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 | ||
21 | #ifdef BUGGY_MSC | |
22 | #pragma function(memcmp) | |
23 | #endif /* BUGGY_MSC */ | |
24 | ||
79072805 LW |
25 | #ifdef BUGGY_MSC |
26 | #pragma intrinsic(memcmp) | |
27 | #endif /* BUGGY_MSC */ | |
28 | ||
29 | I32 | |
30 | do_trans(sv,arg) | |
31 | SV *sv; | |
32 | OP *arg; | |
33 | { | |
34 | register short *tbl; | |
35 | register char *s; | |
36 | register I32 matches = 0; | |
37 | register I32 ch; | |
38 | register char *send; | |
39 | register char *d; | |
40 | register I32 squash = op->op_private & OPpTRANS_SQUASH; | |
463ee0b2 | 41 | STRLEN len; |
79072805 | 42 | |
a0d0e21e LW |
43 | if (SvREADONLY(sv)) |
44 | croak(no_modify); | |
79072805 | 45 | tbl = (short*) cPVOP->op_pv; |
463ee0b2 | 46 | s = SvPV(sv, len); |
a0d0e21e LW |
47 | if (!len) |
48 | return 0; | |
49 | if (!SvPOKp(sv)) | |
50 | s = SvPV_force(sv, len); | |
51 | (void)SvPOK_only(sv); | |
463ee0b2 | 52 | send = s + len; |
79072805 | 53 | if (!tbl || !s) |
463ee0b2 | 54 | croak("panic: do_trans"); |
79072805 LW |
55 | DEBUG_t( deb("2.TBL\n")); |
56 | if (!op->op_private) { | |
57 | while (s < send) { | |
58 | if ((ch = tbl[*s & 0377]) >= 0) { | |
59 | matches++; | |
60 | *s = ch; | |
61 | } | |
62 | s++; | |
63 | } | |
64 | } | |
65 | else { | |
66 | d = s; | |
67 | while (s < send) { | |
68 | if ((ch = tbl[*s & 0377]) >= 0) { | |
69 | *d = ch; | |
70 | if (matches++ && squash) { | |
71 | if (d[-1] == *d) | |
72 | matches--; | |
73 | else | |
74 | d++; | |
75 | } | |
76 | else | |
77 | d++; | |
78 | } | |
79 | else if (ch == -1) /* -1 is unmapped character */ | |
80 | *d++ = *s; /* -2 is delete character */ | |
81 | s++; | |
82 | } | |
83 | matches += send - d; /* account for disappeared chars */ | |
84 | *d = '\0'; | |
463ee0b2 | 85 | SvCUR_set(sv, d - SvPVX(sv)); |
79072805 LW |
86 | } |
87 | SvSETMAGIC(sv); | |
88 | return matches; | |
89 | } | |
90 | ||
91 | void | |
92 | do_join(sv,del,mark,sp) | |
93 | register SV *sv; | |
94 | SV *del; | |
95 | register SV **mark; | |
96 | register SV **sp; | |
97 | { | |
98 | SV **oldmark = mark; | |
99 | register I32 items = sp - mark; | |
79072805 | 100 | register STRLEN len; |
463ee0b2 LW |
101 | STRLEN delimlen; |
102 | register char *delim = SvPV(del, delimlen); | |
103 | STRLEN tmplen; | |
79072805 LW |
104 | |
105 | mark++; | |
106 | len = (items > 0 ? (delimlen * (items - 1) ) : 0); | |
107 | if (SvTYPE(sv) < SVt_PV) | |
108 | sv_upgrade(sv, SVt_PV); | |
109 | if (SvLEN(sv) < len + items) { /* current length is way too short */ | |
110 | while (items-- > 0) { | |
111 | if (*mark) { | |
463ee0b2 LW |
112 | SvPV(*mark, tmplen); |
