Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
3818b22b | 3 | * Copyright (c) 1991-2000, 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 | * "'So that was the job I felt I had to do when I started,' thought Sam." | |
79072805 LW |
12 | */ |
13 | ||
14 | #include "EXTERN.h" | |
864dbfa3 | 15 | #define PERL_IN_DOOP_C |
79072805 LW |
16 | #include "perl.h" |
17 | ||
64ca3a65 | 18 | #ifndef PERL_MICRO |
79072805 LW |
19 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
20 | #include <signal.h> | |
21 | #endif | |
64ca3a65 | 22 | #endif |
79072805 | 23 | |
075321c3 | 24 | #define HALF_UTF8_UPGRADE(start,end) \ |
01ec43d0 | 25 | STMT_START { \ |
96c7109f | 26 | if ((start)<(end)) { \ |
01ec43d0 | 27 | U8* NeWsTr; \ |
48b1b78b | 28 | STRLEN LeN = (end) - (start); \ |
01ec43d0 | 29 | NeWsTr = bytes_to_utf8(start, &LeN); \ |
075321c3 JH |
30 | Safefree(start); \ |
31 | (start) = NeWsTr; \ | |
32 | (end) = (start) + LeN; \ | |
96c7109f | 33 | } \ |
01ec43d0 | 34 | } STMT_END |
b250498f | 35 | |
942e002e | 36 | STATIC I32 |
b250498f | 37 | S_do_trans_simple(pTHX_ SV *sv) |
79072805 | 38 | { |
11343788 | 39 | dTHR; |
4757a243 | 40 | U8 *s; |
b250498f | 41 | U8 *d; |
4757a243 | 42 | U8 *send; |
b250498f | 43 | U8 *dstart; |
4757a243 | 44 | I32 matches = 0; |
b250498f | 45 | I32 sutf = SvUTF8(sv); |
463ee0b2 | 46 | STRLEN len; |
4757a243 LW |
47 | short *tbl; |
48 | I32 ch; | |
79072805 | 49 | |
4757a243 LW |
50 | tbl = (short*)cPVOP->op_pv; |
51 | if (!tbl) | |
cea2e8a9 | 52 | Perl_croak(aTHX_ "panic: do_trans"); |
a0ed51b3 | 53 | |
4757a243 LW |
54 | s = (U8*)SvPV(sv, len); |
55 | send = s + len; | |
56 | ||
b250498f GS |
57 | /* First, take care of non-UTF8 input strings, because they're easy */ |
58 | if (!sutf) { | |
01ec43d0 | 59 | while (s < send) { |
036b4402 | 60 | if ((ch = tbl[*s]) >= 0) { |
01ec43d0 GS |
61 | matches++; |
62 | *s++ = ch; | |
63 | } | |
64 | else | |
65 | s++; | |
66 | } | |
67 | SvSETMAGIC(sv); | |
b250498f GS |
68 | return matches; |
69 | } | |
4757a243 | 70 | |
b250498f GS |
71 | /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */ |
72 | Newz(0, d, len*2+1, U8); | |
73 | dstart = d; | |
74 | while (s < send) { | |
ba210ebe | 75 | STRLEN ulen; |
b250498f GS |
76 | short c; |
77 | ||
78 | ulen = 1; | |
79 | /* Need to check this, otherwise 128..255 won't match */ | |
dcad2880 | 80 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f GS |
81 | if (c < 0x100 && (ch = tbl[(short)c]) >= 0) { |
82 | matches++; | |
8e84507e | 83 | if (ch < 0x80) |
b250498f | 84 | *d++ = ch; |
8e84507e | 85 | else |
b250498f GS |
86 | d = uv_to_utf8(d,ch); |
87 | s += ulen; | |
01ec43d0 GS |
88 | } |
89 | else { /* No match -> copy */ | |
b250498f GS |
90 | while (ulen--) |
91 | *d++ = *s++; | |
92 | } | |
93 | } | |
01ec43d0 | 94 | *d = '\0'; |
be3174d2 | 95 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
fdbb8cbd | 96 | Safefree(dstart); |
b250498f | 97 | SvUTF8_on(sv); |
b250498f | 98 | SvSETMAGIC(sv); |
4757a243 LW |
99 | return matches; |
100 | } | |
101 | ||
942e002e | 102 | STATIC I32 |
036b4402 | 103 | S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 LW |
104 | { |
105 | dTHR; | |
106 | U8 *s; | |
107 | U8 *send; | |
108 | I32 matches = 0; | |
036b4402 | 109 | I32 hasutf = SvUTF8(sv); |
4757a243 LW |
110 | STRLEN len; |
111 | short *tbl; | |
112 | ||
113 | tbl = (short*)cPVOP->op_pv; | |
114 | if (!tbl) | |
cea2e8a9 | 115 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 LW |
116 | |
117 | s = (U8*)SvPV(sv, len); | |
118 | send = s + len; | |
119 | ||
120 | while (s < send) { | |
036b4402 | 121 | if (hasutf && *s & 0x80) |
01ec43d0 | 122 | s += UTF8SKIP(s); |
036b4402 | 123 | else { |
b250498f | 124 | UV c; |
ba210ebe | 125 | STRLEN ulen; |
b250498f GS |
126 | ulen = 1; |
127 | if (hasutf) | |
dcad2880 | 128 | c = utf8_to_uv(s, send - s, &ulen, 0); |
b250498f GS |
129 | else |
130 | c = *s; | |
131 | if (c < 0x100 && tbl[c] >= 0) | |
036b4402 | 132 | matches++; |
01ec43d0 | 133 | s += ulen; |
036b4402 | 134 | } |
4757a243 LW |
135 | } |
136 | ||
137 | return matches; | |
138 | } | |
139 | ||
942e002e | 140 | STATIC I32 |
b250498f | 141 | S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */ |
4757a243 LW |
142 | { |
143 | dTHR; | |
144 | U8 *s; | |
145 | U8 *send; | |
146 | U8 *d; | |
5e44153e | 147 | U8 *dstart; |
036b4402 | 148 | I32 hasutf = SvUTF8(sv); |
4757a243 LW |
149 | I32 matches = 0; |
150 | STRLEN len; | |
151 | short *tbl; | |
152 | I32 ch; | |
153 | ||
154 | tbl = (short*)cPVOP->op_pv; | |
155 | if (!tbl) | |
cea2e8a9 | 156 | Perl_croak(aTHX_ "panic: do_trans"); |
4757a243 LW |
157 | |
158 | s = (U8*)SvPV(sv, len); | |
159 | send = s + len; | |
160 | ||
5e44153e SC |
161 | Newz(0, d, len*2+1, U8); |
162 | dstart = d; | |
163 | ||
4757a243 LW |
164 | if (PL_op->op_private & OPpTRANS_SQUASH) { |
165 | U8* p = send; | |
166 | ||
