This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Update Changes.
[perl5.git] / doop.c
CommitLineData
a0d0e21e 1/* doop.c
79072805 2 *
bc89e66f 3 * Copyright (c) 1991-2001, 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
942e002e 24STATIC I32
b250498f 25S_do_trans_simple(pTHX_ SV *sv)
79072805 26{
4757a243 27 U8 *s;
b250498f 28 U8 *d;
4757a243 29 U8 *send;
b250498f 30 U8 *dstart;
4757a243 31 I32 matches = 0;
9b877dbb 32 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
463ee0b2 33 STRLEN len;
4757a243
LW
34 short *tbl;
35 I32 ch;
79072805 36
4757a243
LW
37 tbl = (short*)cPVOP->op_pv;
38 if (!tbl)
7d85a32c 39 Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__);
a0ed51b3 40
4757a243
LW
41 s = (U8*)SvPV(sv, len);
42 send = s + len;
43
b250498f 44 /* First, take care of non-UTF8 input strings, because they're easy */
1aa99e6b 45 if (!SvUTF8(sv)) {
01ec43d0 46 while (s < send) {
036b4402 47 if ((ch = tbl[*s]) >= 0) {
01ec43d0
GS
48 matches++;
49 *s++ = ch;
50 }
51 else
52 s++;
53 }
54 SvSETMAGIC(sv);
b250498f
GS
55 return matches;
56 }
4757a243 57
b250498f 58 /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
9b877dbb
IH
59 if (grows)
60 New(0, d, len*2+1, U8);
61 else
62 d = s;
b250498f
GS
63 dstart = d;
64 while (s < send) {
ba210ebe 65 STRLEN ulen;
9b877dbb 66 UV c;
b250498f 67
b250498f 68 /* Need to check this, otherwise 128..255 won't match */
9041c2e3 69 c = utf8n_to_uvchr(s, send - s, &ulen, 0);
9b877dbb 70 if (c < 0x100 && (ch = tbl[c]) >= 0) {
b250498f 71 matches++;
9041c2e3 72 d = uvchr_to_utf8(d, ch);
b250498f 73 s += ulen;
01ec43d0
GS
74 }
75 else { /* No match -> copy */
9b877dbb
IH
76 Copy(s, d, ulen, U8);
77 d += ulen;
78 s += ulen;
b250498f
GS
79 }
80 }
9b877dbb
IH
81 if (grows) {
82 sv_setpvn(sv, (char*)dstart, d - dstart);
83 Safefree(dstart);
84 }
85 else {
86 *d = '\0';
87 SvCUR_set(sv, d - dstart);
88 }
b250498f 89 SvUTF8_on(sv);
b250498f 90 SvSETMAGIC(sv);
4757a243
LW
91 return matches;
92}
93
942e002e 94STATIC I32
21304a3b 95S_do_trans_count(pTHX_ SV *sv)
4757a243 96{
4757a243
LW
97 U8 *s;
98 U8 *send;
99 I32 matches = 0;
100 STRLEN len;
101 short *tbl;
8973db79 102 I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
4757a243
LW
103
104 tbl = (short*)cPVOP->op_pv;
105 if (!tbl)
7d85a32c 106 Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__);
4757a243
LW
107
108 s = (U8*)SvPV(sv, len);
109 send = s + len;
110
1aa99e6b
IH
111 if (!SvUTF8(sv))
112 while (s < send) {
113 if (tbl[*s++] >= 0)
036b4402 114 matches++;
1aa99e6b
IH
115 }
116 else
117 while (s < send) {
118 UV c;
119 STRLEN ulen;
9041c2e3 120 c = utf8n_to_uvchr(s, send - s, &ulen, 0);
8973db79
JH
121 if (c < 0x100) {
122 if (tbl[c] >= 0)
123 matches++;
124 } else if (complement)
1aa99e6b
IH
125 matches++;
126 s += ulen;
127 }
4757a243
LW
128
129 return matches;
130}
131
942e002e 132STATIC I32
21304a3b 133S_do_trans_complex(pTHX_ SV *sv)
4757a243 134{
4757a243
LW
135 U8 *s;
136 U8 *send;
137 U8 *d;
5e44153e 138 U8 *dstart;
1aa99e6b 139 I32 isutf8;
4757a243 140 I32 matches = 0;
9b877dbb 141 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
8973db79
JH
142 I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
143 I32 del = PL_op->op_private & OPpTRANS_DELETE;
b7953727 144 STRLEN len, rlen = 0;
4757a243
LW
145 short *tbl;
146 I32 ch;
147
148 tbl = (short*)cPVOP->op_pv;
149 if (!tbl)
7d85a32c 150 Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__);
4757a243
LW
151
152 s = (U8*)SvPV(sv, len);
1aa99e6b 153 isutf8 = SvUTF8(sv);
4757a243
LW
154 send = s + len;
155
1aa99e6b
IH
156 if (!isutf8) {
157 dstart = d = s;
158 if (PL_op->op_private & OPpTRANS_SQUASH) {
159 U8* p = send;
160 while (s < send) {
161 if ((ch = tbl[*s]) >= 0) {
036b4402
GS
162 *d = ch;
163 matches++;
1aa99e6b
IH
164 if (p != d - 1 || *p != *d)
165 p = d++;
166 }
167 else if (ch == -1) /* -1 is unmapped character */
168 *d++ = *s;
169 else if (ch == -2) /* -2 is delete character */
170 matches++;
171 s++;
172 }
a0ed51b3 173 }
1aa99e6b
IH
174 else {
175 while (s < send) {
176 if ((ch = tbl[*s]) >= 0) {
177 matches++;
178 *d++ = ch;
179 }
180 else if (ch == -1) /* -1 is unmapped character */
181 *d++ = *s;
182 else if (ch == -2) /* -2 is delete character */
183 matches++;
184 s++;
185 }
186 }
76ef7183 187 *d = '\0';
1aa99e6b 188 SvCUR_set(sv, d - dstart);
4757a243 189 }
1aa99e6b 190 else { /* isutf8 */
9b877dbb
IH
191 if (grows)
192 New(0, d, len*2+1, U8);
193 else
194 d = s;
1aa99e6b 195 dstart = d;
8973db79
JH
196 if (complement && !del)
197 rlen = tbl[0x100];
1aa99e6b 198
4aecb5b5
JH
199#ifdef MACOS_TRADITIONAL
200#define comp CoMP /* "comp" is a keyword in some compilers ... */
201#endif
202
1aa99e6b 203 if (PL_op->op_private & OPpTRANS_SQUASH) {
1aa99e6b
IH
204 UV pch = 0xfeedface;
205 while (s < send) {
206 STRLEN len;
9041c2e3 207 UV comp = utf8_to_uvchr(s, &len);
1aa99e6b 208
8973db79
JH
209 if (comp > 0xff) {
210 if (!complement) {
211 Copy(s, d, len, U8);
212 d += len;
213 }
214 else {
215 matches++;
216 if (!del) {
05d340b8
JH
217 ch = (rlen == 0) ? comp :
218 (comp - 0x100 < rlen) ?
