Annotation of mandoc/man.c, Revision 1.94
1.94 ! kristaps 1: /* $Id: man.c,v 1.93 2011/01/01 10:51:30 kristaps Exp $ */
1.1 kristaps 2: /*
1.82 schwarze 3: * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.18 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.18 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
1.47 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.41 kristaps 21: #include <sys/types.h>
22:
1.1 kristaps 23: #include <assert.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <stdio.h>
27: #include <string.h>
28:
1.74 kristaps 29: #include "mandoc.h"
1.1 kristaps 30: #include "libman.h"
1.45 kristaps 31: #include "libmandoc.h"
1.1 kristaps 32:
33: const char *const __man_macronames[MAN_MAX] = {
1.21 kristaps 34: "br", "TH", "SH", "SS",
1.1 kristaps 35: "TP", "LP", "PP", "P",
36: "IP", "HP", "SM", "SB",
37: "BI", "IB", "BR", "RB",
1.11 kristaps 38: "R", "B", "I", "IR",
1.92 kristaps 39: "RI", "na", "sp", "nf",
40: "fi", "RE", "RS", "DT",
41: "UC", "PD", "AT", "in",
42: "ft"
1.1 kristaps 43: };
44:
45: const char * const *man_macronames = __man_macronames;
46:
1.16 kristaps 47: static struct man_node *man_node_alloc(int, int,
1.53 kristaps 48: enum man_type, enum mant);
1.1 kristaps 49: static int man_node_append(struct man *,
50: struct man_node *);
1.94 ! kristaps 51: static int man_span_alloc(struct man *,
! 52: const struct tbl_span *);
1.54 kristaps 53: static void man_node_free(struct man_node *);
54: static void man_node_unlink(struct man *,
55: struct man_node *);
1.72 kristaps 56: static int man_ptext(struct man *, int, char *, int);
1.79 kristaps 57: static int man_pmacro(struct man *, int, char *, int);
1.2 kristaps 58: static void man_free1(struct man *);
1.45 kristaps 59: static void man_alloc1(struct man *);
1.94 ! kristaps 60: static int man_descope(struct man *, int, int);
1.1 kristaps 61:
62:
63: const struct man_node *
1.2 kristaps 64: man_node(const struct man *m)
1.1 kristaps 65: {
66:
1.2 kristaps 67: return(MAN_HALT & m->flags ? NULL : m->first);
1.1 kristaps 68: }
69:
70:
71: const struct man_meta *
1.2 kristaps 72: man_meta(const struct man *m)
1.1 kristaps 73: {
74:
1.2 kristaps 75: return(MAN_HALT & m->flags ? NULL : &m->meta);
1.1 kristaps 76: }
77:
78:
1.45 kristaps 79: void
1.1 kristaps 80: man_reset(struct man *man)
81: {
82:
1.2 kristaps 83: man_free1(man);
1.45 kristaps 84: man_alloc1(man);
1.1 kristaps 85: }
86:
87:
88: void
89: man_free(struct man *man)
90: {
91:
1.2 kristaps 92: man_free1(man);
1.1 kristaps 93: free(man);
94: }
95:
96:
97: struct man *
1.87 schwarze 98: man_alloc(struct regset *regs, void *data, mandocmsg msg)
1.1 kristaps 99: {
100: struct man *p;
101:
1.45 kristaps 102: p = mandoc_calloc(1, sizeof(struct man));
1.2 kristaps 103:
1.40 kristaps 104: man_hash_init();
1.4 kristaps 105: p->data = data;
1.74 kristaps 106: p->msg = msg;
1.79 kristaps 107: p->regs = regs;
1.45 kristaps 108:
109: man_alloc1(p);
1.1 kristaps 110: return(p);
111: }
112:
113:
114: int
115: man_endparse(struct man *m)
116: {
117:
1.3 kristaps 118: if (MAN_HALT & m->flags)
119: return(0);
120: else if (man_macroend(m))
121: return(1);
122: m->flags |= MAN_HALT;
123: return(0);
1.1 kristaps 124: }
125:
126:
127: int
1.79 kristaps 128: man_parseln(struct man *m, int ln, char *buf, int offs)
1.1 kristaps 129: {
130:
1.72 kristaps 131: if (MAN_HALT & m->flags)
132: return(0);
133:
134: return(('.' == buf[offs] || '\'' == buf[offs]) ?
