Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | /* doop.c |
79072805 | 2 | * |
a0d0e21e | 3 | * Copyright (c) 1991-1994, 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" | |
15 | #include "perl.h" | |
16 | ||
17 | #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) | |
18 | #include <signal.h> | |
19 | #endif | |
20 | ||
79072805 LW |
21 | I32 |
22 | do_trans(sv,arg) | |
23 | SV *sv; | |
24 | OP *arg; | |
25 | { | |
26 | register short *tbl; | |
1476d272 | 27 | register U8 *s; |
28 | register U8 *send; | |
29 | register U8 *d; | |
79072805 | 30 | register I32 ch; |
1476d272 | 31 | register I32 matches = 0; |
79072805 | 32 | register I32 squash = op->op_private & OPpTRANS_SQUASH; |
463ee0b2 | 33 | STRLEN len; |
79072805 | 34 | |
a0d0e21e LW |
35 | if (SvREADONLY(sv)) |
36 | croak(no_modify); | |
1476d272 | 37 | tbl = (short*)cPVOP->op_pv; |
38 | s = (U8*)SvPV(sv, len); | |
a0d0e21e LW |
39 | if (!len) |
40 | return 0; | |
41 | if (!SvPOKp(sv)) | |
1476d272 | 42 | s = (U8*)SvPV_force(sv, len); |
a0d0e21e | 43 | (void)SvPOK_only(sv); |
463ee0b2 | 44 | send = s + len; |
79072805 | 45 | if (!tbl || !s) |
463ee0b2 | 46 | croak("panic: do_trans"); |
79072805 LW |
47 | DEBUG_t( deb("2.TBL\n")); |
48 | if (!op->op_private) { | |
49 | while (s < send) { | |
1476d272 | 50 | if ((ch = tbl[*s]) >= 0) { |
79072805 LW |
51 | matches++; |
52 | *s = ch; | |
53 | } | |
54 | s++; | |
55 | } | |
56 | } | |
57 | else { | |
58 | d = s; | |
59 | while (s < send) { | |
1476d272 | 60 | if ((ch = tbl[*s]) >= 0) { |
79072805 LW |
61 | *d = ch; |
62 | if (matches++ && squash) { | |
63 | if (d[-1] == *d) | |
64 | matches--; | |
65 | else | |
66 | d++; | |
67 | } | |
68 | else | |
69 | d++; | |
70 | } | |
71 | else if (ch == -1) /* -1 is unmapped character */ | |
72 | *d++ = *s; /* -2 is delete character */ | |
73 | s++; | |
74 | } | |
75 | matches += send - d; /* account for disappeared chars */ | |
76 | *d = '\0'; | |
1476d272 | 77 | SvCUR_set(sv, d - (U8*)SvPVX(sv)); |
79072805 LW |
78 | } |
79 | SvSETMAGIC(sv); | |
80 | return matches; | |
81 | } | |
82 | ||
83 | void | |
84 | do_join(sv,del,mark,sp) | |
85 | register SV *sv; | |
86 | SV *del; | |
87 | register SV **mark; | |
88 | register SV **sp; | |
89 | { | |
90 | SV **oldmark = mark; | |
91 | register I32 items = sp - mark; | |
79072805 | 92 | register STRLEN len; |
463ee0b2 LW |
93 | STRLEN delimlen; |
94 | register char *delim = SvPV(del, delimlen); | |
95 | STRLEN tmplen; | |
79072805 LW |
96 | |
97 | mark++; | |
98 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
99 | if (SvTYPE(sv) < SVt_PV) | |
100 | sv_upgrade(sv, SVt_PV); | |
101 | if (SvLEN(sv) < len + items) { /* current length is way too short */ | |
102 | while (items-- > 0) { | |
103 | if (*mark) { | |
463ee0b2 LW |
104 | SvPV(*mark, tmplen); |
105 | len += tmplen; | |
79072805 LW |
106 | } |
107 | mark++; | |
108 | } | |
109 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
110 | ||
111 | mark = oldmark; | |
112 | items = sp - mark;; | |
113 | ++mark; | |
