Commit | Line | Data |
a0d0e21e |
1 | /* doop.c |
79072805 |
2 | * |
9607fc9c |
3 | * Copyright (c) 1991-1997, Larry Wall |
79072805 |
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 |
8 | */ |
9 | |
10 | /* |
11 | * "'So that was the job I felt I had to do when I started,' thought Sam." |
79072805 |
12 | */ |
13 | |
14 | #include "EXTERN.h" |
15 | #include "perl.h" |
16 | |
17 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) |
18 | #include <signal.h> |
19 | #endif |
20 | |
79072805 |
21 | I32 |
8ac85365 |
22 | do_trans(SV *sv, OP *arg) |
79072805 |
23 | { |
11343788 |
24 | dTHR; |
1476d272 |
25 | register U8 *s; |
26 | register U8 *send; |
27 | register U8 *d; |
1476d272 |
28 | register I32 matches = 0; |
533c011a |
29 | register I32 squash = PL_op->op_private & OPpTRANS_SQUASH; |
463ee0b2 |
30 | STRLEN len; |
79072805 |
31 | |
533c011a |
32 | if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_COUNTONLY)) |
a0d0e21e |
33 | croak(no_modify); |
a0ed51b3 |
34 | |
35 | if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) { |
36 | SV* rv = (SV*)cSVOP->op_sv; |
37 | HV* hv = (HV*)SvRV(rv); |
38 | SV** svp = hv_fetch(hv, "NONE", 4, FALSE); |
39 | UV none = svp ? SvUV(*svp) : 0x7fffffff; |
40 | UV extra = none + 1; |
41 | I32 del = PL_op->op_private & OPpTRANS_DELETE; |
42 | UV final; |
43 | register UV uv; |
44 | UV puv; |
a0ed51b3 |
45 | register I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF; |
46 | register I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF; |
47 | |
48 | s = (U8*)SvPV(sv, len); |
49 | if (!len) |
50 | return 0; |
51 | if (!SvPOKp(sv)) |
52 | s = (U8*)SvPV_force(sv, len); |
53 | (void)SvPOK_only(sv); |
54 | send = s + len; |
55 | DEBUG_t( deb("2.TBL\n")); |
56 | if (PL_op->op_private == (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) { /* no other flags */ |
57 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
58 | if (svp) |
59 | final = SvUV(*svp); |
60 | |
61 | d = s; |
62 | while (s < send) { |
63 | if ((uv = swash_fetch(rv, s)) < none) { |
64 | s += UTF8SKIP(s); |
65 | matches++; |
66 | d = uv_to_utf8(d, uv); |
67 | } |
68 | else if (uv == none) { |
69 | int i; |
70 | for (i = UTF8SKIP(s); i; i--) |
71 | *d++ = *s++; |
72 | } |
73 | else if (uv == extra) { |
74 | s += UTF8SKIP(s); |
75 | matches++; |
76 | d = uv_to_utf8(d, final); |
77 | } |
78 | else |
79 | s += UTF8SKIP(s); |
79072805 |
80 | } |
a0ed51b3 |
81 | *d = '\0'; |
82 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
83 | SvSETMAGIC(sv); |
79072805 |
84 | } |
a0ed51b3 |
85 | else if (PL_op->op_private == OPpTRANS_FROM_UTF) { /* no other flags */ |
86 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
87 | if (svp) |
88 | final = SvUV(*svp); |
89 | |
90 | d = s; |
91 | while (s < send) { |
92 | if ((uv = swash_fetch(rv, s)) < none) { |