1.79 kristaps 135: man_pmacro(m, ln, buf, offs) :
1.72 kristaps 136: man_ptext(m, ln, buf, offs));
1.1 kristaps 137: }
138:
139:
1.2 kristaps 140: static void
141: man_free1(struct man *man)
142: {
143:
144: if (man->first)
1.54 kristaps 145: man_node_delete(man, man->first);
1.2 kristaps 146: if (man->meta.title)
147: free(man->meta.title);
1.6 kristaps 148: if (man->meta.source)
149: free(man->meta.source);
1.75 kristaps 150: if (man->meta.rawdate)
151: free(man->meta.rawdate);
1.2 kristaps 152: if (man->meta.vol)
153: free(man->meta.vol);
1.68 kristaps 154: if (man->meta.msec)
155: free(man->meta.msec);
1.2 kristaps 156: }
157:
158:
1.45 kristaps 159: static void
1.2 kristaps 160: man_alloc1(struct man *m)
161: {
162:
1.44 kristaps 163: memset(&m->meta, 0, sizeof(struct man_meta));
1.2 kristaps 164: m->flags = 0;
1.45 kristaps 165: m->last = mandoc_calloc(1, sizeof(struct man_node));
1.2 kristaps 166: m->first = m->last;
167: m->last->type = MAN_ROOT;
1.54 kristaps 168: m->last->tok = MAN_MAX;
1.2 kristaps 169: m->next = MAN_NEXT_CHILD;
170: }
171:
172:
1.1 kristaps 173: static int
174: man_node_append(struct man *man, struct man_node *p)
175: {
176:
177: assert(man->last);
178: assert(man->first);
179: assert(MAN_ROOT != p->type);
180:
181: switch (man->next) {
182: case (MAN_NEXT_SIBLING):
183: man->last->next = p;
184: p->prev = man->last;
185: p->parent = man->last->parent;
186: break;
187: case (MAN_NEXT_CHILD):
188: man->last->child = p;
189: p->parent = man->last;
190: break;
191: default:
192: abort();
193: /* NOTREACHED */
194: }
1.22 kristaps 195:
1.54 kristaps 196: assert(p->parent);
1.22 kristaps 197: p->parent->nchild++;
1.1 kristaps 198:
1.29 kristaps 199: if ( ! man_valid_pre(man, p))
200: return(0);
201:
202: switch (p->type) {
203: case (MAN_HEAD):
204: assert(MAN_BLOCK == p->parent->type);
205: p->parent->head = p;
206: break;
207: case (MAN_BODY):
208: assert(MAN_BLOCK == p->parent->type);
209: p->parent->body = p;
210: break;
211: default:
212: break;
213: }
214:
1.2 kristaps 215: man->last = p;
216:
1.1 kristaps 217: switch (p->type) {
1.94 ! kristaps 218: case (MAN_TBL):
! 219: /* FALLTHROUGH */
1.2 kristaps 220: case (MAN_TEXT):
221: if ( ! man_valid_post(man))
222: return(0);
1.1 kristaps 223: break;
224: default:
225: break;
226: }
227:
228: return(1);
229: }
230:
231:
232: static struct man_node *
1.53 kristaps 233: man_node_alloc(int line, int pos, enum man_type type, enum mant tok)
1.1 kristaps 234: {
235: struct man_node *p;
236:
1.45 kristaps 237: p = mandoc_calloc(1, sizeof(struct man_node));
1.1 kristaps 238: p->line = line;
239: p->pos = pos;
240: p->type = type;
1.16 kristaps 241: p->tok = tok;
1.1 kristaps 242: return(p);
243: }
244:
245:
246: int
1.53 kristaps 247: man_elem_alloc(struct man *m, int line, int pos, enum mant tok)
1.1 kristaps 248: {
249: struct man_node *p;
250:
1.16 kristaps 251: p = man_node_alloc(line, pos, MAN_ELEM, tok);
1.30 kristaps 252: if ( ! man_node_append(m, p))
253: return(0);
254: m->next = MAN_NEXT_CHILD;
255: return(1);
1.1 kristaps 256: }
