data | |
3276 | * according to the locale settings. | |
3277 | */ | |
bbce6d69 | 3278 | char * |
8ac85365 | 3279 | sv_collxfrm(SV *sv, STRLEN *nxp) |
bbce6d69 | 3280 | { |
7a4c00b4 | 3281 | MAGIC *mg; |
16660edb | 3282 | |
8ac85365 | 3283 | mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : (MAGIC *) NULL; |
3280af22 | 3284 | if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != PL_collation_ix) { |
bbce6d69 | 3285 | char *s, *xf; |
3286 | STRLEN len, xlen; | |
3287 | ||
7a4c00b4 | 3288 | if (mg) |
3289 | Safefree(mg->mg_ptr); | |
bbce6d69 | 3290 | s = SvPV(sv, len); |
3291 | if ((xf = mem_collxfrm(s, len, &xlen))) { | |
ff0cee69 | 3292 | if (SvREADONLY(sv)) { |
3293 | SAVEFREEPV(xf); | |
3294 | *nxp = xlen; | |
3280af22 | 3295 | return xf + sizeof(PL_collation_ix); |
ff0cee69 | 3296 | } |
7a4c00b4 | 3297 | if (! mg) { |
3298 | sv_magic(sv, 0, 'o', 0, 0); | |
3299 | mg = mg_find(sv, 'o'); | |
3300 | assert(mg); | |
bbce6d69 | 3301 | } |
7a4c00b4 | 3302 | mg->mg_ptr = xf; |
565764a8 | 3303 | mg->mg_len = xlen; |
7a4c00b4 | 3304 | } |
3305 | else { | |
ff0cee69 | 3306 | if (mg) { |
3307 | mg->mg_ptr = NULL; | |
565764a8 | 3308 | mg->mg_len = -1; |
ff0cee69 | 3309 | } |
bbce6d69 | 3310 | } |
3311 | } | |
7a4c00b4 | 3312 | if (mg && mg->mg_ptr) { |
565764a8 | 3313 | *nxp = mg->mg_len; |
3280af22 | 3314 | return mg->mg_ptr + sizeof(PL_collation_ix); |
bbce6d69 | 3315 | } |
3316 | else { | |
3317 | *nxp = 0; | |
3318 | return NULL; | |
16660edb | 3319 | } |
79072805 LW |
3320 | } |
3321 | ||
36477c24 | 3322 | #endif /* USE_LOCALE_COLLATE */ |
bbce6d69 | 3323 | |
79072805 | 3324 | char * |
76e3520e | 3325 | sv_gets(register SV *sv, register PerlIO *fp, I32 append) |
79072805 | 3326 | { |
aeea060c | 3327 | dTHR; |
c07a80fd | 3328 | char *rsptr; |
3329 | STRLEN rslen; | |
3330 | register STDCHAR rslast; | |
3331 | register STDCHAR *bp; | |
3332 | register I32 cnt; | |
3333 | I32 i; | |
3334 | ||
2213622d | 3335 | SV_CHECK_THINKFIRST(sv); |
c6f8c383 | 3336 | (void)SvUPGRADE(sv, SVt_PV); |
ff68c719 | 3337 | SvSCREAM_off(sv); |
c07a80fd | 3338 | |
3280af22 | 3339 | if (RsSNARF(PL_rs)) { |
c07a80fd | 3340 | rsptr = NULL; |
3341 | rslen = 0; | |
3342 | } | |
3280af22 | 3343 | else if (RsRECORD(PL_rs)) { |
5b2b9c68 HM |
3344 | I32 recsize, bytesread; |
3345 | char *buffer; | |
3346 | ||
3347 | /* Grab the size of the record we're getting */ | |
3280af22 | 3348 | recsize = SvIV(SvRV(PL_rs)); |
5b2b9c68 | 3349 | (void)SvPOK_only(sv); /* Validate pointer */ |
e670df4e | 3350 | buffer = SvGROW(sv, recsize + 1); |
5b2b9c68 HM |
3351 | /* Go yank in */ |
3352 | #ifdef VMS | |
3353 | /* VMS wants read instead of fread, because fread doesn't respect */ | |
3354 | /* RMS record boundaries. This is not necessarily a good thing to be */ | |
3355 | /* doing, but we've got no other real choice */ | |
3356 | bytesread = PerlLIO_read(PerlIO_fileno(fp), buffer, recsize); | |
3357 | #else | |
3358 | bytesread = PerlIO_read(fp, buffer, recsize); | |
3359 | #endif | |
3360 | SvCUR_set(sv, bytesread); | |
e670df4e | 3361 | buffer[bytesread] = '\0'; |
5b2b9c68 HM |
3362 | return(SvCUR(sv) ? SvPVX(sv) : Nullch); |
3363 | } | |
3280af22 | 3364 | else if (RsPARA(PL_rs)) { |
c07a80fd | 3365 | rsptr = "\n\n"; |
3366 | rslen = 2; | |
3367 | } | |
3368 | else | |
3280af22 | 3369 | rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 3370 | rslast = rslen ? rsptr[rslen - 1] : '\0'; |
3371 | ||
3280af22 | 3372 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
79072805 | 3373 | do { /* to make sure file boundaries work right */ |
760ac839 | 3374 | if (PerlIO_eof(fp)) |
a0d0e21e | 3375 | return 0; |
760ac839 | 3376 | i = PerlIO_getc(fp); |
79072805 | 3377 | if (i != '\n') { |
a0d0e21e LW |
3378 | if (i == -1) |
3379 | return 0; | |
760ac839 | 3380 | PerlIO_ungetc(fp,i); |
79072805 LW |
3381 | break; |
3382 | } | |
3383 | } while (i != EOF); | |
3384 | } | |
c07a80fd | 3385 | |
760ac839 LW |
3386 | /* See if we know enough about I/O mechanism to cheat it ! */ |
3387 | ||
3388 | /* This used to be #ifdef test - it is made run-time test for ease | |
3389 | of abstracting out stdio interface. One call should be cheap | |
3390 | enough here - and may even be a macro allowing compile | |
3391 | time optimization. | |
3392 | */ | |
3393 | ||
3394 | if (PerlIO_fast_gets(fp)) { | |
3395 | ||
3396 | /* | |
3397 | * We're going to steal some values from the stdio struct | |
3398 | * and put EVERYTHING in the innermost loop into registers. | |
3399 | */ | |
3400 | register STDCHAR *ptr; | |
3401 | STRLEN bpx; | |
3402 | I32 shortbuffered; | |
3403 | ||
16660edb | 3404 | #if defined(VMS) && defined(PERLIO_IS_STDIO) |
3405 | /* An ungetc()d char is handled separately from the regular | |
3406 | * buffer, so we getc() it back out and stuff it in the buffer. | |
3407 | */ | |
3408 | i = PerlIO_getc(fp); | |
3409 | if (i == EOF) return 0; | |
3410 | *(--((*fp)->_ptr)) = (unsigned char) i; | |
3411 | (*fp)->_cnt++; | |
3412 | #endif | |
c07a80fd | 3413 | |
c2960299 | 3414 | /* Here is some breathtakingly efficient cheating */ |
c07a80fd | 3415 | |
760ac839 | 3416 | cnt = PerlIO_get_cnt(fp); /* get count into register */ |
a0d0e21e | 3417 | (void)SvPOK_only(sv); /* validate pointer */ |
79072805 LW |
3418 | if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */ |
3419 | if (cnt > 80 && SvLEN(sv) > append) { | |
3420 | shortbuffered = cnt - SvLEN(sv) + append + 1; | |
3421 | cnt -= shortbuffered; | |
3422 | } | |
3423 | else { | |
3424 | shortbuffered = 0; | |
bbce6d69 | 3425 | /* remember that cnt can be negative */ |
3426 | SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1))); | |
79072805 LW |
3427 | } |
3428 | } | |
3429 | else | |
3430 | shortbuffered = 0; | |
c07a80fd | 3431 | bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */ |
760ac839 | 3432 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); |
16660edb | 3433 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3434 | "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
16660edb | 3435 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3436 | "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3437 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3438 | (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 LW |
3439 | for (;;) { |
3440 | screamer: | |
93a17b20 | 3441 | if (cnt > 0) { |
c07a80fd | 3442 | if (rslen) { |
760ac839 LW |
3443 | while (cnt > 0) { /* this | eat */ |
3444 | cnt--; | |
c07a80fd | 3445 | if ((*bp++ = *ptr++) == rslast) /* really | dust */ |
3446 | goto thats_all_folks; /* screams | sed :-) */ | |
3447 | } | |
3448 | } | |
3449 | else { | |
36477c24 | 3450 | Copy(ptr, bp, cnt, char); /* this | eat */ |
c07a80fd | 3451 | bp += cnt; /* screams | dust */ |
3452 | ptr += cnt; /* louder | sed :-) */ | |
a5f75d66 | 3453 | cnt = 0; |
93a17b20 | 3454 | } |
79072805 LW |
3455 | } |
3456 | ||
748a9306 | 3457 | if (shortbuffered) { /* oh well, must extend */ |
79072805 LW |
3458 | cnt = shortbuffered; |
3459 | shortbuffered = 0; | |
c07a80fd | 3460 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3461 | SvCUR_set(sv, bpx); |
3462 | SvGROW(sv, SvLEN(sv) + append + cnt + 2); | |
c07a80fd | 3463 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
79072805 LW |
3464 | continue; |
3465 | } | |
3466 | ||
16660edb | 3467 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3468 | "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3469 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */ |
16660edb | 3470 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3471 | "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3472 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3473 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
16660edb | 3474 | /* This used to call 'filbuf' in stdio form, but as that behaves like |
774d564b | 3475 | getc when cnt <= 0 we use PerlIO_getc here to avoid introducing |
3476 | another abstraction. */ | |
760ac839 | 3477 | i = PerlIO_getc(fp); /* get more characters */ |
16660edb | 3478 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3479 | "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3480 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3481 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
760ac839 LW |
3482 | cnt = PerlIO_get_cnt(fp); |
3483 | ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */ | |
16660edb | 3484 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3485 | "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
79072805 | 3486 | |
748a9306 LW |
3487 | if (i == EOF) /* all done for ever? */ |
3488 | goto thats_really_all_folks; | |
3489 | ||