93 | s += UTF8SKIP(s); |
94 | matches++; |
95 | *d++ = (U8)uv; |
96 | } |
97 | else if (uv == none) { |
98 | I32 ulen; |
99 | uv = utf8_to_uv(s, &ulen); |
100 | s += ulen; |
101 | *d++ = (U8)uv; |
102 | } |
103 | else if (uv == extra) { |
104 | s += UTF8SKIP(s); |
105 | matches++; |
106 | *d++ = (U8)final; |
107 | } |
108 | else |
109 | s += UTF8SKIP(s); |
110 | } |
111 | *d = '\0'; |
112 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
113 | SvSETMAGIC(sv); |
114 | } |
115 | else if (PL_op->op_private == OPpTRANS_TO_UTF) { /* no other flags */ |
116 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
117 | if (svp) |
118 | final = SvUV(*svp); |
119 | |
120 | d = s; |
121 | while (s < send) { |
122 | U8 tmpbuf[10]; |
123 | uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */ |
124 | if ((uv = swash_fetch(rv, tmpbuf)) < none) { |
125 | s += UTF8SKIP(s); |
126 | matches++; |
127 | d = uv_to_utf8(d, uv); |
128 | } |
129 | else if (uv == none) { |
130 | I32 ulen; |
131 | uv = utf8_to_uv(s, &ulen); |
132 | s += ulen; |
133 | d = uv_to_utf8(d, uv); |
134 | } |
135 | else if (uv == extra) { |
136 | s += UTF8SKIP(s); |
137 | matches++; |
138 | d = uv_to_utf8(d, final); |
139 | } |
140 | else |
141 | s += UTF8SKIP(s); |
142 | } |
143 | *d = '\0'; |
144 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
145 | SvSETMAGIC(sv); |
5d06d08e |
146 | } |
a0ed51b3 |
147 | else if (PL_op->op_private & OPpTRANS_COUNTONLY) { |
148 | if (from_utf) { |
149 | while (s < send) { |
150 | if (swash_fetch(rv, s) < none) |
151 | matches++; |
152 | s += UTF8SKIP(s); |
153 | } |
154 | } |
155 | else { |
156 | while (s < send) { |
dfe13c55 |
157 | U8 tmpbuf[10]; |
a0ed51b3 |
158 | uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */ |
159 | if (swash_fetch(rv, tmpbuf) < none) |
160 | matches++; |
161 | s += UTF8SKIP(s); |
162 | } |
163 | } |
164 | } |
165 | else { |
166 | I32 bits = 16; |
167 | U8 *dst; |
168 | |
169 | svp = hv_fetch(hv, "BITS", 4, FALSE); |
170 | if (svp) |
171 | bits = (I32)SvIV(*svp); |
172 | |
173 | svp = hv_fetch(hv, "FINAL", 5, FALSE); |
174 | if (svp) |
175 | final = SvUV(*svp); |
176 | |
dfe13c55 |
177 | Newz(801, d, len * (bits >> 3) + 1, U8); |
a0ed51b3 |
178 | dst = d; |
179 | |
180 | puv = 0xfeedface; |
181 | if (squash) { |
182 | while (s < send) { |
183 | if (from_utf) |
184 | uv = swash_fetch(rv, s); |
185 | else { |
dfe13c55 |
186 | U8 tmpbuf[10]; |
a0ed51b3 |
187 | uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */ |
188 | uv = swash_fetch(rv, tmpbuf); |
189 | } |
190 | if (uv < none) { |
191 | matches++; |
192 | if (uv != puv) { |
193 | if (to_utf) |
194 | d = uv_to_utf8(d, uv); |
195 | else |
196 | *d++ = (U8)uv; |
197 | } |
198 | puv = uv; |
199 | s += UTF8SKIP(s); |
200 | continue; |
201 | } |