114 | } | |
115 | ||
463ee0b2 | 116 | if (items-- > 0) { |
8990e307 LW |
117 | char *s; |
118 | ||
119 | if (*mark) { | |
120 | s = SvPV(*mark, tmplen); | |
121 | sv_setpvn(sv, s, tmplen); | |
122 | } | |
123 | else | |
124 | sv_setpv(sv, ""); | |
463ee0b2 LW |
125 | mark++; |
126 | } | |
79072805 LW |
127 | else |
128 | sv_setpv(sv,""); | |
129 | len = delimlen; | |
130 | if (len) { | |
131 | for (; items > 0; items--,mark++) { | |
132 | sv_catpvn(sv,delim,len); | |
133 | sv_catsv(sv,*mark); | |
134 | } | |
135 | } | |
136 | else { | |
137 | for (; items > 0; items--,mark++) | |
138 | sv_catsv(sv,*mark); | |
139 | } | |
140 | SvSETMAGIC(sv); | |
141 | } | |
142 | ||
143 | void | |
144 | do_sprintf(sv,len,sarg) | |
145 | register SV *sv; | |
146 | register I32 len; | |
147 | register SV **sarg; | |
148 | { | |
149 | register char *s; | |
150 | register char *t; | |
151 | register char *f; | |
046ff0ed | 152 | char dotype; |
79072805 LW |
153 | char ch; |
154 | register char *send; | |
155 | register SV *arg; | |
156 | char *xs; | |
157 | I32 xlen; | |
158 | I32 pre; | |
159 | I32 post; | |
160 | double value; | |
463ee0b2 | 161 | STRLEN arglen; |
79072805 LW |
162 | |
163 | sv_setpv(sv,""); | |
164 | len--; /* don't count pattern string */ | |
a0d0e21e | 165 | t = s = SvPV(*sarg, arglen); /* XXX Don't know t is writeable */ |
463ee0b2 | 166 | send = s + arglen; |
79072805 LW |
167 | sarg++; |
168 | for ( ; ; len--) { | |
169 | ||
170 | /*SUPPRESS 560*/ | |
171 | if (len <= 0 || !(arg = *sarg++)) | |
172 | arg = &sv_no; | |
173 | ||
174 | /*SUPPRESS 530*/ | |
175 | for ( ; t < send && *t != '%'; t++) ; | |
176 | if (t >= send) | |
177 | break; /* end of run_format string, ignore extra args */ | |
178 | f = t; | |
179 | *buf = '\0'; | |
180 | xs = buf; | |
046ff0ed | 181 | dotype = '\0'; |
79072805 LW |
182 | pre = post = 0; |
183 | for (t++; t < send; t++) { | |
184 | switch (*t) { | |
185 | default: | |
186 | ch = *(++t); | |
187 | *t = '\0'; | |
188 | (void)sprintf(xs,f); | |
189 | len++, sarg--; | |
190 | xlen = strlen(xs); | |
191 | break; | |
748a9306 LW |
192 | case 'n': case '*': |
193 | croak("Use of %c in printf format not supported", *t); | |
194 | ||
79072805 LW |
195 | case '0': case '1': case '2': case '3': case '4': |
196 | case '5': case '6': case '7': case '8': case '9': | |
197 | case '.': case '#': case '-': case '+': case ' ': | |
198 | continue; | |
463ee0b2 | 199 | case 'l': |
ecfc5424 | 200 | #ifdef HAS_QUAD |
046ff0ed CS |
201 | if (dotype == 'l') |
202 | dotype = 'q'; | |
203 | else | |
79072805 | 204 | #endif |
046ff0ed CS |
205 | dotype = 'l'; |
206 | continue; | |
207 | case 'h': | |
208 | dotype = 's'; | |
79072805 LW |
209 | continue; |
210 | case 'c': | |
211 | ch = *(++t); | |
212 | *t = '\0'; | |
463ee0b2 | 213 | xlen = SvIV(arg); |
79072805 LW |
214 | if (strEQ(f,"%c")) { /* some printfs fail on null chars */ |
215 | *xs = xlen; | |
216 | xs[1] = '\0'; | |
217 | xlen = 1; | |
218 | } | |
219 | else { | |
220 | (void)sprintf(xs,f,xlen); | |