113 | len += tmplen; | |
79072805 LW |
114 | } |
115 | mark++; | |
116 | } | |
117 | SvGROW(sv, len + 1); /* so try to pre-extend */ | |
118 | ||
119 | mark = oldmark; | |
120 | items = sp - mark;; | |
121 | ++mark; | |
122 | } | |
123 | ||
463ee0b2 | 124 | if (items-- > 0) { |
8990e307 LW |
125 | char *s; |
126 | ||
127 | if (*mark) { | |
128 | s = SvPV(*mark, tmplen); | |
129 | sv_setpvn(sv, s, tmplen); | |
130 | } | |
131 | else | |
132 | sv_setpv(sv, ""); | |
463ee0b2 LW |
133 | mark++; |
134 | } | |
79072805 LW |
135 | else |
136 | sv_setpv(sv,""); | |
137 | len = delimlen; | |
138 | if (len) { | |
139 | for (; items > 0; items--,mark++) { | |
140 | sv_catpvn(sv,delim,len); | |
141 | sv_catsv(sv,*mark); | |
142 | } | |
143 | } | |
144 | else { | |
145 | for (; items > 0; items--,mark++) | |
146 | sv_catsv(sv,*mark); | |
147 | } | |
148 | SvSETMAGIC(sv); | |
149 | } | |
150 | ||
151 | void | |
152 | do_sprintf(sv,len,sarg) | |
153 | register SV *sv; | |
154 | register I32 len; | |
155 | register SV **sarg; | |
156 | { | |
157 | register char *s; | |
158 | register char *t; | |
159 | register char *f; | |
160 | bool dolong; | |
ecfc5424 | 161 | #ifdef HAS_QUAD |
79072805 | 162 | bool doquad; |
ecfc5424 | 163 | #endif /* HAS_QUAD */ |
79072805 LW |
164 | char ch; |
165 | register char *send; | |
166 | register SV *arg; | |
167 | char *xs; | |
168 | I32 xlen; | |
169 | I32 pre; | |
170 | I32 post; | |
171 | double value; | |
463ee0b2 | 172 | STRLEN arglen; |
79072805 LW |
173 | |
174 | sv_setpv(sv,""); | |
175 | len--; /* don't count pattern string */ | |
a0d0e21e | 176 | t = s = SvPV(*sarg, arglen); /* XXX Don't know t is writeable */ |
463ee0b2 | 177 | send = s + arglen; |
79072805 LW |
178 | sarg++; |
179 | for ( ; ; len--) { | |
180 | ||
181 | /*SUPPRESS 560*/ | |
182 | if (len <= 0 || !(arg = *sarg++)) | |
183 | arg = &sv_no; | |
184 | ||
185 | /*SUPPRESS 530*/ | |
186 | for ( ; t < send && *t != '%'; t++) ; | |
187 | if (t >= send) | |
188 | break; /* end of run_format string, ignore extra args */ | |
189 | f = t; | |
190 | *buf = '\0'; | |
191 | xs = buf; | |
ecfc5424 | 192 | #ifdef HAS_QUAD |
79072805 | 193 | doquad = |
ecfc5424 | 194 | #endif /* HAS_QUAD */ |
79072805 LW |
195 | dolong = FALSE; |
196 | pre = post = 0; | |
197 | for (t++; t < send; t++) { | |
198 | switch (*t) { | |
199 | default: | |
200 | ch = *(++t); | |
201 | *t = '\0'; | |
202 | (void)sprintf(xs,f); | |
203 | len++, sarg--; | |
204 | xlen = strlen(xs); | |
205 | break; | |
748a9306 LW |
206 | case 'n': case '*': |
207 | croak("Use of %c in printf format not supported", *t); | |
208 | ||
79072805 LW |