202 | else if (uv == none) { /* "none" is unmapped character */ |
203 | int i; |
204 | if (to_utf) { |
205 | for (i = UTF8SKIP(s); i; --i) |
206 | *d++ = *s++; |
207 | } |
208 | else { |
209 | I32 ulen; |
210 | *d++ = (U8)utf8_to_uv(s, &ulen); |
211 | s += ulen; |
212 | } |
213 | puv = 0xfeedface; |
214 | continue; |
215 | } |
216 | else if (uv == extra && !del) { |
217 | matches++; |
218 | if (to_utf) |
219 | d = uv_to_utf8(d, final); |
220 | else |
221 | *d++ = (U8)final; |
222 | s += UTF8SKIP(s); |
223 | puv = 0xfeedface; |
224 | continue; |
225 | } |
226 | matches++; /* "none+1" is delete character */ |
227 | s += UTF8SKIP(s); |
228 | } |
229 | } |
230 | else { |
231 | while (s < send) { |
232 | if (from_utf) |
233 | uv = swash_fetch(rv, s); |
234 | else { |
dfe13c55 |
235 | U8 tmpbuf[10]; |
a0ed51b3 |
236 | uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */ |
237 | uv = swash_fetch(rv, tmpbuf); |
238 | } |
239 | if (uv < none) { |
240 | if (to_utf) |
241 | d = uv_to_utf8(d, uv); |
242 | else |
243 | *d++ = (U8)uv; |
244 | matches++; |
245 | s += UTF8SKIP(s); |
246 | continue; |
247 | } |
248 | else if (uv == none) { /* "none" is unmapped character */ |
249 | int i; |
250 | if (to_utf) { |
251 | for (i = UTF8SKIP(s); i; --i) |
252 | *d++ = *s++; |
253 | } |
254 | else { |
255 | I32 ulen; |
256 | *d++ = (U8)utf8_to_uv(s, &ulen); |
257 | s += ulen; |
258 | } |
259 | continue; |
260 | } |
261 | else if (uv == extra && !del) { |
262 | matches++; |
263 | if (to_utf) |
264 | d = uv_to_utf8(d, final); |
265 | else |
266 | *d++ = (U8)final; |
267 | s += UTF8SKIP(s); |
268 | continue; |
269 | } |
270 | matches++; /* "none+1" is delete character */ |
271 | s += UTF8SKIP(s); |
272 | } |
273 | } |
dfe13c55 |
274 | sv_usepvn_mg(sv, (char*)dst, d - dst); |
a0ed51b3 |
275 | } |
276 | return matches; |
79072805 |
277 | } |
278 | else { |
a0ed51b3 |
279 | register short *tbl; |
280 | register I32 ch; |
281 | register U8 *p; |
282 | |
283 | tbl = (short*)cPVOP->op_pv; |
284 | s = (U8*)SvPV(sv, len); |
285 | if (!len) |
286 | return 0; |
287 | if (!SvPOKp(sv)) |
288 | s = (U8*)SvPV_force(sv, len); |
289 | (void)SvPOK_only(sv); |
290 | send = s + len; |
291 | if (!tbl || !s) |
292 | croak("panic: do_trans"); |
293 | DEBUG_t( deb("2.TBL\n")); |
294 | if (!PL_op->op_private) { |
295 | while (s < send) { |
296 | if ((ch = tbl[*s]) >= 0) { |
297 | matches++; |
298 | *s = ch; |
299 | } |
300 | s++; |
301 | } |
302 | SvSETMAGIC(sv); |
303 | } |
304 | else if (PL_op->op_private & OPpTRANS_COUNTONLY) { |
305 | while (s < send) { |
306 | if (tbl[*s] >= 0) |
307 | matches++; |
308 | s++; |
309 | } |
310 | } |
311 | else { |
312 | d = s; |
313 | p = send; |
314 | while (s < send) { |
315 | if ((ch = tbl[*s]) >= 0) { |
316 | *d = ch; |
317 | matches++; |
318 | if (squash) { |
319 | if (p == d - 1 && *p == *d) |
