Annotation of mandoc/mdoc.c, Revision 1.4
1.4 ! kristaps 1: /* $Id: mdoc.c,v 1.3 2008/12/17 17:18:38 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <assert.h>
20: #include <ctype.h>
21: #include <err.h>
22: #include <stdarg.h>
23: #include <stdlib.h>
24: #include <stdio.h>
25: #include <string.h>
26:
27: #include "private.h"
28:
29: const char *const __mdoc_macronames[MDOC_MAX] = {
30: "\\\"", "Dd", "Dt", "Os",
31: "Sh", "Ss", "Pp", "D1",
32: "Dl", "Bd", "Ed", "Bl",
33: "El", "It", "Ad", "An",
34: "Ar", "Cd", "Cm", "Dv",
35: "Er", "Ev", "Ex", "Fa",
36: "Fd", "Fl", "Fn", "Ft",
37: "Ic", "In", "Li", "Nd",
38: "Nm", "Op", "Ot", "Pa",
39: "Rv", "St", "Va", "Vt",
40: /* LINTED */
41: "Xr", "\%A", "\%B", "\%D",
42: /* LINTED */
43: "\%I", "\%J", "\%N", "\%O",
44: /* LINTED */
45: "\%P", "\%R", "\%T", "\%V",
46: "Ac", "Ao", "Aq", "At",
47: "Bc", "Bf", "Bo", "Bq",
48: "Bsx", "Bx", "Db", "Dc",
49: "Do", "Dq", "Ec", "Ef",
50: "Em", "Eo", "Fx", "Ms",
51: "No", "Ns", "Nx", "Ox",
52: "Pc", "Pf", "Po", "Pq",
53: "Qc", "Ql", "Qo", "Qq",
54: "Re", "Rs", "Sc", "So",
55: "Sq", "Sm", "Sx", "Sy",
56: "Tn", "Ux", "Xc", "Xo",
57: "Fo", "Fc", "Oo", "Oc",
58: "Bk", "Ek", "Bt", "Hf",
59: "Fr", "Ud",
60: };
61:
62: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
63: "split", "nosplit", "ragged",
64: "unfilled", "literal", "file",
65: "offset", "bullet", "dash",
66: "hyphen", "item", "enum",
67: "tag", "diag", "hang",
68: "ohang", "inset", "column",
69: "width", "compact", "std",
70: "p1003.1-88", "p1003.1-90", "p1003.1-96",
71: "p1003.1-2001", "p1003.1-2004", "p1003.1",
72: "p1003.1b", "p1003.1b-93", "p1003.1c-95",
73: "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
74: "p1003.2", "p1387.2", "isoC-90",
75: "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
76: "isoC-99", "ansiC", "ansiC-89",
77: "ansiC-99", "ieee754", "iso8802-3",
78: "xpg3", "xpg4", "xpg4.2",
79: "xpg4.3", "xbd5", "xcu5",
80: "xsh5", "xns5", "xns5.2d2.0",
81: "xcurses4.2", "susv2", "susv3",
82: "svid4", "filled", "words",
83: };
84:
85: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
86: { NULL, 0 }, /* \" */
1.3 kristaps 87: { macro_prologue_ddate, 0 }, /* Dd */
88: { macro_prologue_dtitle, 0 }, /* Dt */
1.4 ! kristaps 89: { macro_prologue_os, 0 }, /* Os */
1.1 kristaps 90: { macro_scoped_implicit, 0 }, /* Sh */
91: { macro_scoped_implicit, 0 }, /* Ss */
92: { NULL, 0 }, /* Pp */
93: { NULL, 0 }, /* D1 */
94: { NULL, 0 }, /* Dl */
95: { NULL, 0 }, /* Bd */
96: { NULL, 0 }, /* Ed */
1.4 ! kristaps 97: { macro_scoped_explicit, MDOC_EXPLICIT }, /* Bl */
! 98: { macro_scoped_explicit, 0 }, /* El */