c07a80fd | 3490 | bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */ |
79072805 LW |
3491 | SvCUR_set(sv, bpx); |
3492 | SvGROW(sv, bpx + cnt + 2); | |
c07a80fd | 3493 | bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */ |
3494 | ||
760ac839 | 3495 | *bp++ = i; /* store character from PerlIO_getc */ |
79072805 | 3496 | |
c07a80fd | 3497 | if (rslen && (STDCHAR)i == rslast) /* all done for now? */ |
79072805 | 3498 | goto thats_all_folks; |
79072805 LW |
3499 | } |
3500 | ||
3501 | thats_all_folks: | |
c07a80fd | 3502 | if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) || |
36477c24 | 3503 | memNE((char*)bp - rslen, rsptr, rslen)) |
760ac839 | 3504 | goto screamer; /* go back to the fray */ |
79072805 LW |
3505 | thats_really_all_folks: |
3506 | if (shortbuffered) | |
3507 | cnt += shortbuffered; | |
16660edb | 3508 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3509 | "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt)); |
d1bf51dd | 3510 | PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */ |
16660edb | 3511 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
68dc0745 | 3512 | "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n", |
3513 | (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp), | |
3514 | (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0))); | |
79072805 | 3515 | *bp = '\0'; |
760ac839 | 3516 | SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */ |
16660edb | 3517 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
fb73857a | 3518 | "Screamer: done, len=%ld, string=|%.*s|\n", |
3519 | (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv))); | |
760ac839 LW |
3520 | } |
3521 | else | |
79072805 | 3522 | { |
760ac839 | 3523 | /*The big, slow, and stupid way */ |
c07a80fd | 3524 | STDCHAR buf[8192]; |
79072805 | 3525 | |
760ac839 | 3526 | screamer2: |
c07a80fd | 3527 | if (rslen) { |
760ac839 LW |
3528 | register STDCHAR *bpe = buf + sizeof(buf); |
3529 | bp = buf; | |
3530 | while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe) | |
3531 | ; /* keep reading */ | |
3532 | cnt = bp - buf; | |
c07a80fd | 3533 | } |
3534 | else { | |
760ac839 | 3535 | cnt = PerlIO_read(fp,(char*)buf, sizeof(buf)); |
16660edb | 3536 | /* Accomodate broken VAXC compiler, which applies U8 cast to |
3537 | * both args of ?: operator, causing EOF to change into 255 | |
3538 | */ | |
3539 | if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; } | |
c07a80fd | 3540 | } |
79072805 LW |
3541 | |
3542 | if (append) | |
760ac839 | 3543 | sv_catpvn(sv, (char *) buf, cnt); |
79072805 | 3544 | else |
760ac839 | 3545 | sv_setpvn(sv, (char *) buf, cnt); |
c07a80fd | 3546 | |
3547 | if (i != EOF && /* joy */ | |
3548 | (!rslen || | |
3549 | SvCUR(sv) < rslen || | |
36477c24 | 3550 | memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen))) |
79072805 LW |
3551 | { |
3552 | append = -1; | |
63e4d877 CS |
3553 | /* |
3554 | * If we're reading from a TTY and we get a short read, | |
3555 | * indicating that the user hit his EOF character, we need | |
3556 | * to notice it now, because if we try to read from the TTY | |
3557 | * again, the EOF condition will disappear. | |
3558 | * | |
3559 | * The comparison of cnt to sizeof(buf) is an optimization | |
3560 | * that prevents unnecessary calls to feof(). | |
3561 | * | |
3562 | * - jik 9/25/96 | |
3563 | */ | |
3564 | if (!(cnt < sizeof(buf) && PerlIO_eof(fp))) | |
3565 | goto screamer2; | |
79072805 LW |
3566 | } |
3567 | } | |
3568 | ||
3280af22 | 3569 | if (RsPARA(PL_rs)) { /* have to do this both before and after */ |
c07a80fd | 3570 | while (i != EOF) { /* to make sure file boundaries work right */ |
760ac839 | 3571 | i = PerlIO_getc(fp); |
79072805 | 3572 | if (i != '\n') { |
760ac839 | 3573 | PerlIO_ungetc(fp,i); |
79072805 LW |
3574 | break; |
3575 | } | |
3576 | } | |
3577 | } | |
c07a80fd | 3578 | |
a868473f NIS |
3579 | #ifdef WIN32 |
3580 | win32_strip_return(sv); | |
3581 | #endif | |
3582 | ||
c07a80fd | 3583 | return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch; |
79072805 LW |
3584 | } |
3585 | ||
760ac839 | 3586 | |
79072805 | 3587 | void |
8ac85365 | 3588 | sv_inc(register SV *sv) |
79072805 LW |
3589 | { |
3590 | register char *d; | |
463ee0b2 | 3591 | int flags; |
79072805 LW |
3592 | |
3593 | if (!sv) | |
3594 | return; | |
b23a5f78 GB |
3595 | if (SvGMAGICAL(sv)) |
3596 | mg_get(sv); | |
ed6116ce | 3597 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3598 | if (SvREADONLY(sv)) { |
3599 | dTHR; | |
3280af22 | 3600 | if (PL_curcop != &PL_compiling) |
22c35a8c | 3601 | croak(PL_no_modify); |
0f15f207 | 3602 | } |
a0d0e21e | 3603 | if (SvROK(sv)) { |
b5be31e9 | 3604 | IV i; |
a0d0e21e | 3605 | #ifdef OVERLOAD |
b5be31e9 | 3606 | if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return; |
a0d0e21e | 3607 | #endif /* OVERLOAD */ |
b5be31e9 SM |
3608 | i = (IV)SvRV(sv); |
3609 | sv_unref(sv); | |
3610 | sv_setiv(sv, i); | |
a0d0e21e | 3611 | } |
ed6116ce | 3612 | } |
8990e307 | 3613 | flags = SvFLAGS(sv); |
8990e307 | 3614 | if (flags & SVp_NOK) { |
a0d0e21e | 3615 | (void)SvNOK_only(sv); |
55497cff | 3616 | SvNVX(sv) += 1.0; |
3617 | return; | |
3618 | } | |
3619 | if (flags & SVp_IOK) { | |
3620 | if (SvIVX(sv) == IV_MAX) | |
3621 | sv_setnv(sv, (double)IV_MAX + 1.0); | |
3622 | else { | |
3623 | (void)SvIOK_only(sv); | |
3624 | ++SvIVX(sv); | |
3625 | } | |
79072805 LW |
3626 | return; |
3627 | } | |
8990e307 | 3628 | if (!(flags & SVp_POK) || !*SvPVX(sv)) { |
4633a7c4 LW |
3629 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3630 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3631 | SvNVX(sv) = 1.0; |
a0d0e21e | 3632 | (void)SvNOK_only(sv); |
79072805 LW |
3633 | return; |
3634 | } | |
463ee0b2 | 3635 | d = SvPVX(sv); |
79072805 LW |
3636 | while (isALPHA(*d)) d++; |
3637 | while (isDIGIT(*d)) d++; | |
3638 | if (*d) { | |
36477c24 | 3639 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3640 | sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */ |
79072805 LW |
3641 | return; |
3642 | } | |
3643 | d--; | |
463ee0b2 | 3644 | while (d >= SvPVX(sv)) { |
79072805 LW |
3645 | if (isDIGIT(*d)) { |
3646 | if (++*d <= '9') | |
3647 | return; | |
3648 | *(d--) = '0'; | |
3649 | } | |
3650 | else { | |
9d116dd7 JH |
3651 | #ifdef EBCDIC |
3652 | /* MKS: The original code here died if letters weren't consecutive. | |
3653 | * at least it didn't have to worry about non-C locales. The | |
3654 | * new code assumes that ('z'-'a')==('Z'-'A'), letters are | |
3655 | * arranged in order (although not consecutively) and that only | |
3656 | * [A-Za-z] are accepted by isALPHA in the C locale. | |
3657 | */ | |
3658 | if (*d != 'z' && *d != 'Z') { | |
3659 | do { ++*d; } while (!isALPHA(*d)); | |
3660 | return; | |
3661 | } | |
3662 | *(d--) -= 'z' - 'a'; | |
3663 | #else | |
79072805 LW |
3664 | ++*d; |
3665 | if (isALPHA(*d)) | |
3666 | return; | |
3667 | *(d--) -= 'z' - 'a' + 1; | |
9d116dd7 | 3668 | #endif |
79072805 LW |
3669 | } |
3670 | } | |
3671 | /* oh,oh, the number grew */ | |
3672 | SvGROW(sv, SvCUR(sv) + 2); | |
3673 | SvCUR(sv)++; | |
463ee0b2 | 3674 | for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--) |
79072805 LW |
3675 | *d = d[-1]; |
3676 | if (isDIGIT(d[1])) | |
3677 | *d = '1'; | |
3678 | else | |
3679 | *d = d[1]; | |
3680 | } | |
3681 | ||
3682 | void | |
8ac85365 | 3683 | sv_dec(register SV *sv) |
79072805 | 3684 | { |
463ee0b2 LW |
3685 | int flags; |
3686 | ||
79072805 LW |
3687 | if (!sv) |
3688 | return; | |
b23a5f78 GB |
3689 | if (SvGMAGICAL(sv)) |
3690 | mg_get(sv); | |
ed6116ce | 3691 | if (SvTHINKFIRST(sv)) { |
0f15f207 MB |
3692 | if (SvREADONLY(sv)) { |
3693 | dTHR; | |
3280af22 | 3694 | if (PL_curcop != &PL_compiling) |
22c35a8c | 3695 | croak(PL_no_modify); |
0f15f207 | 3696 | } |
a0d0e21e | 3697 | if (SvROK(sv)) { |
b5be31e9 | 3698 | IV i; |
a0d0e21e | 3699 | #ifdef OVERLOAD |
b5be31e9 | 3700 | if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return; |
a0d0e21e | 3701 | #endif /* OVERLOAD */ |
b5be31e9 SM |
3702 | i = (IV)SvRV(sv); |
3703 | sv_unref(sv); | |
3704 | sv_setiv(sv, i); | |
a0d0e21e | 3705 | } |
ed6116ce | 3706 | } |
8990e307 | 3707 | flags = SvFLAGS(sv); |
8990e307 | 3708 | if (flags & SVp_NOK) { |
463ee0b2 | 3709 | SvNVX(sv) -= 1.0; |
a0d0e21e | 3710 | (void)SvNOK_only(sv); |
79072805 LW |
3711 | return; |
3712 | } | |
55497cff | 3713 | if (flags & SVp_IOK) { |
3714 | if (SvIVX(sv) == IV_MIN) | |
3715 | sv_setnv(sv, (double)IV_MIN - 1.0); | |
3716 | else { | |
3717 | (void)SvIOK_only(sv); | |
3718 | --SvIVX(sv); | |
3719 | } | |
3720 | return; | |
3721 | } | |
8990e307 | 3722 | if (!(flags & SVp_POK)) { |
4633a7c4 LW |
3723 | if ((flags & SVTYPEMASK) < SVt_PVNV) |