221 | xlen = strlen(xs); | |
222 | } | |
223 | break; | |
224 | case 'D': | |
046ff0ed | 225 | dotype = 'l'; |
79072805 LW |
226 | /* FALL THROUGH */ |
227 | case 'd': | |
046ff0ed | 228 | case 'i': |
79072805 LW |
229 | ch = *(++t); |
230 | *t = '\0'; | |
046ff0ed | 231 | switch (dotype) { |
ecfc5424 | 232 | #ifdef HAS_QUAD |
046ff0ed CS |
233 | case 'q': |
234 | /* perl.h says that if quad is available, IV is quad */ | |
235 | (void)sprintf(xs,f,(Quad_t)SvIV(arg)); | |
236 | break; | |
79072805 | 237 | #endif |
046ff0ed CS |
238 | case 'l': |
239 | (void)sprintf(xs,f,(long)SvIV(arg)); | |
240 | break; | |
241 | default: | |
242 | (void)sprintf(xs,f,(int)SvIV(arg)); | |
243 | break; | |
244 | case 's': | |
245 | (void)sprintf(xs,f,(short)SvIV(arg)); | |
246 | break; | |
247 | } | |
79072805 LW |
248 | xlen = strlen(xs); |
249 | break; | |
250 | case 'X': case 'O': | |
046ff0ed | 251 | dotype = 'l'; |
79072805 LW |
252 | /* FALL THROUGH */ |
253 | case 'x': case 'o': case 'u': | |
254 | ch = *(++t); | |
255 | *t = '\0'; | |
046ff0ed | 256 | switch (dotype) { |
ecfc5424 | 257 | #ifdef HAS_QUAD |
046ff0ed CS |
258 | case 'q': |
259 | /* perl.h says that if quad is available, UV is quad */ | |
260 | (void)sprintf(xs,f,(unsigned Quad_t)SvUV(arg)); | |
261 | break; | |
79072805 | 262 | #endif |
046ff0ed CS |
263 | case 'l': |
264 | (void)sprintf(xs,f,(unsigned long)SvUV(arg)); | |
265 | break; | |
266 | default: | |
267 | (void)sprintf(xs,f,(unsigned int)SvUV(arg)); | |
268 | break; | |
269 | case 's': | |
270 | (void)sprintf(xs,f,(unsigned short)SvUV(arg)); | |
271 | break; | |
272 | } | |
79072805 LW |
273 | xlen = strlen(xs); |
274 | break; | |
275 | case 'E': case 'e': case 'f': case 'G': case 'g': | |
276 | ch = *(++t); | |
277 | *t = '\0'; | |
463ee0b2 | 278 | (void)sprintf(xs,f,SvNV(arg)); |
79072805 | 279 | xlen = strlen(xs); |
bbce6d69 | 280 | #ifdef LC_NUMERIC |
ff68c719 | 281 | /* |
282 | * User-defined locales may include arbitrary characters. | |
283 | * And, unfortunately, some system may alloc the "C" locale | |
284 | * to be overridden by a malicious user. | |
285 | */ | |
286 | if (op->op_type == OP_SPRINTF) | |
bbce6d69 | 287 | SvTAINTED_on(sv); |
ff68c719 | 288 | #endif /* LC_NUMERIC */ |
79072805 LW |
289 | break; |
290 | case 's': | |
291 | ch = *(++t); | |
292 | *t = '\0'; | |
463ee0b2 LW |
293 | xs = SvPV(arg, arglen); |
294 | xlen = (I32)arglen; | |
79072805 LW |
295 | if (strEQ(f,"%s")) { /* some printfs fail on >128 chars */ |
296 | break; /* so handle simple cases */ | |
297 | } | |
298 | else if (f[1] == '-') { | |
93a17b20 | 299 | char *mp = strchr(f, '.'); |
79072805 LW |
300 | I32 min = atoi(f+2); |
301 | ||
302 | if (mp) { | |
303 | I32 max = atoi(mp+1); | |
304 | ||
305 | if (xlen > max) | |
306 | xlen = max; | |
307 | } | |
308 | if (xlen < min) | |
309 | post = min - xlen; | |
310 | break; | |
311 | } | |
312 | else if (isDIGIT(f[1])) { | |
93a17b20 | 313 | char *mp = strchr(f, '.'); |
79072805 LW |
314 | I32 min = atoi(f+1); |
315 | ||
316 | if (mp) { | |