320 | matches--; |
321 | else |
322 | p = d++; |
323 | } |
79072805 |
324 | else |
a0ed51b3 |
325 | d++; |
79072805 |
326 | } |
a0ed51b3 |
327 | else if (ch == -1) /* -1 is unmapped character */ |
328 | *d++ = *s; /* -2 is delete character */ |
329 | s++; |
79072805 |
330 | } |
a0ed51b3 |
331 | matches += send - d; /* account for disappeared chars */ |
332 | *d = '\0'; |
333 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
334 | SvSETMAGIC(sv); |
79072805 |
335 | } |
a0ed51b3 |
336 | return matches; |
79072805 |
337 | } |
79072805 |
338 | } |
339 | |
340 | void |
8ac85365 |
341 | do_join(register SV *sv, SV *del, register SV **mark, register SV **sp) |
79072805 |
342 | { |
343 | SV **oldmark = mark; |
344 | register I32 items = sp - mark; |
79072805 |
345 | register STRLEN len; |
463ee0b2 |
346 | STRLEN delimlen; |
347 | register char *delim = SvPV(del, delimlen); |
348 | STRLEN tmplen; |
79072805 |
349 | |
350 | mark++; |
351 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); |
352 | if (SvTYPE(sv) < SVt_PV) |
353 | sv_upgrade(sv, SVt_PV); |
354 | if (SvLEN(sv) < len + items) { /* current length is way too short */ |
355 | while (items-- > 0) { |
48c036b1 |
356 | if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) { |
463ee0b2 |
357 | SvPV(*mark, tmplen); |
358 | len += tmplen; |
79072805 |
359 | } |
360 | mark++; |
361 | } |
362 | SvGROW(sv, len + 1); /* so try to pre-extend */ |
363 | |
364 | mark = oldmark; |
365 | items = sp - mark;; |
366 | ++mark; |
367 | } |
368 | |
463ee0b2 |
369 | if (items-- > 0) { |
8990e307 |
370 | char *s; |
371 | |
372 | if (*mark) { |
373 | s = SvPV(*mark, tmplen); |
374 | sv_setpvn(sv, s, tmplen); |
375 | } |
376 | else |
377 | sv_setpv(sv, ""); |
463ee0b2 |
378 | mark++; |
379 | } |
79072805 |
380 | else |
381 | sv_setpv(sv,""); |
382 | len = delimlen; |
383 | if (len) { |
384 | for (; items > 0; items--,mark++) { |
385 | sv_catpvn(sv,delim,len); |
386 | sv_catsv(sv,*mark); |
387 | } |
388 | } |
389 | else { |
390 | for (; items > 0; items--,mark++) |
391 | sv_catsv(sv,*mark); |
392 | } |
393 | SvSETMAGIC(sv); |
394 | } |
395 | |
396 | void |
8ac85365 |
397 | do_sprintf(SV *sv, I32 len, SV **sarg) |
79072805 |
398 | { |
46fc3d4c |
399 | STRLEN patlen; |
400 | char *pat = SvPV(*sarg, patlen); |
401 | bool do_taint = FALSE; |
402 | |
403 | sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint); |
79072805 |
404 | SvSETMAGIC(sv); |
46fc3d4c |
405 | if (do_taint) |
406 | SvTAINTED_on(sv); |
79072805 |
407 | } |
408 | |
409 | void |
8ac85365 |
410 | do_vecset(SV *sv) |
79072805 |
411 | { |
412 | SV *targ = LvTARG(sv); |
413 | register I32 offset; |
414 | register I32 size; |
8990e307 |
415 | register unsigned char *s; |
416 | register unsigned long lval; |
79072805 |
417 | I32 mask; |
a0d0e21e |