167 | while (s < send) { | |
036b4402 | 168 | if (hasutf && *s & 0x80) |
01ec43d0 | 169 | s += UTF8SKIP(s); |
036b4402 GS |
170 | else { |
171 | if ((ch = tbl[*s]) >= 0) { | |
172 | *d = ch; | |
173 | matches++; | |
5e44153e | 174 | if (p != d - 1 || *p != *d) |
036b4402 GS |
175 | p = d++; |
176 | } | |
01ec43d0 | 177 | else if (ch == -1) /* -1 is unmapped character */ |
036b4402 GS |
178 | *d++ = *s; /* -2 is delete character */ |
179 | s++; | |
180 | } | |
a0ed51b3 | 181 | } |
4757a243 LW |
182 | } |
183 | else { | |
184 | while (s < send) { | |
5e44153e | 185 | UV comp; |
036b4402 | 186 | if (hasutf && *s & 0x80) |
5e44153e SC |
187 | comp = utf8_to_uv_simple(s, NULL); |
188 | else | |
189 | comp = *s; | |
190 | ||
191 | ch = tbl[comp]; | |
192 | ||
193 | if (ch == -1) { /* -1 is unmapped character */ | |
194 | ch = comp; | |
195 | matches--; | |
196 | } | |
197 | ||
198 | if (ch >= 0) { | |
199 | if (hasutf) | |
200 | d = uv_to_utf8(d, ch); | |
201 | else | |
202 | *d++ = ch; | |
203 | } | |
204 | matches++; | |
205 | ||
206 | s += hasutf && *s & 0x80 ? UNISKIP(*s) : 1; | |
207 | ||
5d06d08e | 208 | } |
4757a243 | 209 | } |
5e44153e | 210 | |
4757a243 | 211 | *d = '\0'; |
4757a243 | 212 | |
5e44153e SC |
213 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
214 | Safefree(dstart); | |
215 | if (hasutf) | |
216 | SvUTF8_on(sv); | |
217 | SvSETMAGIC(sv); | |
4757a243 | 218 | return matches; |
5e44153e | 219 | |
4757a243 LW |
220 | } |
221 | ||
942e002e | 222 | STATIC I32 |
036b4402 | 223 | S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 LW |
224 | { |
225 | dTHR; | |
226 | U8 *s; | |
227 | U8 *send; | |
228 | U8 *d; | |
036b4402 GS |
229 | U8 *start; |
230 | U8 *dstart; | |
4757a243 LW |
231 | I32 matches = 0; |
232 | STRLEN len; | |
233 | ||
234 | SV* rv = (SV*)cSVOP->op_sv; | |
235 | HV* hv = (HV*)SvRV(rv); | |
236 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
237 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
238 | UV extra = none + 1; | |
239 | UV final; | |
240 | UV uv; | |
8e84507e | 241 | I32 isutf; |
036b4402 | 242 | I32 howmany; |
4757a243 | 243 | |
036b4402 | 244 | isutf = SvUTF8(sv); |
4757a243 LW |
245 | s = (U8*)SvPV(sv, len); |
246 | send = s + len; | |
036b4402 | 247 | start = s; |
4757a243 LW |
248 | |
249 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
250 | if (svp) | |
251 | final = SvUV(*svp); | |
252 | ||
036b4402 GS |
253 | /* d needs to be bigger than s, in case e.g. upgrading is required */ |
254 | Newz(0, d, len*2+1, U8); | |
255 | dstart = d; | |
4757a243 LW |
256 | while (s < send) { |
257 | if ((uv = swash_fetch(rv, s)) < none) { | |
258 | s += UTF8SKIP(s); | |
259 | matches++; | |
01ec43d0 | 260 | if ((uv & 0x80) && !isutf++) |
075321c3 | 261 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 LW |
262 | d = uv_to_utf8(d, uv); |
263 | } | |
264 | else if (uv == none) { | |
265 | int i; | |
01ec43d0 | 266 | i = UTF8SKIP(s); |
b250498f | 267 | if (i > 1 && !isutf++) |
075321c3 | 268 | HALF_UTF8_UPGRADE(dstart,d); |
036b4402 | 269 | while(i--) |
075321c3 | 270 | *d++ = *s++; |
4757a243 LW |
271 | } |
272 | else if (uv == extra) { | |
036b4402 | 273 | int i; |
01ec43d0 | 274 | i = UTF8SKIP(s); |
036b4402 | 275 | s += i; |
4757a243 | 276 | matches++; |
8e84507e | 277 | if (i > 1 && !isutf++) |
075321c3 | 278 | HALF_UTF8_UPGRADE(dstart,d); |
4757a243 LW |
279 | d = uv_to_utf8(d, final); |
280 | } | |
281 | else | |
282 | s += UTF8SKIP(s); | |
283 | } | |
284 | *d = '\0'; | |
be3174d2 | 285 | sv_setpvn(sv, (const char*)dstart, d - dstart); |
4757a243 | 286 | SvSETMAGIC(sv); |
036b4402 GS |
287 | if (isutf) |
288 | SvUTF8_on(sv); | |
4757a243 LW |
289 | |
290 | return matches; | |
291 | } | |
292 | ||
942e002e | 293 | STATIC I32 |
036b4402 | 294 | S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */ |
4757a243 LW |
295 | { |
296 | dTHR; | |
297 | U8 *s; | |
298 | U8 *send; | |
299 | I32 matches = 0; | |
300 | STRLEN len; | |
301 | ||
302 | SV* rv = (SV*)cSVOP->op_sv; | |
303 | HV* hv = (HV*)SvRV(rv); | |
304 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
305 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
306 | UV uv; | |
307 | ||
308 | s = (U8*)SvPV(sv, len); | |
036b4402 GS |
309 | if (!SvUTF8(sv)) |
310 | s = bytes_to_utf8(s, &len); | |
4757a243 LW |
311 | send = s + len; |
312 | ||
313 | while (s < send) { | |
834a4ddd | 314 | if ((uv = swash_fetch(rv, s)) < none) |
4757a243 | 315 | matches++; |
834a4ddd | 316 | s += UTF8SKIP(s); |
4757a243 LW |
317 | } |
318 | ||
319 | return matches; | |
320 | } | |
321 | ||
942e002e | 322 | STATIC I32 |
036b4402 | 323 | S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */ |
4757a243 LW |
324 | { |
325 | dTHR; | |
326 | U8 *s; | |
327 | U8 *send; | |
328 | U8 *d; | |
329 | I32 matches = 0; | |
330 | I32 squash = PL_op->op_private & OPpTRANS_SQUASH; | |
4757a243 LW |