1.1 kristaps 99: { NULL, 0 }, /* It */
100: { macro_text, MDOC_CALLABLE }, /* Ad */
101: { NULL, 0 }, /* An */
102: { macro_text, MDOC_CALLABLE }, /* Ar */
103: { NULL, 0 }, /* Cd */
104: { macro_text, MDOC_CALLABLE }, /* Cm */
105: { macro_text, MDOC_CALLABLE }, /* Dv */
106: { macro_text, MDOC_CALLABLE }, /* Er */
107: { macro_text, MDOC_CALLABLE }, /* Ev */
108: { NULL, 0 }, /* Ex */
109: { macro_text, MDOC_CALLABLE }, /* Fa */
110: { NULL, 0 }, /* Fd */
111: { macro_text, MDOC_CALLABLE }, /* Fl */
112: { NULL, 0 }, /* Fn */
113: { macro_text, 0 }, /* Ft */
114: { macro_text, MDOC_CALLABLE }, /* Ic */
115: { NULL, 0 }, /* In */
116: { macro_text, MDOC_CALLABLE }, /* Li */
117: { NULL, 0 }, /* Nd */
118: { NULL, 0 }, /* Nm */
119: { NULL, 0 }, /* Op */
120: { NULL, 0 }, /* Ot */
121: { macro_text, MDOC_CALLABLE }, /* Pa */
122: { NULL, 0 }, /* Rv */
123: { NULL, 0 }, /* St */
124: { macro_text, MDOC_CALLABLE }, /* Va */
125: { macro_text, MDOC_CALLABLE }, /* Vt */
126: { NULL, 0 }, /* Xr */
127: { NULL, 0 }, /* %A */
128: { NULL, 0 }, /* %B */
129: { NULL, 0 }, /* %D */
130: { NULL, 0 }, /* %I */
131: { NULL, 0 }, /* %J */
132: { NULL, 0 }, /* %N */
133: { NULL, 0 }, /* %O */
134: { NULL, 0 }, /* %P */
135: { NULL, 0 }, /* %R */
136: { NULL, 0 }, /* %T */
137: { NULL, 0 }, /* %V */
138: { NULL, 0 }, /* Ac */
139: { NULL, 0 }, /* Ao */
140: { NULL, 0 }, /* Aq */
141: { NULL, 0 }, /* At */
142: { NULL, 0 }, /* Bc */
143: { NULL, 0 }, /* Bf */
144: { NULL, 0 }, /* Bo */
145: { NULL, 0 }, /* Bq */
146: { NULL, 0 }, /* Bsx */
147: { NULL, 0 }, /* Bx */
148: { NULL, 0 }, /* Db */
149: { NULL, 0 }, /* Dc */
150: { NULL, 0 }, /* Do */
151: { NULL, 0 }, /* Dq */
152: { NULL, 0 }, /* Ec */
153: { NULL, 0 }, /* Ef */
154: { macro_text, MDOC_CALLABLE }, /* Em */
155: { NULL, 0 }, /* Eo */
156: { NULL, 0 }, /* Fx */
157: { macro_text, 0 }, /* Ms */
158: { NULL, 0 }, /* No */
159: { NULL, 0 }, /* Ns */
160: { NULL, 0 }, /* Nx */
161: { NULL, 0 }, /* Ox */
162: { NULL, 0 }, /* Pc */
163: { NULL, 0 }, /* Pf */
164: { NULL, 0 }, /* Po */
165: { NULL, 0 }, /* Pq */
166: { NULL, 0 }, /* Qc */
167: { NULL, 0 }, /* Ql */
168: { NULL, 0 }, /* Qo */
169: { NULL, 0 }, /* Qq */
170: { NULL, 0 }, /* Re */
171: { NULL, 0 }, /* Rs */
172: { NULL, 0 }, /* Sc */
173: { NULL, 0 }, /* So */
174: { NULL, 0 }, /* Sq */
175: { NULL, 0 }, /* Sm */
176: { NULL, 0 }, /* Sx */
177: { NULL, 0 }, /* Sy */
178: { macro_text, MDOC_CALLABLE }, /* Tn */
179: { NULL, 0 }, /* Ux */
180: { NULL, 0 }, /* Xc */
181: { NULL, 0 }, /* Xo */
182: { NULL, 0 }, /* Fo */
183: { NULL, 0 }, /* Fc */