418 | STRLEN targlen; |
419 | STRLEN len; |
79072805 |
420 | |
8990e307 |
421 | if (!targ) |
422 | return; |
a0d0e21e |
423 | s = (unsigned char*)SvPV_force(targ, targlen); |
8990e307 |
424 | lval = U_L(SvNV(sv)); |
79072805 |
425 | offset = LvTARGOFF(sv); |
426 | size = LvTARGLEN(sv); |
a0d0e21e |
427 | |
428 | len = (offset + size + 7) / 8; |
429 | if (len > targlen) { |
430 | s = (unsigned char*)SvGROW(targ, len + 1); |
431 | (void)memzero(s + targlen, len - targlen + 1); |
432 | SvCUR_set(targ, len); |
433 | } |
434 | |
79072805 |
435 | if (size < 8) { |
436 | mask = (1 << size) - 1; |
437 | size = offset & 7; |
438 | lval &= mask; |
439 | offset >>= 3; |
440 | s[offset] &= ~(mask << size); |
441 | s[offset] |= lval << size; |
442 | } |
443 | else { |
a0d0e21e |
444 | offset >>= 3; |
79072805 |
445 | if (size == 8) |
446 | s[offset] = lval & 255; |
447 | else if (size == 16) { |
448 | s[offset] = (lval >> 8) & 255; |
449 | s[offset+1] = lval & 255; |
450 | } |
451 | else if (size == 32) { |
452 | s[offset] = (lval >> 24) & 255; |
453 | s[offset+1] = (lval >> 16) & 255; |
454 | s[offset+2] = (lval >> 8) & 255; |
455 | s[offset+3] = lval & 255; |
456 | } |
457 | } |
458 | } |
459 | |
460 | void |
8ac85365 |
461 | do_chop(register SV *astr, register SV *sv) |
79072805 |
462 | { |
463ee0b2 |
463 | STRLEN len; |
a0d0e21e |
464 | char *s; |
c485e607 |
465 | dTHR; |
a0d0e21e |
466 | |
79072805 |
467 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e |
468 | register I32 i; |
469 | I32 max; |
470 | AV* av = (AV*)sv; |
471 | max = AvFILL(av); |
472 | for (i = 0; i <= max; i++) { |
473 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
474 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
475 | do_chop(astr, sv); |
476 | } |
477 | return; |
79072805 |
478 | } |
479 | if (SvTYPE(sv) == SVt_PVHV) { |
a0d0e21e |
480 | HV* hv = (HV*)sv; |
481 | HE* entry; |
482 | (void)hv_iterinit(hv); |
483 | /*SUPPRESS 560*/ |
484 | while (entry = hv_iternext(hv)) |
485 | do_chop(astr,hv_iterval(hv,entry)); |
486 | return; |
79072805 |
487 | } |
a0d0e21e |
488 | s = SvPV(sv, len); |
748a9306 |
489 | if (len && !SvPOK(sv)) |
a0d0e21e |
490 | s = SvPV_force(sv, len); |
a0ed51b3 |
491 | if (IN_UTF8) { |
492 | if (s && len) { |
493 | char *send = s + len; |
494 | char *start = s; |
495 | s = send - 1; |
496 | while ((*s & 0xc0) == 0x80) |
497 | --s; |
498 | if (UTF8SKIP(s) != send - s) |
499 | warn("Malformed UTF-8 character"); |
500 | sv_setpvn(astr, s, send - s); |
501 | *s = '\0'; |
502 | SvCUR_set(sv, s - start); |
503 | SvNIOK_off(sv); |
504 | } |
505 | else |
506 | sv_setpvn(astr, "", 0); |
507 | } |
508 | else |
a0d0e21e |
509 | if (s && len) { |
510 | s += --len; |
511 | sv_setpvn(astr, s, 1); |
512 | *s = '\0'; |
513 | SvCUR_set(sv, len); |
514 | SvNIOK_off(sv); |
79072805 |