3724 | sv_upgrade(sv, SVt_NV); | |
463ee0b2 | 3725 | SvNVX(sv) = -1.0; |
a0d0e21e | 3726 | (void)SvNOK_only(sv); |
79072805 LW |
3727 | return; |
3728 | } | |
36477c24 | 3729 | SET_NUMERIC_STANDARD(); |
bbce6d69 | 3730 | sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */ |
79072805 LW |
3731 | } |
3732 | ||
3733 | /* Make a string that will exist for the duration of the expression | |
3734 | * evaluation. Actually, it may have to last longer than that, but | |
3735 | * hopefully we won't free it until it has been assigned to a | |
3736 | * permanent location. */ | |
3737 | ||
76e3520e | 3738 | STATIC void |
8ac85365 | 3739 | sv_mortalgrow(void) |
8990e307 | 3740 | { |
11343788 | 3741 | dTHR; |
3280af22 NIS |
3742 | PL_tmps_max += (PL_tmps_max < 512) ? 128 : 512; |
3743 | Renew(PL_tmps_stack, PL_tmps_max, SV*); | |
8990e307 LW |
3744 | } |
3745 | ||
79072805 | 3746 | SV * |
8ac85365 | 3747 | sv_mortalcopy(SV *oldstr) |
79072805 | 3748 | { |
11343788 | 3749 | dTHR; |
463ee0b2 | 3750 | register SV *sv; |
79072805 | 3751 | |
4561caa4 | 3752 | new_SV(sv); |
8990e307 LW |
3753 | SvANY(sv) = 0; |
3754 | SvREFCNT(sv) = 1; | |
3755 | SvFLAGS(sv) = 0; | |
79072805 | 3756 | sv_setsv(sv,oldstr); |
3280af22 | 3757 | if (++PL_tmps_ix >= PL_tmps_max) |
8990e307 | 3758 | sv_mortalgrow(); |
3280af22 | 3759 | PL_tmps_stack[PL_tmps_ix] = sv; |
8990e307 LW |
3760 | SvTEMP_on(sv); |
3761 | return sv; | |
3762 | } | |
3763 | ||
3764 | SV * | |
8ac85365 | 3765 | sv_newmortal(void) |
8990e307 | 3766 | { |
11343788 | 3767 | dTHR; |
8990e307 LW |
3768 | register SV *sv; |
3769 | ||
4561caa4 | 3770 | new_SV(sv); |
8990e307 LW |
3771 | SvANY(sv) = 0; |
3772 | SvREFCNT(sv) = 1; | |
3773 | SvFLAGS(sv) = SVs_TEMP; | |
3280af22 | 3774 | if (++PL_tmps_ix >= PL_tmps_max) |
8990e307 | 3775 | sv_mortalgrow(); |
3280af22 | 3776 | PL_tmps_stack[PL_tmps_ix] = sv; |
79072805 LW |
3777 | return sv; |
3778 | } | |
3779 | ||
3780 | /* same thing without the copying */ | |
3781 | ||
3782 | SV * | |
8ac85365 | 3783 | sv_2mortal(register SV *sv) |
79072805 | 3784 | { |
11343788 | 3785 | dTHR; |
79072805 LW |
3786 | if (!sv) |
3787 | return sv; | |
d689ffdd | 3788 | if (SvREADONLY(sv) && SvIMMORTAL(sv)) |
11162842 | 3789 | return sv; |
3280af22 | 3790 | if (++PL_tmps_ix >= PL_tmps_max) |
8990e307 | 3791 | sv_mortalgrow(); |
3280af22 | 3792 | PL_tmps_stack[PL_tmps_ix] = sv; |
8990e307 | 3793 | SvTEMP_on(sv); |
79072805 LW |
3794 | return sv; |
3795 | } | |
3796 | ||
3797 | SV * | |
8ac85365 | 3798 | newSVpv(char *s, STRLEN len) |
79072805 | 3799 | { |
463ee0b2 | 3800 | register SV *sv; |
79072805 | 3801 | |
4561caa4 | 3802 | new_SV(sv); |
8990e307 LW |
3803 | SvANY(sv) = 0; |
3804 | SvREFCNT(sv) = 1; | |
3805 | SvFLAGS(sv) = 0; | |
79072805 LW |
3806 | if (!len) |
3807 | len = strlen(s); | |
3808 | sv_setpvn(sv,s,len); | |
3809 | return sv; | |
3810 | } | |
3811 | ||
9da1e3b5 | 3812 | SV * |
9d8a25dc | 3813 | newSVpvn(char *s, STRLEN len) |
9da1e3b5 MUN |
3814 | { |
3815 | register SV *sv; | |
3816 | ||
3817 | new_SV(sv); | |
3818 | SvANY(sv) = 0; | |
3819 | SvREFCNT(sv) = 1; | |
3820 | SvFLAGS(sv) = 0; | |
3821 | sv_setpvn(sv,s,len); | |
3822 | return sv; | |
3823 | } | |
3824 | ||
46fc3d4c | 3825 | SV * |
3826 | newSVpvf(const char* pat, ...) | |
46fc3d4c | 3827 | { |
3828 | register SV *sv; | |
3829 | va_list args; | |
3830 | ||
3831 | new_SV(sv); | |
3832 | SvANY(sv) = 0; | |
3833 | SvREFCNT(sv) = 1; | |
3834 | SvFLAGS(sv) = 0; | |
46fc3d4c | 3835 | va_start(args, pat); |
fc36a67e | 3836 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 3837 | va_end(args); |
3838 | return sv; | |
3839 | } | |
3840 | ||
3841 | ||
79072805 | 3842 | SV * |
8ac85365 | 3843 | newSVnv(double n) |
79072805 | 3844 | { |
463ee0b2 | 3845 | register SV *sv; |
79072805 | 3846 | |
4561caa4 | 3847 | new_SV(sv); |
8990e307 LW |
3848 | SvANY(sv) = 0; |
3849 | SvREFCNT(sv) = 1; | |
3850 | SvFLAGS(sv) = 0; | |
79072805 LW |
3851 | sv_setnv(sv,n); |
3852 | return sv; | |
3853 | } | |
3854 | ||
3855 | SV * | |
8ac85365 | 3856 | newSViv(IV i) |
79072805 | 3857 | { |
463ee0b2 | 3858 | register SV *sv; |
79072805 | 3859 | |
4561caa4 | 3860 | new_SV(sv); |
8990e307 LW |
3861 | SvANY(sv) = 0; |
3862 | SvREFCNT(sv) = 1; | |
3863 | SvFLAGS(sv) = 0; | |
79072805 LW |
3864 | sv_setiv(sv,i); |
3865 | return sv; | |
3866 | } | |
3867 | ||
2304df62 | 3868 | SV * |
d689ffdd | 3869 | newRV_noinc(SV *tmpRef) |
2304df62 | 3870 | { |
11343788 | 3871 | dTHR; |
2304df62 AD |
3872 | register SV *sv; |
3873 | ||
4561caa4 | 3874 | new_SV(sv); |
2304df62 AD |
3875 | SvANY(sv) = 0; |
3876 | SvREFCNT(sv) = 1; | |
3877 | SvFLAGS(sv) = 0; | |
3878 | sv_upgrade(sv, SVt_RV); | |
76e3520e | 3879 | SvTEMP_off(tmpRef); |
d689ffdd | 3880 | SvRV(sv) = tmpRef; |
2304df62 | 3881 | SvROK_on(sv); |
2304df62 AD |
3882 | return sv; |
3883 | } | |
3884 | ||
5f05dabc | 3885 | SV * |
d689ffdd | 3886 | newRV(SV *tmpRef) |
5f05dabc | 3887 | { |
5f6447b6 | 3888 | return newRV_noinc(SvREFCNT_inc(tmpRef)); |
5f05dabc | 3889 | } |
5f05dabc | 3890 | |
79072805 LW |
3891 | /* make an exact duplicate of old */ |
3892 | ||
3893 | SV * | |
8ac85365 | 3894 | newSVsv(register SV *old) |
79072805 | 3895 | { |
463ee0b2 | 3896 | register SV *sv; |
79072805 LW |
3897 | |
3898 | if (!old) | |
3899 | return Nullsv; | |
8990e307 | 3900 | if (SvTYPE(old) == SVTYPEMASK) { |
79072805 LW |
3901 | warn("semi-panic: attempt to dup freed string"); |
3902 | return Nullsv; | |
3903 | } | |
4561caa4 | 3904 | new_SV(sv); |
8990e307 LW |
3905 | SvANY(sv) = 0; |
3906 | SvREFCNT(sv) = 1; | |
3907 | SvFLAGS(sv) = 0; | |
ff68c719 | 3908 | if (SvTEMP(old)) { |
3909 | SvTEMP_off(old); | |
463ee0b2 | 3910 | sv_setsv(sv,old); |
ff68c719 | 3911 | SvTEMP_on(old); |
79072805 LW |
3912 | } |
3913 | else | |
463ee0b2 LW |
3914 | sv_setsv(sv,old); |
3915 | return sv; | |
79072805 LW |
3916 | } |
3917 | ||
3918 | void | |
8ac85365 | 3919 | sv_reset(register char *s, HV *stash) |
79072805 LW |
3920 | { |
3921 | register HE *entry; | |
3922 | register GV *gv; | |
3923 | register SV *sv; | |
3924 | register I32 i; | |
3925 | register PMOP *pm; | |
3926 | register I32 max; | |
463ee0b2 | 3927 | char todo[256]; |
79072805 | 3928 | |
49d8d3a1 MB |
3929 | if (!stash) |
3930 | return; | |
3931 | ||
79072805 LW |
3932 | if (!*s) { /* reset ?? searches */ |
3933 | for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) { | |
48c036b1 | 3934 | pm->op_pmdynflags &= ~PMdf_USED; |
79072805 LW |
3935 | } |
3936 | return; | |
3937 | } | |
3938 | ||
3939 | /* reset variables */ | |
3940 | ||
3941 | if (!HvARRAY(stash)) | |
3942 | return; | |
463ee0b2 LW |
3943 | |
3944 | Zero(todo, 256, char); | |
79072805 LW |
3945 | while (*s) { |
3946 | i = *s; | |
3947 | if (s[1] == '-') { | |
3948 | s += 2; | |
3949 | } | |
3950 | max = *s++; | |
3951 | for ( ; i <= max; i++) { | |
463ee0b2 LW |
3952 | todo[i] = 1; |
3953 | } | |
a0d0e21e | 3954 | for (i = 0; i <= (I32) HvMAX(stash); i++) { |
79072805 | 3955 | for (entry = HvARRAY(stash)[i]; |
9e35f4b3 GS |
3956 | entry; |
3957 | entry = HeNEXT(entry)) | |
3958 | { | |
1edc1566 | 3959 | if (!todo[(U8)*HeKEY(entry)]) |
463ee0b2 | 3960 | continue; |
1edc1566 | 3961 | gv = (GV*)HeVAL(entry); |
79072805 | 3962 | sv = GvSV(gv); |
9e35f4b3 GS |
3963 | if (SvTHINKFIRST(sv)) { |
3964 | if (!SvREADONLY(sv) && SvROK(sv)) | |
3965 | sv_unref(sv); | |
3966 | continue; | |
3967 | } | |
a0d0e21e | 3968 | (void)SvOK_off(sv); |
79072805 LW |
3969 | if (SvTYPE(sv) >= SVt_PV) { |
3970 | SvCUR_set(sv, 0); | |
463ee0b2 LW |
3971 | if (SvPVX(sv) != Nullch) |
3972 | *SvPVX(sv) = '\0'; | |
44a8e56a | 3973 | SvTAINT(sv); |
79072805 LW |
3974 | } |
3975 | if (GvAV(gv)) { | |
3976 | av_clear(GvAV(gv)); | |
3977 | } | |
44a8e56a | 3978 | if (GvHV(gv) && !HvNAME(GvHV(gv))) { |
463ee0b2 | 3979 | hv_clear(GvHV(gv)); |
a0d0e21e | 3980 | #ifndef VMS /* VMS has no environ array */ |
3280af22 | 3981 | if (gv == PL_envgv) |
79072805 | 3982 | environ[0] = Nullch; |
a0d0e21e | 3983 | #endif |
79072805 LW |
3984 | } |
3985 | } | |
3986 | } | |
3987 | } | |
3988 | } | |
3989 | ||
46fc3d4c | 3990 | IO* |
8ac85365 | 3991 | sv_2io(SV *sv) |
46fc3d4c | 3992 | { |
3993 | IO* io; | |
3994 | GV* gv; | |
3995 | ||
3996 | switch (SvTYPE(sv)) { | |
3997 | case SVt_PVIO: | |
3998 | io = (IO*)sv; | |
3999 | break; | |
4000 | case SVt_PVGV: | |
4001 | gv = (GV*)sv; | |
4002 | io = GvIO(gv); | |
4003 | if (!io) | |
4004 | croak("Bad filehandle: %s", GvNAME(gv)); | |
4005 | break; | |
4006 | default: | |
4007 | if (!SvOK(sv)) | |
22c35a8c | 4008 | croak(PL_no_usym, "filehandle"); |
46fc3d4c | 4009 | if (SvROK(sv)) |
4010 | return sv_2io(SvRV(sv)); | |
