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Annotation of mandoc/man_macro.c, Revision 1.78

1.78    ! schwarze    1: /*     $Id: man_macro.c,v 1.77 2013/11/11 00:37:55 schwarze Exp $ */
1.1       kristaps    2: /*
1.65      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.77      schwarze    4:  * Copyright (c) 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.14      kristaps    7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    9:  *
1.14      kristaps   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   17:  */
1.30      kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <assert.h>
                     23: #include <ctype.h>
                     24: #include <stdlib.h>
                     25: #include <string.h>
                     26:
1.58      kristaps   27: #include "man.h"
1.46      kristaps   28: #include "mandoc.h"
1.57      kristaps   29: #include "libmandoc.h"
1.1       kristaps   30: #include "libman.h"
                     31:
1.34      kristaps   32: enum   rew {
                     33:        REW_REWIND,
                     34:        REW_NOHALT,
1.40      kristaps   35:        REW_HALT
1.34      kristaps   36: };
1.19      kristaps   37:
1.35      kristaps   38: static int              blk_close(MACRO_PROT_ARGS);
                     39: static int              blk_exp(MACRO_PROT_ARGS);
                     40: static int              blk_imp(MACRO_PROT_ARGS);
1.19      kristaps   41: static int              in_line_eoln(MACRO_PROT_ARGS);
1.60      kristaps   42: static int              man_args(struct man *, int,
                     43:                                int *, char *, char **);
1.19      kristaps   44:
1.33      kristaps   45: static int              rew_scope(enum man_type,
                     46:                                struct man *, enum mant);
1.34      kristaps   47: static enum rew         rew_dohalt(enum mant, enum man_type,
1.19      kristaps   48:                                const struct man_node *);
1.34      kristaps   49: static enum rew         rew_block(enum mant, enum man_type,
1.21      kristaps   50:                                const struct man_node *);
1.56      kristaps   51: static void             rew_warn(struct man *,
1.46      kristaps   52:                                struct man_node *, enum mandocerr);
1.19      kristaps   53:
                     54: const  struct man_macro __man_macros[MAN_MAX] = {
1.31      kristaps   55:        { in_line_eoln, MAN_NSCOPED }, /* br */
1.66      schwarze   56:        { in_line_eoln, MAN_BSCOPE }, /* TH */
                     57:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SH */
                     58:        { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SS */
                     59:        { blk_imp, MAN_BSCOPE | MAN_SCOPED | MAN_FSCOPED }, /* TP */
                     60:        { blk_imp, MAN_BSCOPE }, /* LP */
                     61:        { blk_imp, MAN_BSCOPE }, /* PP */
                     62:        { blk_imp, MAN_BSCOPE }, /* P */
                     63:        { blk_imp, MAN_BSCOPE }, /* IP */
                     64:        { blk_imp, MAN_BSCOPE }, /* HP */
1.19      kristaps   65:        { in_line_eoln, MAN_SCOPED }, /* SM */
                     66:        { in_line_eoln, MAN_SCOPED }, /* SB */
                     67:        { in_line_eoln, 0 }, /* BI */
                     68:        { in_line_eoln, 0 }, /* IB */
                     69:        { in_line_eoln, 0 }, /* BR */
                     70:        { in_line_eoln, 0 }, /* RB */
                     71:        { in_line_eoln, MAN_SCOPED }, /* R */
                     72:        { in_line_eoln, MAN_SCOPED }, /* B */
                     73:        { in_line_eoln, MAN_SCOPED }, /* I */
                     74:        { in_line_eoln, 0 }, /* IR */
                     75:        { in_line_eoln, 0 }, /* RI */
1.31      kristaps   76:        { in_line_eoln, MAN_NSCOPED }, /* na */
                     77:        { in_line_eoln, MAN_NSCOPED }, /* sp */
1.66      schwarze   78:        { in_line_eoln, MAN_BSCOPE }, /* nf */
                     79:        { in_line_eoln, MAN_BSCOPE }, /* fi */
1.21      kristaps   80:        { blk_close, 0 }, /* RE */
1.74      kristaps   81:        { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* RS */
1.23      kristaps   82:        { in_line_eoln, 0 }, /* DT */
1.28      kristaps   83:        { in_line_eoln, 0 }, /* UC */
1.29      kristaps   84:        { in_line_eoln, 0 }, /* PD */
1.45      joerg      85:        { in_line_eoln, 0 }, /* AT */
1.49      kristaps   86:        { in_line_eoln, 0 }, /* in */
1.53      kristaps   87:        { in_line_eoln, 0 }, /* ft */
1.71      kristaps   88:        { in_line_eoln, 0 }, /* OP */
1.72      schwarze   89:        { in_line_eoln, MAN_BSCOPE }, /* EX */
                     90:        { in_line_eoln, MAN_BSCOPE }, /* EE */
1.76      schwarze   91:        { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* UR */
                     92:        { blk_close, 0 }, /* UE */
1.19      kristaps   93: };
1.9       kristaps   94:
1.19      kristaps   95: const  struct man_macro * const man_macros = __man_macros;
1.1       kristaps   96:
                     97:
1.38      kristaps   98: /*
                     99:  * Warn when "n" is an explicit non-roff macro.