317 | I32 max = atoi(mp+1); | |
318 | ||
319 | if (xlen > max) | |
320 | xlen = max; | |
321 | } | |
322 | if (xlen < min) | |
323 | pre = min - xlen; | |
324 | break; | |
325 | } | |
326 | strcpy(tokenbuf+64,f); /* sprintf($s,...$s...) */ | |
327 | *t = ch; | |
328 | (void)sprintf(buf,tokenbuf+64,xs); | |
329 | xs = buf; | |
330 | xlen = strlen(xs); | |
331 | break; | |
332 | } | |
333 | /* end of switch, copy results */ | |
334 | *t = ch; | |
4633a7c4 | 335 | if (xs == buf && xlen >= sizeof(buf)) { /* Ooops! */ |
760ac839 | 336 | PerlIO_puts(PerlIO_stderr(),"panic: sprintf overflow - memory corrupted!\n"); |
4633a7c4 LW |
337 | my_exit(1); |
338 | } | |
79072805 LW |
339 | SvGROW(sv, SvCUR(sv) + (f - s) + xlen + 1 + pre + post); |
340 | sv_catpvn(sv, s, f - s); | |
341 | if (pre) { | |
463ee0b2 | 342 | repeatcpy(SvPVX(sv) + SvCUR(sv), " ", 1, pre); |
79072805 LW |
343 | SvCUR(sv) += pre; |
344 | } | |
345 | sv_catpvn(sv, xs, xlen); | |
346 | if (post) { | |
463ee0b2 | 347 | repeatcpy(SvPVX(sv) + SvCUR(sv), " ", 1, post); |
79072805 LW |
348 | SvCUR(sv) += post; |
349 | } | |
350 | s = t; | |
351 | break; /* break from for loop */ | |
352 | } | |
353 | } | |
354 | sv_catpvn(sv, s, t - s); | |
355 | SvSETMAGIC(sv); | |
356 | } | |
357 | ||
358 | void | |
359 | do_vecset(sv) | |
360 | SV *sv; | |
361 | { | |
362 | SV *targ = LvTARG(sv); | |
363 | register I32 offset; | |
364 | register I32 size; | |
8990e307 LW |
365 | register unsigned char *s; |
366 | register unsigned long lval; | |
79072805 | 367 | I32 mask; |
a0d0e21e LW |
368 | STRLEN targlen; |
369 | STRLEN len; | |
79072805 | 370 | |
8990e307 LW |
371 | if (!targ) |
372 | return; | |
a0d0e21e | 373 | s = (unsigned char*)SvPV_force(targ, targlen); |
8990e307 | 374 | lval = U_L(SvNV(sv)); |
79072805 LW |
375 | offset = LvTARGOFF(sv); |
376 | size = LvTARGLEN(sv); | |
a0d0e21e LW |
377 | |
378 | len = (offset + size + 7) / 8; | |
379 | if (len > targlen) { | |
380 | s = (unsigned char*)SvGROW(targ, len + 1); | |
381 | (void)memzero(s + targlen, len - targlen + 1); | |
382 | SvCUR_set(targ, len); | |
383 | } | |
384 | ||
79072805 LW |
385 | if (size < 8) { |
386 | mask = (1 << size) - 1; | |
387 | size = offset & 7; | |
388 | lval &= mask; | |
389 | offset >>= 3; | |
390 | s[offset] &= ~(mask << size); | |
391 | s[offset] |= lval << size; | |
392 | } | |
393 | else { | |
a0d0e21e | 394 | offset >>= 3; |
79072805 LW |
395 | if (size == 8) |
396 | s[offset] = lval & 255; | |
397 | else if (size == 16) { | |
398 | s[offset] = (lval >> 8) & 255; | |
399 | s[offset+1] = lval & 255; | |
400 | } | |
401 | else if (size == 32) { | |
402 | s[offset] = (lval >> 24) & 255; | |
403 | s[offset+1] = (lval >> 16) & 255; | |
404 | s[offset+2] = (lval >> 8) & 255; | |
405 | s[offset+3] = lval & 255; | |
406 | } | |
407 | } | |
408 | } | |
409 | ||
410 | void | |
411 | do_chop(astr,sv) | |
412 | register SV *astr; | |
413 | register SV *sv; | |
414 | { | |
463ee0b2 | 415 | STRLEN len; |
a0d0e21e LW |
416 | char *s; |
417 | ||