184: { NULL, 0 }, /* Oo */
185: { NULL, 0 }, /* Oc */
186: { NULL, 0 }, /* Bk */
187: { NULL, 0 }, /* Ek */
188: { NULL, 0 }, /* Bt */
189: { NULL, 0 }, /* Hf */
190: { NULL, 0 }, /* Fr */
191: { NULL, 0 }, /* Ud */
192: };
193:
194: const char * const *mdoc_macronames = __mdoc_macronames;
195: const char * const *mdoc_argnames = __mdoc_argnames;
196: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
197:
198:
199: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
200: static void argfree(size_t, struct mdoc_arg *);
201: static void argcpy(struct mdoc_arg *,
202: const struct mdoc_arg *);
203: static char **paramdup(size_t, const char **);
204: static void paramfree(size_t, char **);
205:
206: static void mdoc_node_freelist(struct mdoc_node *);
207: static void mdoc_node_append(struct mdoc *, int,
208: struct mdoc_node *);
209: static void mdoc_elem_free(struct mdoc_elem *);
210: static void mdoc_text_free(struct mdoc_text *);
211:
212:
213: const struct mdoc_node *
214: mdoc_result(struct mdoc *mdoc)
215: {
216:
217: return(mdoc->first);
218: }
219:
220:
221: void
222: mdoc_free(struct mdoc *mdoc)
223: {
224:
225: if (mdoc->first)
226: mdoc_node_freelist(mdoc->first);
227: if (mdoc->htab)
1.4 ! kristaps 228: mdoc_tokhash_free(mdoc->htab);
1.1 kristaps 229:
230: free(mdoc);
231: }
232:
233:
234: struct mdoc *
235: mdoc_alloc(void *data, const struct mdoc_cb *cb)
236: {
237: struct mdoc *p;
238:
239: p = xcalloc(1, sizeof(struct mdoc));
240:
241: p->data = data;
242: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
243:
1.4 ! kristaps 244: p->htab = mdoc_tokhash_alloc();
1.1 kristaps 245: return(p);
246: }
247:
248:
249: int
250: mdoc_parseln(struct mdoc *mdoc, char *buf)
251: {
252: int c, i;
253: char tmp[5];
254:
255: if ('.' != *buf) {
256: /* TODO. */
257: return(1);
258: }
259:
260: if (buf[1] && '\\' == buf[1])
261: if (buf[2] && '\"' == buf[2])
262: return(1);
263:
264: i = 1;
265: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
266: i++;
267:
268: if (i == (int)sizeof(tmp))
269: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
270: else if (i <= 2)
271: return(mdoc_err(mdoc, -1, 1, ERR_MACRO_NOTSUP));
272:
273: i--;
274:
1.2 kristaps 275: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 276: tmp[i++] = 0;
277:
278: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp)))
279: return(mdoc_err(mdoc, c, 1, ERR_MACRO_NOTSUP));
280:
281: while (buf[i] && isspace(buf[i]))
282: i++;
283:
1.3 kristaps 284: return(mdoc_macro(mdoc, c, 1, &i, buf));
1.1 kristaps 285: }
286:
287:
288: void
289: mdoc_msg(struct mdoc *mdoc, int pos, const char *fmt, ...)
