This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
Remove incorrect guards around inclusion of <signal.h>
[perl5.git] / doop.c
CommitLineData
a0d0e21e 1/* doop.c
79072805 2 *
4bb101f2
JH
3 * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
4 * 2000, 2001, 2002, by Larry Wall and others
79072805
LW
5 *
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
8 *
a0d0e21e
LW
9 */
10
11/*
12 * "'So that was the job I felt I had to do when I started,' thought Sam."
79072805
LW
13 */
14
15#include "EXTERN.h"
864dbfa3 16#define PERL_IN_DOOP_C
79072805
LW
17#include "perl.h"
18
64ca3a65 19#ifndef PERL_MICRO
79072805
LW
20#include <signal.h>
21#endif
22
942e002e 23STATIC I32
b250498f 24S_do_trans_simple(pTHX_ SV *sv)
79072805 25{
4757a243 26 U8 *s;
b250498f 27 U8 *d;
4757a243 28 U8 *send;
b250498f 29 U8 *dstart;
4757a243 30 I32 matches = 0;
9b877dbb 31 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
463ee0b2 32 STRLEN len;
4757a243
LW
33 short *tbl;
34 I32 ch;
79072805 35
4757a243
LW
36 tbl = (short*)cPVOP->op_pv;
37 if (!tbl)
7d85a32c 38 Perl_croak(aTHX_ "panic: do_trans_simple line %d",__LINE__);
a0ed51b3 39
4757a243
LW
40 s = (U8*)SvPV(sv, len);
41 send = s + len;
42
1e54db1a 43 /* First, take care of non-UTF-8 input strings, because they're easy */
1aa99e6b 44 if (!SvUTF8(sv)) {
01ec43d0 45 while (s < send) {
036b4402 46 if ((ch = tbl[*s]) >= 0) {
01ec43d0 47 matches++;
eb160463 48 *s++ = (U8)ch;
01ec43d0
GS
49 }
50 else
51 s++;
52 }
53 SvSETMAGIC(sv);
b250498f
GS
54 return matches;
55 }
4757a243 56
b250498f 57 /* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
9b877dbb
IH
58 if (grows)
59 New(0, d, len*2+1, U8);
60 else
61 d = s;
b250498f
GS
62 dstart = d;
63 while (s < send) {
ba210ebe 64 STRLEN ulen;
9b877dbb 65 UV c;
b250498f 66
b250498f 67 /* Need to check this, otherwise 128..255 won't match */
9041c2e3 68 c = utf8n_to_uvchr(s, send - s, &ulen, 0);
9b877dbb 69 if (c < 0x100 && (ch = tbl[c]) >= 0) {
b250498f 70 matches++;
9041c2e3 71 d = uvchr_to_utf8(d, ch);
b250498f 72 s += ulen;
01ec43d0
GS
73 }
74 else { /* No match -> copy */
0376ff32 75 Move(s, d, ulen, U8);
9b877dbb
IH
76 d += ulen;
77 s += ulen;
b250498f
GS
78 }
79 }
9b877dbb
IH
80 if (grows) {
81 sv_setpvn(sv, (char*)dstart, d - dstart);
82 Safefree(dstart);
83 }
84 else {
85 *d = '\0';
86 SvCUR_set(sv, d - dstart);
87 }
b250498f 88 SvUTF8_on(sv);
b250498f 89 SvSETMAGIC(sv);
4757a243
LW
90 return matches;
91}
92
942e002e 93STATIC I32
21304a3b 94S_do_trans_count(pTHX_ SV *sv)
4757a243 95{
4757a243
LW
96 U8 *s;
97 U8 *send;
98 I32 matches = 0;
99 STRLEN len;
100 short *tbl;
8973db79 101 I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
4757a243
LW
102
103 tbl = (short*)cPVOP->op_pv;
104 if (!tbl)
7d85a32c 105 Perl_croak(aTHX_ "panic: do_trans_count line %d",__LINE__);
4757a243
LW
106
107 s = (U8*)SvPV(sv, len);
108 send = s + len;
109
1aa99e6b
IH
110 if (!SvUTF8(sv))
111 while (s < send) {
112 if (tbl[*s++] >= 0)
036b4402 113 matches++;
1aa99e6b
IH
114 }
115 else
116 while (s < send) {
117 UV c;
118 STRLEN ulen;
9041c2e3 119 c = utf8n_to_uvchr(s, send - s, &ulen, 0);
8973db79
JH
120 if (c < 0x100) {
121 if (tbl[c] >= 0)
122 matches++;
123 } else if (complement)
1aa99e6b
IH
124 matches++;
125 s += ulen;
126 }
4757a243
LW
127
128 return matches;
129}
130
942e002e 131STATIC I32
21304a3b 132S_do_trans_complex(pTHX_ SV *sv)
4757a243 133{
4757a243
LW
134 U8 *s;
135 U8 *send;
136 U8 *d;
5e44153e 137 U8 *dstart;
1aa99e6b 138 I32 isutf8;
4757a243 139 I32 matches = 0;
9b877dbb 140 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
8973db79
JH
141 I32 complement = PL_op->op_private & OPpTRANS_COMPLEMENT;
142 I32 del = PL_op->op_private & OPpTRANS_DELETE;
b7953727 143 STRLEN len, rlen = 0;
4757a243
LW
144 short *tbl;
145 I32 ch;
146
147 tbl = (short*)cPVOP->op_pv;
148 if (!tbl)
7d85a32c 149 Perl_croak(aTHX_ "panic: do_trans_complex line %d",__LINE__);
4757a243
LW
150
151 s = (U8*)SvPV(sv, len);
1aa99e6b 152 isutf8 = SvUTF8(sv);
4757a243
LW
153 send = s + len;
154
1aa99e6b
IH
155 if (!isutf8) {
156 dstart = d = s;
157 if (PL_op->op_private & OPpTRANS_SQUASH) {
158 U8* p = send;
159 while (s < send) {
160 if ((ch = tbl[*s]) >= 0) {
eb160463 161 *d = (U8)ch;
036b4402 162 matches++;
1aa99e6b
IH
163 if (p != d - 1 || *p != *d)
164 p = d++;
165 }
166 else if (ch == -1) /* -1 is unmapped character */
167 *d++ = *s;
168 else if (ch == -2) /* -2 is delete character */
169 matches++;
170 s++;
171 }
a0ed51b3 172 }
1aa99e6b
IH
173 else {
174 while (s < send) {
175 if ((ch = tbl[*s]) >= 0) {
176 matches++;
eb160463 177 *d++ = (U8)ch;
1aa99e6b
IH
178 }
179 else if (ch == -1) /* -1 is unmapped character */
180 *d++ = *s;
181 else if (ch == -2) /* -2 is delete character */
182 matches++;
183 s++;
184 }
185 }
76ef7183 186 *d = '\0';
1aa99e6b 187 SvCUR_set(sv, d - dstart);
4757a243 188 }
1aa99e6b 189 else { /* isutf8 */
9b877dbb
IH
190 if (grows)
191 New(0, d, len*2+1, U8);
192 else
193 d = s;
1aa99e6b 194 dstart = d;
8973db79
JH
195 if (complement && !del)
196 rlen = tbl[0x100];
1aa99e6b 197
4aecb5b5
JH
198#ifdef MACOS_TRADITIONAL
199#define comp CoMP /* "comp" is a keyword in some compilers ... */
200#endif
201
1aa99e6b 202 if (PL_op->op_private & OPpTRANS_SQUASH) {
1aa99e6b
IH
203 UV pch = 0xfeedface;
204 while (s < send) {
205 STRLEN len;
9041c2e3 206 UV comp = utf8_to_uvchr(s, &len);
1aa99e6b 207
8973db79
JH
208 if (comp > 0xff) {
209 if (!complement) {
210 Copy(s, d, len, U8);
211 d += len;
212 }
213 else {
214 matches++;
215 if (!del) {
05d340b8
JH
216 ch = (rlen == 0) ? comp :
217 (comp - 0x100 < rlen) ?