257:
258:
259: int
1.53 kristaps 260: man_head_alloc(struct man *m, int line, int pos, enum mant tok)
1.29 kristaps 261: {
262: struct man_node *p;
263:
264: p = man_node_alloc(line, pos, MAN_HEAD, tok);
265: if ( ! man_node_append(m, p))
266: return(0);
267: m->next = MAN_NEXT_CHILD;
268: return(1);
269: }
270:
271:
272: int
1.53 kristaps 273: man_body_alloc(struct man *m, int line, int pos, enum mant tok)
1.29 kristaps 274: {
275: struct man_node *p;
276:
277: p = man_node_alloc(line, pos, MAN_BODY, tok);
278: if ( ! man_node_append(m, p))
279: return(0);
280: m->next = MAN_NEXT_CHILD;
281: return(1);
282: }
283:
284:
285: int
1.53 kristaps 286: man_block_alloc(struct man *m, int line, int pos, enum mant tok)
1.29 kristaps 287: {
288: struct man_node *p;
289:
290: p = man_node_alloc(line, pos, MAN_BLOCK, tok);
291: if ( ! man_node_append(m, p))
292: return(0);
293: m->next = MAN_NEXT_CHILD;
294: return(1);
295: }
296:
1.94 ! kristaps 297: static int
! 298: man_span_alloc(struct man *m, const struct tbl_span *span)
! 299: {
! 300: struct man_node *n;
! 301:
! 302: /* FIXME: grab from span */
! 303: n = man_node_alloc(0, 0, MAN_TBL, MAN_MAX);
! 304:
! 305: if ( ! man_node_append(m, n))
! 306: return(0);
! 307:
! 308: m->next = MAN_NEXT_SIBLING;
! 309: return(1);
! 310: }
1.29 kristaps 311:
1.61 kristaps 312: int
313: man_word_alloc(struct man *m, int line, int pos, const char *word)
1.1 kristaps 314: {
1.31 kristaps 315: struct man_node *n;
1.61 kristaps 316: size_t sv, len;
317:
318: len = strlen(word);
1.1 kristaps 319:
1.53 kristaps 320: n = man_node_alloc(line, pos, MAN_TEXT, MAN_MAX);
1.45 kristaps 321: n->string = mandoc_malloc(len + 1);
1.61 kristaps 322: sv = strlcpy(n->string, word, len + 1);
1.31 kristaps 323:
324: /* Prohibit truncation. */
325: assert(sv < len + 1);
326:
327: if ( ! man_node_append(m, n))
1.30 kristaps 328: return(0);
1.61 kristaps 329:
1.30 kristaps 330: m->next = MAN_NEXT_SIBLING;
331: return(1);
1.1 kristaps 332: }
333:
334:
1.54 kristaps 335: /*
336: * Free all of the resources held by a node. This does NOT unlink a
337: * node from its context; for that, see man_node_unlink().
338: */
339: static void
1.1 kristaps 340: man_node_free(struct man_node *p)
341: {
342:
343: if (p->string)
344: free(p->string);
345: free(p);
346: }
347:
348:
349: void
1.54 kristaps 350: man_node_delete(struct man *m, struct man_node *p)
1.1 kristaps 351: {
352:
1.54 kristaps 353: while (p->child)
354: man_node_delete(m, p->child);
355:
356: man_node_unlink(m, p);
1.1 kristaps 357: man_node_free(p);
358: }
359:
360:
1.94 ! kristaps 361: int
! 362: man_addspan(struct man *m, const struct tbl_span *sp)
! 363: {
! 364:
! 365: if ( ! man_span_alloc(m, sp))
! 366: return(0);
! 367: return(man_descope(m, 0, 0));
! 368: }
! 369:
! 370: static int
! 371: man_descope(struct man *m, int line, int offs)
! 372: {
! 373: /*
! 374: * Co-ordinate what happens with having a next-line scope open:
! 375: * first close out the element scope (if applicable), then close
! 376: * out the block scope (also if applicable).