331 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
332 | SV* rv = (SV*)cSVOP->op_sv; | |
333 | HV* hv = (HV*)SvRV(rv); | |
334 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); | |
335 | UV none = svp ? SvUV(*svp) : 0x7fffffff; | |
336 | UV extra = none + 1; | |
337 | UV final; | |
338 | UV uv; | |
339 | STRLEN len; | |
340 | U8 *dst; | |
b250498f | 341 | I32 isutf = SvUTF8(sv); |
4757a243 LW |
342 | |
343 | s = (U8*)SvPV(sv, len); | |
344 | send = s + len; | |
345 | ||
346 | svp = hv_fetch(hv, "FINAL", 5, FALSE); | |
347 | if (svp) | |
348 | final = SvUV(*svp); | |
349 | ||
b250498f | 350 | Newz(0, d, len*2+1, U8); |
4757a243 | 351 | dst = d; |
4757a243 LW |
352 | |
353 | if (squash) { | |
354 | UV puv = 0xfeedface; | |
355 | while (s < send) { | |
8e84507e | 356 | if (SvUTF8(sv)) |
4757a243 | 357 | uv = swash_fetch(rv, s); |
a0ed51b3 | 358 | else { |
4757a243 LW |
359 | U8 tmpbuf[2]; |
360 | uv = *s++; | |
361 | if (uv < 0x80) | |
362 | tmpbuf[0] = uv; | |
363 | else { | |
364 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
365 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
366 | } | |
367 | uv = swash_fetch(rv, tmpbuf); | |
368 | } | |
b250498f | 369 | |
4757a243 LW |
370 | if (uv < none) { |
371 | matches++; | |
372 | if (uv != puv) { | |
8e84507e | 373 | if ((uv & 0x80) && !isutf++) |
075321c3 | 374 | HALF_UTF8_UPGRADE(dst,d); |
01ec43d0 | 375 | d = uv_to_utf8(d, uv); |
4757a243 LW |
376 | puv = uv; |
377 | } | |
075321c3 | 378 | s += UTF8SKIP(s); |
4757a243 LW |
379 | continue; |
380 | } | |
381 | else if (uv == none) { /* "none" is unmapped character */ | |
ba210ebe | 382 | STRLEN ulen; |
dcad2880 | 383 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 | 384 | s += ulen; |
4757a243 LW |
385 | puv = 0xfeedface; |
386 | continue; | |
a0ed51b3 | 387 | } |
4757a243 LW |
388 | else if (uv == extra && !del) { |
389 | matches++; | |
390 | if (uv != puv) { | |
01ec43d0 | 391 | d = uv_to_utf8(d, final); |
4757a243 LW |
392 | puv = final; |
393 | } | |
01ec43d0 | 394 | s += UTF8SKIP(s); |
4757a243 LW |
395 | continue; |
396 | } | |
01ec43d0 GS |
397 | matches++; /* "none+1" is delete character */ |
398 | s += UTF8SKIP(s); | |
a0ed51b3 | 399 | } |
79072805 LW |
400 | } |
401 | else { | |
4757a243 | 402 | while (s < send) { |
8e84507e | 403 | if (SvUTF8(sv)) |
4757a243 | 404 | uv = swash_fetch(rv, s); |
4757a243 LW |
405 | else { |
406 | U8 tmpbuf[2]; | |
407 | uv = *s++; | |
408 | if (uv < 0x80) | |
409 | tmpbuf[0] = uv; | |
410 | else { | |
411 | tmpbuf[0] = (( uv >> 6) | 0xc0); | |
412 | tmpbuf[1] = (( uv & 0x3f) | 0x80); | |
a0ed51b3 | 413 | } |
4757a243 | 414 | uv = swash_fetch(rv, tmpbuf); |
a0ed51b3 | 415 | } |
4757a243 LW |
416 | if (uv < none) { |
417 | matches++; | |
01ec43d0 GS |
418 | d = uv_to_utf8(d, uv); |
419 | s += UTF8SKIP(s); | |
4757a243 | 420 | continue; |
a0ed51b3 | 421 | } |
4757a243 | 422 | else if (uv == none) { /* "none" is unmapped character */ |
ba210ebe | 423 | STRLEN ulen; |
dcad2880 | 424 | *d++ = (U8)utf8_to_uv(s, send - s, &ulen, 0); |
01ec43d0 | 425 | s += ulen; |
4757a243 | 426 | continue; |
79072805 | 427 | } |
4757a243 LW |
428 | else if (uv == extra && !del) { |
429 | matches++; | |
01ec43d0 GS |
430 | d = uv_to_utf8(d, final); |
431 | s += UTF8SKIP(s); | |
4757a243 LW |
432 | continue; |
433 | } | |
01ec43d0 GS |
434 | matches++; /* "none+1" is delete character */ |
435 | s += UTF8SKIP(s); | |
79072805 | 436 | } |
4757a243 LW |
437 | } |
438 | if (dst) | |
439 | sv_usepvn(sv, (char*)dst, d - dst); | |
440 | else { | |
441 | *d = '\0'; | |
442 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); | |
443 | } | |
444 | SvSETMAGIC(sv); | |
445 | ||
446 | return matches; | |
447 | } | |
448 | ||
449 | I32 | |
864dbfa3 | 450 | Perl_do_trans(pTHX_ SV *sv) |
4757a243 | 451 | { |
46124e9e | 452 | dTHR; |
4757a243 | 453 | STRLEN len; |
8e84507e | 454 | I32 hasutf = (PL_op->op_private & |
036b4402 | 455 | (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)); |
4757a243 LW |
456 | |
457 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL)) | |
cea2e8a9 | 458 | Perl_croak(aTHX_ PL_no_modify); |
4757a243 LW |
459 | |
460 | (void)SvPV(sv, len); | |
461 | if (!len) | |
462 | return 0; | |
463 | if (!SvPOKp(sv)) | |
464 | (void)SvPV_force(sv, len); | |
2de7b02f GS |
465 | if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) |
466 | (void)SvPOK_only_UTF8(sv); | |
4757a243 | 467 | |
cea2e8a9 | 468 | DEBUG_t( Perl_deb(aTHX_ "2.TBL\n")); |
4757a243 | 469 | |
036b4402 | 470 | switch (PL_op->op_private & ~hasutf & 63) { |
4757a243 | 471 | case 0: |
01ec43d0 GS |
472 | if (hasutf) |
473 | return do_trans_simple_utf8(sv); | |
474 | else | |
475 | return do_trans_simple(sv); | |
4757a243 LW |
476 | |
477 | case OPpTRANS_IDENTICAL: | |
01ec43d0 GS |
478 | if (hasutf) |
479 | return do_trans_count_utf8(sv); | |
480 | else | |
481 | return do_trans_count(sv); | |