290: {
291: va_list ap;
292: char buf[256];
293:
294: if (NULL == mdoc->cb.mdoc_msg)
295: return;
296:
297: va_start(ap, fmt);
298: (void)vsnprintf(buf, sizeof(buf), fmt, ap);
299: va_end(ap);
300:
301: (*mdoc->cb.mdoc_msg)(mdoc->data, pos, buf);
302: }
303:
304:
305: int
306: mdoc_err(struct mdoc *mdoc, int tok, int pos, enum mdoc_err type)
307: {
308:
309: if (NULL == mdoc->cb.mdoc_err)
310: return(0);
311: return((*mdoc->cb.mdoc_err)(mdoc->data, tok, pos, type));
312: }
313:
314:
315: int
316: mdoc_warn(struct mdoc *mdoc, int tok, int pos, enum mdoc_warn type)
317: {
318:
319: if (NULL == mdoc->cb.mdoc_warn)
320: return(0);
321: return((*mdoc->cb.mdoc_warn)(mdoc->data, tok, pos, type));
322: }
323:
324:
325: int
326: mdoc_macro(struct mdoc *mdoc, int tok, int ppos, int *pos, char *buf)
327: {
328:
329: if (NULL == (mdoc_macros[tok].fp)) {
330: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTSUP);
331: return(0);
1.3 kristaps 332: }
333:
334: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
1.1 kristaps 335: (void)mdoc_err(mdoc, tok, ppos, ERR_MACRO_NOTCALL);
336: return(0);
337: }
338:
339: return((*mdoc_macros[tok].fp)(mdoc, tok, ppos, pos, buf));
340: }
341:
342:
343: static void
344: mdoc_node_append(struct mdoc *mdoc, int pos, struct mdoc_node *p)
345: {
346: const char *nn, *on, *nt, *ot, *act;
347:
348: switch (p->type) {
349: case (MDOC_TEXT):
350: nn = "<text>";
351: nt = "text";
352: break;
353: case (MDOC_BODY):
354: nn = mdoc_macronames[p->data.body.tok];
355: nt = "body";
356: break;
357: case (MDOC_ELEM):
358: nn = mdoc_macronames[p->data.elem.tok];
359: nt = "elem";
360: break;
361: case (MDOC_HEAD):
362: nn = mdoc_macronames[p->data.head.tok];
363: nt = "head";
364: break;
365: case (MDOC_BLOCK):
366: nn = mdoc_macronames[p->data.block.tok];
367: nt = "block";
368: break;
1.2 kristaps 369: default:
370: abort();
371: /* NOTREACHED */
1.1 kristaps 372: }
373:
374: if (NULL == mdoc->first) {
375: assert(NULL == mdoc->last);
376: mdoc->first = p;
377: mdoc->last = p;
378: mdoc_msg(mdoc, pos, "parse: root %s `%s'", nt, nn);
379: return;
380: }
381:
382: switch (mdoc->last->type) {
383: case (MDOC_TEXT):
384: on = "<text>";
385: ot = "text";
386: break;
387: case (MDOC_BODY):
388: on = mdoc_macronames[mdoc->last->data.body.tok];
389: ot = "body";
390: break;
391: case (MDOC_ELEM):
392: on = mdoc_macronames[mdoc->last->data.elem.tok];
393: ot = "elem";
394: break;
395: case (MDOC_HEAD):
396: on = mdoc_macronames[mdoc->last->data.head.tok];
397: ot = "head";
398: break;
399: case (MDOC_BLOCK):
400: on = mdoc_macronames[mdoc->last->data.block.tok];
401: ot = "block";
402: break;
1.2 kristaps 403: default:
404: abort();
405: /* NOTREACHED */
1.1 kristaps 406: }
407:
408: switch (p->type) {
409: case (MDOC_BODY):
410: switch (mdoc->last->type) {
411: case (MDOC_BLOCK):
412: p->parent = mdoc->last;
413: mdoc->last->child = p;
414: act = "child";
415: break;
416: case (MDOC_HEAD):
417: p->parent = mdoc->last->parent;
418: mdoc->last->next = p;
419: act = "sibling";
420: break;
421: default:
422: abort();
423: /* NOTREACHED */