! 377: */
! 378:
! 379: if (MAN_ELINE & m->flags) {
! 380: m->flags &= ~MAN_ELINE;
! 381: if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX))
! 382: return(0);
! 383: }
! 384:
! 385: if ( ! (MAN_BLINE & m->flags))
! 386: return(1);
! 387: m->flags &= ~MAN_BLINE;
! 388:
! 389: if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX))
! 390: return(0);
! 391: return(man_body_alloc(m, line, offs, m->last->tok));
! 392: }
! 393:
! 394:
1.1 kristaps 395: static int
1.72 kristaps 396: man_ptext(struct man *m, int line, char *buf, int offs)
1.1 kristaps 397: {
1.61 kristaps 398: int i;
1.60 kristaps 399:
400: /* Ignore bogus comments. */
401:
1.72 kristaps 402: if ('\\' == buf[offs] &&
403: '.' == buf[offs + 1] &&
1.93 kristaps 404: '"' == buf[offs + 2]) {
405: man_pmsg(m, line, offs, MANDOCERR_BADCOMMENT);
406: return(1);
407: }
1.31 kristaps 408:
1.35 kristaps 409: /* Literal free-form text whitespace is preserved. */
410:
411: if (MAN_LITERAL & m->flags) {
1.72 kristaps 412: if ( ! man_word_alloc(m, line, offs, buf + offs))
1.35 kristaps 413: return(0);
1.94 ! kristaps 414: return(man_descope(m, line, offs));
1.35 kristaps 415: }
416:
1.61 kristaps 417: /* Pump blank lines directly into the backend. */
1.31 kristaps 418:
1.72 kristaps 419: for (i = offs; ' ' == buf[i]; i++)
1.31 kristaps 420: /* Skip leading whitespace. */ ;
1.48 kristaps 421:
1.49 kristaps 422: if ('\0' == buf[i]) {
1.61 kristaps 423: /* Allocate a blank entry. */
1.72 kristaps 424: if ( ! man_word_alloc(m, line, offs, ""))
1.31 kristaps 425: return(0);
1.94 ! kristaps 426: return(man_descope(m, line, offs));
1.31 kristaps 427: }
428:
1.63 kristaps 429: /*
430: * Warn if the last un-escaped character is whitespace. Then
431: * strip away the remaining spaces (tabs stay!).
432: */
1.29 kristaps 433:
1.61 kristaps 434: i = (int)strlen(buf);
435: assert(i);
1.49 kristaps 436:
1.63 kristaps 437: if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
1.64 kristaps 438: if (i > 1 && '\\' != buf[i - 2])
1.93 kristaps 439: man_pmsg(m, line, i - 1, MANDOCERR_EOLNSPACE);
1.63 kristaps 440:
441: for (--i; i && ' ' == buf[i]; i--)
442: /* Spin back to non-space. */ ;
443:
444: /* Jump ahead of escaped whitespace. */
445: i += '\\' == buf[i] ? 2 : 1;
446:
447: buf[i] = '\0';
448: }
1.49 kristaps 449:
1.72 kristaps 450: if ( ! man_word_alloc(m, line, offs, buf + offs))
1.1 kristaps 451: return(0);
1.65 kristaps 452:
453: /*
454: * End-of-sentence check. If the last character is an unescaped
455: * EOS character, then flag the node as being the end of a
456: * sentence. The front-end will know how to interpret this.