79072805 | 418 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
419 | register I32 i; |
420 | I32 max; | |
421 | AV* av = (AV*)sv; | |
422 | max = AvFILL(av); | |
423 | for (i = 0; i <= max; i++) { | |
424 | sv = (SV*)av_fetch(av, i, FALSE); | |
425 | if (sv && ((sv = *(SV**)sv), sv != &sv_undef)) | |
426 | do_chop(astr, sv); | |
427 | } | |
428 | return; | |
79072805 LW |
429 | } |
430 | if (SvTYPE(sv) == SVt_PVHV) { | |
a0d0e21e LW |
431 | HV* hv = (HV*)sv; |
432 | HE* entry; | |
433 | (void)hv_iterinit(hv); | |
434 | /*SUPPRESS 560*/ | |
435 | while (entry = hv_iternext(hv)) | |
436 | do_chop(astr,hv_iterval(hv,entry)); | |
437 | return; | |
79072805 | 438 | } |
a0d0e21e | 439 | s = SvPV(sv, len); |
748a9306 | 440 | if (len && !SvPOK(sv)) |
a0d0e21e LW |
441 | s = SvPV_force(sv, len); |
442 | if (s && len) { | |
443 | s += --len; | |
444 | sv_setpvn(astr, s, 1); | |
445 | *s = '\0'; | |
446 | SvCUR_set(sv, len); | |
447 | SvNIOK_off(sv); | |
79072805 LW |
448 | } |
449 | else | |
a0d0e21e LW |
450 | sv_setpvn(astr, "", 0); |
451 | SvSETMAGIC(sv); | |
452 | } | |
453 | ||
454 | I32 | |
455 | do_chomp(sv) | |
456 | register SV *sv; | |
457 | { | |
c07a80fd | 458 | register I32 count; |
a0d0e21e LW |
459 | STRLEN len; |
460 | char *s; | |
c07a80fd | 461 | |
462 | if (RsSNARF(rs)) | |
463 | return 0; | |
464 | count = 0; | |
a0d0e21e LW |
465 | if (SvTYPE(sv) == SVt_PVAV) { |
466 | register I32 i; | |
467 | I32 max; | |
468 | AV* av = (AV*)sv; | |
469 | max = AvFILL(av); | |
470 | for (i = 0; i <= max; i++) { | |
471 | sv = (SV*)av_fetch(av, i, FALSE); | |
472 | if (sv && ((sv = *(SV**)sv), sv != &sv_undef)) | |
473 | count += do_chomp(sv); | |
474 | } | |
475 | return count; | |
476 | } | |
477 | if (SvTYPE(sv) == SVt_PVHV) { | |
478 | HV* hv = (HV*)sv; | |
479 | HE* entry; | |
480 | (void)hv_iterinit(hv); | |
481 | /*SUPPRESS 560*/ | |
482 | while (entry = hv_iternext(hv)) | |
483 | count += do_chomp(hv_iterval(hv,entry)); | |
484 | return count; | |
485 | } | |
486 | s = SvPV(sv, len); | |
487 | if (len && !SvPOKp(sv)) | |
488 | s = SvPV_force(sv, len); | |
489 | if (s && len) { | |
490 | s += --len; | |
c07a80fd | 491 | if (RsPARA(rs)) { |
a0d0e21e LW |
492 | if (*s != '\n') |
493 | goto nope; | |
494 | ++count; | |
495 | while (len && s[-1] == '\n') { | |
496 | --len; | |
497 | --s; | |
498 | ++count; | |
499 | } | |
500 | } | |
a0d0e21e | 501 | else { |
c07a80fd | 502 | STRLEN rslen; |
503 | char *rsptr = SvPV(rs, rslen); | |
504 | if (rslen == 1) { | |
505 | if (*s != *rsptr) | |
506 | goto nope; | |
507 | ++count; | |
508 | } | |
509 | else { | |
8c2cee6f | 510 | if (len < rslen - 1) |
c07a80fd | 511 | goto nope; |
512 | len -= rslen - 1; | |
513 | s -= rslen - 1; | |
36477c24 | 514 | if (memNE(s, rsptr, rslen)) |
c07a80fd | 515 | goto nope; |
516 | count += rslen; | |
517 | } | |
a0d0e21e | 518 | } |
a0d0e21e LW |
519 | *s = '\0'; |
520 | SvCUR_set(sv, len); | |
521 | SvNIOK_off(sv); | |
522 | } | |
523 | nope: | |
524 | SvSETMAGIC(sv); | |
525 | return count; | |
526 | } | |
79072805 LW |