424: }
425: break;
426: case (MDOC_HEAD):
427: assert(mdoc->last->type == MDOC_BLOCK);
428: p->parent = mdoc->last;
429: mdoc->last->child = p;
430: act = "child";
431: break;
432: default:
433: switch (mdoc->last->type) {
434: case (MDOC_BODY):
435: /* FALLTHROUGH */
436: case (MDOC_HEAD):
437: p->parent = mdoc->last->parent;
438: mdoc->last->child = p;
439: act = "child";
440: break;
441: default:
442: p->parent = mdoc->last->parent;
443: mdoc->last->next = p;
444: act = "sibling";
445: break;
446: }
447: break;
448: }
449:
450: mdoc_msg(mdoc, pos, "parse: %s `%s' %s %s `%s'",
451: nt, nn, act, ot, on);
452: mdoc->last = p;
453: }
454:
455:
456: void
457: mdoc_head_alloc(struct mdoc *mdoc, int pos, int tok,
458: size_t paramsz, const char **params)
459: {
460: struct mdoc_node *p;
461:
462: assert(mdoc->first);
463: assert(mdoc->last);
464: assert(mdoc->last->type == MDOC_BLOCK);
465: assert(mdoc->last->data.block.tok == tok);
466:
467: p = xcalloc(1, sizeof(struct mdoc_node));
468: p->type = MDOC_HEAD;
469: p->data.head.tok = tok;
470: p->data.head.sz = paramsz;
471: p->data.head.args = paramdup(paramsz, params);
472:
473: mdoc_node_append(mdoc, pos, p);
474: }
475:
476:
477: void
478: mdoc_body_alloc(struct mdoc *mdoc, int pos, int tok)
479: {
480: struct mdoc_node *p;
481:
482: assert(mdoc->first);
483: assert(mdoc->last);
484: assert((mdoc->last->type == MDOC_BLOCK) ||
485: (mdoc->last->type == MDOC_HEAD));
486: if (mdoc->last->type == MDOC_BLOCK)
487: assert(mdoc->last->data.block.tok == tok);
488: else
489: assert(mdoc->last->data.head.tok == tok);
490:
491: p = xcalloc(1, sizeof(struct mdoc_node));
492:
493: p->type = MDOC_BODY;
494: p->data.body.tok = tok;
495:
496: mdoc_node_append(mdoc, pos, p);
497: }
498:
499:
500: void
501: mdoc_block_alloc(struct mdoc *mdoc, int pos, int tok,
502: size_t argsz, const struct mdoc_arg *args)
503: {
504: struct mdoc_node *p;
505:
506: p = xcalloc(1, sizeof(struct mdoc_node));
507:
508: p->type = MDOC_BLOCK;
509: p->data.block.tok = tok;
510: p->data.block.argc = argsz;
511: p->data.block.argv = argdup(argsz, args);
512:
513: mdoc_node_append(mdoc, pos, p);
514: }
515:
516:
517: void
518: mdoc_elem_alloc(struct mdoc *mdoc, int pos, int tok,
519: size_t argsz, const struct mdoc_arg *args,
520: size_t paramsz, const char **params)
521: {
522: struct mdoc_node *p;
523:
524: p = xcalloc(1, sizeof(struct mdoc_node));
525: p->type = MDOC_ELEM;
526: p->data.elem.tok = tok;
527: p->data.elem.sz = paramsz;
528: p->data.elem.args = paramdup(paramsz, params);
529: p->data.elem.argc = argsz;
530: p->data.elem.argv = argdup(argsz, args);
531:
532: mdoc_node_append(mdoc, pos, p);
533: }
534:
535:
536: void
537: mdoc_word_alloc(struct mdoc *mdoc, int pos, const char *word)
538: {
539: struct mdoc_node *p;
540:
541: p = xcalloc(1, sizeof(struct mdoc_node));
542: p->type = MDOC_TEXT;
543: p->data.text.string = xstrdup(word);
544:
545: mdoc_node_append(mdoc, pos, p);
546: }
547:
548:
549: static void
550: argfree(size_t sz, struct mdoc_arg *p)
551: {
1.2 kristaps 552: int i, j;
1.1 kristaps 553:
554: if (0 == sz)