8973db79 218 tbl[comp+1] : tbl[0x100+rlen];
eb160463 219 if ((UV)ch != pch) {
9041c2e3 220 d = uvchr_to_utf8(d, ch);
eb160463 221 pch = (UV)ch;
8973db79
JH
222 }
223 s += len;
224 continue;
225 }
226 }
9b877dbb 227 }
1aa99e6b
IH
228 else if ((ch = tbl[comp]) >= 0) {
229 matches++;
eb160463 230 if ((UV)ch != pch) {
9041c2e3 231 d = uvchr_to_utf8(d, ch);
eb160463 232 pch = (UV)ch;
1aa99e6b
IH
233 }
234 s += len;
235 continue;
236 }
9b877dbb
IH
237 else if (ch == -1) { /* -1 is unmapped character */
238 Copy(s, d, len, U8);
239 d += len;
240 }
1aa99e6b
IH
241 else if (ch == -2) /* -2 is delete character */
242 matches++;
243 s += len;
244 pch = 0xfeedface;
245 }
5d06d08e 246 }
1aa99e6b
IH
247 else {
248 while (s < send) {
249 STRLEN len;
9041c2e3 250 UV comp = utf8_to_uvchr(s, &len);
8973db79
JH
251 if (comp > 0xff) {
252 if (!complement) {
0376ff32 253 Move(s, d, len, U8);
8973db79
JH
254 d += len;
255 }
256 else {
257 matches++;
258 if (!del) {
9041c2e3
NIS
259 if (comp - 0x100 < rlen)
260 d = uvchr_to_utf8(d, tbl[comp+1]);
8973db79 261 else
9041c2e3 262 d = uvchr_to_utf8(d, tbl[0x100+rlen]);
8973db79
JH
263 }
264 }
9b877dbb 265 }
1aa99e6b 266 else if ((ch = tbl[comp]) >= 0) {
9041c2e3 267 d = uvchr_to_utf8(d, ch);
1aa99e6b
IH
268 matches++;
269 }
270 else if (ch == -1) { /* -1 is unmapped character */
9b877dbb
IH
271 Copy(s, d, len, U8);
272 d += len;
1aa99e6b
IH
273 }
274 else if (ch == -2) /* -2 is delete character */
275 matches++;
276 s += len;
277 }
278 }
9b877dbb
IH
279 if (grows) {
280 sv_setpvn(sv, (char*)dstart, d - dstart);
281 Safefree(dstart);
282 }
283 else {
284 *d = '\0';
285 SvCUR_set(sv, d - dstart);
286 }
1aa99e6b 287 SvUTF8_on(sv);
4757a243 288 }
5e44153e 289 SvSETMAGIC(sv);
4757a243
LW
290 return matches;
291}
292
942e002e 293STATIC I32
21304a3b 294S_do_trans_simple_utf8(pTHX_ SV *sv)
4757a243 295{
4757a243
LW
296 U8 *s;
297 U8 *send;
298 U8 *d;
036b4402 299 U8 *start;
1aa99e6b 300 U8 *dstart, *dend;
4757a243 301 I32 matches = 0;
9b877dbb 302 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
4757a243
LW
303 STRLEN len;
304
305 SV* rv = (SV*)cSVOP->op_sv;
306 HV* hv = (HV*)SvRV(rv);
307 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
308 UV none = svp ? SvUV(*svp) : 0x7fffffff;
309 UV extra = none + 1;
b7953727 310 UV final = 0;
4757a243 311 UV uv;
1aa99e6b
IH
312 I32 isutf8;
313 U8 hibit = 0;
4757a243
LW
314
315 s = (U8*)SvPV(sv, len);
1aa99e6b
IH
316 isutf8 = SvUTF8(sv);
317 if (!isutf8) {
318 U8 *t = s, *e = s + len;
c4d5f83a
NIS
319 while (t < e) {
320 U8 ch = *t++;
321 if ((hibit = !NATIVE_IS_INVARIANT(ch)))
1aa99e6b 322 break;
c4d5f83a 323 }
1aa99e6b
IH
324 if (hibit)
325 s = bytes_to_utf8(s, &len);
326 }
4757a243 327 send = s + len;
036b4402 328 start = s;
4757a243
LW
329
330 svp = hv_fetch(hv, "FINAL", 5, FALSE);
331 if (svp)
332 final = SvUV(*svp);
333
9b877dbb
IH
334 if (grows) {
335 /* d needs to be bigger than s, in case e.g. upgrading is required */
336 New(0, d, len*3+UTF8_MAXLEN, U8);
337 dend = d + len * 3;
338 dstart = d;
339 }
340 else {
341 dstart = d = s;
342 dend = d + len;
343 }
1aa99e6b 344
4757a243 345 while (s < send) {
3568d838 346 if ((uv = swash_fetch(rv, s, TRUE)) < none) {
4757a243
LW
347 s += UTF8SKIP(s);
348 matches++;
7d85a32c 349 d = uvuni_to_utf8(d, uv);
4757a243
LW
350 }
351 else if (uv == none) {
1aa99e6b 352 int i = UTF8SKIP(s);
0376ff32 353 Move(s, d, i, U8);
9b877dbb
IH
354 d += i;
355 s += i;
4757a243
LW
356 }
357 else if (uv == extra) {
1aa99e6b 358 int i = UTF8SKIP(s);
036b4402 359 s += i;
4757a243 360 matches++;
7d85a32c 361 d = uvuni_to_utf8(d, final);
4757a243
LW
362 }
363 else
364 s += UTF8SKIP(s);
1aa99e6b 365
9b877dbb 366 if (d > dend) {
1aa99e6b
IH
367 STRLEN clen = d - dstart;
368 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
9b877dbb 369 if (!grows)
7d85a32c 370 Perl_croak(aTHX_ "panic: do_trans_simple_utf8 line %d",__LINE__);