3280af22 | 4011 | gv = gv_fetchpv(SvPV(sv,PL_na), FALSE, SVt_PVIO); |
46fc3d4c | 4012 | if (gv) |
4013 | io = GvIO(gv); | |
4014 | else | |
4015 | io = 0; | |
4016 | if (!io) | |
3280af22 | 4017 | croak("Bad filehandle: %s", SvPV(sv,PL_na)); |
46fc3d4c | 4018 | break; |
4019 | } | |
4020 | return io; | |
4021 | } | |
4022 | ||
79072805 | 4023 | CV * |
8ac85365 | 4024 | sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref) |
79072805 LW |
4025 | { |
4026 | GV *gv; | |
4027 | CV *cv; | |
4028 | ||
4029 | if (!sv) | |
93a17b20 | 4030 | return *gvp = Nullgv, Nullcv; |
79072805 | 4031 | switch (SvTYPE(sv)) { |
79072805 LW |
4032 | case SVt_PVCV: |
4033 | *st = CvSTASH(sv); | |
4034 | *gvp = Nullgv; | |
4035 | return (CV*)sv; | |
4036 | case SVt_PVHV: | |
4037 | case SVt_PVAV: | |
4038 | *gvp = Nullgv; | |
4039 | return Nullcv; | |
8990e307 LW |
4040 | case SVt_PVGV: |
4041 | gv = (GV*)sv; | |
a0d0e21e | 4042 | *gvp = gv; |
8990e307 LW |
4043 | *st = GvESTASH(gv); |
4044 | goto fix_gv; | |
4045 | ||
79072805 | 4046 | default: |
a0d0e21e LW |
4047 | if (SvGMAGICAL(sv)) |
4048 | mg_get(sv); | |
4049 | if (SvROK(sv)) { | |
4050 | cv = (CV*)SvRV(sv); | |
4051 | if (SvTYPE(cv) != SVt_PVCV) | |
4052 | croak("Not a subroutine reference"); | |
4053 | *gvp = Nullgv; | |
4054 | *st = CvSTASH(cv); | |
4055 | return cv; | |
4056 | } | |
79072805 LW |
4057 | if (isGV(sv)) |
4058 | gv = (GV*)sv; | |
4059 | else | |
3280af22 | 4060 | gv = gv_fetchpv(SvPV(sv, PL_na), lref, SVt_PVCV); |
79072805 LW |
4061 | *gvp = gv; |
4062 | if (!gv) | |
4063 | return Nullcv; | |
4064 | *st = GvESTASH(gv); | |
8990e307 | 4065 | fix_gv: |
8ebc5c01 | 4066 | if (lref && !GvCVu(gv)) { |
4633a7c4 | 4067 | SV *tmpsv; |
748a9306 | 4068 | ENTER; |
4633a7c4 | 4069 | tmpsv = NEWSV(704,0); |
16660edb | 4070 | gv_efullname3(tmpsv, gv, Nullch); |
774d564b | 4071 | newSUB(start_subparse(FALSE, 0), |
4633a7c4 LW |
4072 | newSVOP(OP_CONST, 0, tmpsv), |
4073 | Nullop, | |
8990e307 | 4074 | Nullop); |
748a9306 | 4075 | LEAVE; |
8ebc5c01 | 4076 | if (!GvCVu(gv)) |
3280af22 | 4077 | croak("Unable to create sub named \"%s\"", SvPV(sv,PL_na)); |
8990e307 | 4078 | } |
8ebc5c01 | 4079 | return GvCVu(gv); |
79072805 LW |
4080 | } |
4081 | } | |
4082 | ||
79072805 | 4083 | I32 |
4e35701f | 4084 | sv_true(register SV *sv) |
79072805 | 4085 | { |
4e35701f | 4086 | dTHR; |
8990e307 LW |
4087 | if (!sv) |
4088 | return 0; | |
79072805 | 4089 | if (SvPOK(sv)) { |
4e35701f NIS |
4090 | register XPV* tXpv; |
4091 | if ((tXpv = (XPV*)SvANY(sv)) && | |
4092 | (*tXpv->xpv_pv > '0' || | |
4093 | tXpv->xpv_cur > 1 || | |
4094 | (tXpv->xpv_cur && *tXpv->xpv_pv != '0'))) | |
79072805 LW |
4095 | return 1; |
4096 | else | |
4097 | return 0; | |
4098 | } | |
4099 | else { | |
4100 | if (SvIOK(sv)) | |
463ee0b2 | 4101 | return SvIVX(sv) != 0; |
79072805 LW |
4102 | else { |
4103 | if (SvNOK(sv)) | |
463ee0b2 | 4104 | return SvNVX(sv) != 0.0; |
79072805 | 4105 | else |
463ee0b2 | 4106 | return sv_2bool(sv); |
79072805 LW |
4107 | } |
4108 | } | |
4109 | } | |
79072805 | 4110 | |
ff68c719 | 4111 | IV |
4e35701f | 4112 | sv_iv(register SV *sv) |
85e6fe83 | 4113 | { |
ff68c719 | 4114 | if (SvIOK(sv)) |
4115 | return SvIVX(sv); | |
4116 | return sv_2iv(sv); | |
85e6fe83 | 4117 | } |
85e6fe83 | 4118 | |
ff68c719 | 4119 | UV |
4e35701f | 4120 | sv_uv(register SV *sv) |
ff68c719 | 4121 | { |
4122 | if (SvIOK(sv)) | |
4123 | return SvUVX(sv); | |
4124 | return sv_2uv(sv); | |
4125 | } | |
85e6fe83 | 4126 | |
ff68c719 | 4127 | double |
4e35701f | 4128 | sv_nv(register SV *sv) |
79072805 | 4129 | { |
ff68c719 | 4130 | if (SvNOK(sv)) |
4131 | return SvNVX(sv); | |
4132 | return sv_2nv(sv); | |
79072805 | 4133 | } |
79072805 | 4134 | |
79072805 | 4135 | char * |
8ac85365 | 4136 | sv_pvn(SV *sv, STRLEN *lp) |
79072805 | 4137 | { |
85e6fe83 LW |
4138 | if (SvPOK(sv)) { |
4139 | *lp = SvCUR(sv); | |
a0d0e21e | 4140 | return SvPVX(sv); |
85e6fe83 | 4141 | } |
463ee0b2 | 4142 | return sv_2pv(sv, lp); |
79072805 | 4143 | } |
79072805 | 4144 | |
a0d0e21e | 4145 | char * |
8ac85365 | 4146 | sv_pvn_force(SV *sv, STRLEN *lp) |
a0d0e21e LW |
4147 | { |
4148 | char *s; | |
4149 | ||
0f15f207 MB |
4150 | if (SvREADONLY(sv)) { |
4151 | dTHR; | |
3280af22 | 4152 | if (PL_curcop != &PL_compiling) |
22c35a8c | 4153 | croak(PL_no_modify); |
0f15f207 | 4154 | } |
a0d0e21e LW |
4155 | |
4156 | if (SvPOK(sv)) { | |
4157 | *lp = SvCUR(sv); | |
4158 | } | |
4159 | else { | |
748a9306 | 4160 | if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) { |
4633a7c4 | 4161 | if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) { |
a0d0e21e | 4162 | sv_unglob(sv); |
4633a7c4 LW |
4163 | s = SvPVX(sv); |
4164 | *lp = SvCUR(sv); | |
4165 | } | |
11343788 MB |
4166 | else { |
4167 | dTHR; | |
a0d0e21e | 4168 | croak("Can't coerce %s to string in %s", sv_reftype(sv,0), |
22c35a8c | 4169 | PL_op_name[PL_op->op_type]); |
11343788 | 4170 | } |
a0d0e21e | 4171 | } |
4633a7c4 LW |
4172 | else |
4173 | s = sv_2pv(sv, lp); | |
a0d0e21e LW |
4174 | if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */ |
4175 | STRLEN len = *lp; | |
4176 | ||
4177 | if (SvROK(sv)) | |
4178 | sv_unref(sv); | |
4179 | (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */ | |
4180 | SvGROW(sv, len + 1); | |
4181 | Move(s,SvPVX(sv),len,char); | |
4182 | SvCUR_set(sv, len); | |
4183 | *SvEND(sv) = '\0'; | |
4184 | } | |
4185 | if (!SvPOK(sv)) { | |
4186 | SvPOK_on(sv); /* validate pointer */ | |
4187 | SvTAINT(sv); | |
760ac839 | 4188 | DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n", |
a0d0e21e LW |
4189 | (unsigned long)sv,SvPVX(sv))); |
4190 | } | |
4191 | } | |
4192 | return SvPVX(sv); | |
4193 | } | |
4194 | ||
4195 | char * | |
8ac85365 | 4196 | sv_reftype(SV *sv, int ob) |
a0d0e21e LW |
4197 | { |
4198 | if (ob && SvOBJECT(sv)) | |
4199 | return HvNAME(SvSTASH(sv)); | |
4200 | else { | |
4201 | switch (SvTYPE(sv)) { | |
4202 | case SVt_NULL: | |
4203 | case SVt_IV: | |
4204 | case SVt_NV: | |
4205 | case SVt_RV: | |
4206 | case SVt_PV: | |
4207 | case SVt_PVIV: | |
4208 | case SVt_PVNV: | |
4209 | case SVt_PVMG: | |
4210 | case SVt_PVBM: | |
4211 | if (SvROK(sv)) | |
4212 | return "REF"; | |
4213 | else | |
4214 | return "SCALAR"; | |
4215 | case SVt_PVLV: return "LVALUE"; | |
4216 | case SVt_PVAV: return "ARRAY"; | |
4217 | case SVt_PVHV: return "HASH"; | |
4218 | case SVt_PVCV: return "CODE"; | |
4219 | case SVt_PVGV: return "GLOB"; | |
1d2dff63 | 4220 | case SVt_PVFM: return "FORMAT"; |
a0d0e21e LW |
4221 | default: return "UNKNOWN"; |
4222 | } | |
4223 | } | |
4224 | } | |
4225 | ||
463ee0b2 | 4226 | int |
8ac85365 | 4227 | sv_isobject(SV *sv) |
85e6fe83 | 4228 | { |
68dc0745 | 4229 | if (!sv) |
4230 | return 0; | |
4231 | if (SvGMAGICAL(sv)) | |
4232 | mg_get(sv); | |
85e6fe83 LW |
4233 | if (!SvROK(sv)) |
4234 | return 0; | |
4235 | sv = (SV*)SvRV(sv); | |
4236 | if (!SvOBJECT(sv)) | |
4237 | return 0; | |
4238 | return 1; | |
4239 | } | |
4240 | ||
4241 | int | |
8ac85365 | 4242 | sv_isa(SV *sv, char *name) |
463ee0b2 | 4243 | { |
68dc0745 | 4244 | if (!sv) |
4245 | return 0; | |
4246 | if (SvGMAGICAL(sv)) | |
4247 | mg_get(sv); | |
ed6116ce | 4248 | if (!SvROK(sv)) |
463ee0b2 | 4249 | return 0; |
ed6116ce LW |
4250 | sv = (SV*)SvRV(sv); |
4251 | if (!SvOBJECT(sv)) | |
463ee0b2 LW |
4252 | return 0; |
4253 | ||
4254 | return strEQ(HvNAME(SvSTASH(sv)), name); | |
4255 | } | |
4256 | ||
4257 | SV* | |
8ac85365 | 4258 | newSVrv(SV *rv, char *classname) |
463ee0b2 | 4259 | { |
11343788 | 4260 | dTHR; |
463ee0b2 LW |
4261 | SV *sv; |
4262 | ||
4561caa4 | 4263 | new_SV(sv); |
8990e307 | 4264 | SvANY(sv) = 0; |
a0d0e21e | 4265 | SvREFCNT(sv) = 0; |
8990e307 | 4266 | SvFLAGS(sv) = 0; |
51cf62d8 | 4267 | |
2213622d | 4268 | SV_CHECK_THINKFIRST(rv); |
51cf62d8 OT |
4269 | #ifdef OVERLOAD |
4270 | SvAMAGIC_off(rv); | |
4271 | #endif /* OVERLOAD */ | |
4272 | ||
4273 | if (SvTYPE(rv) < SVt_RV) | |
4274 | sv_upgrade(rv, SVt_RV); | |
4275 | ||
4276 | (void)SvOK_off(rv); | |
8990e307 | 4277 | SvRV(rv) = SvREFCNT_inc(sv); |
ed6116ce | 4278 | SvROK_on(rv); |
463ee0b2 | 4279 | |
a0d0e21e LW |
4280 | if (classname) { |
4281 | HV* stash = gv_stashpv(classname, TRUE); | |
4282 | (void)sv_bless(rv, stash); | |
4283 | } | |
4284 | return sv; | |
4285 | } | |
4286 | ||
4287 | SV* | |
8ac85365 | 4288 | sv_setref_pv(SV *rv, char *classname, void *pv) |
a0d0e21e | 4289 | { |
189b2af5 | 4290 | if (!pv) { |
3280af22 | 4291 | sv_setsv(rv, &PL_sv_undef); |
189b2af5 GS |
4292 | SvSETMAGIC(rv); |
4293 | } | |
a0d0e21e LW |
4294 | else |
4295 | sv_setiv(newSVrv(rv,classname), (IV)pv); | |
4296 | return rv; | |
4297 | } | |
4298 | ||
4299 | SV* | |