4757a243 LW |
482 | |
483 | default: | |
01ec43d0 | 484 | if (hasutf) |
036b4402 | 485 | return do_trans_complex_utf8(sv); |
4757a243 | 486 | else |
036b4402 | 487 | return do_trans_complex(sv); |
79072805 | 488 | } |
79072805 LW |
489 | } |
490 | ||
491 | void | |
864dbfa3 | 492 | Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 LW |
493 | { |
494 | SV **oldmark = mark; | |
495 | register I32 items = sp - mark; | |
79072805 | 496 | register STRLEN len; |
463ee0b2 LW |
497 | STRLEN delimlen; |
498 | register char *delim = SvPV(del, delimlen); | |
499 | STRLEN tmplen; | |
79072805 LW |
500 | |
501 | mark++; | |
502 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
07f14f54 | 503 | (void)SvUPGRADE(sv, SVt_PV); |
79072805 LW |
504 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
505 | while (items-- > 0) { | |
1426bbf4 | 506 | if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) { |
463ee0b2 LW |
507 | SvPV(*mark, tmplen); |
508 | len += tmplen; | |
79072805 LW |
509 | } |
510 | mark++; | |
511 | } | |
512 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
513 | ||
514 | mark = oldmark; | |
db7c17d7 | 515 | items = sp - mark; |
79072805 LW |
516 | ++mark; |
517 | } | |
518 | ||
463ee0b2 | 519 | if (items-- > 0) { |
8990e307 LW |
520 | char *s; |
521 | ||
92d29cee JH |
522 | sv_setpv(sv, ""); |
523 | if (*mark) | |
524 | sv_catsv(sv, *mark); | |
463ee0b2 LW |
525 | mark++; |
526 | } | |
79072805 LW |
527 | else |
528 | sv_setpv(sv,""); | |
529 | len = delimlen; | |
530 | if (len) { | |
531 | for (; items > 0; items--,mark++) { | |
532 | sv_catpvn(sv,delim,len); | |
533 | sv_catsv(sv,*mark); | |
534 | } | |
535 | } | |
536 | else { | |
537 | for (; items > 0; items--,mark++) | |
538 | sv_catsv(sv,*mark); | |
539 | } | |
540 | SvSETMAGIC(sv); | |
541 | } | |
542 | ||
543 | void | |
864dbfa3 | 544 | Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg) |
79072805 | 545 | { |
46fc3d4c | 546 | STRLEN patlen; |
547 | char *pat = SvPV(*sarg, patlen); | |
548 | bool do_taint = FALSE; | |
549 | ||
550 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); | |
79072805 | 551 | SvSETMAGIC(sv); |
46fc3d4c | 552 | if (do_taint) |
553 | SvTAINTED_on(sv); | |
79072805 LW |
554 | } |
555 | ||
33b45480 | 556 | /* currently converts input to bytes if possible, but doesn't sweat failure */ |
81e118e0 JH |
557 | UV |
558 | Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size) | |
559 | { | |
560 | STRLEN srclen, len; | |
561 | unsigned char *s = (unsigned char *) SvPV(sv, srclen); | |
562 | UV retnum = 0; | |
563 | ||
a50d7633 | 564 | if (offset < 0) |
81e118e0 | 565 | return retnum; |
8e84507e | 566 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 567 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
246fae53 | 568 | |
dcad2880 | 569 | if (SvUTF8(sv)) |
33b45480 | 570 | (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE); |
246fae53 | 571 | |
81e118e0 JH |
572 | offset *= size; /* turn into bit offset */ |
573 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
574 | if (len > srclen) { | |
575 | if (size <= 8) | |
576 | retnum = 0; | |
577 | else { | |
578 | offset >>= 3; /* turn into byte offset */ | |
579 | if (size == 16) { | |
580 | if (offset >= srclen) | |
581 | retnum = 0; | |
582 | else | |
628e1a40 | 583 | retnum = (UV) s[offset] << 8; |
81e118e0 JH |
584 | } |
585 | else if (size == 32) { | |
586 | if (offset >= srclen) | |
587 | retnum = 0; | |
588 | else if (offset + 1 >= srclen) | |
589 | retnum = | |
590 | ((UV) s[offset ] << 24); | |
591 | else if (offset + 2 >= srclen) | |
592 | retnum = | |
593 | ((UV) s[offset ] << 24) + | |
594 | ((UV) s[offset + 1] << 16); | |
595 | else | |
596 | retnum = | |
597 | ((UV) s[offset ] << 24) + | |
598 | ((UV) s[offset + 1] << 16) + | |
599 | ( s[offset + 2] << 8); | |
600 | } | |
d7d93a81 | 601 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
602 | else if (size == 64) { |
603 | dTHR; | |
604 | if (ckWARN(WARN_PORTABLE)) | |
605 | Perl_warner(aTHX_ WARN_PORTABLE, | |
606 | "Bit vector size > 32 non-portable"); | |
607 | if (offset >= srclen) | |
608 | retnum = 0; | |
609 | else if (offset + 1 >= srclen) | |
610 | retnum = | |
611 | (UV) s[offset ] << 56; | |
612 | else if (offset + 2 >= srclen) | |
613 | retnum = | |
614 | ((UV) s[offset ] << 56) + | |
615 | ((UV) s[offset + 1] << 48); | |
616 | else if (offset + 3 >= srclen) | |
617 | retnum = | |
618 | ((UV) s[offset ] << 56) + | |
619 | ((UV) s[offset + 1] << 48) + | |
620 | ((UV) s[offset + 2] << 40); | |
621 | else if (offset + 4 >= srclen) | |
622 | retnum = | |
623 | ((UV) s[offset ] << 56) + | |
624 | ((UV) s[offset + 1] << 48) + | |
625 | ((UV) s[offset + 2] << 40) + | |
626 | ((UV) s[offset + 3] << 32); | |
627 | else if (offset + 5 >= srclen) | |
628 | retnum = | |
629 | ((UV) s[offset ] << 56) + | |
630 | ((UV) s[offset + 1] << 48) + | |
631 | ((UV) s[offset + 2] << 40) + | |