209 | case '0': case '1': case '2': case '3': case '4': |
210 | case '5': case '6': case '7': case '8': case '9': | |
211 | case '.': case '#': case '-': case '+': case ' ': | |
212 | continue; | |
463ee0b2 | 213 | case 'l': |
ecfc5424 | 214 | #ifdef HAS_QUAD |
79072805 LW |
215 | if (dolong) { |
216 | dolong = FALSE; | |
217 | doquad = TRUE; | |
218 | } else | |
219 | #endif | |
220 | dolong = TRUE; | |
221 | continue; | |
222 | case 'c': | |
223 | ch = *(++t); | |
224 | *t = '\0'; | |
463ee0b2 | 225 | xlen = SvIV(arg); |
79072805 LW |
226 | if (strEQ(f,"%c")) { /* some printfs fail on null chars */ |
227 | *xs = xlen; | |
228 | xs[1] = '\0'; | |
229 | xlen = 1; | |
230 | } | |
231 | else { | |
232 | (void)sprintf(xs,f,xlen); | |
233 | xlen = strlen(xs); | |
234 | } | |
235 | break; | |
236 | case 'D': | |
237 | dolong = TRUE; | |
238 | /* FALL THROUGH */ | |
239 | case 'd': | |
240 | ch = *(++t); | |
241 | *t = '\0'; | |
ecfc5424 | 242 | #ifdef HAS_QUAD |
79072805 | 243 | if (doquad) |
ecfc5424 | 244 | (void)sprintf(buf,s,(Quad_t)SvNV(arg)); |
79072805 LW |
245 | else |
246 | #endif | |
247 | if (dolong) | |
463ee0b2 | 248 | (void)sprintf(xs,f,(long)SvNV(arg)); |
79072805 | 249 | else |
463ee0b2 | 250 | (void)sprintf(xs,f,SvIV(arg)); |
79072805 LW |
251 | xlen = strlen(xs); |
252 | break; | |
253 | case 'X': case 'O': | |
254 | dolong = TRUE; | |
255 | /* FALL THROUGH */ | |
256 | case 'x': case 'o': case 'u': | |
257 | ch = *(++t); | |
258 | *t = '\0'; | |
463ee0b2 | 259 | value = SvNV(arg); |
ecfc5424 | 260 | #ifdef HAS_QUAD |
79072805 | 261 | if (doquad) |
ecfc5424 | 262 | (void)sprintf(buf,s,(unsigned Quad_t)value); |
79072805 LW |
263 | else |
264 | #endif | |
265 | if (dolong) | |
266 | (void)sprintf(xs,f,U_L(value)); | |
267 | else | |
268 | (void)sprintf(xs,f,U_I(value)); | |
269 | xlen = strlen(xs); | |
270 | break; | |
271 | case 'E': case 'e': case 'f': case 'G': case 'g': | |
272 | ch = *(++t); | |
273 | *t = '\0'; | |
463ee0b2 | 274 | (void)sprintf(xs,f,SvNV(arg)); |
79072805 LW |
275 | xlen = strlen(xs); |
276 | break; | |
277 | case 's': | |
278 | ch = *(++t); | |
279 | *t = '\0'; | |
463ee0b2 LW |
280 | xs = SvPV(arg, arglen); |
281 | xlen = (I32)arglen; | |
79072805 LW |
282 | if (strEQ(f,"%s")) { /* some printfs fail on >128 chars */ |
283 | break; /* so handle simple cases */ | |
284 | } | |
285 | else if (f[1] == '-') { | |
93a17b20 | 286 | char *mp = strchr(f, '.'); |
79072805 LW |
287 | I32 min = atoi(f+2); |
288 | ||
289 | if (mp) { | |
290 | I32 max = atoi(mp+1); | |
291 | ||
292 | if (xlen > max) | |
293 | xlen = max; | |
294 | } | |
295 | if (xlen < min) | |
296 | post = min - xlen; | |