1aa99e6b
IH
371 Renew(dstart, nlen+UTF8_MAXLEN, U8);
372 d = dstart + clen;
373 dend = dstart + nlen;
374 }
4757a243 375 }
16ec844d 376 if (grows || hibit) {
9b877dbb
IH
377 sv_setpvn(sv, (char*)dstart, d - dstart);
378 Safefree(dstart);
16ec844d
IH
379 if (grows && hibit)
380 Safefree(start);
9b877dbb
IH
381 }
382 else {
383 *d = '\0';
384 SvCUR_set(sv, d - dstart);
385 }
4757a243 386 SvSETMAGIC(sv);
1aa99e6b 387 SvUTF8_on(sv);
4757a243
LW
388
389 return matches;
390}
391
942e002e 392STATIC I32
21304a3b 393S_do_trans_count_utf8(pTHX_ SV *sv)
4757a243 394{
4757a243 395 U8 *s;
b7953727 396 U8 *start = 0, *send;
4757a243
LW
397 I32 matches = 0;
398 STRLEN len;
399
400 SV* rv = (SV*)cSVOP->op_sv;
401 HV* hv = (HV*)SvRV(rv);
402 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
403 UV none = svp ? SvUV(*svp) : 0x7fffffff;
45005bfb 404 UV extra = none + 1;
4757a243 405 UV uv;
1aa99e6b 406 U8 hibit = 0;
4757a243
LW
407
408 s = (U8*)SvPV(sv, len);
1aa99e6b
IH
409 if (!SvUTF8(sv)) {
410 U8 *t = s, *e = s + len;
c4d5f83a
NIS
411 while (t < e) {
412 U8 ch = *t++;
413 if ((hibit = !NATIVE_IS_INVARIANT(ch)))
1aa99e6b 414 break;
c4d5f83a 415 }
1aa99e6b
IH
416 if (hibit)
417 start = s = bytes_to_utf8(s, &len);
418 }
4757a243
LW
419 send = s + len;
420
421 while (s < send) {
3568d838 422 if ((uv = swash_fetch(rv, s, TRUE)) < none || uv == extra)
4757a243 423 matches++;
834a4ddd 424 s += UTF8SKIP(s);
4757a243 425 }
1aa99e6b
IH
426 if (hibit)
427 Safefree(start);
4757a243
LW
428
429 return matches;
430}
431
942e002e 432STATIC I32
21304a3b 433S_do_trans_complex_utf8(pTHX_ SV *sv)
4757a243 434{
4757a243 435 U8 *s;
1aa99e6b 436 U8 *start, *send;
4757a243
LW
437 U8 *d;
438 I32 matches = 0;
439 I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
4757a243 440 I32 del = PL_op->op_private & OPpTRANS_DELETE;
9b877dbb 441 I32 grows = PL_op->op_private & OPpTRANS_GROWS;
4757a243
LW
442 SV* rv = (SV*)cSVOP->op_sv;
443 HV* hv = (HV*)SvRV(rv);
444 SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
445 UV none = svp ? SvUV(*svp) : 0x7fffffff;
446 UV extra = none + 1;
b7953727 447 UV final = 0;
45005bfb 448 bool havefinal = FALSE;
4757a243
LW
449 UV uv;
450 STRLEN len;
1aa99e6b
IH
451 U8 *dstart, *dend;
452 I32 isutf8;
453 U8 hibit = 0;
4757a243
LW
454
455 s = (U8*)SvPV(sv, len);
1aa99e6b
IH
456 isutf8 = SvUTF8(sv);
457 if (!isutf8) {
458 U8 *t = s, *e = s + len;
c4d5f83a
NIS
459 while (t < e) {
460 U8 ch = *t++;
461 if ((hibit = !NATIVE_IS_INVARIANT(ch)))
1aa99e6b 462 break;
c4d5f83a 463 }
1aa99e6b
IH
464 if (hibit)
465 s = bytes_to_utf8(s, &len);
466 }
4757a243 467 send = s + len;
1aa99e6b 468 start = s;
4757a243
LW
469
470 svp = hv_fetch(hv, "FINAL", 5, FALSE);
45005bfb 471 if (svp) {
4757a243 472 final = SvUV(*svp);
45005bfb
JH
473 havefinal = TRUE;
474 }
4757a243 475
9b877dbb
IH
476 if (grows) {
477 /* d needs to be bigger than s, in case e.g. upgrading is required */
478 New(0, d, len*3+UTF8_MAXLEN, U8);
479 dend = d + len * 3;
480 dstart = d;
481 }
482 else {
483 dstart = d = s;
484 dend = d + len;
485 }
4757a243
LW
486
487 if (squash) {
488 UV puv = 0xfeedface;
489 while (s < send) {
3568d838 490 uv = swash_fetch(rv, s, TRUE);
9041c2e3 491
9b877dbb
IH
492 if (d > dend) {
493 STRLEN clen = d - dstart;
494 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
495 if (!grows)
7d85a32c 496 Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
1aa99e6b
IH
497 Renew(dstart, nlen+UTF8_MAXLEN, U8);
498 d = dstart + clen;
499 dend = dstart + nlen;
4757a243
LW
500 }
501 if (uv < none) {
502 matches++;
94472101 503 s += UTF8SKIP(s);
4757a243 504 if (uv != puv) {
7d85a32c 505 d = uvuni_to_utf8(d, uv);
4757a243
LW
506 puv = uv;
507 }
4757a243
LW
508 continue;
509 }
510 else if (uv == none) { /* "none" is unmapped character */
1aa99e6b 511 int i = UTF8SKIP(s);
0376ff32 512 Move(s, d, i, U8);
9b877dbb
IH
513 d += i;
514 s += i;