632 | ((UV) s[offset + 3] << 32) + | |
633 | ( s[offset + 4] << 24); | |
634 | else if (offset + 6 >= srclen) | |
635 | retnum = | |
636 | ((UV) s[offset ] << 56) + | |
637 | ((UV) s[offset + 1] << 48) + | |
638 | ((UV) s[offset + 2] << 40) + | |
639 | ((UV) s[offset + 3] << 32) + | |
640 | ((UV) s[offset + 4] << 24) + | |
641 | ((UV) s[offset + 5] << 16); | |
642 | else | |
8e84507e | 643 | retnum = |
c5a0f51a JH |
644 | ((UV) s[offset ] << 56) + |
645 | ((UV) s[offset + 1] << 48) + | |
646 | ((UV) s[offset + 2] << 40) + | |
647 | ((UV) s[offset + 3] << 32) + | |
648 | ((UV) s[offset + 4] << 24) + | |
649 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 650 | ( s[offset + 6] << 8); |
c5a0f51a JH |
651 | } |
652 | #endif | |
81e118e0 JH |
653 | } |
654 | } | |
655 | else if (size < 8) | |
656 | retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1); | |
657 | else { | |
658 | offset >>= 3; /* turn into byte offset */ | |
659 | if (size == 8) | |
660 | retnum = s[offset]; | |
661 | else if (size == 16) | |
662 | retnum = | |
628e1a40 | 663 | ((UV) s[offset] << 8) + |
81e118e0 JH |
664 | s[offset + 1]; |
665 | else if (size == 32) | |
666 | retnum = | |
667 | ((UV) s[offset ] << 24) + | |
668 | ((UV) s[offset + 1] << 16) + | |
669 | ( s[offset + 2] << 8) + | |
670 | s[offset + 3]; | |
d7d93a81 | 671 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
672 | else if (size == 64) { |
673 | dTHR; | |
674 | if (ckWARN(WARN_PORTABLE)) | |
675 | Perl_warner(aTHX_ WARN_PORTABLE, | |
676 | "Bit vector size > 32 non-portable"); | |
677 | retnum = | |
678 | ((UV) s[offset ] << 56) + | |
679 | ((UV) s[offset + 1] << 48) + | |
680 | ((UV) s[offset + 2] << 40) + | |
681 | ((UV) s[offset + 3] << 32) + | |
682 | ((UV) s[offset + 4] << 24) + | |
683 | ((UV) s[offset + 5] << 16) + | |
628e1a40 | 684 | ( s[offset + 6] << 8) + |
c5a0f51a JH |
685 | s[offset + 7]; |
686 | } | |
687 | #endif | |
81e118e0 JH |
688 | } |
689 | ||
690 | return retnum; | |
691 | } | |
692 | ||
33b45480 SB |
693 | /* currently converts input to bytes if possible but doesn't sweat failures, |
694 | * although it does ensure that the string it clobbers is not marked as | |
695 | * utf8-valid any more | |
696 | */ | |
79072805 | 697 | void |
864dbfa3 | 698 | Perl_do_vecset(pTHX_ SV *sv) |
79072805 LW |
699 | { |
700 | SV *targ = LvTARG(sv); | |
701 | register I32 offset; | |
702 | register I32 size; | |
8990e307 | 703 | register unsigned char *s; |
81e118e0 | 704 | register UV lval; |
79072805 | 705 | I32 mask; |
a0d0e21e LW |
706 | STRLEN targlen; |
707 | STRLEN len; | |
79072805 | 708 | |
8990e307 LW |
709 | if (!targ) |
710 | return; | |
a0d0e21e | 711 | s = (unsigned char*)SvPV_force(targ, targlen); |
246fae53 | 712 | if (SvUTF8(targ)) { |
33b45480 SB |
713 | /* This is handled by the SvPOK_only below... |
714 | if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE)) | |
715 | SvUTF8_off(targ); | |
716 | */ | |
717 | (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE); | |
246fae53 MG |
718 | } |
719 | ||
4ebbc975 | 720 | (void)SvPOK_only(targ); |
81e118e0 | 721 | lval = SvUV(sv); |
79072805 | 722 | offset = LvTARGOFF(sv); |
fe58ced6 MG |
723 | if (offset < 0) |
724 | Perl_croak(aTHX_ "Assigning to negative offset in vec"); | |
79072805 | 725 | size = LvTARGLEN(sv); |
8e84507e | 726 | if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */ |
a50d7633 | 727 | Perl_croak(aTHX_ "Illegal number of bits in vec"); |
8e84507e | 728 | |
81e118e0 JH |
729 | offset *= size; /* turn into bit offset */ |
730 | len = (offset + size + 7) / 8; /* required number of bytes */ | |
a0d0e21e LW |
731 | if (len > targlen) { |
732 | s = (unsigned char*)SvGROW(targ, len + 1); | |
12ae5dfc | 733 | (void)memzero((char *)(s + targlen), len - targlen + 1); |
a0d0e21e LW |
734 | SvCUR_set(targ, len); |
735 | } | |
8e84507e | 736 | |
79072805 LW |
737 | if (size < 8) { |
738 | mask = (1 << size) - 1; | |
739 | size = offset & 7; | |
740 | lval &= mask; | |
81e118e0 | 741 | offset >>= 3; /* turn into byte offset */ |
79072805 LW |
742 | s[offset] &= ~(mask << size); |
743 | s[offset] |= lval << size; | |
744 | } | |
745 | else { | |
81e118e0 | 746 | offset >>= 3; /* turn into byte offset */ |
79072805 | 747 | if (size == 8) |
c5a0f51a | 748 | s[offset ] = lval & 0xff; |
79072805 | 749 | else if (size == 16) { |
c5a0f51a JH |
750 | s[offset ] = (lval >> 8) & 0xff; |
751 | s[offset+1] = lval & 0xff; | |
79072805 LW |
752 | } |
753 | else if (size == 32) { | |
c5a0f51a JH |
754 | s[offset ] = (lval >> 24) & 0xff; |
755 | s[offset+1] = (lval >> 16) & 0xff; | |
756 | s[offset+2] = (lval >> 8) & 0xff; | |
757 | s[offset+3] = lval & 0xff; | |
758 | } | |
d7d93a81 | 759 | #ifdef UV_IS_QUAD |
c5a0f51a JH |
760 | else if (size == 64) { |
761 | dTHR; | |
762 | if (ckWARN(WARN_PORTABLE)) | |
763 | Perl_warner(aTHX_ WARN_PORTABLE, | |