8973db79
JH
219 tbl[comp+1] : tbl[0x100+rlen];
220 if (ch != pch) {
9041c2e3 221 d = uvchr_to_utf8(d, ch);
8973db79
JH
222 pch = ch;
223 }
224 s += len;
225 continue;
226 }
227 }
9b877dbb 228 }
1aa99e6b
IH
229 else if ((ch = tbl[comp]) >= 0) {
230 matches++;
231 if (ch != pch) {
9041c2e3 232 d = uvchr_to_utf8(d, ch);
1aa99e6b
IH
233 pch = ch;
234 }
235 s += len;
236 continue;
237 }
9b877dbb
IH
238 else if (ch == -1) { /* -1 is unmapped character */
239 Copy(s, d, len, U8);
240 d += len;
241 }
1aa99e6b
IH
242 else if (ch == -2) /* -2 is delete character */
243 matches++;
244 s += len;
245 pch = 0xfeedface;
246 }
5d06d08e 247 }
1aa99e6b
IH
248 else {
249 while (s < send) {
250 STRLEN len;
9041c2e3 251 UV comp = utf8_to_uvchr(s, &len);
8973db79
JH
252 if (comp > 0xff) {
253 if (!complement) {
254 Copy(s, d, len, U8);
255 d += len;
256 }
257 else {
258 matches++;
259 if (!del) {
9041c2e3
NIS
260 if (comp - 0x100 < rlen)
261 d = uvchr_to_utf8(d, tbl[comp+1]);
8973db79 262 else
9041c2e3 263 d = uvchr_to_utf8(d, tbl[0x100+rlen]);
8973db79
JH
264 }
265 }
9b877dbb 266 }
1aa99e6b 267 else if ((ch = tbl[comp]) >= 0) {
9041c2e3 268 d = uvchr_to_utf8(d, ch);
1aa99e6b
IH
269 matches++;
270 }
271 else if (ch == -1) { /* -1 is unmapped character */
9b877dbb
IH
272 Copy(s, d, len, U8);
273 d += len;
1aa99e6b
IH
274 }
275 else if (ch == -2) /* -2 is delete character */
276 matches++;
277 s += len;
278 }
279 }
9b877dbb
IH
280 if (grows) {
281 sv_setpvn(sv, (char*)dstart, d - dstart);
282 Safefree(dstart);
283 }
284 else {
285 *d = '\0';
286 SvCUR_set(sv, d - dstart);
287 }
1aa99e6b 288 SvUTF8_on(sv);
4757a243 289 }
5e44153e 290 SvSETMAGIC(sv);
4757a243
LW
291 return matches;
292}
293
942e002e 294STATIC I32
21304a3b 295S_do_trans_simple_utf8(pTHX_ SV *sv)
4757a243 296{
4757a243
LW
297 U8 *s;
298 U8 *send;
299 U8 *d;
036b4402 300 U8 *start;
1aa99e6b 301 U8 *dstart, *dend;
4757a243 302 I32 matches = 0;
9b877dbb 303 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
4757a243
LW
304 STRLEN len;
305
306 SV* rv = (SV*)cSVOP->op_sv;
307 HV* hv = (HV*)SvRV(rv);
308 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
309 UV none = svp ? SvUV(*svp) : 0x7fffffff;
310 UV extra = none + 1;
b7953727 311 UV final = 0;
4757a243 312 UV uv;
1aa99e6b
IH
313 I32 isutf8;
314 U8 hibit = 0;
4757a243
LW
315
316 s = (U8*)SvPV(sv, len);
1aa99e6b
IH
317 isutf8 = SvUTF8(sv);
318 if (!isutf8) {
319 U8 *t = s, *e = s + len;
c4d5f83a
NIS
320 while (t < e) {
321 U8 ch = *t++;
322 if ((hibit = !NATIVE_IS_INVARIANT(ch)))
1aa99e6b 323 break;
c4d5f83a 324 }
1aa99e6b
IH
325 if (hibit)
326 s = bytes_to_utf8(s, &len);
327 }
4757a243 328 send = s + len;
036b4402 329 start = s;
4757a243
LW
330
331 svp = hv_fetch(hv, "FINAL", 5, FALSE);
332 if (svp)
333 final = SvUV(*svp);
334
9b877dbb
IH
335 if (grows) {
336 /* d needs to be bigger than s, in case e.g. upgrading is required */
337 New(0, d, len*3+UTF8_MAXLEN, U8);
338 dend = d + len * 3;
339 dstart = d;
340 }
341 else {
342 dstart = d = s;
343 dend = d + len;
344 }
1aa99e6b 345
4757a243 346 while (s < send) {
3568d838 347 if ((uv = swash_fetch(rv, s, TRUE)) < none) {
4757a243
LW
348 s += UTF8SKIP(s);
349 matches++;
7d85a32c 350 d = uvuni_to_utf8(d, uv);
4757a243
LW
351 }
352 else if (uv == none) {
1aa99e6b 353 int i = UTF8SKIP(s);
9b877dbb
IH
354 Copy(s, d, i, U8);
355 d += i;
356 s += i;
4757a243
LW
357 }
358 else if (uv == extra) {
1aa99e6b 359 int i = UTF8SKIP(s);
036b4402 360 s += i;
4757a243 361 matches++;
7d85a32c 362 d = uvuni_to_utf8(d, final);
4757a243
LW
363 }
364 else
365 s += UTF8SKIP(s);
1aa99e6b 366
9b877dbb 367 if (d > dend) {
1aa99e6b
IH
368 STRLEN clen = d - dstart;
369 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
9b877dbb 370 if (!grows)
7d85a32c 371 Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__);
1aa99e6b
IH
372 Renew(dstart, nlen+UTF8_MAXLEN, U8);
373 d = dstart + clen;
374 dend = dstart + nlen;
375 }
4757a243 376 }
16ec844d 377 if (grows || hibit) {
9b877dbb
IH
378 sv_setpvn(sv, (char*)dstart, d - dstart);
379 Safefree(dstart);
16ec844d
IH
380 if (grows && hibit)
381 Safefree(start);
9b877dbb
IH
382 }
383 else {
384 *d = '\0';
385 SvCUR_set(sv, d - dstart);
386 }
4757a243 387 SvSETMAGIC(sv);
1aa99e6b 388 SvUTF8_on(sv);
4757a243
LW
389
390 return matches;
391}
392
942e002e 393STATIC I32