4757a243
LW
515 puv = 0xfeedface;
516 continue;
a0ed51b3 517 }
4757a243
LW
518 else if (uv == extra && !del) {
519 matches++;
45005bfb
JH
520 if (havefinal) {
521 s += UTF8SKIP(s);
522 if (puv != final) {
7d85a32c 523 d = uvuni_to_utf8(d, final);
45005bfb
JH
524 puv = final;
525 }
526 }
527 else {
528 STRLEN len;
7d85a32c 529 uv = utf8_to_uvuni(s, &len);
45005bfb 530 if (uv != puv) {
0376ff32 531 Move(s, d, len, U8);
45005bfb
JH
532 d += len;
533 puv = uv;
534 }
535 s += len;
4757a243 536 }
4757a243
LW
537 continue;
538 }
01ec43d0
GS
539 matches++; /* "none+1" is delete character */
540 s += UTF8SKIP(s);
a0ed51b3 541 }
79072805
LW
542 }
543 else {
4757a243 544 while (s < send) {
3568d838 545 uv = swash_fetch(rv, s, TRUE);
9b877dbb
IH
546 if (d > dend) {
547 STRLEN clen = d - dstart;
548 STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
549 if (!grows)
7d85a32c 550 Perl_croak(aTHX_ "panic: do_trans_complex_utf8 line %d",__LINE__);
1aa99e6b
IH
551 Renew(dstart, nlen+UTF8_MAXLEN, U8);
552 d = dstart + clen;
553 dend = dstart + nlen;
a0ed51b3 554 }
4757a243
LW
555 if (uv < none) {
556 matches++;
01ec43d0 557 s += UTF8SKIP(s);
7d85a32c 558 d = uvuni_to_utf8(d, uv);
4757a243 559 continue;
a0ed51b3 560 }
4757a243 561 else if (uv == none) { /* "none" is unmapped character */
1aa99e6b 562 int i = UTF8SKIP(s);
0376ff32 563 Move(s, d, i, U8);
9b877dbb
IH
564 d += i;
565 s += i;
4757a243 566 continue;
79072805 567 }
4757a243
LW
568 else if (uv == extra && !del) {
569 matches++;
01ec43d0 570 s += UTF8SKIP(s);
7d85a32c 571 d = uvuni_to_utf8(d, final);
4757a243
LW
572 continue;
573 }
01ec43d0
GS
574 matches++; /* "none+1" is delete character */
575 s += UTF8SKIP(s);
79072805 576 }
4757a243 577 }
16ec844d 578 if (grows || hibit) {
9b877dbb
IH
579 sv_setpvn(sv, (char*)dstart, d - dstart);
580 Safefree(dstart);
16ec844d
IH
581 if (grows && hibit)
582 Safefree(start);
9b877dbb
IH
583 }
584 else {
585 *d = '\0';
586 SvCUR_set(sv, d - dstart);
587 }
1aa99e6b 588 SvUTF8_on(sv);
4757a243
LW
589 SvSETMAGIC(sv);
590
591 return matches;
592}
593
594I32
864dbfa3 595Perl_do_trans(pTHX_ SV *sv)
4757a243
LW
596{
597 STRLEN len;
8e84507e 598 I32 hasutf = (PL_op->op_private &
036b4402 599 (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
4757a243 600
2233f375 601 if (SvREADONLY(sv)) {
765f542d
NC
602 if (SvIsCOW(sv))
603 sv_force_normal_flags(sv, 0);
2233f375
NC
604 if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
605 Perl_croak(aTHX_ PL_no_modify);
606 }
4757a243
LW
607 (void)SvPV(sv, len);
608 if (!len)
609 return 0;
d59e14db
RGS
610 if (!(PL_op->op_private & OPpTRANS_IDENTICAL)) {
611 if (!SvPOKp(sv))
612 (void)SvPV_force(sv, len);
2de7b02f 613 (void)SvPOK_only_UTF8(sv);
d59e14db 614 }
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
5b781b5b 700 SvUTF8_off(sv);
2cf2cfc6
A
701 if (DO_UTF8(*sarg))
702 SvUTF8_on(sv);
46fc3d4c 703 sv_vsetpvfn(sv, pat, patlen, Null(va_list*), sarg + 1, len - 1, &do_taint);
79072805 704 SvSETMAGIC(sv);
46fc3d4c
PP
705 if (do_taint)
706 SvTAINTED_on(sv);
79072805
LW
707}
708
33b45480 709/* currently converts input to bytes if possible, but doesn't sweat failure */
81e118e0
JH
710UV
711Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
712{
713 STRLEN srclen, len;
714 unsigned char *s = (unsigned char *) SvPV(sv, srclen);
715 UV retnum = 0;
716
a50d7633 717 if (offset < 0)
81e118e0 718 return retnum;
8e84507e 719 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
a50d7633 720 Perl_croak(aTHX_ "Illegal number of bits in vec");
246fae53 721
dcad2880 722 if (SvUTF8(sv))
33b45480 723 (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
246fae53 724
81e118e0
JH
725 offset *= size; /* turn into bit offset */
726 len = (offset + size + 7) / 8; /* required number of bytes */
727 if (len > srclen) {
728 if (size <= 8)
729 retnum = 0;
730 else {
731 offset >>= 3; /* turn into byte offset */