8ac85365 | 4300 | sv_setref_iv(SV *rv, char *classname, IV iv) |
a0d0e21e LW |
4301 | { |
4302 | sv_setiv(newSVrv(rv,classname), iv); | |
4303 | return rv; | |
4304 | } | |
4305 | ||
4306 | SV* | |
8ac85365 | 4307 | sv_setref_nv(SV *rv, char *classname, double nv) |
a0d0e21e LW |
4308 | { |
4309 | sv_setnv(newSVrv(rv,classname), nv); | |
4310 | return rv; | |
4311 | } | |
463ee0b2 | 4312 | |
a0d0e21e | 4313 | SV* |
8ac85365 | 4314 | sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n) |
a0d0e21e LW |
4315 | { |
4316 | sv_setpvn(newSVrv(rv,classname), pv, n); | |
463ee0b2 LW |
4317 | return rv; |
4318 | } | |
4319 | ||
a0d0e21e | 4320 | SV* |
8ac85365 | 4321 | sv_bless(SV *sv, HV *stash) |
a0d0e21e | 4322 | { |
11343788 | 4323 | dTHR; |
76e3520e | 4324 | SV *tmpRef; |
a0d0e21e LW |
4325 | if (!SvROK(sv)) |
4326 | croak("Can't bless non-reference value"); | |
76e3520e GS |
4327 | tmpRef = SvRV(sv); |
4328 | if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) { | |
4329 | if (SvREADONLY(tmpRef)) | |
22c35a8c | 4330 | croak(PL_no_modify); |
76e3520e GS |
4331 | if (SvOBJECT(tmpRef)) { |
4332 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4333 | --PL_sv_objcount; |
76e3520e | 4334 | SvREFCNT_dec(SvSTASH(tmpRef)); |
2e3febc6 | 4335 | } |
a0d0e21e | 4336 | } |
76e3520e GS |
4337 | SvOBJECT_on(tmpRef); |
4338 | if (SvTYPE(tmpRef) != SVt_PVIO) | |
3280af22 | 4339 | ++PL_sv_objcount; |
76e3520e GS |
4340 | (void)SvUPGRADE(tmpRef, SVt_PVMG); |
4341 | SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash); | |
a0d0e21e LW |
4342 | |
4343 | #ifdef OVERLOAD | |
2e3febc6 CS |
4344 | if (Gv_AMG(stash)) |
4345 | SvAMAGIC_on(sv); | |
4346 | else | |
4347 | SvAMAGIC_off(sv); | |
a0d0e21e LW |
4348 | #endif /* OVERLOAD */ |
4349 | ||
4350 | return sv; | |
4351 | } | |
4352 | ||
76e3520e | 4353 | STATIC void |
8ac85365 | 4354 | sv_unglob(SV *sv) |
a0d0e21e LW |
4355 | { |
4356 | assert(SvTYPE(sv) == SVt_PVGV); | |
4357 | SvFAKE_off(sv); | |
4358 | if (GvGP(sv)) | |
1edc1566 | 4359 | gp_free((GV*)sv); |
e826b3c7 GS |
4360 | if (GvSTASH(sv)) { |
4361 | SvREFCNT_dec(GvSTASH(sv)); | |
4362 | GvSTASH(sv) = Nullhv; | |
4363 | } | |
a0d0e21e LW |
4364 | sv_unmagic(sv, '*'); |
4365 | Safefree(GvNAME(sv)); | |
a5f75d66 | 4366 | GvMULTI_off(sv); |
a0d0e21e LW |
4367 | SvFLAGS(sv) &= ~SVTYPEMASK; |
4368 | SvFLAGS(sv) |= SVt_PVMG; | |
4369 | } | |
4370 | ||
ed6116ce | 4371 | void |
8ac85365 | 4372 | sv_unref(SV *sv) |
ed6116ce | 4373 | { |
a0d0e21e LW |
4374 | SV* rv = SvRV(sv); |
4375 | ||
ed6116ce LW |
4376 | SvRV(sv) = 0; |
4377 | SvROK_off(sv); | |
4633a7c4 LW |
4378 | if (SvREFCNT(rv) != 1 || SvREADONLY(rv)) |
4379 | SvREFCNT_dec(rv); | |
8e07c86e | 4380 | else |
4633a7c4 | 4381 | sv_2mortal(rv); /* Schedule for freeing later */ |
ed6116ce | 4382 | } |
8990e307 | 4383 | |
bbce6d69 | 4384 | void |
8ac85365 | 4385 | sv_taint(SV *sv) |
bbce6d69 | 4386 | { |
4387 | sv_magic((sv), Nullsv, 't', Nullch, 0); | |
4388 | } | |
4389 | ||
4390 | void | |
8ac85365 | 4391 | sv_untaint(SV *sv) |
bbce6d69 | 4392 | { |
13f57bf8 | 4393 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4394 | MAGIC *mg = mg_find(sv, 't'); |
4395 | if (mg) | |
565764a8 | 4396 | mg->mg_len &= ~1; |
36477c24 | 4397 | } |
bbce6d69 | 4398 | } |
4399 | ||
4400 | bool | |
8ac85365 | 4401 | sv_tainted(SV *sv) |
bbce6d69 | 4402 | { |
13f57bf8 | 4403 | if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) { |
36477c24 | 4404 | MAGIC *mg = mg_find(sv, 't'); |
565764a8 | 4405 | if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv)) |
36477c24 | 4406 | return TRUE; |
4407 | } | |
4408 | return FALSE; | |
bbce6d69 | 4409 | } |
4410 | ||
84902520 | 4411 | void |
8ac85365 | 4412 | sv_setpviv(SV *sv, IV iv) |
84902520 TB |
4413 | { |
4414 | STRLEN len; | |
4415 | char buf[TYPE_DIGITS(UV)]; | |
4416 | char *ptr = buf + sizeof(buf); | |
4417 | int sign; | |
4418 | UV uv; | |
4419 | char *p; | |
84902520 TB |
4420 | |
4421 | sv_setpvn(sv, "", 0); | |
4422 | if (iv >= 0) { | |
4423 | uv = iv; | |
4424 | sign = 0; | |
4425 | } else { | |
4426 | uv = -iv; | |
4427 | sign = 1; | |
4428 | } | |
4429 | do { | |
4430 | *--ptr = '0' + (uv % 10); | |
4431 | } while (uv /= 10); | |
4432 | len = (buf + sizeof(buf)) - ptr; | |
4433 | /* taking advantage of SvCUR(sv) == 0 */ | |
4434 | SvGROW(sv, sign + len + 1); | |
4435 | p = SvPVX(sv); | |
4436 | if (sign) | |
4437 | *p++ = '-'; | |
4438 | memcpy(p, ptr, len); | |
4439 | p += len; | |
4440 | *p = '\0'; | |
4441 | SvCUR(sv) = p - SvPVX(sv); | |
4442 | } | |
4443 | ||
ef50df4b GS |
4444 | |
4445 | void | |
4446 | sv_setpviv_mg(SV *sv, IV iv) | |
4447 | { | |
4448 | sv_setpviv(sv,iv); | |
4449 | SvSETMAGIC(sv); | |
4450 | } | |
4451 | ||
46fc3d4c | 4452 | void |
4453 | sv_setpvf(SV *sv, const char* pat, ...) | |
46fc3d4c | 4454 | { |
4455 | va_list args; | |
46fc3d4c | 4456 | va_start(args, pat); |
fc36a67e | 4457 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4458 | va_end(args); |
4459 | } | |
4460 | ||
ef50df4b | 4461 | |
ef50df4b GS |
4462 | void |
4463 | sv_setpvf_mg(SV *sv, const char* pat, ...) | |
ef50df4b GS |
4464 | { |
4465 | va_list args; | |
ef50df4b | 4466 | va_start(args, pat); |
ef50df4b GS |
4467 | sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
4468 | va_end(args); | |
4469 | SvSETMAGIC(sv); | |
4470 | } | |
4471 | ||
46fc3d4c | 4472 | void |
4473 | sv_catpvf(SV *sv, const char* pat, ...) | |
46fc3d4c | 4474 | { |
4475 | va_list args; | |
46fc3d4c | 4476 | va_start(args, pat); |
fc36a67e | 4477 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
46fc3d4c | 4478 | va_end(args); |
4479 | } | |
4480 | ||
ef50df4b GS |
4481 | void |
4482 | sv_catpvf_mg(SV *sv, const char* pat, ...) | |
ef50df4b GS |
4483 | { |
4484 | va_list args; | |
ef50df4b | 4485 | va_start(args, pat); |
ef50df4b GS |
4486 | sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*)); |
4487 | va_end(args); | |
4488 | SvSETMAGIC(sv); | |
4489 | } | |
4490 | ||
46fc3d4c | 4491 | void |
ad8d18a8 | 4492 | sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4493 | { |
4494 | sv_setpvn(sv, "", 0); | |
4495 | sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale); | |
4496 | } | |
4497 | ||
4498 | void | |
ad8d18a8 | 4499 | sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale) |
46fc3d4c | 4500 | { |
e858de61 | 4501 | dTHR; |
46fc3d4c | 4502 | char *p; |
4503 | char *q; | |
4504 | char *patend; | |
fc36a67e | 4505 | STRLEN origlen; |
46fc3d4c | 4506 | I32 svix = 0; |
c635e13b | 4507 | static char nullstr[] = "(null)"; |
46fc3d4c | 4508 | |
4509 | /* no matter what, this is a string now */ | |
fc36a67e | 4510 | (void)SvPV_force(sv, origlen); |
46fc3d4c | 4511 | |
fc36a67e | 4512 | /* special-case "", "%s", and "%_" */ |
46fc3d4c | 4513 | if (patlen == 0) |
4514 | return; | |
fc36a67e | 4515 | if (patlen == 2 && pat[0] == '%') { |
4516 | switch (pat[1]) { | |
4517 | case 's': | |
c635e13b | 4518 | if (args) { |
4519 | char *s = va_arg(*args, char*); | |
4520 | sv_catpv(sv, s ? s : nullstr); | |
4521 | } | |
fc36a67e | 4522 | else if (svix < svmax) |
4523 | sv_catsv(sv, *svargs); | |
4524 | return; | |
4525 | case '_': | |
4526 | if (args) { | |
4527 | sv_catsv(sv, va_arg(*args, SV*)); | |
4528 | return; | |
4529 | } | |
4530 | /* See comment on '_' below */ | |
4531 | break; | |
4532 | } | |
46fc3d4c | 4533 | } |
4534 | ||
4535 | patend = (char*)pat + patlen; | |
4536 | for (p = (char*)pat; p < patend; p = q) { | |
4537 | bool alt = FALSE; | |
4538 | bool left = FALSE; | |
4539 | char fill = ' '; | |
4540 | char plus = 0; | |
4541 | char intsize = 0; | |
4542 | STRLEN width = 0; | |
fc36a67e | 4543 | STRLEN zeros = 0; |
46fc3d4c | 4544 | bool has_precis = FALSE; |
4545 | STRLEN precis = 0; | |
4546 | ||
4547 | char esignbuf[4]; | |
dfe13c55 | 4548 | U8 utf8buf[10]; |
46fc3d4c | 4549 | STRLEN esignlen = 0; |
4550 | ||
4551 | char *eptr = Nullch; | |
fc36a67e | 4552 | STRLEN elen = 0; |
4553 | char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */ | |
46fc3d4c | 4554 | |
4555 | static char *efloatbuf = Nullch; | |
4556 | static STRLEN efloatsize = 0; | |
4557 | ||
4558 | char c; | |
4559 | int i; | |
4560 | unsigned base; | |
4561 | IV iv; | |
4562 | UV uv; | |
4563 | double nv; | |
4564 | STRLEN have; | |
4565 | STRLEN need; | |
4566 | STRLEN gap; | |
4567 | ||
4568 | for (q = p; q < patend && *q != '%'; ++q) ; | |
4569 | if (q > p) { | |
4570 | sv_catpvn(sv, p, q - p); | |
4571 | p = q; | |
4572 | } | |
4573 | if (q++ >= patend) | |
4574 | break; | |
4575 | ||
fc36a67e | 4576 | /* FLAGS */ |
4577 | ||
46fc3d4c | 4578 | while (*q) { |
4579 | switch (*q) { | |
4580 | case ' ': | |
4581 | case '+': | |
4582 | plus = *q++; | |
4583 | continue; | |