297 | break; | |
298 | } | |
299 | else if (isDIGIT(f[1])) { | |
93a17b20 | 300 | char *mp = strchr(f, '.'); |
79072805 LW |
301 | I32 min = atoi(f+1); |
302 | ||
303 | if (mp) { | |
304 | I32 max = atoi(mp+1); | |
305 | ||
306 | if (xlen > max) | |
307 | xlen = max; | |
308 | } | |
309 | if (xlen < min) | |
310 | pre = min - xlen; | |
311 | break; | |
312 | } | |
313 | strcpy(tokenbuf+64,f); /* sprintf($s,...$s...) */ | |
314 | *t = ch; | |
315 | (void)sprintf(buf,tokenbuf+64,xs); | |
316 | xs = buf; | |
317 | xlen = strlen(xs); | |
318 | break; | |
319 | } | |
320 | /* end of switch, copy results */ | |
321 | *t = ch; | |
322 | SvGROW(sv, SvCUR(sv) + (f - s) + xlen + 1 + pre + post); | |
323 | sv_catpvn(sv, s, f - s); | |
324 | if (pre) { | |
463ee0b2 | 325 | repeatcpy(SvPVX(sv) + SvCUR(sv), " ", 1, pre); |
79072805 LW |
326 | SvCUR(sv) += pre; |
327 | } | |
328 | sv_catpvn(sv, xs, xlen); | |
329 | if (post) { | |
463ee0b2 | 330 | repeatcpy(SvPVX(sv) + SvCUR(sv), " ", 1, post); |
79072805 LW |
331 | SvCUR(sv) += post; |
332 | } | |
333 | s = t; | |
334 | break; /* break from for loop */ | |
335 | } | |
336 | } | |
337 | sv_catpvn(sv, s, t - s); | |
338 | SvSETMAGIC(sv); | |
339 | } | |
340 | ||
341 | void | |
342 | do_vecset(sv) | |
343 | SV *sv; | |
344 | { | |
345 | SV *targ = LvTARG(sv); | |
346 | register I32 offset; | |
347 | register I32 size; | |
8990e307 LW |
348 | register unsigned char *s; |
349 | register unsigned long lval; | |
79072805 | 350 | I32 mask; |
a0d0e21e LW |
351 | STRLEN targlen; |
352 | STRLEN len; | |
79072805 | 353 | |
8990e307 LW |
354 | if (!targ) |
355 | return; | |
a0d0e21e | 356 | s = (unsigned char*)SvPV_force(targ, targlen); |
8990e307 | 357 | lval = U_L(SvNV(sv)); |
79072805 LW |
358 | offset = LvTARGOFF(sv); |
359 | size = LvTARGLEN(sv); | |
a0d0e21e LW |
360 | |
361 | len = (offset + size + 7) / 8; | |
362 | if (len > targlen) { | |
363 | s = (unsigned char*)SvGROW(targ, len + 1); | |
364 | (void)memzero(s + targlen, len - targlen + 1); | |
365 | SvCUR_set(targ, len); | |
366 | } | |
367 | ||
79072805 LW |
368 | if (size < 8) { |
369 | mask = (1 << size) - 1; | |
370 | size = offset & 7; | |
371 | lval &= mask; | |
372 | offset >>= 3; | |
373 | s[offset] &= ~(mask << size); | |
374 | s[offset] |= lval << size; | |
375 | } | |
376 | else { | |
a0d0e21e | 377 | offset >>= 3; |
79072805 LW |
378 | if (size == 8) |
379 | s[offset] = lval & 255; | |
380 | else if (size == 16) { | |
381 | s[offset] = (lval >> 8) & 255; | |
382 | s[offset+1] = lval & 255; | |
383 | } | |
384 | else if (size == 32) { | |
385 | s[offset] = (lval >> 24) & 255; | |
386 | s[offset+1] = (lval >> 16) & 255; | |