732 if (size == 16) {
eb160463 733 if ((STRLEN)offset >= srclen)
81e118e0
JH
734 retnum = 0;
735 else
628e1a40 736 retnum = (UV) s[offset] << 8;
81e118e0
JH
737 }
738 else if (size == 32) {
eb160463 739 if ((STRLEN)offset >= srclen)
81e118e0 740 retnum = 0;
eb160463 741 else if ((STRLEN)(offset + 1) >= srclen)
81e118e0
JH
742 retnum =
743 ((UV) s[offset ] << 24);
eb160463 744 else if ((STRLEN)(offset + 2) >= srclen)
81e118e0
JH
745 retnum =
746 ((UV) s[offset ] << 24) +
747 ((UV) s[offset + 1] << 16);
748 else
749 retnum =
750 ((UV) s[offset ] << 24) +
751 ((UV) s[offset + 1] << 16) +
752 ( s[offset + 2] << 8);
753 }
d7d93a81 754#ifdef UV_IS_QUAD
c5a0f51a 755 else if (size == 64) {
c5a0f51a 756 if (ckWARN(WARN_PORTABLE))
9014280d 757 Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
c5a0f51a
JH
758 "Bit vector size > 32 non-portable");
759 if (offset >= srclen)
760 retnum = 0;
761 else if (offset + 1 >= srclen)
762 retnum =
763 (UV) s[offset ] << 56;
764 else if (offset + 2 >= srclen)
765 retnum =
766 ((UV) s[offset ] << 56) +
767 ((UV) s[offset + 1] << 48);
768 else if (offset + 3 >= srclen)
769 retnum =
770 ((UV) s[offset ] << 56) +
771 ((UV) s[offset + 1] << 48) +
772 ((UV) s[offset + 2] << 40);
773 else if (offset + 4 >= srclen)
774 retnum =
775 ((UV) s[offset ] << 56) +
776 ((UV) s[offset + 1] << 48) +
777 ((UV) s[offset + 2] << 40) +
778 ((UV) s[offset + 3] << 32);
779 else if (offset + 5 >= srclen)
780 retnum =
781 ((UV) s[offset ] << 56) +
782 ((UV) s[offset + 1] << 48) +
783 ((UV) s[offset + 2] << 40) +
784 ((UV) s[offset + 3] << 32) +
785 ( s[offset + 4] << 24);
786 else if (offset + 6 >= srclen)
787 retnum =
788 ((UV) s[offset ] << 56) +
789 ((UV) s[offset + 1] << 48) +
790 ((UV) s[offset + 2] << 40) +
791 ((UV) s[offset + 3] << 32) +
792 ((UV) s[offset + 4] << 24) +
793 ((UV) s[offset + 5] << 16);
794 else
8e84507e 795 retnum =
c5a0f51a
JH
796 ((UV) s[offset ] << 56) +
797 ((UV) s[offset + 1] << 48) +
798 ((UV) s[offset + 2] << 40) +
799 ((UV) s[offset + 3] << 32) +
800 ((UV) s[offset + 4] << 24) +
801 ((UV) s[offset + 5] << 16) +
628e1a40 802 ( s[offset + 6] << 8);
c5a0f51a
JH
803 }
804#endif
81e118e0
JH
805 }
806 }
807 else if (size < 8)
808 retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
809 else {
810 offset >>= 3; /* turn into byte offset */
811 if (size == 8)
812 retnum = s[offset];
813 else if (size == 16)
814 retnum =
628e1a40 815 ((UV) s[offset] << 8) +
81e118e0
JH
816 s[offset + 1];
817 else if (size == 32)
818 retnum =
819 ((UV) s[offset ] << 24) +
820 ((UV) s[offset + 1] << 16) +
821 ( s[offset + 2] << 8) +
822 s[offset + 3];
d7d93a81 823#ifdef UV_IS_QUAD
c5a0f51a 824 else if (size == 64) {
c5a0f51a 825 if (ckWARN(WARN_PORTABLE))
9014280d 826 Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
c5a0f51a
JH
827 "Bit vector size > 32 non-portable");
828 retnum =
829 ((UV) s[offset ] << 56) +
830 ((UV) s[offset + 1] << 48) +
831 ((UV) s[offset + 2] << 40) +
832 ((UV) s[offset + 3] << 32) +
833 ((UV) s[offset + 4] << 24) +
834 ((UV) s[offset + 5] << 16) +
628e1a40 835 ( s[offset + 6] << 8) +
c5a0f51a
JH
836 s[offset + 7];
837 }
838#endif
81e118e0
JH
839 }
840
841 return retnum;
842}
843
33b45480
SB
844/* currently converts input to bytes if possible but doesn't sweat failures,
845 * although it does ensure that the string it clobbers is not marked as
846 * utf8-valid any more
847 */
79072805 848void
864dbfa3 849Perl_do_vecset(pTHX_ SV *sv)
79072805
LW
850{
851 SV *targ = LvTARG(sv);
852 register I32 offset;
853 register I32 size;
8990e307 854 register unsigned char *s;
81e118e0 855 register UV lval;
79072805 856 I32 mask;
a0d0e21e
LW
857 STRLEN targlen;
858 STRLEN len;
79072805 859
8990e307
LW
860 if (!targ)
861 return;
a0d0e21e 862 s = (unsigned char*)SvPV_force(targ, targlen);
246fae53 863 if (SvUTF8(targ)) {
33b45480
SB
864 /* This is handled by the SvPOK_only below...