21304a3b 394S_do_trans_count_utf8(pTHX_ SV *sv)
4757a243 395{
4757a243 396 U8 *s;
b7953727 397 U8 *start = 0, *send;
4757a243
LW
398 I32 matches = 0;
399 STRLEN len;
400
401 SV* rv = (SV*)cSVOP->op_sv;
402 HV* hv = (HV*)SvRV(rv);
403 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
404 UV none = svp ? SvUV(*svp) : 0x7fffffff;
45005bfb 405 UV extra = none + 1;
4757a243 406 UV uv;
1aa99e6b 407 U8 hibit = 0;
4757a243
LW
408
409 s = (U8*)SvPV(sv, len);
1aa99e6b
IH
410 if (!SvUTF8(sv)) {
411 U8 *t = s, *e = s + len;
c4d5f83a
NIS
412 while (t < e) {
413 U8 ch = *t++;
414 if ((hibit = !NATIVE_IS_INVARIANT(ch)))
1aa99e6b 415 break;
c4d5f83a 416 }
1aa99e6b
IH
417 if (hibit)
418 start = s = bytes_to_utf8(s, &len);
419 }
4757a243
LW
420 send = s + len;
421
422 while (s < send) {
3568d838 423 if ((uv = swash_fetch(rv, s, TRUE)) < none || uv == extra)
4757a243 424 matches++;
834a4ddd 425 s += UTF8SKIP(s);
4757a243 426 }
1aa99e6b
IH
427 if (hibit)
428 Safefree(start);
4757a243
LW
429
430 return matches;
431}
432
942e002e 433STATIC I32
21304a3b 434S_do_trans_complex_utf8(pTHX_ SV *sv)
4757a243 435{
4757a243 436 U8 *s;
1aa99e6b 437 U8 *start, *send;
4757a243
LW
438 U8 *d;
439 I32 matches = 0;
440 I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
4757a243 441 I32 del = PL_op->op_private & OPpTRANS_DELETE;
9b877dbb 442 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
4757a243
LW
443 SV* rv = (SV*)cSVOP->op_sv;
444 HV* hv = (HV*)SvRV(rv);
445 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
446 UV none = svp ? SvUV(*svp) : 0x7fffffff;
447 UV extra = none + 1;
b7953727 448 UV final = 0;
45005bfb 449 bool havefinal = FALSE;
4757a243
LW
450 UV uv;
451 STRLEN len;
1aa99e6b
IH
452 U8 *dstart, *dend;
453 I32 isutf8;
454 U8 hibit = 0;
4757a243
LW
455
456 s = (U8*)SvPV(sv, len);
1aa99e6b
IH
457 isutf8 = SvUTF8(sv);
458 if (!isutf8) {
459 U8 *t = s, *e = s + len;
c4d5f83a
NIS
460 while (t < e) {
461 U8 ch = *t++;
462 if ((hibit = !NATIVE_IS_INVARIANT(ch)))
1aa99e6b 463 break;
c4d5f83a 464 }
1aa99e6b
IH
465 if (hibit)
466 s = bytes_to_utf8(s, &len);
467 }
4757a243 468 send = s + len;
1aa99e6b 469 start = s;
4757a243
LW
470
471 svp = hv_fetch(hv, "FINAL", 5, FALSE);
45005bfb 472 if (svp) {
4757a243 473 final = SvUV(*svp);
45005bfb
JH
474 havefinal = TRUE;
475 }
4757a243 476
9b877dbb
IH
477 if (grows) {
478 /* d needs to be bigger than s, in case e.g. upgrading is required */
479 New(0, d, len*3+UTF8_MAXLEN, U8);
480 dend = d + len * 3;
481 dstart = d;
482 }
483 else {
484 dstart = d = s;
485 dend = d + len;
486 }
4757a243
LW
487
488 if (squash) {
489 UV puv = 0xfeedface;
490 while (s < send) {
3568d838 491 uv = swash_fetch(rv, s, TRUE);
9041c2e3 492
9b877dbb
IH
493 if (d > dend) {
494 STRLEN clen = d - dstart;
495 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
496 if (!grows)
7d85a32c 497 Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
1aa99e6b
IH
498 Renew(dstart, nlen+UTF8_MAXLEN, U8);
499 d = dstart + clen;
500 dend = dstart + nlen;
4757a243
LW
501 }
502 if (uv < none) {
503 matches++;
94472101 504 s += UTF8SKIP(s);
4757a243 505 if (uv != puv) {
7d85a32c 506 d = uvuni_to_utf8(d, uv);
4757a243
LW
507 puv = uv;
508 }
4757a243
LW
509 continue;
510 }
511 else if (uv == none) { /* "none" is unmapped character */
1aa99e6b 512 int i = UTF8SKIP(s);
9b877dbb
IH
513 Copy(s, d, i, U8);
514 d += i;
515 s += i;
4757a243
LW
516 puv = 0xfeedface;
517 continue;
a0ed51b3 518 }
4757a243
LW
519 else if (uv == extra && !del) {
520 matches++;
45005bfb
JH
521 if (havefinal) {
522 s += UTF8SKIP(s);
523 if (puv != final) {
7d85a32c 524 d = uvuni_to_utf8(d, final);
45005bfb
JH
525 puv = final;
526 }
527 }
528 else {
529 STRLEN len;
7d85a32c 530 uv = utf8_to_uvuni(s, &len);
45005bfb
JH
531 if (uv != puv) {
532 Copy(s, d, len, U8);
533 d += len;
534 puv = uv;
535 }
536 s += len;
4757a243 537 }
4757a243
LW
538 continue;
539 }
01ec43d0
GS
540 matches++; /* "none+1" is delete character */
541 s += UTF8SKIP(s);
a0ed51b3 542 }
79072805
LW
543 }
544 else {
4757a243 545 while (s < send) {
3568d838 546 uv = swash_fetch(rv, s, TRUE);
9b877dbb
IH
547 if (d > dend) {
548 STRLEN clen = d - dstart;
549 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
550 if (!grows)
7d85a32c 551 Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
1aa99e6b
IH
552 Renew(dstart, nlen+UTF8_MAXLEN, U8);