387 | s[offset+2] = (lval >> 8) & 255; | |
388 | s[offset+3] = lval & 255; | |
389 | } | |
390 | } | |
391 | } | |
392 | ||
393 | void | |
394 | do_chop(astr,sv) | |
395 | register SV *astr; | |
396 | register SV *sv; | |
397 | { | |
463ee0b2 | 398 | STRLEN len; |
a0d0e21e LW |
399 | char *s; |
400 | ||
79072805 | 401 | if (SvTYPE(sv) == SVt_PVAV) { |
a0d0e21e LW |
402 | register I32 i; |
403 | I32 max; | |
404 | AV* av = (AV*)sv; | |
405 | max = AvFILL(av); | |
406 | for (i = 0; i <= max; i++) { | |
407 | sv = (SV*)av_fetch(av, i, FALSE); | |
408 | if (sv && ((sv = *(SV**)sv), sv != &sv_undef)) | |
409 | do_chop(astr, sv); | |
410 | } | |
411 | return; | |
79072805 LW |
412 | } |
413 | if (SvTYPE(sv) == SVt_PVHV) { | |
a0d0e21e LW |
414 | HV* hv = (HV*)sv; |
415 | HE* entry; | |
416 | (void)hv_iterinit(hv); | |
417 | /*SUPPRESS 560*/ | |
418 | while (entry = hv_iternext(hv)) | |
419 | do_chop(astr,hv_iterval(hv,entry)); | |
420 | return; | |
79072805 | 421 | } |
a0d0e21e | 422 | s = SvPV(sv, len); |
748a9306 | 423 | if (len && !SvPOK(sv)) |
a0d0e21e LW |
424 | s = SvPV_force(sv, len); |
425 | if (s && len) { | |
426 | s += --len; | |
427 | sv_setpvn(astr, s, 1); | |
428 | *s = '\0'; | |
429 | SvCUR_set(sv, len); | |
430 | SvNIOK_off(sv); | |
79072805 LW |
431 | } |
432 | else | |
a0d0e21e LW |
433 | sv_setpvn(astr, "", 0); |
434 | SvSETMAGIC(sv); | |
435 | } | |
436 | ||
437 | I32 | |
438 | do_chomp(sv) | |
439 | register SV *sv; | |
440 | { | |
441 | register I32 count = 0; | |
442 | STRLEN len; | |
443 | char *s; | |
444 | ||
445 | if (SvTYPE(sv) == SVt_PVAV) { | |
446 | register I32 i; | |
447 | I32 max; | |
448 | AV* av = (AV*)sv; | |
449 | max = AvFILL(av); | |
450 | for (i = 0; i <= max; i++) { | |
451 | sv = (SV*)av_fetch(av, i, FALSE); | |
452 | if (sv && ((sv = *(SV**)sv), sv != &sv_undef)) | |
453 | count += do_chomp(sv); | |
454 | } | |
455 | return count; | |
456 | } | |
457 | if (SvTYPE(sv) == SVt_PVHV) { | |
458 | HV* hv = (HV*)sv; | |
459 | HE* entry; | |
460 | (void)hv_iterinit(hv); | |
461 | /*SUPPRESS 560*/ | |
462 | while (entry = hv_iternext(hv)) | |
463 | count += do_chomp(hv_iterval(hv,entry)); | |
464 | return count; | |
465 | } | |
466 | s = SvPV(sv, len); | |
467 | if (len && !SvPOKp(sv)) | |
468 | s = SvPV_force(sv, len); | |
469 | if (s && len) { | |
470 | s += --len; | |
471 | if (rspara) { | |
472 | if (*s != '\n') | |
473 | goto nope; | |
474 | ++count; | |
475 | while (len && s[-1] == '\n') { | |
476 | --len; | |
477 | --s; | |
478 | ++count; | |
479 | } | |
480 | } | |
481 | else if (rslen == 1) { | |
482 | if (*s != rschar) | |
483 | goto nope; | |
484 | ++count; | |