764 | "Bit vector size > 32 non-portable"); | |
765 | s[offset ] = (lval >> 56) & 0xff; | |
766 | s[offset+1] = (lval >> 48) & 0xff; | |
767 | s[offset+2] = (lval >> 40) & 0xff; | |
768 | s[offset+3] = (lval >> 32) & 0xff; | |
769 | s[offset+4] = (lval >> 24) & 0xff; | |
770 | s[offset+5] = (lval >> 16) & 0xff; | |
771 | s[offset+6] = (lval >> 8) & 0xff; | |
772 | s[offset+7] = lval & 0xff; | |
79072805 | 773 | } |
dc1e3f56 | 774 | #endif |
79072805 | 775 | } |
7bb043c3 | 776 | SvSETMAGIC(targ); |
79072805 LW |
777 | } |
778 | ||
779 | void | |
864dbfa3 | 780 | Perl_do_chop(pTHX_ register SV *astr, register SV *sv) |
79072805 | 781 | { |
463ee0b2 | 782 | STRLEN len; |
a0d0e21e | 783 | char *s; |
c485e607 | 784 | dTHR; |
8e84507e | 785 | |
79072805 | 786 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
787 | register I32 i; |
788 | I32 max; | |
789 | AV* av = (AV*)sv; | |
790 | max = AvFILL(av); | |
791 | for (i = 0; i <= max; i++) { | |
792 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 793 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
794 | do_chop(astr, sv); |
795 | } | |
796 | return; | |
79072805 | 797 | } |
aa854799 | 798 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
799 | HV* hv = (HV*)sv; |
800 | HE* entry; | |
801 | (void)hv_iterinit(hv); | |
802 | /*SUPPRESS 560*/ | |
155aba94 | 803 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
804 | do_chop(astr,hv_iterval(hv,entry)); |
805 | return; | |
79072805 | 806 | } |
aa854799 | 807 | else if (SvREADONLY(sv)) |
cea2e8a9 | 808 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e | 809 | s = SvPV(sv, len); |
748a9306 | 810 | if (len && !SvPOK(sv)) |
a0d0e21e | 811 | s = SvPV_force(sv, len); |
7e2040f0 | 812 | if (DO_UTF8(sv)) { |
a0ed51b3 LW |
813 | if (s && len) { |
814 | char *send = s + len; | |
815 | char *start = s; | |
816 | s = send - 1; | |
817 | while ((*s & 0xc0) == 0x80) | |
818 | --s; | |
0453d815 PM |
819 | if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8)) |
820 | Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character"); | |
a0ed51b3 LW |
821 | sv_setpvn(astr, s, send - s); |
822 | *s = '\0'; | |
823 | SvCUR_set(sv, s - start); | |
824 | SvNIOK_off(sv); | |
7e2040f0 | 825 | SvUTF8_on(astr); |
a0ed51b3 LW |
826 | } |
827 | else | |
828 | sv_setpvn(astr, "", 0); | |
829 | } | |
7e2040f0 | 830 | else if (s && len) { |
a0d0e21e LW |
831 | s += --len; |
832 | sv_setpvn(astr, s, 1); | |
833 | *s = '\0'; | |
834 | SvCUR_set(sv, len); | |
2c19a612 | 835 | SvUTF8_off(sv); |
a0d0e21e | 836 | SvNIOK_off(sv); |
79072805 LW |
837 | } |
838 | else | |
a0d0e21e LW |
839 | sv_setpvn(astr, "", 0); |
840 | SvSETMAGIC(sv); | |
7e2040f0 | 841 | } |
a0d0e21e LW |
842 | |
843 | I32 | |
864dbfa3 | 844 | Perl_do_chomp(pTHX_ register SV *sv) |
a0d0e21e | 845 | { |
aeea060c | 846 | dTHR; |
c07a80fd | 847 | register I32 count; |
a0d0e21e LW |
848 | STRLEN len; |
849 | char *s; | |
c07a80fd | 850 | |
3280af22 | 851 | if (RsSNARF(PL_rs)) |
c07a80fd | 852 | return 0; |
4c5a6083 GS |
853 | if (RsRECORD(PL_rs)) |
854 | return 0; | |
c07a80fd | 855 | count = 0; |
a0d0e21e LW |
856 | if (SvTYPE(sv) == SVt_PVAV) { |
857 | register I32 i; | |
858 | I32 max; | |
859 | AV* av = (AV*)sv; | |
860 | max = AvFILL(av); | |
861 | for (i = 0; i <= max; i++) { | |
862 | sv = (SV*)av_fetch(av, i, FALSE); | |
3280af22 | 863 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e LW |
864 | count += do_chomp(sv); |
865 | } | |
866 | return count; | |
867 | } | |
aa854799 | 868 | else if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e LW |
869 | HV* hv = (HV*)sv; |
870 | HE* entry; | |
871 | (void)hv_iterinit(hv); | |
872 | /*SUPPRESS 560*/ | |
155aba94 | 873 | while ((entry = hv_iternext(hv))) |
a0d0e21e LW |
874 | count += do_chomp(hv_iterval(hv,entry)); |
875 | return count; | |
876 | } | |
aa854799 | 877 | else if (SvREADONLY(sv)) |
cea2e8a9 | 878 | Perl_croak(aTHX_ PL_no_modify); |
a0d0e21e LW |
879 | s = SvPV(sv, len); |
880 | if (len && !SvPOKp(sv)) | |
881 | s = SvPV_force(sv, len); | |
882 | if (s && len) { | |
883 | s += --len; | |
3280af22 | 884 | if (RsPARA(PL_rs)) { |
a0d0e21e LW |
885 | if (*s != '\n') |
886 | goto nope; | |
887 | ++count; | |
888 | while (len && s[-1] == '\n') { | |
889 | --len; | |
890 | --s; | |
891 | ++count; | |
892 | } | |
893 | } | |
a0d0e21e | 894 | else { |
c07a80fd | 895 | STRLEN rslen; |
3280af22 | 896 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd | 897 | if (rslen == 1) { |
898 | if (*s != *rsptr) | |
899 | goto nope; | |
900 | ++count; | |
901 | } | |
902 | else { | |
8c2cee6f | 903 | if (len < rslen - 1) |
c07a80fd | 904 | goto nope; |
905 | len -= rslen - 1; | |
906 | s -= rslen - 1; | |
36477c24 | 907 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 908 | goto nope; |
909 | count += rslen; | |
910 | } | |
a0d0e21e | 911 | } |
a0d0e21e LW |
912 | *s = '\0'; |
913 | SvCUR_set(sv, len); | |