527 | |
528 | void | |
529 | do_vop(optype,sv,left,right) | |
530 | I32 optype; | |
531 | SV *sv; | |
532 | SV *left; | |
533 | SV *right; | |
534 | { | |
535 | #ifdef LIBERAL | |
536 | register long *dl; | |
537 | register long *ll; | |
538 | register long *rl; | |
539 | #endif | |
540 | register char *dc; | |
463ee0b2 LW |
541 | STRLEN leftlen; |
542 | STRLEN rightlen; | |
7a4c00b4 | 543 | register char *lc; |
544 | register char *rc; | |
79072805 | 545 | register I32 len; |
a0d0e21e | 546 | I32 lensave; |
7a4c00b4 | 547 | char *lsave; |
548 | char *rsave; | |
79072805 | 549 | |
1fbd88dc CS |
550 | if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv))) |
551 | sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */ | |
7a4c00b4 | 552 | lsave = lc = SvPV(left, leftlen); |
553 | rsave = rc = SvPV(right, rightlen); | |
93a17b20 | 554 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e | 555 | lensave = len; |
7a4c00b4 | 556 | if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) { |
ff68c719 | 557 | dc = SvPV_force(sv, na); |
558 | if (SvCUR(sv) < len) { | |
559 | dc = SvGROW(sv, len + 1); | |
560 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
561 | } | |
562 | } | |
563 | else { | |
564 | I32 needlen = ((optype == OP_BIT_AND) | |
565 | ? len : (leftlen > rightlen ? leftlen : rightlen)); | |
566 | Newz(801, dc, needlen + 1, char); | |
567 | (void)sv_usepvn(sv, dc, needlen); | |
568 | dc = SvPVX(sv); /* sv_usepvn() calls Renew() */ | |
79072805 | 569 | } |
a0d0e21e LW |
570 | SvCUR_set(sv, len); |
571 | (void)SvPOK_only(sv); | |
79072805 LW |
572 | #ifdef LIBERAL |
573 | if (len >= sizeof(long)*4 && | |
574 | !((long)dc % sizeof(long)) && | |
575 | !((long)lc % sizeof(long)) && | |
576 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
577 | { | |
578 | I32 remainder = len % (sizeof(long)*4); | |
579 | len /= (sizeof(long)*4); | |
580 | ||
581 | dl = (long*)dc; | |
582 | ll = (long*)lc; | |
583 | rl = (long*)rc; | |
584 | ||
585 | switch (optype) { | |
586 | case OP_BIT_AND: | |
587 | while (len--) { | |
588 | *dl++ = *ll++ & *rl++; | |
589 | *dl++ = *ll++ & *rl++; | |
590 | *dl++ = *ll++ & *rl++; | |
591 | *dl++ = *ll++ & *rl++; | |
592 | } | |
593 | break; | |
a0d0e21e | 594 | case OP_BIT_XOR: |
79072805 LW |
595 | while (len--) { |
596 | *dl++ = *ll++ ^ *rl++; | |
597 | *dl++ = *ll++ ^ *rl++; | |
598 | *dl++ = *ll++ ^ *rl++; | |
599 | *dl++ = *ll++ ^ *rl++; | |
600 | } | |
601 | break; | |
602 | case OP_BIT_OR: | |
603 | while (len--) { | |
604 | *dl++ = *ll++ | *rl++; | |
605 | *dl++ = *ll++ | *rl++; | |
606 | *dl++ = *ll++ | *rl++; | |
607 | *dl++ = *ll++ | *rl++; | |
608 | } | |
609 | } | |
610 | ||
611 | dc = (char*)dl; | |
612 | lc = (char*)ll; | |
613 | rc = (char*)rl; | |
614 | ||
615 | len = remainder; | |
616 | } | |
617 | #endif | |
a0d0e21e | 618 | { |
a0d0e21e LW |
619 | switch (optype) { |
620 | case OP_BIT_AND: | |
621 | while (len--) | |
622 | *dc++ = *lc++ & *rc++; | |
623 | break; | |
624 | case OP_BIT_XOR: | |
625 | while (len--) | |