553 d = dstart + clen;
554 dend = dstart + nlen;
a0ed51b3 555 }
4757a243
LW
556 if (uv < none) {
557 matches++;
01ec43d0 558 s += UTF8SKIP(s);
7d85a32c 559 d = uvuni_to_utf8(d, uv);
4757a243 560 continue;
a0ed51b3 561 }
4757a243 562 else if (uv == none) { /* "none" is unmapped character */
1aa99e6b 563 int i = UTF8SKIP(s);
9b877dbb
IH
564 Copy(s, d, i, U8);
565 d += i;
566 s += i;
4757a243 567 continue;
79072805 568 }
4757a243
LW
569 else if (uv == extra && !del) {
570 matches++;
01ec43d0 571 s += UTF8SKIP(s);
7d85a32c 572 d = uvuni_to_utf8(d, final);
4757a243
LW
573 continue;
574 }
01ec43d0
GS
575 matches++; /* "none+1" is delete character */
576 s += UTF8SKIP(s);
79072805 577 }
4757a243 578 }
16ec844d 579 if (grows || hibit) {
9b877dbb
IH
580 sv_setpvn(sv, (char*)dstart, d - dstart);
581 Safefree(dstart);
16ec844d
IH
582 if (grows && hibit)
583 Safefree(start);
9b877dbb
IH
584 }
585 else {
586 *d = '\0';
587 SvCUR_set(sv, d - dstart);
588 }
1aa99e6b 589 SvUTF8_on(sv);
4757a243
LW
590 SvSETMAGIC(sv);
591
592 return matches;
593}
594
595I32
864dbfa3 596Perl_do_trans(pTHX_ SV *sv)
4757a243
LW
597{
598 STRLEN len;
8e84507e 599 I32 hasutf = (PL_op->op_private &
036b4402 600 (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
4757a243 601
2233f375
NC
602 if (SvREADONLY(sv)) {
603 if (SvFAKE(sv))
604 sv_force_normal(sv);
605 if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
606 Perl_croak(aTHX_ PL_no_modify);
607 }
4757a243
LW
608 (void)SvPV(sv, len);
609 if (!len)
610 return 0;
611 if (!SvPOKp(sv))
612 (void)SvPV_force(sv, len);
2de7b02f
GS
613 if (!(PL_op->op_private & OPpTRANS_IDENTICAL))
614 (void)SvPOK_only_UTF8(sv);
4757a243 615
cea2e8a9 616 DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
4757a243 617
036b4402 618 switch (PL_op->op_private & ~hasutf & 63) {
4757a243 619 case 0:
01ec43d0
GS
620 if (hasutf)
621 return do_trans_simple_utf8(sv);
622 else
623 return do_trans_simple(sv);
4757a243
LW
624
625 case OPpTRANS_IDENTICAL:
05d340b8 626 case OPpTRANS_IDENTICAL|OPpTRANS_COMPLEMENT:
01ec43d0
GS
627 if (hasutf)
628 return do_trans_count_utf8(sv);
629 else
630 return do_trans_count(sv);
4757a243
LW
631
632 default:
01ec43d0 633 if (hasutf)
036b4402 634 return do_trans_complex_utf8(sv);
4757a243 635 else
036b4402 636 return do_trans_complex(sv);
79072805 637 }
79072805
LW
638}
639
640void
864dbfa3 641Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
79072805
LW
642{
643 SV **oldmark = mark;
644 register I32 items = sp - mark;
79072805 645 register STRLEN len;
463ee0b2 646 STRLEN delimlen;
463ee0b2 647 STRLEN tmplen;
79072805 648
5ba99574
NC
649 (void) SvPV(del, delimlen); /* stringify and get the delimlen */
650 /* SvCUR assumes it's SvPOK() and woe betide you if it's not. */
516a5887 651
79072805
LW
652 mark++;
653 len = (items > 0 ? (delimlen * (items - 1) ) : 0);
07f14f54 654 (void)SvUPGRADE(sv, SVt_PV);
79072805
LW
655 if (SvLEN(sv) < len + items) { /* current length is way too short */
656 while (items-- > 0) {
1426bbf4 657 if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) {
463ee0b2
LW
658 SvPV(*mark, tmplen);
659 len += tmplen;
79072805
LW
660 }
661 mark++;
662 }
663 SvGROW(sv, len + 1); /* so try to pre-extend */
664
665 mark = oldmark;
db7c17d7 666 items = sp - mark;
79072805
LW
667 ++mark;
668 }
669
8d6d96c1
HS
670 sv_setpv(sv, "");
671 if (PL_tainting && SvMAGICAL(sv))
672 SvTAINTED_off(sv);
673
463ee0b2 674 if (items-- > 0) {
92d29cee
JH
675 if (*mark)
676 sv_catsv(sv, *mark);
463ee0b2
LW
677 mark++;
678 }
8d6d96c1 679
c512ce4f 680 if (delimlen) {
79072805 681 for (; items > 0; items--,mark++) {
c512ce4f 682 sv_catsv(sv,del);
79072805
LW
683 sv_catsv(sv,*mark);
684 }
685 }
686 else {
687 for (; items > 0; items--,mark++)
688 sv_catsv(sv,*mark);
689 }
690 SvSETMAGIC(sv);
691}
692
693void
864dbfa3 694Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
79072805 695{
46fc3d4c
PP
696 STRLEN patlen;
697 char *pat = SvPV(*sarg, patlen);
698 bool do_taint = FALSE;
699
700 sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
79072805 701 SvSETMAGIC(sv);
46fc3d4c
PP
702 if (do_taint)
703 SvTAINTED_on(sv);
79072805
LW
704}
705
33b45480 706/* currently converts input to bytes if possible, but doesn't sweat failure */
81e118e0
JH
707UV
708Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
709{
710 STRLEN srclen, len;