515 | } |
516 | else |
a0d0e21e |
517 | sv_setpvn(astr, "", 0); |
518 | SvSETMAGIC(sv); |
519 | } |
520 | |
521 | I32 |
8ac85365 |
522 | do_chomp(register SV *sv) |
a0d0e21e |
523 | { |
aeea060c |
524 | dTHR; |
c07a80fd |
525 | register I32 count; |
a0d0e21e |
526 | STRLEN len; |
527 | char *s; |
c07a80fd |
528 | |
3280af22 |
529 | if (RsSNARF(PL_rs)) |
c07a80fd |
530 | return 0; |
531 | count = 0; |
a0d0e21e |
532 | if (SvTYPE(sv) == SVt_PVAV) { |
533 | register I32 i; |
534 | I32 max; |
535 | AV* av = (AV*)sv; |
536 | max = AvFILL(av); |
537 | for (i = 0; i <= max; i++) { |
538 | sv = (SV*)av_fetch(av, i, FALSE); |
3280af22 |
539 | if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef)) |
a0d0e21e |
540 | count += do_chomp(sv); |
541 | } |
542 | return count; |
543 | } |
544 | if (SvTYPE(sv) == SVt_PVHV) { |
545 | HV* hv = (HV*)sv; |
546 | HE* entry; |
547 | (void)hv_iterinit(hv); |
548 | /*SUPPRESS 560*/ |
549 | while (entry = hv_iternext(hv)) |
550 | count += do_chomp(hv_iterval(hv,entry)); |
551 | return count; |
552 | } |
553 | s = SvPV(sv, len); |
554 | if (len && !SvPOKp(sv)) |
555 | s = SvPV_force(sv, len); |
556 | if (s && len) { |
557 | s += --len; |
3280af22 |
558 | if (RsPARA(PL_rs)) { |
a0d0e21e |
559 | if (*s != '\n') |
560 | goto nope; |
561 | ++count; |
562 | while (len && s[-1] == '\n') { |
563 | --len; |
564 | --s; |
565 | ++count; |
566 | } |
567 | } |
a0d0e21e |
568 | else { |
c07a80fd |
569 | STRLEN rslen; |
3280af22 |
570 | char *rsptr = SvPV(PL_rs, rslen); |
c07a80fd |
571 | if (rslen == 1) { |
572 | if (*s != *rsptr) |
573 | goto nope; |
574 | ++count; |
575 | } |
576 | else { |
8c2cee6f |
577 | if (len < rslen - 1) |
c07a80fd |
578 | goto nope; |
579 | len -= rslen - 1; |
580 | s -= rslen - 1; |
36477c24 |
581 | if (memNE(s, rsptr, rslen)) |
c07a80fd |
582 | goto nope; |
583 | count += rslen; |
584 | } |
a0d0e21e |
585 | } |
a0d0e21e |
586 | *s = '\0'; |
587 | SvCUR_set(sv, len); |
588 | SvNIOK_off(sv); |
589 | } |
590 | nope: |
591 | SvSETMAGIC(sv); |
592 | return count; |
593 | } |
79072805 |
594 | |
595 | void |
8ac85365 |
596 | do_vop(I32 optype, SV *sv, SV *left, SV *right) |
79072805 |
597 | { |
aeea060c |
598 | dTHR; /* just for taint */ |
79072805 |
599 | #ifdef LIBERAL |
600 | register long *dl; |
601 | register long *ll; |
602 | register long *rl; |
603 | #endif |
604 | register char *dc; |
463ee0b2 |
605 | STRLEN leftlen; |
606 | STRLEN rightlen; |
7a4c00b4 |
607 | register char *lc; |
608 | register char *rc; |
79072805 |
609 | register I32 len; |
a0d0e21e |
610 | I32 lensave; |
7a4c00b4 |
611 | char *lsave; |
612 | char *rsave; |
79072805 |
613 | |
1fbd88dc |
614 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
615 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ |
7a4c00b4 |
616 | lsave = lc = SvPV(left, leftlen); |