865 if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
866 SvUTF8_off(targ);
867 */
868 (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
246fae53
MG
869 }
870
4ebbc975 871 (void)SvPOK_only(targ);
81e118e0 872 lval = SvUV(sv);
79072805 873 offset = LvTARGOFF(sv);
fe58ced6 874 if (offset < 0)
ed9aa3b7 875 Perl_croak(aTHX_ "Negative offset to vec in lvalue context");
79072805 876 size = LvTARGLEN(sv);
8e84507e 877 if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
a50d7633 878 Perl_croak(aTHX_ "Illegal number of bits in vec");
8e84507e 879
81e118e0
JH
880 offset *= size; /* turn into bit offset */
881 len = (offset + size + 7) / 8; /* required number of bytes */
a0d0e21e
LW
882 if (len > targlen) {
883 s = (unsigned char*)SvGROW(targ, len + 1);
12ae5dfc 884 (void)memzero((char *)(s + targlen), len - targlen + 1);
a0d0e21e
LW
885 SvCUR_set(targ, len);
886 }
8e84507e 887
79072805
LW
888 if (size < 8) {
889 mask = (1 << size) - 1;
890 size = offset & 7;
891 lval &= mask;
81e118e0 892 offset >>= 3; /* turn into byte offset */
79072805
LW
893 s[offset] &= ~(mask << size);
894 s[offset] |= lval << size;
895 }
896 else {
81e118e0 897 offset >>= 3; /* turn into byte offset */
79072805 898 if (size == 8)
eb160463 899 s[offset ] = (U8)( lval & 0xff);
79072805 900 else if (size == 16) {
eb160463
GS
901 s[offset ] = (U8)((lval >> 8) & 0xff);
902 s[offset+1] = (U8)( lval & 0xff);
79072805
LW
903 }
904 else if (size == 32) {
eb160463
GS
905 s[offset ] = (U8)((lval >> 24) & 0xff);
906 s[offset+1] = (U8)((lval >> 16) & 0xff);
907 s[offset+2] = (U8)((lval >> 8) & 0xff);
908 s[offset+3] = (U8)( lval & 0xff);
c5a0f51a 909 }
d7d93a81 910#ifdef UV_IS_QUAD
c5a0f51a 911 else if (size == 64) {
c5a0f51a 912 if (ckWARN(WARN_PORTABLE))
9014280d 913 Perl_warner(aTHX_ packWARN(WARN_PORTABLE),
c5a0f51a 914 "Bit vector size > 32 non-portable");
eb160463
GS
915 s[offset ] = (U8)((lval >> 56) & 0xff);
916 s[offset+1] = (U8)((lval >> 48) & 0xff);
917 s[offset+2] = (U8)((lval >> 40) & 0xff);
918 s[offset+3] = (U8)((lval >> 32) & 0xff);
919 s[offset+4] = (U8)((lval >> 24) & 0xff);
920 s[offset+5] = (U8)((lval >> 16) & 0xff);
921 s[offset+6] = (U8)((lval >> 8) & 0xff);
922 s[offset+7] = (U8)( lval & 0xff);
79072805 923 }
dc1e3f56 924#endif
79072805 925 }
7bb043c3 926 SvSETMAGIC(targ);
79072805
LW
927}
928
929void
864dbfa3 930Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
79072805 931{
463ee0b2 932 STRLEN len;
a0d0e21e 933 char *s;
8e84507e 934
79072805 935 if (SvTYPE(sv) == SVt_PVAV) {
a0d0e21e
LW
936 register I32 i;
937 I32 max;
938 AV* av = (AV*)sv;
939 max = AvFILL(av);
940 for (i = 0; i <= max; i++) {
941 sv = (SV*)av_fetch(av, i, FALSE);
3280af22 942 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
a0d0e21e
LW
943 do_chop(astr, sv);
944 }
945 return;
79072805 946 }
aa854799 947 else if (SvTYPE(sv) == SVt_PVHV) {
a0d0e21e
LW
948 HV* hv = (HV*)sv;
949 HE* entry;
950 (void)hv_iterinit(hv);
951 /*SUPPRESS 560*/
155aba94 952 while ((entry = hv_iternext(hv)))
a0d0e21e
LW
953 do_chop(astr,hv_iterval(hv,entry));
954 return;
79072805 955 }
991e6d41
NC
956 else if (SvREADONLY(sv)) {
957 if (SvFAKE(sv)) {
958 /* SV is copy-on-write */
959 sv_force_normal_flags(sv, 0);
960 }
961 if (SvREADONLY(sv))
962 Perl_croak(aTHX_ PL_no_modify);
963 }
a0d0e21e 964 s = SvPV(sv, len);
748a9306 965 if (len && !SvPOK(sv))
a0d0e21e 966 s = SvPV_force(sv, len);
7e2040f0 967 if (DO_UTF8(sv)) {
a0ed51b3
LW
968 if (s && len) {
969 char *send = s + len;
970 char *start = s;
971 s = send - 1;
a0dbb045
JH
972 while (s > start && UTF8_IS_CONTINUATION(*s))
973 s--;
9041c2e3 974 if (utf8_to_uvchr((U8*)s, 0)) {
a0dbb045
JH
975 sv_setpvn(astr, s, send - s);
976 *s = '\0';
977 SvCUR_set(sv, s - start);
978 SvNIOK_off(sv);
979 SvUTF8_on(astr);
980 }
a0ed51b3
LW
981 }
982 else
983 sv_setpvn(astr, "", 0);
984 }
7e2040f0 985 else if (s && len) {
a0d0e21e
LW
986 s += --len;
987 sv_setpvn(astr, s, 1);
988 *s = '\0';
989 SvCUR_set(sv, len);
2c19a612 990 SvUTF8_off(sv);
a0d0e21e 991 SvNIOK_off(sv);
79072805
LW
992 }
993 else
a0d0e21e
LW
994 sv_setpvn(astr, "", 0);
995 SvSETMAGIC(sv);
7e2040f0 996}
a0d0e21e
LW
997
998I32
864dbfa3 999Perl_do_chomp(pTHX_ register SV *sv)
a0d0e21e 1000{
c07a80fd 1001 register I32 count;
a0d0e21e 1002 STRLEN len;
9b33ce3b 1003 STRLEN n_a;
a0d0e21e 1004 char *s;
c07a80fd 1005
3280af22 1006 if (RsSNARF(PL_rs))
c07a80fd 1007 return 0;
4c5a6083
GS
1008 if (RsRECORD(PL_rs))
1009 return 0;
c07a80fd 1010 count = 0;
a0d0e21e
LW
1011 if (SvTYPE(sv) == SVt_PVAV) {
1012 register I32 i;
1013 I32 max;
1014 AV* av = (AV*)sv;
1015 max = AvFILL(av);
1016 for (i = 0; i <= max; i++) {
1017 sv = (SV*)av_fetch(av, i, FALSE);
3280af22 1018 if (sv && ((sv = *(SV**)sv), sv != &PL_sv_undef))
a0d0e21e