457: */
1.67 kristaps 458:
1.65 kristaps 459: assert(i);
1.83 schwarze 460: if (mandoc_eos(buf, (size_t)i, 0))
1.65 kristaps 461: m->last->flags |= MAN_EOS;
1.31 kristaps 462:
1.94 ! kristaps 463: return(man_descope(m, line, offs));
1.1 kristaps 464: }
465:
466:
467: int
1.79 kristaps 468: man_pmacro(struct man *m, int ln, char *buf, int offs)
1.1 kristaps 469: {
1.58 kristaps 470: int i, j, ppos;
1.53 kristaps 471: enum mant tok;
1.34 kristaps 472: char mac[5];
473: struct man_node *n;
1.1 kristaps 474:
475: /* Comments and empties are quickly ignored. */
476:
1.72 kristaps 477: offs++;
478:
479: if ('\0' == buf[offs])
1.46 kristaps 480: return(1);
1.1 kristaps 481:
1.72 kristaps 482: i = offs;
1.9 kristaps 483:
1.56 kristaps 484: /*
485: * Skip whitespace between the control character and initial
486: * text. "Whitespace" is both spaces and tabs.
487: */
1.62 kristaps 488:
1.57 kristaps 489: if (' ' == buf[i] || '\t' == buf[i]) {
1.9 kristaps 490: i++;
1.56 kristaps 491: while (buf[i] && (' ' == buf[i] || '\t' == buf[i]))
1.1 kristaps 492: i++;
1.48 kristaps 493: if ('\0' == buf[i])
1.11 kristaps 494: goto out;
1.1 kristaps 495: }
496:
1.10 kristaps 497: ppos = i;
498:
1.86 schwarze 499: /*
500: * Copy the first word into a nil-terminated buffer.
501: * Stop copying when a tab, space, or eoln is encountered.
502: */
1.1 kristaps 503:
1.86 schwarze 504: j = 0;
505: while (j < 4 && '\0' != buf[i] && ' ' != buf[i] && '\t' != buf[i])
506: mac[j++] = buf[i++];
1.46 kristaps 507: mac[j] = '\0';
1.1 kristaps 508:
1.87 schwarze 509: tok = (j > 0 && j < 4) ? man_hash_find(mac) : MAN_MAX;
510: if (MAN_MAX == tok) {
1.90 kristaps 511: man_vmsg(m, MANDOCERR_MACRO, ln, ppos, "%s", buf + ppos - 1);
1.12 kristaps 512: return(1);
1.1 kristaps 513: }
514:
515: /* The macro is sane. Jump to the next word. */
516:
517: while (buf[i] && ' ' == buf[i])
518: i++;
519:
1.62 kristaps 520: /*
521: * Trailing whitespace. Note that tabs are allowed to be passed
522: * into the parser as "text", so we only warn about spaces here.
523: */
1.48 kristaps 524:
525: if ('\0' == buf[i] && ' ' == buf[i - 1])
1.93 kristaps 526: man_pmsg(m, ln, i - 1, MANDOCERR_EOLNSPACE);
1.48 kristaps 527:
1.50 kristaps 528: /*
1.90 kristaps 529: * Remove prior ELINE macro, as it's being clobbered by a new
1.51 kristaps 530: * macro. Note that NSCOPED macros do not close out ELINE
531: * macros---they don't print text---so we let those slip by.
1.50 kristaps 532: */
1.34 kristaps 533:
1.53 kristaps 534: if ( ! (MAN_NSCOPED & man_macros[tok].flags) &&
1.51 kristaps 535: m->flags & MAN_ELINE) {
1.90 kristaps 536: n = m->last;
537: assert(MAN_TEXT != n->type);
1.51 kristaps 538:
1.90 kristaps 539: /* Remove repeated NSCOPED macros causing ELINE. */
1.51 kristaps 540:
1.90 kristaps 541: if (MAN_NSCOPED & man_macros[n->tok].flags)
542: n = n->parent;
1.51 kristaps 543:
1.90 kristaps 544: man_vmsg(m, MANDOCERR_LINESCOPE, n->line, n->pos,
545: "%s", man_macronames[n->tok]);
1.34 kristaps 546:
1.54 kristaps 547: man_node_delete(m, n);
1.34 kristaps 548: m->flags &= ~MAN_ELINE;
549: }
550:
1.59 kristaps 551: /*
552: * Save the fact that we're in the next-line for a block. In
553: * this way, embedded roff instructions can "remember" state
554: * when they exit.