485 | } | |
486 | else { | |
487 | if (len < rslen - 1) | |
488 | goto nope; | |
489 | len -= rslen - 1; | |
490 | s -= rslen - 1; | |
491 | if (bcmp(s, rs, rslen)) | |
492 | goto nope; | |
493 | count += rslen; | |
494 | } | |
495 | ||
496 | *s = '\0'; | |
497 | SvCUR_set(sv, len); | |
498 | SvNIOK_off(sv); | |
499 | } | |
500 | nope: | |
501 | SvSETMAGIC(sv); | |
502 | return count; | |
503 | } | |
79072805 LW |
504 | |
505 | void | |
506 | do_vop(optype,sv,left,right) | |
507 | I32 optype; | |
508 | SV *sv; | |
509 | SV *left; | |
510 | SV *right; | |
511 | { | |
512 | #ifdef LIBERAL | |
513 | register long *dl; | |
514 | register long *ll; | |
515 | register long *rl; | |
516 | #endif | |
517 | register char *dc; | |
463ee0b2 LW |
518 | STRLEN leftlen; |
519 | STRLEN rightlen; | |
520 | register char *lc = SvPV(left, leftlen); | |
521 | register char *rc = SvPV(right, rightlen); | |
79072805 | 522 | register I32 len; |
a0d0e21e | 523 | I32 lensave; |
79072805 | 524 | |
a0d0e21e | 525 | dc = SvPV_force(sv,na); |
93a17b20 | 526 | len = leftlen < rightlen ? leftlen : rightlen; |
a0d0e21e LW |
527 | lensave = len; |
528 | if (SvCUR(sv) < len) { | |
529 | dc = SvGROW(sv,len + 1); | |
530 | (void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1); | |
79072805 | 531 | } |
a0d0e21e | 532 | SvCUR_set(sv, len); |
748a9306 | 533 | *SvEND(sv) = '\0'; |
a0d0e21e | 534 | (void)SvPOK_only(sv); |
79072805 LW |
535 | #ifdef LIBERAL |
536 | if (len >= sizeof(long)*4 && | |
537 | !((long)dc % sizeof(long)) && | |
538 | !((long)lc % sizeof(long)) && | |
539 | !((long)rc % sizeof(long))) /* It's almost always aligned... */ | |
540 | { | |
541 | I32 remainder = len % (sizeof(long)*4); | |
542 | len /= (sizeof(long)*4); | |
543 | ||
544 | dl = (long*)dc; | |
545 | ll = (long*)lc; | |
546 | rl = (long*)rc; | |
547 | ||
548 | switch (optype) { | |
549 | case OP_BIT_AND: | |
550 | while (len--) { | |
551 | *dl++ = *ll++ & *rl++; | |
552 | *dl++ = *ll++ & *rl++; | |
553 | *dl++ = *ll++ & *rl++; | |
554 | *dl++ = *ll++ & *rl++; | |
555 | } | |
556 | break; | |
a0d0e21e | 557 | case OP_BIT_XOR: |
79072805 LW |
558 | while (len--) { |
559 | *dl++ = *ll++ ^ *rl++; | |
560 | *dl++ = *ll++ ^ *rl++; | |
561 | *dl++ = *ll++ ^ *rl++; | |
562 | *dl++ = *ll++ ^ *rl++; | |
563 | } | |
564 | break; | |
565 | case OP_BIT_OR: | |
566 | while (len--) { | |
567 | *dl++ = *ll++ | *rl++; | |
568 | *dl++ = *ll++ | *rl++; | |
569 | *dl++ = *ll++ | *rl++; | |
570 | *dl++ = *ll++ | *rl++; | |
571 | } | |
572 | } | |
573 | ||
574 | dc = (char*)dl; | |
575 | lc = (char*)ll; | |
576 | rc = (char*)rl; | |
577 | ||
578 | len = remainder; | |