LW
1019 count += do_chomp(sv);
1020 }
1021 return count;
1022 }
aa854799 1023 else if (SvTYPE(sv) == SVt_PVHV) {
a0d0e21e
LW
1024 HV* hv = (HV*)sv;
1025 HE* entry;
1026 (void)hv_iterinit(hv);
1027 /*SUPPRESS 560*/
155aba94 1028 while ((entry = hv_iternext(hv)))
a0d0e21e
LW
1029 count += do_chomp(hv_iterval(hv,entry));
1030 return count;
1031 }
991e6d41
NC
1032 else if (SvREADONLY(sv)) {
1033 if (SvFAKE(sv)) {
1034 /* SV is copy-on-write */
1035 sv_force_normal_flags(sv, 0);
1036 }
1037 if (SvREADONLY(sv))
1038 Perl_croak(aTHX_ PL_no_modify);
1039 }
a0d0e21e 1040 s = SvPV(sv, len);
a0d0e21e
LW
1041 if (s && len) {
1042 s += --len;
3280af22 1043 if (RsPARA(PL_rs)) {
a0d0e21e
LW
1044 if (*s != '\n')
1045 goto nope;
1046 ++count;
1047 while (len && s[-1] == '\n') {
1048 --len;
1049 --s;
1050 ++count;
1051 }
1052 }
a0d0e21e 1053 else {
c07a80fd 1054 STRLEN rslen;
3280af22 1055 char *rsptr = SvPV(PL_rs, rslen);
c07a80fd
PP
1056 if (rslen == 1) {
1057 if (*s != *rsptr)
1058 goto nope;
1059 ++count;
1060 }
1061 else {
8c2cee6f 1062 if (len < rslen - 1)
c07a80fd
PP
1063 goto nope;
1064 len -= rslen - 1;
1065 s -= rslen - 1;
36477c24 1066 if (memNE(s, rsptr, rslen))
c07a80fd
PP
1067 goto nope;
1068 count += rslen;
1069 }
a0d0e21e 1070 }
9b33ce3b 1071 s = SvPV_force(sv, n_a);
a0d0e21e 1072 SvCUR_set(sv, len);
9b33ce3b 1073 *SvEND(sv) = '\0';
a0d0e21e 1074 SvNIOK_off(sv);
9b33ce3b 1075 SvSETMAGIC(sv);
a0d0e21e
LW
1076 }
1077 nope:
a0d0e21e 1078 return count;
8e84507e 1079}
79072805
LW
1080
1081void
864dbfa3 1082Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
79072805
LW
1083{
1084#ifdef LIBERAL
1085 register long *dl;
1086 register long *ll;
1087 register long *rl;
1088#endif
1089 register char *dc;
463ee0b2
LW
1090 STRLEN leftlen;
1091 STRLEN rightlen;
7a4c00b4
PP
1092 register char *lc;
1093 register char *rc;
79072805 1094 register I32 len;
a0d0e21e 1095 I32 lensave;
7a4c00b4
PP
1096 char *lsave;
1097 char *rsave;
0c57e439
GS
1098 bool left_utf = DO_UTF8(left);
1099 bool right_utf = DO_UTF8(right);
b7953727 1100 I32 needlen = 0;
0c57e439
GS
1101
1102 if (left_utf && !right_utf)
1103 sv_utf8_upgrade(right);
a1ca4561 1104 else if (!left_utf && right_utf)
0c57e439 1105 sv_utf8_upgrade(left);
79072805 1106
1fbd88dc
CS
1107 if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
1108 sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
7a4c00b4
PP
1109 lsave = lc = SvPV(left, leftlen);
1110 rsave = rc = SvPV(right, rightlen);
93a17b20 1111 len = leftlen < rightlen ? leftlen : rightlen;
a0d0e21e 1112 lensave = len;
c9b3c8d0
JH
1113 if ((left_utf || right_utf) && (sv == left || sv == right)) {
1114 needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
1115 Newz(801, dc, needlen + 1, char);
1116 }
1117 else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
2d8e6c8d
GS
1118 STRLEN n_a;
1119 dc = SvPV_force(sv, n_a);
eb160463
GS
1120 if (SvCUR(sv) < (STRLEN)len) {
1121 dc = SvGROW(sv, (STRLEN)(len + 1));
ff68c719
PP
1122 (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
1123 }
c9b3c8d0
JH
1124 if (optype != OP_BIT_AND && (left_utf || right_utf))
1125 dc = SvGROW(sv, leftlen + rightlen + 1);
ff68c719
PP
1126 }
1127 else {
c9b3c8d0
JH
1128 needlen = ((optype == OP_BIT_AND)
1129 ? len : (leftlen > rightlen ? leftlen : rightlen));
ff68c719
PP
1130 Newz(801, dc, needlen + 1, char);
1131 (void)sv_usepvn(sv, dc, needlen);
1132 dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
79072805 1133 }
a0d0e21e
LW
1134 SvCUR_set(sv, len);
1135 (void)SvPOK_only(sv);
0c57e439
GS
1136 if (left_utf || right_utf) {
1137 UV duc, luc, ruc;
c9b3c8d0 1138 char *dcsave = dc;
0c57e439
GS
1139 STRLEN lulen = leftlen;
1140 STRLEN rulen = rightlen;
ba210ebe 1141 STRLEN ulen;
0c57e439
GS
1142
1143 switch (optype) {
1144 case OP_BIT_AND:
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 1154 }
c9b3c8d0
JH
1155 if (sv == left || sv == right)
1156 (void)sv_usepvn(sv, dcsave, needlen);
1157 SvCUR_set(sv, dc - dcsave);
0c57e439
GS
1158 break;
1159 case OP_BIT_XOR:
1160 while (lulen && rulen) {
9041c2e3 1161 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1162 lc += ulen;
1163 lulen -= ulen;
9041c2e3 1164 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1165 rc += ulen;
1166 rulen -= ulen;
1167 duc = luc ^ ruc;
9041c2e3 1168 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
0c57e439
GS
1169 }
1170 goto mop_up_utf;
1171 case OP_BIT_OR:
1172 while (lulen && rulen) {
9041c2e3 1173 luc = utf8n_to_uvchr((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1174 lc += ulen;
1175 lulen -= ulen;
9041c2e3 1176 ruc = utf8n_to_uvchr((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
0c57e439
GS
1177 rc += ulen;
1178 rulen -= ulen;
1179 duc = luc | ruc;