711 unsigned char *s = (unsigned char *) SvPV(sv, srclen);
712 UV retnum = 0;
713
a50d7633 714 if (offset < 0)
81e118e0 715 return retnum;
8e84507e 716 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
a50d7633 717 Perl_croak(aTHX_ "Illegal number of bits in vec");
246fae53 718
dcad2880 719 if (SvUTF8(sv))
33b45480 720 (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
246fae53 721
81e118e0
JH
722 offset *= size; /* turn into bit offset */
723 len = (offset + size + 7) / 8; /* required number of bytes */
724 if (len > srclen) {
725 if (size <= 8)
726 retnum = 0;
727 else {
728 offset >>= 3; /* turn into byte offset */
729 if (size == 16) {
730 if (offset >= srclen)
731 retnum = 0;
732 else
628e1a40 733 retnum = (UV) s[offset] << 8;
81e118e0
JH
734 }
735 else if (size == 32) {
736 if (offset >= srclen)
737 retnum = 0;
738 else if (offset + 1 >= srclen)
739 retnum =
740 ((UV) s[offset ] << 24);
741 else if (offset + 2 >= srclen)
742 retnum =
743 ((UV) s[offset ] << 24) +
744 ((UV) s[offset + 1] << 16);
745 else
746 retnum =
747 ((UV) s[offset ] << 24) +
748 ((UV) s[offset + 1] << 16) +
749 ( s[offset + 2] << 8);
750 }
d7d93a81 751#ifdef UV_IS_QUAD
c5a0f51a 752 else if (size == 64) {
c5a0f51a
JH
753 if (ckWARN(WARN_PORTABLE))
754 Perl_warner(aTHX_ WARN_PORTABLE,
755 "Bit vector size > 32 non-portable");
756 if (offset >= srclen)
757 retnum = 0;
758 else if (offset + 1 >= srclen)
759 retnum =
760 (UV) s[offset ] << 56;
761 else if (offset + 2 >= srclen)
762 retnum =
763 ((UV) s[offset ] << 56) +
764 ((UV) s[offset + 1] << 48);
765 else if (offset + 3 >= srclen)
766 retnum =
767 ((UV) s[offset ] << 56) +
768 ((UV) s[offset + 1] << 48) +
769 ((UV) s[offset + 2] << 40);
770 else if (offset + 4 >= srclen)
771 retnum =
772 ((UV) s[offset ] << 56) +
773 ((UV) s[offset + 1] << 48) +
774 ((UV) s[offset + 2] << 40) +
775 ((UV) s[offset + 3] << 32);
776 else if (offset + 5 >= srclen)
777 retnum =
778 ((UV) s[offset ] << 56) +
779 ((UV) s[offset + 1] << 48) +
780 ((UV) s[offset + 2] << 40) +
781 ((UV) s[offset + 3] << 32) +
782 ( s[offset + 4] << 24);
783 else if (offset + 6 >= srclen)
784 retnum =
785 ((UV) s[offset ] << 56) +
786 ((UV) s[offset + 1] << 48) +
787 ((UV) s[offset + 2] << 40) +
788 ((UV) s[offset + 3] << 32) +
789 ((UV) s[offset + 4] << 24) +
790 ((UV) s[offset + 5] << 16);
791 else
8e84507e 792 retnum =
c5a0f51a
JH
793 ((UV) s[offset ] << 56) +
794 ((UV) s[offset + 1] << 48) +
795 ((UV) s[offset + 2] << 40) +
796 ((UV) s[offset + 3] << 32) +
797 ((UV) s[offset + 4] << 24) +
798 ((UV) s[offset + 5] << 16) +
628e1a40 799 ( s[offset + 6] << 8);
c5a0f51a
JH
800 }
801#endif
81e118e0
JH
802 }
803 }
804 else if (size < 8)
805 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
806 else {
807 offset >>= 3; /* turn into byte offset */
808 if (size == 8)
809 retnum = s[offset];
810 else if (size == 16)
811 retnum =
628e1a40 812 ((UV) s[offset] << 8) +
81e118e0
JH
813 s[offset + 1];
814 else if (size == 32)
815 retnum =
816 ((UV) s[offset ] << 24) +
817 ((UV) s[offset + 1] << 16) +
818 ( s[offset + 2] << 8) +
819 s[offset + 3];
d7d93a81 820#ifdef UV_IS_QUAD
c5a0f51a 821 else if (size == 64) {
c5a0f51a
JH
822 if (ckWARN(WARN_PORTABLE))
823 Perl_warner(aTHX_ WARN_PORTABLE,
824 "Bit vector size > 32 non-portable");
825 retnum =
826 ((UV) s[offset ] << 56) +
827 ((UV) s[offset + 1] << 48) +
828 ((UV) s[offset + 2] << 40) +
829 ((UV) s[offset + 3] << 32) +
830 ((UV) s[offset + 4] << 24) +
831 ((UV) s[offset + 5] << 16) +
628e1a40 832 ( s[offset + 6] << 8) +
c5a0f51a
JH
833 s[offset + 7];
834 }
835#endif
81e118e0
JH
836 }
837
838 return retnum;
839}
840
33b45480
SB
841/* currently converts input to bytes if possible but doesn't sweat failures,
842 * although it does ensure that the string it clobbers is not marked as
843 * utf8-valid any more
844 */
79072805 845void
864dbfa3 846Perl_do_vecset(pTHX_ SV *sv)
79072805
LW
847{
848 SV *targ = LvTARG(sv);
849 register I32 offset;
850 register I32 size;
8990e307 851 register unsigned char *s;
81e118e0 852 register UV lval;
79072805 853 I32 mask;
a0d0e21e
LW
854 STRLEN targlen;
855 STRLEN len;
79072805 856
8990e307
LW
857 if (!targ)
858 return;
a0d0e21e 859 s = (unsigned char*)SvPV_force(targ, targlen);
246fae53 860 if (SvUTF8(targ)) {
33b45480
SB
861 /* This is handled by the SvPOK_only below...