555: return;
556:
557: assert(p);
1.2 kristaps 558: /* LINTED */
559: for (i = 0; i < (int)sz; i++)
1.1 kristaps 560: if (p[i].sz > 0) {
561: assert(p[i].value);
1.2 kristaps 562: /* LINTED */
563: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 564: free(p[i].value[j]);
565: }
566: free(p);
567: }
568:
569:
570: static void
571: mdoc_elem_free(struct mdoc_elem *p)
572: {
573:
574: paramfree(p->sz, p->args);
575: argfree(p->argc, p->argv);
576: }
577:
578:
579: static void
580: mdoc_block_free(struct mdoc_block *p)
581: {
582:
583: argfree(p->argc, p->argv);
584: }
585:
586:
587: static void
588: mdoc_text_free(struct mdoc_text *p)
589: {
590:
591: if (p->string)
592: free(p->string);
593: }
594:
595:
596: static void
597: mdoc_head_free(struct mdoc_head *p)
598: {
599:
600: paramfree(p->sz, p->args);
601: }
602:
603:
604: void
605: mdoc_node_free(struct mdoc_node *p)
606: {
607:
608: switch (p->type) {
609: case (MDOC_TEXT):
610: mdoc_text_free(&p->data.text);
611: break;
612: case (MDOC_ELEM):
613: mdoc_elem_free(&p->data.elem);
614: break;
615: case (MDOC_BLOCK):
616: mdoc_block_free(&p->data.block);
617: break;
618: case (MDOC_HEAD):
619: mdoc_head_free(&p->data.head);
620: break;
621: default:
622: break;
623: }
624:
625: free(p);
626: }
627:
628:
629: static void
630: mdoc_node_freelist(struct mdoc_node *p)
631: {
632:
633: if (p->child)
634: mdoc_node_freelist(p->child);
635: if (p->next)
636: mdoc_node_freelist(p->next);
637:
638: mdoc_node_free(p);
639: }
640:
641:
642: int
643: mdoc_find(const struct mdoc *mdoc, const char *key)
644: {
645:
1.4 ! kristaps 646: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 647: }
648:
649:
650: static void
651: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
652: {
1.2 kristaps 653: int i;
1.1 kristaps 654:
655: dst->arg = src->arg;
656: if (0 == (dst->sz = src->sz))
657: return;
658: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 659: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 660: dst->value[i] = xstrdup(src->value[i]);
661: }
662:
663:
664: static struct mdoc_arg *
665: argdup(size_t argsz, const struct mdoc_arg *args)
666: {
667: struct mdoc_arg *pp;
1.2 kristaps 668: int i;
1.1 kristaps 669:
670: if (0 == argsz)
671: return(NULL);
672:
673: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 674: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 675: argcpy(&pp[i], &args[i]);
676:
677: return(pp);
678: }
679:
680:
681: static void
682: paramfree(size_t sz, char **p)
683: {
1.2 kristaps 684: int i;
1.1 kristaps 685:
686: if (0 == sz)
687: return;
688:
689: assert(p);
1.2 kristaps 690: /* LINTED */
691: for (i = 0; i < (int)sz; i++)
1.1 kristaps 692: free(p[i]);
693: free(p);
694: }
695:
696:
697: static char **
698: paramdup(size_t sz, const char **p)
699: {
700: char **pp;
1.2 kristaps 701: int i;
1.1 kristaps 702:
703: if (0 == sz)
704: return(NULL);
705:
706: pp = xcalloc(sz, sizeof(char *));
1.2 kristaps 707: for (i = 0; i < (int)sz; i++)
1.1 kristaps 708: pp[i] = xstrdup(p[i]);
709:
710: return(pp);
711: }
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