617 | rsave = rc = SvPV(right, rightlen); |
93a17b20 |
618 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e |
619 | lensave = len; |
7a4c00b4 |
620 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
3280af22 |
621 | dc = SvPV_force(sv, PL_na); |
ff68c719 |
622 | if (SvCUR(sv) < len) { |
623 | dc = SvGROW(sv, len + 1); |
624 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); |
625 | } |
626 | } |
627 | else { |
628 | I32 needlen = ((optype == OP_BIT_AND) |
629 | ? len : (leftlen > rightlen ? leftlen : rightlen)); |
630 | Newz(801, dc, needlen + 1, char); |
631 | (void)sv_usepvn(sv, dc, needlen); |
632 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ |
79072805 |
633 | } |
a0d0e21e |
634 | SvCUR_set(sv, len); |
635 | (void)SvPOK_only(sv); |
79072805 |
636 | #ifdef LIBERAL |
637 | if (len >= sizeof(long)*4 && |
638 | !((long)dc % sizeof(long)) && |
639 | !((long)lc % sizeof(long)) && |
640 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ |
641 | { |
642 | I32 remainder = len % (sizeof(long)*4); |
643 | len /= (sizeof(long)*4); |
644 | |
645 | dl = (long*)dc; |
646 | ll = (long*)lc; |
647 | rl = (long*)rc; |
648 | |
649 | switch (optype) { |
650 | case OP_BIT_AND: |
651 | while (len--) { |
652 | *dl++ = *ll++ & *rl++; |
653 | *dl++ = *ll++ & *rl++; |
654 | *dl++ = *ll++ & *rl++; |
655 | *dl++ = *ll++ & *rl++; |
656 | } |
657 | break; |
a0d0e21e |
658 | case OP_BIT_XOR: |
79072805 |
659 | while (len--) { |
660 | *dl++ = *ll++ ^ *rl++; |
661 | *dl++ = *ll++ ^ *rl++; |
662 | *dl++ = *ll++ ^ *rl++; |
663 | *dl++ = *ll++ ^ *rl++; |
664 | } |
665 | break; |
666 | case OP_BIT_OR: |
667 | while (len--) { |
668 | *dl++ = *ll++ | *rl++; |
669 | *dl++ = *ll++ | *rl++; |
670 | *dl++ = *ll++ | *rl++; |
671 | *dl++ = *ll++ | *rl++; |
672 | } |
673 | } |
674 | |
675 | dc = (char*)dl; |
676 | lc = (char*)ll; |
677 | rc = (char*)rl; |
678 | |
679 | len = remainder; |
680 | } |
681 | #endif |
a0d0e21e |
682 | { |
a0d0e21e |
683 | switch (optype) { |
684 | case OP_BIT_AND: |
685 | while (len--) |
686 | *dc++ = *lc++ & *rc++; |
687 | break; |
688 | case OP_BIT_XOR: |
689 | while (len--) |
690 | *dc++ = *lc++ ^ *rc++; |
691 | goto mop_up; |
692 | case OP_BIT_OR: |
693 | while (len--) |
694 | *dc++ = *lc++ | *rc++; |
695 | mop_up: |
696 | len = lensave; |
697 | if (rightlen > len) |
698 | sv_catpvn(sv, rsave + len, rightlen - len); |
699 | else if (leftlen > len) |
700 | sv_catpvn(sv, lsave + len, leftlen - len); |
4633a7c4 |
701 | else |
702 | *SvEND(sv) = '\0'; |
a0d0e21e |
703 | break; |
704 | } |
79072805 |
705 | } |
fb73857a |
706 | SvTAINT(sv); |
79072805 |
707 | } |
463ee0b2 |
708 | |
709 | OP * |
8ac85365 |
710 | do_kv(ARGSproto) |
463ee0b2 |
711 | { |
4e35701f |
712 | djSP; |
463ee0b2 |
713 | HV *hv = (HV*)POPs; |
800e9ae0 |
714 | HV *keys; |