862 if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
863 SvUTF8_off(targ);
864 */
865 (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
246fae53
MG
866 }
867
4ebbc975 868 (void)SvPOK_only(targ);
81e118e0 869 lval = SvUV(sv);
79072805 870 offset = LvTARGOFF(sv);
fe58ced6
MG
871 if (offset < 0)
872 Perl_croak(aTHX_ "Assigning to negative offset in vec");
79072805 873 size = LvTARGLEN(sv);
8e84507e 874 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
a50d7633 875 Perl_croak(aTHX_ "Illegal number of bits in vec");
8e84507e 876
81e118e0
JH
877 offset *= size; /* turn into bit offset */
878 len = (offset + size + 7) / 8; /* required number of bytes */
a0d0e21e
LW
879 if (len > targlen) {
880 s = (unsigned char*)SvGROW(targ, len + 1);
12ae5dfc 881 (void)memzero((char *)(s + targlen), len - targlen + 1);
a0d0e21e
LW
882 SvCUR_set(targ, len);
883 }
8e84507e 884
79072805
LW
885 if (size < 8) {
886 mask = (1 << size) - 1;
887 size = offset & 7;
888 lval &= mask;
81e118e0 889 offset >>= 3; /* turn into byte offset */
79072805
LW
890 s[offset] &= ~(mask << size);
891 s[offset] |= lval << size;
892 }
893 else {
81e118e0 894 offset >>= 3; /* turn into byte offset */
79072805 895 if (size == 8)
c5a0f51a 896 s[offset ] = lval & 0xff;
79072805 897 else if (size == 16) {
c5a0f51a
JH
898 s[offset ] = (lval >> 8) & 0xff;
899 s[offset+1] = lval & 0xff;
79072805
LW
900 }
901 else if (size == 32) {
c5a0f51a
JH
902 s[offset ] = (lval >> 24) & 0xff;
903 s[offset+1] = (lval >> 16) & 0xff;
904 s[offset+2] = (lval >> 8) & 0xff;
905 s[offset+3] = lval & 0xff;
906 }
d7d93a81 907#ifdef UV_IS_QUAD
c5a0f51a 908 else if (size == 64) {
c5a0f51a
JH
909 if (ckWARN(WARN_PORTABLE))
910 Perl_warner(aTHX_ WARN_PORTABLE,
911 "Bit vector size > 32 non-portable");
912 s[offset ] = (lval >> 56) & 0xff;
913 s[offset+1] = (lval >> 48) & 0xff;
914 s[offset+2] = (lval >> 40) & 0xff;
915 s[offset+3] = (lval >> 32) & 0xff;
916 s[offset+4] = (lval >> 24) & 0xff;
917 s[offset+5] = (lval >> 16) & 0xff;
918 s[offset+6] = (lval >> 8) & 0xff;
919 s[offset+7] = lval & 0xff;
79072805 920 }
dc1e3f56 921#endif
79072805 922 }
7bb043c3 923 SvSETMAGIC(targ);
79072805
LW
924}
925
926void
864dbfa3 927Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
79072805 928{
463ee0b2 929 STRLEN len;
a0d0e21e 930 char *s;
8e84507e 931
79072805 932 if (SvTYPE(sv) == SVt_PVAV) {
a0d0e21e
LW
933 register I32 i;
934 I32 max;
935 AV* av = (AV*)sv;
936 max = AvFILL(av);
937 for (i = 0; i <= max; i++) {
938 sv = (SV*)av_fetch(av, i, FALSE);
3280af22 939 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
a0d0e21e
LW
940 do_chop(astr, sv);
941 }
942 return;
79072805 943 }
aa854799 944 else if (SvTYPE(sv) == SVt_PVHV) {
a0d0e21e
LW
945 HV* hv = (HV*)sv;
946 HE* entry;
947 (void)hv_iterinit(hv);
948 /*SUPPRESS 560*/
155aba94 949 while ((entry = hv_iternext(hv)))
a0d0e21e
LW
950 do_chop(astr,hv_iterval(hv,entry));
951 return;
79072805 952 }
aa854799 953 else if (SvREADONLY(sv))
cea2e8a9 954 Perl_croak(aTHX_ PL_no_modify);
a0d0e21e 955 s = SvPV(sv, len);
748a9306 956 if (len && !SvPOK(sv))
a0d0e21e 957 s = SvPV_force(sv, len);
7e2040f0 958 if (DO_UTF8(sv)) {
a0ed51b3
LW
959 if (s && len) {
960 char *send = s + len;
961 char *start = s;
962 s = send - 1;
a0dbb045
JH
963 while (s > start && UTF8_IS_CONTINUATION(*s))
964 s--;
9041c2e3 965 if (utf8_to_uvchr((U8*)s, 0)) {
a0dbb045
JH
966 sv_setpvn(astr, s, send - s);
967 *s = '\0';
968 SvCUR_set(sv, s - start);
969 SvNIOK_off(sv);
970 SvUTF8_on(astr);
971 }
a0ed51b3
LW
972 }
973 else
974 sv_setpvn(astr, "", 0);
975 }
7e2040f0 976 else if (s && len) {
a0d0e21e
LW
977 s += --len;
978 sv_setpvn(astr, s, 1);
979 *s = '\0';
980 SvCUR_set(sv, len);
2c19a612 981 SvUTF8_off(sv);
a0d0e21e 982 SvNIOK_off(sv);
79072805
LW
983 }
984 else
a0d0e21e
LW
985 sv_setpvn(astr, "", 0);
986 SvSETMAGIC(sv);
7e2040f0 987}
a0d0e21e
LW
988
989I32
864dbfa3 990Perl_do_chomp(pTHX_ register SV *sv)
a0d0e21e 991{
c07a80fd 992 register I32 count;
a0d0e21e 993 STRLEN len;
9b33ce3b 994 STRLEN n_a;
a0d0e21e 995 char *s;
c07a80fd 996
3280af22 997 if (RsSNARF(PL_rs))
c07a80fd 998 return 0;
4c5a6083
GS
999 if (RsRECORD(PL_rs))
1000 return 0;
c07a80fd 1001 count = 0;
a0d0e21e
LW
1002 if (SvTYPE(sv) == SVt_PVAV) {
1003 register I32 i;
1004 I32 max;
1005 AV* av = (AV*)sv;
1006 max = AvFILL(av);
1007 for (i = 0; i <= max; i++) {
1008 sv = (SV*)av_fetch(av, i, FALSE);
3280af22 1009 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
a0d0e21e
LW
1010 count += do_chomp(sv);
1011 }
1012 return count;
1013 }
aa854799 1014 else if (SvTYPE(sv) == SVt_PVHV) {
a0d0e21e
LW
1015 HV* hv = (HV*)sv;
1016 HE* entry;
1017 (void)hv_iterinit(hv);
1018 /*SUPPRESS 560*/