555: */
556:
557: if (MAN_BLINE & m->flags)
558: m->flags |= MAN_BPLINE;
559:
560: /* Call to handler... */
1.1 kristaps 561:
1.53 kristaps 562: assert(man_macros[tok].fp);
1.79 kristaps 563: if ( ! (*man_macros[tok].fp)(m, tok, ln, ppos, &i, buf))
1.1 kristaps 564: goto err;
565:
1.11 kristaps 566: out:
1.50 kristaps 567: /*
568: * We weren't in a block-line scope when entering the
569: * above-parsed macro, so return.
570: */
571:
1.58 kristaps 572: if ( ! (MAN_BPLINE & m->flags)) {
1.50 kristaps 573: m->flags &= ~MAN_ILINE;
1.29 kristaps 574: return(1);
1.50 kristaps 575: }
1.58 kristaps 576: m->flags &= ~MAN_BPLINE;
1.50 kristaps 577:
578: /*
579: * If we're in a block scope, then allow this macro to slip by
580: * without closing scope around it.
581: */
582:
583: if (MAN_ILINE & m->flags) {
584: m->flags &= ~MAN_ILINE;
585: return(1);
586: }
1.29 kristaps 587:
588: /*
589: * If we've opened a new next-line element scope, then return
590: * now, as the next line will close out the block scope.
591: */
592:
593: if (MAN_ELINE & m->flags)
594: return(1);
595:
596: /* Close out the block scope opened in the prior line. */
1.11 kristaps 597:
1.29 kristaps 598: assert(MAN_BLINE & m->flags);
599: m->flags &= ~MAN_BLINE;
1.11 kristaps 600:
1.74 kristaps 601: if ( ! man_unscope(m, m->last->parent, MANDOCERR_MAX))
1.29 kristaps 602: return(0);
1.72 kristaps 603: return(man_body_alloc(m, ln, offs, m->last->tok));
1.1 kristaps 604:
605: err: /* Error out. */
606:
1.2 kristaps 607: m->flags |= MAN_HALT;
1.1 kristaps 608: return(0);
609: }
1.3 kristaps 610:
1.4 kristaps 611:
612: int
1.74 kristaps 613: man_vmsg(struct man *man, enum mandocerr t,
614: int ln, int pos, const char *fmt, ...)
1.4 kristaps 615: {
616: char buf[256];
617: va_list ap;
618:
619: va_start(ap, fmt);
1.74 kristaps 620: vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.4 kristaps 621: va_end(ap);
1.74 kristaps 622: return((*man->msg)(t, man->data, ln, pos, buf));
1.51 kristaps 623: }
624:
625:
1.54 kristaps 626: /*
627: * Unlink a node from its context. If "m" is provided, the last parse
628: * point will also be adjusted accordingly.
629: */
630: static void
1.51 kristaps 631: man_node_unlink(struct man *m, struct man_node *n)
632: {
633:
1.54 kristaps 634: /* Adjust siblings. */
635:
636: if (n->prev)
1.51 kristaps 637: n->prev->next = n->next;
1.54 kristaps 638: if (n->next)
639: n->next->prev = n->prev;
640:
641: /* Adjust parent. */
642:
643: if (n->parent) {
644: n->parent->nchild--;
645: if (n->parent->child == n)
646: n->parent->child = n->prev ? n->prev : n->next;
647: }
648:
649: /* Adjust parse point, if applicable. */
650:
651: if (m && m->last == n) {
652: /*XXX: this can occur when bailing from validation. */
653: /*assert(NULL == n->next);*/
654: if (n->prev) {
1.51 kristaps 655: m->last = n->prev;
656: m->next = MAN_NEXT_SIBLING;
1.54 kristaps 657: } else {
1.51 kristaps 658: m->last = n->parent;
659: m->next = MAN_NEXT_CHILD;
660: }
661: }
662:
1.54 kristaps 663: if (m && m->first == n)
664: m->first = NULL;
1.23 kristaps 665: }
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