463ee0b2 |
715 | register HE *entry; |
463ee0b2 |
716 | SV *tmpstr; |
54310121 |
717 | I32 gimme = GIMME_V; |
533c011a |
718 | I32 dokeys = (PL_op->op_type == OP_KEYS); |
719 | I32 dovalues = (PL_op->op_type == OP_VALUES); |
c750a3ec |
720 | I32 realhv = (SvTYPE(hv) == SVt_PVHV); |
721 | |
533c011a |
722 | if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV) |
a0d0e21e |
723 | dokeys = dovalues = TRUE; |
463ee0b2 |
724 | |
85581909 |
725 | if (!hv) { |
533c011a |
726 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
727 | dTARGET; /* make sure to clear its target here */ |
728 | if (SvTYPE(TARG) == SVt_PVLV) |
729 | LvTARG(TARG) = Nullsv; |
730 | PUSHs(TARG); |
731 | } |
463ee0b2 |
732 | RETURN; |
85581909 |
733 | } |
748a9306 |
734 | |
800e9ae0 |
735 | keys = realhv ? hv : avhv_keys((AV*)hv); |
736 | (void)hv_iterinit(keys); /* always reset iterator regardless */ |
748a9306 |
737 | |
54310121 |
738 | if (gimme == G_VOID) |
aa689395 |
739 | RETURN; |
740 | |
54310121 |
741 | if (gimme == G_SCALAR) { |
6ee623d5 |
742 | IV i; |
463ee0b2 |
743 | dTARGET; |
744 | |
533c011a |
745 | if (PL_op->op_flags & OPf_MOD) { /* lvalue */ |
85581909 |
746 | if (SvTYPE(TARG) < SVt_PVLV) { |
747 | sv_upgrade(TARG, SVt_PVLV); |
748 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); |
749 | } |
750 | LvTYPE(TARG) = 'k'; |
800e9ae0 |
751 | if (LvTARG(TARG) != (SV*)keys) { |
6ff81951 |
752 | if (LvTARG(TARG)) |
753 | SvREFCNT_dec(LvTARG(TARG)); |
800e9ae0 |
754 | LvTARG(TARG) = SvREFCNT_inc(keys); |
6ff81951 |
755 | } |
85581909 |
756 | PUSHs(TARG); |
757 | RETURN; |
758 | } |
759 | |
800e9ae0 |
760 | if (!SvRMAGICAL(keys) || !mg_find((SV*)keys,'P')) |
761 | i = HvKEYS(keys); |
463ee0b2 |
762 | else { |
763 | i = 0; |
463ee0b2 |
764 | /*SUPPRESS 560*/ |
800e9ae0 |
765 | while (hv_iternext(keys)) i++; |
463ee0b2 |
766 | } |
767 | PUSHi( i ); |
768 | RETURN; |
769 | } |
770 | |
8ed4b672 |
771 | EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues)); |
463ee0b2 |
772 | |
463ee0b2 |
773 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
800e9ae0 |
774 | while (entry = hv_iternext(keys)) { |
463ee0b2 |
775 | SPAGAIN; |
8c2cee6f |
776 | if (dokeys) |
777 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ |
463ee0b2 |
778 | if (dovalues) { |
46fc3d4c |
779 | tmpstr = sv_newmortal(); |
463ee0b2 |
780 | PUTBACK; |
c750a3ec |
781 | sv_setsv(tmpstr,realhv ? |
782 | hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry)); |
46fc3d4c |
783 | DEBUG_H(sv_setpvf(tmpstr, "%lu%%%d=%lu", |
784 | (unsigned long)HeHASH(entry), |
800e9ae0 |
785 | HvMAX(keys)+1, |
786 | (unsigned long)(HeHASH(entry) & HvMAX(keys)))); |
463ee0b2 |
787 | SPAGAIN; |
46fc3d4c |
788 | XPUSHs(tmpstr); |
463ee0b2 |
789 | } |
790 | PUTBACK; |
791 | } |
792 | return NORMAL; |
793 | } |
4e35701f |
794 | |