914 | SvNIOK_off(sv); | |
915 | } | |
916 | nope: | |
917 | SvSETMAGIC(sv); | |
918 | return count; | |
8e84507e | 919 | } |
79072805 LW |
920 | |
921 | void | |
864dbfa3 | 922 | Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right) |
79072805 | 923 | { |
aeea060c | 924 | dTHR; /* just for taint */ |
79072805 LW |
925 | #ifdef LIBERAL |
926 | register long *dl; | |
927 | register long *ll; | |
928 | register long *rl; | |
929 | #endif | |
930 | register char *dc; | |
463ee0b2 LW |
931 | STRLEN leftlen; |
932 | STRLEN rightlen; | |
7a4c00b4 | 933 | register char *lc; |
934 | register char *rc; | |
79072805 | 935 | register I32 len; |
a0d0e21e | 936 | I32 lensave; |
7a4c00b4 | 937 | char *lsave; |
938 | char *rsave; | |
0c57e439 GS |
939 | bool left_utf = DO_UTF8(left); |
940 | bool right_utf = DO_UTF8(right); | |
c9b3c8d0 | 941 | I32 needlen; |
0c57e439 GS |
942 | |
943 | if (left_utf && !right_utf) | |
944 | sv_utf8_upgrade(right); | |
a1ca4561 | 945 | else if (!left_utf && right_utf) |
0c57e439 | 946 | sv_utf8_upgrade(left); |
79072805 | 947 | |
1fbd88dc CS |
948 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
949 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 950 | lsave = lc = SvPV(left, leftlen); |
951 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 952 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 953 | lensave = len; |
c9b3c8d0 JH |
954 | if ((left_utf || right_utf) && (sv == left || sv == right)) { |
955 | needlen = optype == OP_BIT_AND ? len : leftlen + rightlen; | |
956 | Newz(801, dc, needlen + 1, char); | |
957 | } | |
958 | else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { | |
2d8e6c8d GS |
959 | STRLEN n_a; |
960 | dc = SvPV_force(sv, n_a); | |
ff68c719 | 961 | if (SvCUR(sv) < len) { |
962 | dc = SvGROW(sv, len + 1); | |
963 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
964 | } | |
c9b3c8d0 JH |
965 | if (optype != OP_BIT_AND && (left_utf || right_utf)) |
966 | dc = SvGROW(sv, leftlen + rightlen + 1); | |
ff68c719 | 967 | } |
968 | else { | |
c9b3c8d0 JH |
969 | needlen = ((optype == OP_BIT_AND) |
970 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
ff68c719 | 971 | Newz(801, dc, needlen + 1, char); |
972 | (void)sv_usepvn(sv, dc, needlen); | |
973 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 974 | } |
a0d0e21e LW |
975 | SvCUR_set(sv, len); |
976 | (void)SvPOK_only(sv); | |
0c57e439 GS |
977 | if (left_utf || right_utf) { |
978 | UV duc, luc, ruc; | |
c9b3c8d0 | 979 | char *dcsave = dc; |
0c57e439 GS |
980 | STRLEN lulen = leftlen; |
981 | STRLEN rulen = rightlen; | |
ba210ebe | 982 | STRLEN ulen; |
0c57e439 GS |
983 | |
984 | switch (optype) { | |
985 | case OP_BIT_AND: | |
986 | while (lulen && rulen) { | |
cc366d4b | 987 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
988 | lc += ulen; |
989 | lulen -= ulen; | |
cc366d4b | 990 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
991 | rc += ulen; |
992 | rulen -= ulen; | |
993 | duc = luc & ruc; | |
994 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
995 | } | |
c9b3c8d0 JH |
996 | if (sv == left || sv == right) |
997 | (void)sv_usepvn(sv, dcsave, needlen); | |
998 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
999 | break; |
1000 | case OP_BIT_XOR: | |
1001 | while (lulen && rulen) { | |
cc366d4b | 1002 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1003 | lc += ulen; |
1004 | lulen -= ulen; | |
cc366d4b | 1005 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1006 | rc += ulen; |
1007 | rulen -= ulen; | |
1008 | duc = luc ^ ruc; | |
1009 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1010 | } | |
1011 | goto mop_up_utf; | |
1012 | case OP_BIT_OR: | |
1013 | while (lulen && rulen) { | |
cc366d4b | 1014 | luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1015 | lc += ulen; |
1016 | lulen -= ulen; | |
cc366d4b | 1017 | ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV); |
0c57e439 GS |
1018 | rc += ulen; |
1019 | rulen -= ulen; | |
1020 | duc = luc | ruc; | |
1021 | dc = (char*)uv_to_utf8((U8*)dc, duc); | |
1022 | } | |
1023 | mop_up_utf: | |
c9b3c8d0 JH |
1024 | if (sv == left || sv == right) |
1025 | (void)sv_usepvn(sv, dcsave, needlen); | |
1026 | SvCUR_set(sv, dc - dcsave); | |
0c57e439 GS |
1027 | if (rulen) |
1028 | sv_catpvn(sv, rc, rulen); | |
1029 | else if (lulen) | |
1030 | sv_catpvn(sv, lc, lulen); | |
1031 | else | |
1032 | *SvEND(sv) = '\0'; | |
1033 | break; | |
1034 | } | |
1035 | SvUTF8_on(sv); | |
1036 | goto finish; | |
1037 | } | |
1038 | else | |
79072805 LW |
1039 | #ifdef LIBERAL |
1040 | if (len >= sizeof(long)*4 && | |
1041 | !((long)dc % sizeof(long)) && | |
1042 | !((long)lc % sizeof(long)) && | |
1043 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
1044 | { | |
1045 | I32 remainder = len % (sizeof(long)*4); | |
1046 | len /= (sizeof(long)*4); | |
1047 | ||
1048 | dl = (long*)dc; | |