4584 | ||
4585 | case '-': | |
4586 | left = TRUE; | |
4587 | q++; | |
4588 | continue; | |
4589 | ||
4590 | case '0': | |
4591 | fill = *q++; | |
4592 | continue; | |
4593 | ||
4594 | case '#': | |
4595 | alt = TRUE; | |
4596 | q++; | |
4597 | continue; | |
4598 | ||
fc36a67e | 4599 | default: |
4600 | break; | |
4601 | } | |
4602 | break; | |
4603 | } | |
46fc3d4c | 4604 | |
fc36a67e | 4605 | /* WIDTH */ |
4606 | ||
4607 | switch (*q) { | |
4608 | case '1': case '2': case '3': | |
4609 | case '4': case '5': case '6': | |
4610 | case '7': case '8': case '9': | |
4611 | width = 0; | |
4612 | while (isDIGIT(*q)) | |
4613 | width = width * 10 + (*q++ - '0'); | |
4614 | break; | |
4615 | ||
4616 | case '*': | |
4617 | if (args) | |
4618 | i = va_arg(*args, int); | |
4619 | else | |
4620 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4621 | left |= (i < 0); | |
4622 | width = (i < 0) ? -i : i; | |
4623 | q++; | |
4624 | break; | |
4625 | } | |
4626 | ||
4627 | /* PRECISION */ | |
46fc3d4c | 4628 | |
fc36a67e | 4629 | if (*q == '.') { |
4630 | q++; | |
4631 | if (*q == '*') { | |
46fc3d4c | 4632 | if (args) |
4633 | i = va_arg(*args, int); | |
4634 | else | |
4635 | i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
fc36a67e | 4636 | precis = (i < 0) ? 0 : i; |
46fc3d4c | 4637 | q++; |
fc36a67e | 4638 | } |
4639 | else { | |
4640 | precis = 0; | |
4641 | while (isDIGIT(*q)) | |
4642 | precis = precis * 10 + (*q++ - '0'); | |
4643 | } | |
4644 | has_precis = TRUE; | |
4645 | } | |
46fc3d4c | 4646 | |
fc36a67e | 4647 | /* SIZE */ |
46fc3d4c | 4648 | |
fc36a67e | 4649 | switch (*q) { |
4650 | case 'l': | |
4651 | #if 0 /* when quads have better support within Perl */ | |
4652 | if (*(q + 1) == 'l') { | |
4653 | intsize = 'q'; | |
4654 | q += 2; | |
46fc3d4c | 4655 | break; |
4656 | } | |
fc36a67e | 4657 | #endif |
4658 | /* FALL THROUGH */ | |
4659 | case 'h': | |
4660 | case 'V': | |
4661 | intsize = *q++; | |
46fc3d4c | 4662 | break; |
4663 | } | |
4664 | ||
fc36a67e | 4665 | /* CONVERSION */ |
4666 | ||
46fc3d4c | 4667 | switch (c = *q++) { |
4668 | ||
4669 | /* STRINGS */ | |
4670 | ||
4671 | case '%': | |
4672 | eptr = q - 1; | |
4673 | elen = 1; | |
4674 | goto string; | |
4675 | ||
4676 | case 'c': | |
a0ed51b3 LW |
4677 | if (IN_UTF8) { |
4678 | if (args) | |
4679 | uv = va_arg(*args, int); | |
4680 | else | |
4681 | uv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4682 | ||
dfe13c55 GS |
4683 | eptr = (char*)utf8buf; |
4684 | elen = uv_to_utf8((U8*)eptr, uv) - utf8buf; | |
a0ed51b3 LW |
4685 | goto string; |
4686 | } | |
46fc3d4c | 4687 | if (args) |
4688 | c = va_arg(*args, int); | |
4689 | else | |
4690 | c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4691 | eptr = &c; | |
4692 | elen = 1; | |
4693 | goto string; | |
4694 | ||
46fc3d4c | 4695 | case 's': |
4696 | if (args) { | |
fc36a67e | 4697 | eptr = va_arg(*args, char*); |
c635e13b | 4698 | if (eptr) |
4699 | elen = strlen(eptr); | |
4700 | else { | |
4701 | eptr = nullstr; | |
4702 | elen = sizeof nullstr - 1; | |
4703 | } | |
46fc3d4c | 4704 | } |
a0ed51b3 | 4705 | else if (svix < svmax) { |
46fc3d4c | 4706 | eptr = SvPVx(svargs[svix++], elen); |
a0ed51b3 LW |
4707 | if (IN_UTF8) { |
4708 | if (has_precis && precis < elen) { | |
4709 | I32 p = precis; | |
4710 | sv_pos_u2b(svargs[svix - 1], &p, 0); /* sticks at end */ | |
4711 | precis = p; | |
4712 | } | |
4713 | if (width) { /* fudge width (can't fudge elen) */ | |
4714 | width += elen - sv_len_utf8(svargs[svix - 1]); | |
4715 | } | |
4716 | } | |
4717 | } | |
46fc3d4c | 4718 | goto string; |
4719 | ||
fc36a67e | 4720 | case '_': |
4721 | /* | |
4722 | * The "%_" hack might have to be changed someday, | |
4723 | * if ISO or ANSI decide to use '_' for something. | |
4724 | * So we keep it hidden from users' code. | |
4725 | */ | |
4726 | if (!args) | |
4727 | goto unknown; | |
4728 | eptr = SvPVx(va_arg(*args, SV*), elen); | |
4729 | ||
46fc3d4c | 4730 | string: |
4731 | if (has_precis && elen > precis) | |
4732 | elen = precis; | |
4733 | break; | |
4734 | ||
4735 | /* INTEGERS */ | |
4736 | ||
fc36a67e | 4737 | case 'p': |
4738 | if (args) | |
4739 | uv = (UV)va_arg(*args, void*); | |
4740 | else | |
4741 | uv = (svix < svmax) ? (UV)svargs[svix++] : 0; | |
4742 | base = 16; | |
4743 | goto integer; | |
4744 | ||
46fc3d4c | 4745 | case 'D': |
4746 | intsize = 'l'; | |
4747 | /* FALL THROUGH */ | |
4748 | case 'd': | |
4749 | case 'i': | |
4750 | if (args) { | |
4751 | switch (intsize) { | |
4752 | case 'h': iv = (short)va_arg(*args, int); break; | |
4753 | default: iv = va_arg(*args, int); break; | |
4754 | case 'l': iv = va_arg(*args, long); break; | |
fc36a67e | 4755 | case 'V': iv = va_arg(*args, IV); break; |
46fc3d4c | 4756 | } |
4757 | } | |
4758 | else { | |
4759 | iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0; | |
4760 | switch (intsize) { | |
4761 | case 'h': iv = (short)iv; break; | |
4762 | default: iv = (int)iv; break; | |
4763 | case 'l': iv = (long)iv; break; | |
fc36a67e | 4764 | case 'V': break; |
46fc3d4c | 4765 | } |
4766 | } | |
4767 | if (iv >= 0) { | |
4768 | uv = iv; | |
4769 | if (plus) | |
4770 | esignbuf[esignlen++] = plus; | |
4771 | } | |
4772 | else { | |
4773 | uv = -iv; | |
4774 | esignbuf[esignlen++] = '-'; | |
4775 | } | |
4776 | base = 10; | |
4777 | goto integer; | |
4778 | ||
fc36a67e | 4779 | case 'U': |
4780 | intsize = 'l'; | |
4781 | /* FALL THROUGH */ | |
4782 | case 'u': | |
4783 | base = 10; | |
4784 | goto uns_integer; | |
4785 | ||
46fc3d4c | 4786 | case 'O': |
4787 | intsize = 'l'; | |
4788 | /* FALL THROUGH */ | |
4789 | case 'o': | |
4790 | base = 8; | |
4791 | goto uns_integer; | |
4792 | ||
4793 | case 'X': | |
46fc3d4c | 4794 | case 'x': |
4795 | base = 16; | |
46fc3d4c | 4796 | |
4797 | uns_integer: | |
4798 | if (args) { | |
4799 | switch (intsize) { | |
4800 | case 'h': uv = (unsigned short)va_arg(*args, unsigned); break; | |
4801 | default: uv = va_arg(*args, unsigned); break; | |
4802 | case 'l': uv = va_arg(*args, unsigned long); break; | |
fc36a67e | 4803 | case 'V': uv = va_arg(*args, UV); break; |
46fc3d4c | 4804 | } |
4805 | } | |
4806 | else { | |
4807 | uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0; | |
4808 | switch (intsize) { | |
4809 | case 'h': uv = (unsigned short)uv; break; | |
4810 | default: uv = (unsigned)uv; break; | |
4811 | case 'l': uv = (unsigned long)uv; break; | |
fc36a67e | 4812 | case 'V': break; |
46fc3d4c | 4813 | } |
4814 | } | |
4815 | ||
4816 | integer: | |
46fc3d4c | 4817 | eptr = ebuf + sizeof ebuf; |
fc36a67e | 4818 | switch (base) { |
4819 | unsigned dig; | |
4820 | case 16: | |
c10ed8b9 HS |
4821 | if (!uv) |
4822 | alt = FALSE; | |
fc36a67e | 4823 | p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef"; |
4824 | do { | |
4825 | dig = uv & 15; | |
4826 | *--eptr = p[dig]; | |
4827 | } while (uv >>= 4); | |
4828 | if (alt) { | |
46fc3d4c | 4829 | esignbuf[esignlen++] = '0'; |
fc36a67e | 4830 | esignbuf[esignlen++] = c; /* 'x' or 'X' */ |
46fc3d4c | 4831 | } |
fc36a67e | 4832 | break; |
4833 | case 8: | |
4834 | do { | |
4835 | dig = uv & 7; | |
4836 | *--eptr = '0' + dig; | |
4837 | } while (uv >>= 3); | |
4838 | if (alt && *eptr != '0') | |
4839 | *--eptr = '0'; | |
4840 | break; | |
4841 | default: /* it had better be ten or less */ | |
4842 | do { | |
4843 | dig = uv % base; | |
4844 | *--eptr = '0' + dig; | |
4845 | } while (uv /= base); | |
4846 | break; | |
46fc3d4c | 4847 | } |
4848 | elen = (ebuf + sizeof ebuf) - eptr; | |
c10ed8b9 HS |
4849 | if (has_precis) { |
4850 | if (precis > elen) | |
4851 | zeros = precis - elen; | |
4852 | else if (precis == 0 && elen == 1 && *eptr == '0') | |
4853 | elen = 0; | |
4854 | } | |
46fc3d4c | 4855 | break; |
4856 | ||
4857 | /* FLOATING POINT */ | |
4858 | ||
fc36a67e | 4859 | case 'F': |
4860 | c = 'f'; /* maybe %F isn't supported here */ | |
4861 | /* FALL THROUGH */ | |
46fc3d4c | 4862 | case 'e': case 'E': |
fc36a67e | 4863 | case 'f': |
46fc3d4c | 4864 | case 'g': case 'G': |
4865 | ||
4866 | /* This is evil, but floating point is even more evil */ | |
4867 | ||
fc36a67e | 4868 | if (args) |
4869 | nv = va_arg(*args, double); | |
4870 | else | |
4871 | nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0; | |
4872 | ||
4873 | need = 0; | |
4874 | if (c != 'e' && c != 'E') { | |
4875 | i = PERL_INT_MIN; | |
4876 | (void)frexp(nv, &i); | |
4877 | if (i == PERL_INT_MIN) | |
c635e13b | 4878 | die("panic: frexp"); |
4879 | if (i > 0) | |
fc36a67e | 4880 | need = BIT_DIGITS(i); |
4881 | } | |
4882 | need += has_precis ? precis : 6; /* known default */ | |
4883 | if (need < width) | |
4884 | need = width; | |