9041c2e3 1180 dc = (char*)uvchr_to_utf8((U8*)dc, duc);
0c57e439
GS
1181 }
1182 mop_up_utf:
c9b3c8d0
JH
1183 if (sv == left || sv == right)
1184 (void)sv_usepvn(sv, dcsave, needlen);
1185 SvCUR_set(sv, dc - dcsave);
0c57e439
GS
1186 if (rulen)
1187 sv_catpvn(sv, rc, rulen);
1188 else if (lulen)
1189 sv_catpvn(sv, lc, lulen);
1190 else
1191 *SvEND(sv) = '\0';
1192 break;
1193 }
1194 SvUTF8_on(sv);
1195 goto finish;
1196 }
1197 else
79072805
LW
1198#ifdef LIBERAL
1199 if (len >= sizeof(long)*4 &&
1200 !((long)dc % sizeof(long)) &&
1201 !((long)lc % sizeof(long)) &&
1202 !((long)rc % sizeof(long))) /* It's almost always aligned... */
1203 {
1204 I32 remainder = len % (sizeof(long)*4);
1205 len /= (sizeof(long)*4);
1206
1207 dl = (long*)dc;
1208 ll = (long*)lc;
1209 rl = (long*)rc;
1210
1211 switch (optype) {
1212 case OP_BIT_AND:
1213 while (len--) {
1214 *dl++ = *ll++ & *rl++;
1215 *dl++ = *ll++ & *rl++;
1216 *dl++ = *ll++ & *rl++;
1217 *dl++ = *ll++ & *rl++;
1218 }
1219 break;
a0d0e21e 1220 case OP_BIT_XOR:
79072805
LW
1221 while (len--) {
1222 *dl++ = *ll++ ^ *rl++;
1223 *dl++ = *ll++ ^ *rl++;
1224 *dl++ = *ll++ ^ *rl++;
1225 *dl++ = *ll++ ^ *rl++;
1226 }
1227 break;
1228 case OP_BIT_OR:
1229 while (len--) {
1230 *dl++ = *ll++ | *rl++;
1231 *dl++ = *ll++ | *rl++;
1232 *dl++ = *ll++ | *rl++;
1233 *dl++ = *ll++ | *rl++;
1234 }
1235 }
1236
1237 dc = (char*)dl;
1238 lc = (char*)ll;
1239 rc = (char*)rl;
1240
1241 len = remainder;
1242 }
1243#endif
a0d0e21e 1244 {
a0d0e21e
LW
1245 switch (optype) {
1246 case OP_BIT_AND:
1247 while (len--)
1248 *dc++ = *lc++ & *rc++;
1249 break;
1250 case OP_BIT_XOR:
1251 while (len--)
1252 *dc++ = *lc++ ^ *rc++;
1253 goto mop_up;
1254 case OP_BIT_OR:
1255 while (len--)
1256 *dc++ = *lc++ | *rc++;
1257 mop_up:
1258 len = lensave;
eb160463 1259 if (rightlen > (STRLEN)len)
a0d0e21e 1260 sv_catpvn(sv, rsave + len, rightlen - len);
eb160463 1261 else if (leftlen > (STRLEN)len)
a0d0e21e 1262 sv_catpvn(sv, lsave + len, leftlen - len);
4633a7c4
LW
1263 else
1264 *SvEND(sv) = '\0';
a0d0e21e
LW
1265 break;
1266 }
79072805 1267 }
0c57e439 1268finish:
fb73857a 1269 SvTAINT(sv);
79072805 1270}
463ee0b2
LW
1271
1272OP *
cea2e8a9 1273Perl_do_kv(pTHX)
463ee0b2 1274{
39644a26 1275 dSP;
463ee0b2 1276 HV *hv = (HV*)POPs;
800e9ae0 1277 HV *keys;
463ee0b2 1278 register HE *entry;
463ee0b2 1279 SV *tmpstr;
54310121 1280 I32 gimme = GIMME_V;
533c011a
NIS
1281 I32 dokeys = (PL_op->op_type == OP_KEYS);
1282 I32 dovalues = (PL_op->op_type == OP_VALUES);
8e84507e
NIS
1283
1284 if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
a0d0e21e 1285 dokeys = dovalues = TRUE;
463ee0b2 1286
85581909 1287 if (!hv) {
78f9721b 1288 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
85581909
SB
1289 dTARGET; /* make sure to clear its target here */
1290 if (SvTYPE(TARG) == SVt_PVLV)
1291 LvTARG(TARG) = Nullsv;
1292 PUSHs(TARG);
1293 }
463ee0b2 1294 RETURN;
85581909 1295 }
748a9306 1296
6d822dc4 1297 keys = hv;
800e9ae0 1298 (void)hv_iterinit(keys); /* always reset iterator regardless */
748a9306 1299
54310121 1300 if (gimme == G_VOID)
aa689395
PP
1301 RETURN;
1302
54310121 1303 if (gimme == G_SCALAR) {
6ee623d5 1304 IV i;
463ee0b2
LW
1305 dTARGET;
1306
78f9721b 1307 if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
85581909
SB
1308 if (SvTYPE(TARG) < SVt_PVLV) {
1309 sv_upgrade(TARG, SVt_PVLV);
14befaf4 1310 sv_magic(TARG, Nullsv, PERL_MAGIC_nkeys, Nullch, 0);
85581909
SB
1311 }
1312 LvTYPE(TARG) = 'k';
800e9ae0 1313 if (LvTARG(TARG) != (SV*)keys) {
6ff81951
GS
1314 if (LvTARG(TARG))
1315 SvREFCNT_dec(LvTARG(TARG));
800e9ae0 1316 LvTARG(TARG) = SvREFCNT_inc(keys);
6ff81951 1317 }
85581909
SB
1318 PUSHs(TARG);
1319 RETURN;
1320 }
1321
14befaf4 1322 if (! SvTIED_mg((SV*)keys, PERL_MAGIC_tied))
a98face1 1323 i = HvKEYS(keys);
463ee0b2
LW
1324 else {
1325 i = 0;
463ee0b2 1326 /*SUPPRESS 560*/
800e9ae0 1327 while (hv_iternext(keys)) i++;
463ee0b2
LW
1328 }
1329 PUSHi( i );
1330 RETURN;
1331 }
1332
8ed4b672 1333 EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues));
463ee0b2 1334
463ee0b2 1335 PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */
155aba94 1336 while ((entry = hv_iternext(keys))) {
463ee0b2 1337 SPAGAIN;
574c8022
JH
1338 if (dokeys) {
1339 SV* sv = hv_iterkeysv(entry);
574c8022
JH
1340 XPUSHs(sv); /* won't clobber stack_sp */
1341 }
463ee0b2 1342 if (dovalues) {
463ee0b2 1343 PUTBACK;
6d822dc4 1344 tmpstr = hv_iterval(hv,entry);
cea2e8a9 1345 DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
46fc3d4c 1346 (unsigned long)HeHASH(entry),
800e9ae0
JP
1347 HvMAX(keys)+1,
1348 (unsigned long)(HeHASH(entry) & HvMAX(keys))));
463ee0b2 1349 SPAGAIN;
46fc3d4c 1350 XPUSHs(tmpstr);
463ee0b2
LW
1351 }
1352 PUTBACK;
1353 }
1354 return NORMAL;
1355}
4e35701f 1356