1049 | ll = (long*)lc; | |
1050 | rl = (long*)rc; | |
1051 | ||
1052 | switch (optype) { | |
1053 | case OP_BIT_AND: | |
1054 | while (len--) { | |
1055 | *dl++ = *ll++ & *rl++; | |
1056 | *dl++ = *ll++ & *rl++; | |
1057 | *dl++ = *ll++ & *rl++; | |
1058 | *dl++ = *ll++ & *rl++; | |
1059 | } | |
1060 | break; | |
a0d0e21e | 1061 | case OP_BIT_XOR: |
79072805 LW |
1062 | while (len--) { |
1063 | *dl++ = *ll++ ^ *rl++; | |
1064 | *dl++ = *ll++ ^ *rl++; | |
1065 | *dl++ = *ll++ ^ *rl++; | |
1066 | *dl++ = *ll++ ^ *rl++; | |
1067 | } | |
1068 | break; | |
1069 | case OP_BIT_OR: | |
1070 | while (len--) { | |
1071 | *dl++ = *ll++ | *rl++; | |
1072 | *dl++ = *ll++ | *rl++; | |
1073 | *dl++ = *ll++ | *rl++; | |
1074 | *dl++ = *ll++ | *rl++; | |
1075 | } | |
1076 | } | |
1077 | ||
1078 | dc = (char*)dl; | |
1079 | lc = (char*)ll; | |
1080 | rc = (char*)rl; | |
1081 | ||
1082 | len = remainder; | |
1083 | } | |
1084 | #endif | |
a0d0e21e | 1085 | { |
a0d0e21e LW |
1086 | switch (optype) { |
1087 | case OP_BIT_AND: | |
1088 | while (len--) | |
1089 | *dc++ = *lc++ & *rc++; | |
1090 | break; | |
1091 | case OP_BIT_XOR: | |
1092 | while (len--) | |
1093 | *dc++ = *lc++ ^ *rc++; | |
1094 | goto mop_up; | |
1095 | case OP_BIT_OR: | |
1096 | while (len--) | |
1097 | *dc++ = *lc++ | *rc++; | |
1098 | mop_up: | |
1099 | len = lensave; | |
1100 | if (rightlen > len) | |
1101 | sv_catpvn(sv, rsave + len, rightlen - len); | |
1102 | else if (leftlen > len) | |
1103 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
1104 | else |
1105 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
1106 | break; |
1107 | } | |
79072805 | 1108 | } |
0c57e439 | 1109 | finish: |
fb73857a | 1110 | SvTAINT(sv); |
79072805 | 1111 | } |
463ee0b2 LW |
1112 | |
1113 | OP * | |
cea2e8a9 | 1114 | Perl_do_kv(pTHX) |
463ee0b2 | 1115 | { |
4e35701f | 1116 | djSP; |
463ee0b2 | 1117 | HV *hv = (HV*)POPs; |
800e9ae0 | 1118 | HV *keys; |
463ee0b2 | 1119 | register HE *entry; |
463ee0b2 | 1120 | SV *tmpstr; |
54310121 | 1121 | I32 gimme = GIMME_V; |
533c011a NIS |
1122 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
1123 | I32 dovalues = (PL_op->op_type == OP_VALUES); | |
c750a3ec | 1124 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
8e84507e NIS |
1125 | |
1126 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) | |
a0d0e21e | 1127 | dokeys = dovalues = TRUE; |
463ee0b2 | 1128 | |
85581909 | 1129 | if (!hv) { |
533c011a | 1130 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1131 | dTARGET; /* make sure to clear its target here */ |
1132 | if (SvTYPE(TARG) == SVt_PVLV) | |
1133 | LvTARG(TARG) = Nullsv; | |
1134 | PUSHs(TARG); | |
1135 | } | |
463ee0b2 | 1136 | RETURN; |
85581909 | 1137 | } |
748a9306 | 1138 | |
800e9ae0 JP |
1139 | keys = realhv ? hv : avhv_keys((AV*)hv); |
1140 | (void)hv_iterinit(keys); /* always reset iterator regardless */ | |
748a9306 | 1141 | |
54310121 | 1142 | if (gimme == G_VOID) |
aa689395 | 1143 | RETURN; |
1144 | ||
54310121 | 1145 | if (gimme == G_SCALAR) { |
6ee623d5 | 1146 | IV i; |
463ee0b2 LW |
1147 | dTARGET; |
1148 | ||
533c011a | 1149 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 SB |
1150 | if (SvTYPE(TARG) < SVt_PVLV) { |
1151 | sv_upgrade(TARG, SVt_PVLV); | |
1152 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
1153 | } | |
1154 | LvTYPE(TARG) = 'k'; | |
800e9ae0 | 1155 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 GS |
1156 | if (LvTARG(TARG)) |
1157 | SvREFCNT_dec(LvTARG(TARG)); | |
800e9ae0 | 1158 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 | 1159 | } |
85581909 SB |
1160 | PUSHs(TARG); |
1161 | RETURN; | |
1162 | } | |
1163 | ||
33c27489 | 1164 | if (! SvTIED_mg((SV*)keys, 'P')) |
800e9ae0 | 1165 | i = HvKEYS(keys); |
463ee0b2 LW |
1166 | else { |
1167 | i = 0; | |
463ee0b2 | 1168 | /*SUPPRESS 560*/ |
800e9ae0 | 1169 | while (hv_iternext(keys)) i++; |
463ee0b2 LW |
1170 | } |
1171 | PUSHi( i ); | |
1172 | RETURN; | |
1173 | } | |
1174 | ||
8ed4b672 | 1175 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 | 1176 | |
463ee0b2 | 1177 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
155aba94 | 1178 | while ((entry = hv_iternext(keys))) { |
463ee0b2 | 1179 | SPAGAIN; |
8c2cee6f | 1180 | if (dokeys) |
1181 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ | |
463ee0b2 | 1182 | if (dovalues) { |
463ee0b2 | 1183 | PUTBACK; |
b6429b1b GS |
1184 | tmpstr = realhv ? |
1185 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry); | |
cea2e8a9 | 1186 | DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu", |
46fc3d4c | 1187 | (unsigned long)HeHASH(entry), |
800e9ae0 JP |
1188 | HvMAX(keys)+1, |
1189 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); | |
463ee0b2 | 1190 | SPAGAIN; |
46fc3d4c | 1191 | XPUSHs(tmpstr); |
463ee0b2 LW |
1192 | } |
1193 | PUTBACK; | |
1194 | } | |
1195 | return NORMAL; | |
1196 | } | |
4e35701f | 1197 |