4885 | ||
46fc3d4c | 4886 | need += 20; /* fudge factor */ |
4887 | if (efloatsize < need) { | |
4888 | Safefree(efloatbuf); | |
4889 | efloatsize = need + 20; /* more fudge */ | |
4890 | New(906, efloatbuf, efloatsize, char); | |
4891 | } | |
4892 | ||
4893 | eptr = ebuf + sizeof ebuf; | |
4894 | *--eptr = '\0'; | |
4895 | *--eptr = c; | |
4896 | if (has_precis) { | |
4897 | base = precis; | |
4898 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4899 | *--eptr = '.'; | |
4900 | } | |
4901 | if (width) { | |
4902 | base = width; | |
4903 | do { *--eptr = '0' + (base % 10); } while (base /= 10); | |
4904 | } | |
4905 | if (fill == '0') | |
4906 | *--eptr = fill; | |
84902520 TB |
4907 | if (left) |
4908 | *--eptr = '-'; | |
46fc3d4c | 4909 | if (plus) |
4910 | *--eptr = plus; | |
4911 | if (alt) | |
4912 | *--eptr = '#'; | |
4913 | *--eptr = '%'; | |
4914 | ||
46fc3d4c | 4915 | (void)sprintf(efloatbuf, eptr, nv); |
4916 | ||
4917 | eptr = efloatbuf; | |
4918 | elen = strlen(efloatbuf); | |
4919 | ||
4920 | #ifdef LC_NUMERIC | |
4921 | /* | |
4922 | * User-defined locales may include arbitrary characters. | |
4923 | * And, unfortunately, some system may alloc the "C" locale | |
4924 | * to be overridden by a malicious user. | |
4925 | */ | |
4926 | if (used_locale) | |
4927 | *used_locale = TRUE; | |
4928 | #endif /* LC_NUMERIC */ | |
4929 | ||
4930 | break; | |
4931 | ||
fc36a67e | 4932 | /* SPECIAL */ |
4933 | ||
4934 | case 'n': | |
4935 | i = SvCUR(sv) - origlen; | |
4936 | if (args) { | |
c635e13b | 4937 | switch (intsize) { |
4938 | case 'h': *(va_arg(*args, short*)) = i; break; | |
4939 | default: *(va_arg(*args, int*)) = i; break; | |
4940 | case 'l': *(va_arg(*args, long*)) = i; break; | |
4941 | case 'V': *(va_arg(*args, IV*)) = i; break; | |
4942 | } | |
fc36a67e | 4943 | } |
4944 | else if (svix < svmax) | |
4945 | sv_setuv(svargs[svix++], (UV)i); | |
4946 | continue; /* not "break" */ | |
4947 | ||
4948 | /* UNKNOWN */ | |
4949 | ||
46fc3d4c | 4950 | default: |
fc36a67e | 4951 | unknown: |
599cee73 | 4952 | if (!args && ckWARN(WARN_PRINTF) && |
533c011a | 4953 | (PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) { |
c635e13b | 4954 | SV *msg = sv_newmortal(); |
4955 | sv_setpvf(msg, "Invalid conversion in %s: ", | |
533c011a | 4956 | (PL_op->op_type == OP_PRTF) ? "printf" : "sprintf"); |
c635e13b | 4957 | if (c) |
4958 | sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"", | |
4959 | c & 0xFF); | |
4960 | else | |
4961 | sv_catpv(msg, "end of string"); | |
599cee73 | 4962 | warner(WARN_PRINTF, "%_", msg); /* yes, this is reentrant */ |
c635e13b | 4963 | } |
fb73857a | 4964 | |
4965 | /* output mangled stuff ... */ | |
4966 | if (c == '\0') | |
4967 | --q; | |
46fc3d4c | 4968 | eptr = p; |
4969 | elen = q - p; | |
fb73857a | 4970 | |
4971 | /* ... right here, because formatting flags should not apply */ | |
4972 | SvGROW(sv, SvCUR(sv) + elen + 1); | |
4973 | p = SvEND(sv); | |
4974 | memcpy(p, eptr, elen); | |
4975 | p += elen; | |
4976 | *p = '\0'; | |
4977 | SvCUR(sv) = p - SvPVX(sv); | |
4978 | continue; /* not "break" */ | |
46fc3d4c | 4979 | } |
4980 | ||
fc36a67e | 4981 | have = esignlen + zeros + elen; |
46fc3d4c | 4982 | need = (have > width ? have : width); |
4983 | gap = need - have; | |
4984 | ||
7bc39d62 | 4985 | SvGROW(sv, SvCUR(sv) + need + 1); |
46fc3d4c | 4986 | p = SvEND(sv); |
4987 | if (esignlen && fill == '0') { | |
4988 | for (i = 0; i < esignlen; i++) | |
4989 | *p++ = esignbuf[i]; | |
4990 | } | |
4991 | if (gap && !left) { | |
4992 | memset(p, fill, gap); | |
4993 | p += gap; | |
4994 | } | |
4995 | if (esignlen && fill != '0') { | |
4996 | for (i = 0; i < esignlen; i++) | |
4997 | *p++ = esignbuf[i]; | |
4998 | } | |
fc36a67e | 4999 | if (zeros) { |
5000 | for (i = zeros; i; i--) | |
5001 | *p++ = '0'; | |
5002 | } | |
46fc3d4c | 5003 | if (elen) { |
5004 | memcpy(p, eptr, elen); | |
5005 | p += elen; | |
5006 | } | |
5007 | if (gap && left) { | |
5008 | memset(p, ' ', gap); | |
5009 | p += gap; | |
5010 | } | |
5011 | *p = '\0'; | |
5012 | SvCUR(sv) = p - SvPVX(sv); | |
5013 | } | |
5014 | } | |
5015 | ||
8990e307 | 5016 | void |
8ac85365 | 5017 | sv_dump(SV *sv) |
8990e307 | 5018 | { |
35ff7856 | 5019 | #ifdef DEBUGGING |
46fc3d4c | 5020 | SV *d = sv_newmortal(); |
5021 | char *s; | |
8990e307 LW |
5022 | U32 flags; |
5023 | U32 type; | |
5024 | ||
5025 | if (!sv) { | |
760ac839 | 5026 | PerlIO_printf(Perl_debug_log, "SV = 0\n"); |
8990e307 LW |
5027 | return; |
5028 | } | |
5029 | ||
5030 | flags = SvFLAGS(sv); | |
5031 | type = SvTYPE(sv); | |
5032 | ||
46fc3d4c | 5033 | sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (", |
5034 | (unsigned long)SvANY(sv), (long)SvREFCNT(sv)); | |
5035 | if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,"); | |
5036 | if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,"); | |
5037 | if (flags & SVs_PADMY) sv_catpv(d, "PADMY,"); | |
5038 | if (flags & SVs_TEMP) sv_catpv(d, "TEMP,"); | |
5039 | if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,"); | |
5040 | if (flags & SVs_GMG) sv_catpv(d, "GMG,"); | |
5041 | if (flags & SVs_SMG) sv_catpv(d, "SMG,"); | |
5042 | if (flags & SVs_RMG) sv_catpv(d, "RMG,"); | |
5043 | ||
5044 | if (flags & SVf_IOK) sv_catpv(d, "IOK,"); | |
5045 | if (flags & SVf_NOK) sv_catpv(d, "NOK,"); | |
5046 | if (flags & SVf_POK) sv_catpv(d, "POK,"); | |
5047 | if (flags & SVf_ROK) sv_catpv(d, "ROK,"); | |
5048 | if (flags & SVf_OOK) sv_catpv(d, "OOK,"); | |
5049 | if (flags & SVf_FAKE) sv_catpv(d, "FAKE,"); | |
5050 | if (flags & SVf_READONLY) sv_catpv(d, "READONLY,"); | |
8990e307 | 5051 | |
1edc1566 | 5052 | #ifdef OVERLOAD |
46fc3d4c | 5053 | if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,"); |
1edc1566 | 5054 | #endif /* OVERLOAD */ |
46fc3d4c | 5055 | if (flags & SVp_IOK) sv_catpv(d, "pIOK,"); |
5056 | if (flags & SVp_NOK) sv_catpv(d, "pNOK,"); | |
5057 | if (flags & SVp_POK) sv_catpv(d, "pPOK,"); | |
5058 | if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,"); | |
1edc1566 | 5059 | |
5060 | switch (type) { | |
5061 | case SVt_PVCV: | |
774d564b | 5062 | case SVt_PVFM: |
46fc3d4c | 5063 | if (CvANON(sv)) sv_catpv(d, "ANON,"); |
5064 | if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,"); | |
5065 | if (CvCLONE(sv)) sv_catpv(d, "CLONE,"); | |
5066 | if (CvCLONED(sv)) sv_catpv(d, "CLONED,"); | |
5067 | if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,"); | |
5068 | break; | |
55497cff | 5069 | case SVt_PVHV: |
46fc3d4c | 5070 | if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,"); |
5071 | if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,"); | |
5072 | break; | |
1edc1566 | 5073 | case SVt_PVGV: |
46fc3d4c | 5074 | if (GvINTRO(sv)) sv_catpv(d, "INTRO,"); |
5075 | if (GvMULTI(sv)) sv_catpv(d, "MULTI,"); | |
5076 | if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,"); | |
5077 | if (GvIMPORTED(sv)) { | |
5078 | sv_catpv(d, "IMPORT"); | |
5079 | if (GvIMPORTED(sv) == GVf_IMPORTED) | |
5080 | sv_catpv(d, "ALL,"); | |
5081 | else { | |
5082 | sv_catpv(d, "("); | |
5083 | if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV"); | |
5084 | if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV"); | |
5085 | if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV"); | |
5086 | if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV"); | |
5087 | sv_catpv(d, " ),"); | |
5088 | } | |
5089 | } | |
c277df42 IZ |
5090 | case SVt_PVBM: |
5091 | if (SvTAIL(sv)) sv_catpv(d, "TAIL,"); | |
5092 | if (SvCOMPILED(sv)) sv_catpv(d, "COMPILED,"); | |
5093 | break; | |
1edc1566 | 5094 | } |
5095 | ||
46fc3d4c | 5096 | if (*(SvEND(d) - 1) == ',') |
5097 | SvPVX(d)[--SvCUR(d)] = '\0'; | |
5098 | sv_catpv(d, ")"); | |
5099 | s = SvPVX(d); | |
8990e307 | 5100 | |
760ac839 | 5101 | PerlIO_printf(Perl_debug_log, "SV = "); |
8990e307 LW |
5102 | switch (type) { |
5103 | case SVt_NULL: | |
46fc3d4c | 5104 | PerlIO_printf(Perl_debug_log, "NULL%s\n", s); |
8990e307 LW |
5105 | return; |
5106 | case SVt_IV: | |
46fc3d4c | 5107 | PerlIO_printf(Perl_debug_log, "IV%s\n", s); |
8990e307 LW |
5108 | break; |
5109 | case SVt_NV: | |
46fc3d4c | 5110 | PerlIO_printf(Perl_debug_log, "NV%s\n", s); |
8990e307 LW |
5111 | break; |
5112 | case SVt_RV: | |
46fc3d4c | 5113 | PerlIO_printf(Perl_debug_log, "RV%s\n", s); |
8990e307 LW |
5114 | break; |
5115 | case SVt_PV: | |
46fc3d4c | 5116 | PerlIO_printf(Perl_debug_log, "PV%s\n", s); |
8990e307 LW |
5117 | break; |
5118 | case SVt_PVIV: | |
46fc3d4c | 5119 | PerlIO_printf(Perl_debug_log, "PVIV%s\n", s); |
8990e307 LW |
5120 | break; |
5121 | case SVt_PVNV: | |
46fc3d4c | 5122 | PerlIO_printf(Perl_debug_log, "PVNV%s\n", s); |