155aba94 1019 while ((entry = hv_iternext(hv)))
a0d0e21e
LW
1020 count += do_chomp(hv_iterval(hv,entry));
1021 return count;
1022 }
aa854799 1023 else if (SvREADONLY(sv))
cea2e8a9 1024 Perl_croak(aTHX_ PL_no_modify);
a0d0e21e 1025 s = SvPV(sv, len);
a0d0e21e
LW
1026 if (s && len) {
1027 s += --len;
3280af22 1028 if (RsPARA(PL_rs)) {
a0d0e21e
LW
1029 if (*s != '\n')
1030 goto nope;
1031 ++count;
1032 while (len && s[-1] == '\n') {
1033 --len;
1034 --s;
1035 ++count;
1036 }
1037 }
a0d0e21e 1038 else {
c07a80fd 1039 STRLEN rslen;
3280af22 1040 char *rsptr = SvPV(PL_rs, rslen);
c07a80fd
PP
1041 if (rslen == 1) {
1042 if (*s != *rsptr)
1043 goto nope;
1044 ++count;
1045 }
1046 else {
8c2cee6f 1047 if (len < rslen - 1)
c07a80fd
PP
1048 goto nope;
1049 len -= rslen - 1;
1050 s -= rslen - 1;
36477c24 1051 if (memNE(s, rsptr, rslen))
c07a80fd
PP
1052 goto nope;
1053 count += rslen;
1054 }
a0d0e21e 1055 }
9b33ce3b 1056 s = SvPV_force(sv, n_a);
a0d0e21e 1057 SvCUR_set(sv, len);
9b33ce3b 1058 *SvEND(sv) = '\0';
a0d0e21e 1059 SvNIOK_off(sv);
9b33ce3b 1060 SvSETMAGIC(sv);
a0d0e21e
LW
1061 }
1062 nope:
a0d0e21e 1063 return count;
8e84507e 1064}
79072805
LW
1065
1066void
864dbfa3 1067Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
79072805
LW
1068{
1069#ifdef LIBERAL
1070 register long *dl;
1071 register long *ll;
1072 register long *rl;
1073#endif
1074 register char *dc;
463ee0b2
LW
1075 STRLEN leftlen;
1076 STRLEN rightlen;
7a4c00b4
PP
1077 register char *lc;
1078 register char *rc;
79072805 1079 register I32 len;
a0d0e21e 1080 I32 lensave;
7a4c00b4
PP
1081 char *lsave;
1082 char *rsave;
0c57e439
GS
1083 bool left_utf = DO_UTF8(left);
1084 bool right_utf = DO_UTF8(right);
b7953727 1085 I32 needlen = 0;
0c57e439
GS
1086
1087 if (left_utf && !right_utf)
1088 sv_utf8_upgrade(right);
a1ca4561 1089 else if (!left_utf && right_utf)
0c57e439 1090 sv_utf8_upgrade(left);
79072805 1091
1fbd88dc
CS
1092 if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
1093 sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
7a4c00b4
PP
1094 lsave = lc = SvPV(left, leftlen);
1095 rsave = rc = SvPV(right, rightlen);
93a17b20 1096 len = leftlen < rightlen ? leftlen : rightlen;
a0d0e21e 1097 lensave = len;
c9b3c8d0
JH
1098 if ((left_utf || right_utf) && (sv == left || sv == right)) {
1099 needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
1100 Newz(801, dc, needlen + 1, char);
1101 }
1102 else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
2d8e6c8d
GS
1103 STRLEN n_a;
1104 dc = SvPV_force(sv, n_a);
ff68c719
PP
1105 if (SvCUR(sv) < len) {
1106 dc = SvGROW(sv, len + 1);
1107 (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
1108 }
c9b3c8d0
JH
1109 if (optype != OP_BIT_AND && (left_utf || right_utf))
1110 dc = SvGROW(sv, leftlen + rightlen + 1);
ff68c719
PP
1111 }
1112 else {
c9b3c8d0
JH
1113 needlen = ((optype == OP_BIT_AND)
1114 ? len : (leftlen > rightlen ? leftlen : rightlen));
ff68c719
PP
1115 Newz(801, dc, needlen + 1, char);
1116 (void)sv_usepvn(sv, dc, needlen);
1117 dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
79072805 1118 }
a0d0e21e
LW
1119 SvCUR_set(sv, len);
1120 (void)SvPOK_only(sv);
0c57e439
GS
1121 if (left_utf || right_utf) {
1122 UV duc, luc, ruc;
c9b3c8d0 1123 char *dcsave = dc;
0c57e439
GS
1124 STRLEN lulen = leftlen;
1125 STRLEN rulen = rightlen;
ba210ebe 1126 STRLEN ulen;
0c57e439
GS
1127
1128 switch (optype) {
1129 case OP_BIT_AND:
1130 while (lulen && rulen) {
9041c2e3 1131 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1132 lc += ulen;
1133 lulen -= ulen;
9041c2e3 1134 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1135 rc += ulen;
1136 rulen -= ulen;
1137 duc = luc & ruc;
9041c2e3 1138 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
0c57e439 1139 }
c9b3c8d0
JH
1140 if (sv == left || sv == right)
1141 (void)sv_usepvn(sv, dcsave, needlen);
1142 SvCUR_set(sv, dc - dcsave);
0c57e439
GS
1143 break;
1144 case OP_BIT_XOR:
1145 while (lulen && rulen) {
9041c2e3 1146 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1147 lc += ulen;
1148 lulen -= ulen;
9041c2e3 1149 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1150 rc += ulen;
1151 rulen -= ulen;
1152 duc = luc ^ ruc;
9041c2e3 1153 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
0c57e439
GS
1154 }
1155 goto mop_up_utf;
1156 case OP_BIT_OR:
1157 while (lulen && rulen) {
9041c2e3 1158 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1159 lc += ulen;
1160 lulen -= ulen;
9041c2e3 1161 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1162 rc += ulen;
1163 rulen -= ulen;
1164 duc = luc | ruc;
9041c2e3 1165 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
0c57e439
GS
1166 }
1167 mop_up_utf:
c9b3c8d0
JH