579 | } | |
580 | #endif | |
a0d0e21e LW |
581 | { |
582 | char *lsave = lc; | |
583 | char *rsave = rc; | |
584 | ||
585 | switch (optype) { | |
586 | case OP_BIT_AND: | |
587 | while (len--) | |
588 | *dc++ = *lc++ & *rc++; | |
589 | break; | |
590 | case OP_BIT_XOR: | |
591 | while (len--) | |
592 | *dc++ = *lc++ ^ *rc++; | |
593 | goto mop_up; | |
594 | case OP_BIT_OR: | |
595 | while (len--) | |
596 | *dc++ = *lc++ | *rc++; | |
597 | mop_up: | |
598 | len = lensave; | |
599 | if (rightlen > len) | |
600 | sv_catpvn(sv, rsave + len, rightlen - len); | |
601 | else if (leftlen > len) | |
602 | sv_catpvn(sv, lsave + len, leftlen - len); | |
603 | break; | |
604 | } | |
79072805 LW |
605 | } |
606 | } | |
463ee0b2 LW |
607 | |
608 | OP * | |
609 | do_kv(ARGS) | |
610 | dARGS | |
611 | { | |
612 | dSP; | |
613 | HV *hv = (HV*)POPs; | |
463ee0b2 LW |
614 | I32 i; |
615 | register HE *entry; | |
616 | char *tmps; | |
617 | SV *tmpstr; | |
a0d0e21e LW |
618 | I32 dokeys = (op->op_type == OP_KEYS); |
619 | I32 dovalues = (op->op_type == OP_VALUES); | |
620 | ||
621 | if (op->op_type == OP_RV2HV || op->op_type == OP_PADHV) | |
622 | dokeys = dovalues = TRUE; | |
463ee0b2 LW |
623 | |
624 | if (!hv) | |
625 | RETURN; | |
748a9306 LW |
626 | |
627 | (void)hv_iterinit(hv); /* always reset iterator regardless */ | |
628 | ||
463ee0b2 LW |
629 | if (GIMME != G_ARRAY) { |
630 | dTARGET; | |
631 | ||
8990e307 | 632 | if (!SvRMAGICAL(hv) || !mg_find((SV*)hv,'P')) |
463ee0b2 LW |
633 | i = HvKEYS(hv); |
634 | else { | |
635 | i = 0; | |
463ee0b2 LW |
636 | /*SUPPRESS 560*/ |
637 | while (entry = hv_iternext(hv)) { | |
638 | i++; | |
639 | } | |
640 | } | |
641 | PUSHi( i ); | |
642 | RETURN; | |
643 | } | |
644 | ||
645 | /* Guess how much room we need. hv_max may be a few too many. Oh well. */ | |
646 | EXTEND(sp, HvMAX(hv) * (dokeys + dovalues)); | |
647 | ||
463ee0b2 LW |
648 | PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */ |
649 | while (entry = hv_iternext(hv)) { | |
650 | SPAGAIN; | |
651 | if (dokeys) { | |
652 | tmps = hv_iterkey(entry,&i); /* won't clobber stack_sp */ | |
653 | if (!i) | |
654 | tmps = ""; | |
655 | XPUSHs(sv_2mortal(newSVpv(tmps,i))); | |
656 | } | |
657 | if (dovalues) { | |
658 | tmpstr = NEWSV(45,0); | |
659 | PUTBACK; | |
660 | sv_setsv(tmpstr,hv_iterval(hv,entry)); | |
661 | SPAGAIN; | |
662 | DEBUG_H( { | |
663 | sprintf(buf,"%d%%%d=%d\n",entry->hent_hash, | |
664 | HvMAX(hv)+1,entry->hent_hash & HvMAX(hv)); | |
665 | sv_setpv(tmpstr,buf); | |
666 | } ) | |
667 | XPUSHs(sv_2mortal(tmpstr)); | |
668 | } | |
669 | PUTBACK; | |
670 | } | |
671 | return NORMAL; | |
672 | } | |
673 |