8990e307 LW |
5123 | break; |
5124 | case SVt_PVBM: | |
46fc3d4c | 5125 | PerlIO_printf(Perl_debug_log, "PVBM%s\n", s); |
8990e307 LW |
5126 | break; |
5127 | case SVt_PVMG: | |
46fc3d4c | 5128 | PerlIO_printf(Perl_debug_log, "PVMG%s\n", s); |
8990e307 LW |
5129 | break; |
5130 | case SVt_PVLV: | |
46fc3d4c | 5131 | PerlIO_printf(Perl_debug_log, "PVLV%s\n", s); |
8990e307 LW |
5132 | break; |
5133 | case SVt_PVAV: | |
46fc3d4c | 5134 | PerlIO_printf(Perl_debug_log, "PVAV%s\n", s); |
8990e307 LW |
5135 | break; |
5136 | case SVt_PVHV: | |
46fc3d4c | 5137 | PerlIO_printf(Perl_debug_log, "PVHV%s\n", s); |
8990e307 LW |
5138 | break; |
5139 | case SVt_PVCV: | |
46fc3d4c | 5140 | PerlIO_printf(Perl_debug_log, "PVCV%s\n", s); |
8990e307 LW |
5141 | break; |
5142 | case SVt_PVGV: | |
46fc3d4c | 5143 | PerlIO_printf(Perl_debug_log, "PVGV%s\n", s); |
8990e307 LW |
5144 | break; |
5145 | case SVt_PVFM: | |
46fc3d4c | 5146 | PerlIO_printf(Perl_debug_log, "PVFM%s\n", s); |
8990e307 LW |
5147 | break; |
5148 | case SVt_PVIO: | |
46fc3d4c | 5149 | PerlIO_printf(Perl_debug_log, "PVIO%s\n", s); |
8990e307 LW |
5150 | break; |
5151 | default: | |
46fc3d4c | 5152 | PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s); |
8990e307 LW |
5153 | return; |
5154 | } | |
5155 | if (type >= SVt_PVIV || type == SVt_IV) | |
760ac839 | 5156 | PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv)); |
bbce6d69 | 5157 | if (type >= SVt_PVNV || type == SVt_NV) { |
36477c24 | 5158 | SET_NUMERIC_STANDARD(); |
760ac839 | 5159 | PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv)); |
bbce6d69 | 5160 | } |
8990e307 | 5161 | if (SvROK(sv)) { |
760ac839 | 5162 | PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv)); |
8990e307 LW |
5163 | sv_dump(SvRV(sv)); |
5164 | return; | |
5165 | } | |
5166 | if (type < SVt_PV) | |
5167 | return; | |
5168 | if (type <= SVt_PVLV) { | |
5169 | if (SvPVX(sv)) | |
760ac839 | 5170 | PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n", |
a0d0e21e | 5171 | (long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv)); |
8990e307 | 5172 | else |
760ac839 | 5173 | PerlIO_printf(Perl_debug_log, " PV = 0\n"); |
8990e307 LW |
5174 | } |
5175 | if (type >= SVt_PVMG) { | |
5176 | if (SvMAGIC(sv)) { | |
760ac839 | 5177 | PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv)); |
8990e307 LW |
5178 | } |
5179 | if (SvSTASH(sv)) | |
760ac839 | 5180 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv))); |
8990e307 LW |
5181 | } |
5182 | switch (type) { | |
5183 | case SVt_PVLV: | |
760ac839 LW |
5184 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv)); |
5185 | PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv)); | |
5186 | PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv)); | |
5187 | PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv)); | |
8990e307 LW |
5188 | sv_dump(LvTARG(sv)); |
5189 | break; | |
5190 | case SVt_PVAV: | |
760ac839 LW |
5191 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv)); |
5192 | PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv)); | |
93965878 | 5193 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILLp(sv)); |
760ac839 LW |
5194 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv)); |
5195 | PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv)); | |
4633a7c4 | 5196 | flags = AvFLAGS(sv); |
46fc3d4c | 5197 | sv_setpv(d, ""); |
5198 | if (flags & AVf_REAL) sv_catpv(d, ",REAL"); | |
5199 | if (flags & AVf_REIFY) sv_catpv(d, ",REIFY"); | |
5200 | if (flags & AVf_REUSED) sv_catpv(d, ",REUSED"); | |
5201 | PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n", | |
5202 | SvCUR(d) ? SvPVX(d) + 1 : ""); | |
8990e307 LW |
5203 | break; |
5204 | case SVt_PVHV: | |
760ac839 LW |
5205 | PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv)); |
5206 | PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv)); | |
5207 | PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv)); | |
5208 | PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv)); | |
5209 | PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv)); | |
5210 | PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv)); | |
8990e307 | 5211 | if (HvPMROOT(sv)) |
760ac839 | 5212 | PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv)); |
8990e307 | 5213 | if (HvNAME(sv)) |
760ac839 | 5214 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv)); |
8990e307 | 5215 | break; |
8990e307 | 5216 | case SVt_PVCV: |
1edc1566 | 5217 | if (SvPOK(sv)) |
3280af22 | 5218 | PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,PL_na)); |
fa83b5b6 | 5219 | /* FALL THROUGH */ |
5220 | case SVt_PVFM: | |
760ac839 LW |
5221 | PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv)); |
5222 | PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv)); | |
5223 | PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv)); | |
5224 | PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv)); | |
5225 | PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32); | |
d1bf51dd | 5226 | PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv)); |
1edc1566 | 5227 | if (CvGV(sv) && GvNAME(CvGV(sv))) { |
d1bf51dd | 5228 | PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv))); |
1edc1566 | 5229 | } else { |
d1bf51dd | 5230 | PerlIO_printf(Perl_debug_log, "\n"); |
1edc1566 | 5231 | } |
760ac839 LW |
5232 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv)); |
5233 | PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv)); | |
5234 | PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv)); | |
5235 | PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv)); | |
11343788 | 5236 | #ifdef USE_THREADS |
5dc0d613 | 5237 | PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv)); |
5dc0d613 | 5238 | PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv)); |
11343788 | 5239 | #endif /* USE_THREADS */ |
77a005ab MB |
5240 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", |
5241 | (unsigned long)CvFLAGS(sv)); | |
8990e307 | 5242 | if (type == SVt_PVFM) |
760ac839 | 5243 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv)); |
8990e307 LW |
5244 | break; |
5245 | case SVt_PVGV: | |
760ac839 LW |
5246 | PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv)); |
5247 | PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv)); | |
ec12f114 JPC |
5248 | PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", |
5249 | SvTYPE(GvSTASH(sv)) == SVt_PVHV ? HvNAME(GvSTASH(sv)) : "(deleted)"); | |
760ac839 LW |
5250 | PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv)); |
5251 | PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv)); | |
5252 | PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv)); | |
5253 | PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv)); | |
5254 | PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv)); | |
5255 | PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv)); | |
5256 | PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv)); | |
5257 | PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv)); | |
5258 | PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv)); | |
5259 | PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv)); | |
5260 | PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv)); | |
55497cff | 5261 | PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv)); |
760ac839 | 5262 | PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv)); |
8990e307 LW |
5263 | break; |
5264 | case SVt_PVIO: | |
760ac839 LW |
5265 | PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv)); |
5266 | PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv)); | |
5267 | PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv)); | |
5268 | PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv)); | |
5269 | PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv)); | |
5270 | PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv)); | |
5271 | PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv)); | |
5272 | PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv)); | |
5273 | PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv)); | |
5274 | PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv)); | |
5275 | PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv)); | |
5276 | PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv)); | |
5277 | PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv)); | |
5278 | PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv)); | |
5279 | PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv)); | |
5280 | PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv)); | |
8990e307 LW |
5281 | break; |
5282 | } | |
35ff7856 | 5283 | #endif /* DEBUGGING */ |
8990e307 | 5284 | } |