626 | *dc++ = *lc++ ^ *rc++; | |
627 | goto mop_up; | |
628 | case OP_BIT_OR: | |
629 | while (len--) | |
630 | *dc++ = *lc++ | *rc++; | |
631 | mop_up: | |
632 | len = lensave; | |
633 | if (rightlen > len) | |
634 | sv_catpvn(sv, rsave + len, rightlen - len); | |
635 | else if (leftlen > len) | |
636 | sv_catpvn(sv, lsave + len, leftlen - len); | |
4633a7c4 LW |
637 | else |
638 | *SvEND(sv) = '\0'; | |
a0d0e21e LW |
639 | break; |
640 | } | |
79072805 LW |
641 | } |
642 | } | |
463ee0b2 LW |
643 | |
644 | OP * | |
645 | do_kv(ARGS) | |
646 | dARGS | |
647 | { | |
648 | dSP; | |
649 | HV *hv = (HV*)POPs; | |
463ee0b2 | 650 | register HE *entry; |
463ee0b2 | 651 | SV *tmpstr; |
a0d0e21e LW |
652 | I32 dokeys = (op->op_type == OP_KEYS); |
653 | I32 dovalues = (op->op_type == OP_VALUES); | |
654 | ||
655 | if (op->op_type == OP_RV2HV || op->op_type == OP_PADHV) | |
656 | dokeys = dovalues = TRUE; | |
463ee0b2 | 657 | |
85581909 SB |
658 | if (!hv) { |
659 | if (op->op_flags & OPf_MOD) { /* lvalue */ | |
660 | dTARGET; /* make sure to clear its target here */ | |
661 | if (SvTYPE(TARG) == SVt_PVLV) | |
662 | LvTARG(TARG) = Nullsv; | |
663 | PUSHs(TARG); | |
664 | } | |
463ee0b2 | 665 | RETURN; |
85581909 | 666 | } |
748a9306 LW |
667 | |
668 | (void)hv_iterinit(hv); /* always reset iterator regardless */ | |
669 | ||
aa689395 | 670 | if (op->op_private & OPpLEAVE_VOID) |
671 | RETURN; | |
672 | ||
463ee0b2 | 673 | if (GIMME != G_ARRAY) { |
8c2cee6f | 674 | I32 i; |
463ee0b2 LW |
675 | dTARGET; |
676 | ||
85581909 SB |
677 | if (op->op_flags & OPf_MOD) { /* lvalue */ |
678 | if (SvTYPE(TARG) < SVt_PVLV) { | |
679 | sv_upgrade(TARG, SVt_PVLV); | |
680 | sv_magic(TARG, Nullsv, 'k', Nullch, 0); | |
681 | } | |
682 | LvTYPE(TARG) = 'k'; | |
683 | LvTARG(TARG) = (SV*)hv; | |
684 | PUSHs(TARG); | |
685 | RETURN; | |
686 | } | |
687 | ||
8990e307 | 688 | if (!SvRMAGICAL(hv) || !mg_find((SV*)hv,'P')) |
463ee0b2 LW |
689 | i = HvKEYS(hv); |
690 | else { | |
691 | i = 0; | |
463ee0b2 LW |
692 | /*SUPPRESS 560*/ |
693 | while (entry = hv_iternext(hv)) { | |
694 | i++; | |
695 | } | |
696 | } | |
697 | PUSHi( i ); | |
698 | RETURN; | |
699 | } | |
700 | ||
701 | /* Guess how much room we need. hv_max may be a few too many. Oh well. */ | |
702 | EXTEND(sp, HvMAX(hv) * (dokeys + dovalues)); | |
703 | ||
463ee0b2 LW |
704 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
705 | while (entry = hv_iternext(hv)) { | |
706 | SPAGAIN; | |
8c2cee6f | 707 | if (dokeys) |
708 | XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */ | |
463ee0b2 LW |
709 | if (dovalues) { |
710 | tmpstr = NEWSV(45,0); | |
711 | PUTBACK; | |
712 | sv_setsv(tmpstr,hv_iterval(hv,entry)); | |
713 | SPAGAIN; | |
714 | DEBUG_H( { | |
8c2cee6f | 715 | sprintf(buf,"%d%%%d=%d\n", HeHASH(entry), |
716 | HvMAX(hv)+1, HeHASH(entry) & HvMAX(hv)); | |
717 | sv_setpv(tmpstr,buf); | |
463ee0b2 LW |
718 | } ) |
719 | XPUSHs(sv_2mortal(tmpstr)); | |
720 | } | |
721 | PUTBACK; | |
722 | } | |
723 | return NORMAL; | |
724 | } | |
725 |