1168 if (sv == left || sv == right)
1169 (void)sv_usepvn(sv, dcsave, needlen);
1170 SvCUR_set(sv, dc - dcsave);
0c57e439
GS
1171 if (rulen)
1172 sv_catpvn(sv, rc, rulen);
1173 else if (lulen)
1174 sv_catpvn(sv, lc, lulen);
1175 else
1176 *SvEND(sv) = '\0';
1177 break;
1178 }
1179 SvUTF8_on(sv);
1180 goto finish;
1181 }
1182 else
79072805
LW
1183#ifdef LIBERAL
1184 if (len >= sizeof(long)*4 &&
1185 !((long)dc % sizeof(long)) &&
1186 !((long)lc % sizeof(long)) &&
1187 !((long)rc % sizeof(long))) /* It's almost always aligned... */
1188 {
1189 I32 remainder = len % (sizeof(long)*4);
1190 len /= (sizeof(long)*4);
1191
1192 dl = (long*)dc;
1193 ll = (long*)lc;
1194 rl = (long*)rc;
1195
1196 switch (optype) {
1197 case OP_BIT_AND:
1198 while (len--) {
1199 *dl++ = *ll++ & *rl++;
1200 *dl++ = *ll++ & *rl++;
1201 *dl++ = *ll++ & *rl++;
1202 *dl++ = *ll++ & *rl++;
1203 }
1204 break;
a0d0e21e 1205 case OP_BIT_XOR:
79072805
LW
1206 while (len--) {
1207 *dl++ = *ll++ ^ *rl++;
1208 *dl++ = *ll++ ^ *rl++;
1209 *dl++ = *ll++ ^ *rl++;
1210 *dl++ = *ll++ ^ *rl++;
1211 }
1212 break;
1213 case OP_BIT_OR:
1214 while (len--) {
1215 *dl++ = *ll++ | *rl++;
1216 *dl++ = *ll++ | *rl++;
1217 *dl++ = *ll++ | *rl++;
1218 *dl++ = *ll++ | *rl++;
1219 }
1220 }
1221
1222 dc = (char*)dl;
1223 lc = (char*)ll;
1224 rc = (char*)rl;
1225
1226 len = remainder;
1227 }
1228#endif
a0d0e21e 1229 {
a0d0e21e
LW
1230 switch (optype) {
1231 case OP_BIT_AND:
1232 while (len--)
1233 *dc++ = *lc++ & *rc++;
1234 break;
1235 case OP_BIT_XOR:
1236 while (len--)
1237 *dc++ = *lc++ ^ *rc++;
1238 goto mop_up;
1239 case OP_BIT_OR:
1240 while (len--)
1241 *dc++ = *lc++ | *rc++;
1242 mop_up:
1243 len = lensave;
1244 if (rightlen > len)
1245 sv_catpvn(sv, rsave + len, rightlen - len);
1246 else if (leftlen > len)
1247 sv_catpvn(sv, lsave + len, leftlen - len);
4633a7c4
LW
1248 else
1249 *SvEND(sv) = '\0';
a0d0e21e
LW
1250 break;
1251 }
79072805 1252 }
0c57e439 1253finish:
fb73857a 1254 SvTAINT(sv);
79072805 1255}
463ee0b2
LW
1256
1257OP *
cea2e8a9 1258Perl_do_kv(pTHX)
463ee0b2 1259{
39644a26 1260 dSP;
463ee0b2 1261 HV *hv = (HV*)POPs;
800e9ae0 1262 HV *keys;
463ee0b2 1263 register HE *entry;
463ee0b2 1264 SV *tmpstr;
54310121 1265 I32 gimme = GIMME_V;
533c011a
NIS
1266 I32 dokeys = (PL_op->op_type == OP_KEYS);
1267 I32 dovalues = (PL_op->op_type == OP_VALUES);
c750a3ec 1268 I32 realhv = (SvTYPE(hv) == SVt_PVHV);
8e84507e
NIS
1269
1270 if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
a0d0e21e 1271 dokeys = dovalues = TRUE;
463ee0b2 1272
85581909 1273 if (!hv) {
78f9721b 1274 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
85581909
SB
1275 dTARGET; /* make sure to clear its target here */
1276 if (SvTYPE(TARG) == SVt_PVLV)
1277 LvTARG(TARG) = Nullsv;
1278 PUSHs(TARG);
1279 }
463ee0b2 1280 RETURN;
85581909 1281 }
748a9306 1282
800e9ae0
JP
1283 keys = realhv ? hv : avhv_keys((AV*)hv);
1284 (void)hv_iterinit(keys); /* always reset iterator regardless */
748a9306 1285
54310121 1286 if (gimme == G_VOID)
aa689395
PP
1287 RETURN;
1288
54310121 1289 if (gimme == G_SCALAR) {
6ee623d5 1290 IV i;
463ee0b2
LW
1291 dTARGET;
1292
78f9721b 1293 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
85581909
SB
1294 if (SvTYPE(TARG) < SVt_PVLV) {
1295 sv_upgrade(TARG, SVt_PVLV);
14befaf4 1296 sv_magic(TARG, Nullsv, PERL_MAGIC_nkeys, Nullch, 0);
85581909
SB
1297 }
1298 LvTYPE(TARG) = 'k';
800e9ae0 1299 if (LvTARG(TARG) != (SV*)keys) {
6ff81951
GS
1300 if (LvTARG(TARG))
1301 SvREFCNT_dec(LvTARG(TARG));
800e9ae0 1302 LvTARG(TARG) = SvREFCNT_inc(keys);
6ff81951 1303 }
85581909
SB
1304 PUSHs(TARG);
1305 RETURN;
1306 }
1307
14befaf4 1308 if (! SvTIED_mg((SV*)keys, PERL_MAGIC_tied))
800e9ae0 1309 i = HvKEYS(keys);
463ee0b2
LW
1310 else {
1311 i = 0;
463ee0b2 1312 /*SUPPRESS 560*/
800e9ae0 1313 while (hv_iternext(keys)) i++;
463ee0b2
LW
1314 }
1315 PUSHi( i );
1316 RETURN;
1317 }
1318
8ed4b672 1319 EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues));
463ee0b2 1320
463ee0b2 1321 PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */
155aba94 1322 while ((entry = hv_iternext(keys))) {
463ee0b2 1323 SPAGAIN;
6bfc225d 1324 if (dokeys)
8c2cee6f 1325 XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
463ee0b2 1326 if (dovalues) {
463ee0b2 1327 PUTBACK;
b6429b1b
GS
1328 tmpstr = realhv ?
1329 hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
cea2e8a9 1330 DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
46fc3d4c 1331 (unsigned long)HeHASH(entry),
800e9ae0
JP
1332 HvMAX(keys)+1,
1333 (unsigned long)(HeHASH(entry) & HvMAX(keys))));
463ee0b2 1334 SPAGAIN;
46fc3d4c 1335 XPUSHs(tmpstr);
463ee0b2
LW
1336 }
1337 PUTBACK;
1338 }
1339 return NORMAL;
1340}
4e35701f 1341