                    100:  */
1.56      kristaps  101: static void
1.75      schwarze  102: rew_warn(struct man *man, struct man_node *n, enum mandocerr er)
1.38      kristaps  103: {
                    104:
1.46      kristaps  105:        if (er == MANDOCERR_MAX || MAN_BLOCK != n->type)
1.56      kristaps  106:                return;
1.38      kristaps  107:        if (MAN_VALID & n->flags)
1.56      kristaps  108:                return;
1.38      kristaps  109:        if ( ! (MAN_EXPLICIT & man_macros[n->tok].flags))
1.56      kristaps  110:                return;
                    111:
                    112:        assert(er < MANDOCERR_FATAL);
1.75      schwarze  113:        man_nmsg(man, n, er);
1.38      kristaps  114: }
                    115:
                    116:
                    117: /*
1.46      kristaps  118:  * Rewind scope.  If a code "er" != MANDOCERR_MAX has been provided, it
                    119:  * will be used if an explicit block scope is being closed out.
1.38      kristaps  120:  */
1.3       kristaps  121: int
1.75      schwarze  122: man_unscope(struct man *man, const struct man_node *to,
1.46      kristaps  123:                enum mandocerr er)
1.1       kristaps  124: {
1.55      kristaps  125:        struct man_node *n;
1.1       kristaps  126:
1.55      kristaps  127:        assert(to);
1.19      kristaps  128:
1.75      schwarze  129:        man->next = MAN_NEXT_SIBLING;
1.64      kristaps  130:
1.19      kristaps  131:        /* LINTED */
1.75      schwarze  132:        while (man->last != to) {
1.55      kristaps  133:                /*
                    134:                 * Save the parent here, because we may delete the
1.75      schwarze  135:                 * man->last node in the post-validation phase and reset
                    136:                 * it to man->last->parent, causing a step in the closing
1.55      kristaps  137:                 * out to be lost.
                    138:                 */
1.75      schwarze  139:                n = man->last->parent;
                    140:                rew_warn(man, man->last, er);
                    141:                if ( ! man_valid_post(man))
1.19      kristaps  142:                        return(0);
1.75      schwarze  143:                man->last = n;
                    144:                assert(man->last);
1.19      kristaps  145:        }
                    146:
1.75      schwarze  147:        rew_warn(man, man->last, er);
                    148:        if ( ! man_valid_post(man))
1.1       kristaps  149:                return(0);
1.35      kristaps  150:
                    151:        return(1);
1.19      kristaps  152: }
1.1       kristaps  153:
                    154:
1.34      kristaps  155: static enum rew
1.33      kristaps  156: rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
1.21      kristaps  157: {
                    158:
                    159:        if (MAN_BLOCK == type && ntok == n->parent->tok &&
                    160:                        MAN_BODY == n->parent->type)
                    161:                return(REW_REWIND);
                    162:        return(ntok == n->tok ? REW_HALT : REW_NOHALT);
                    163: }
                    164:
                    165:
1.19      kristaps  166: /*
                    167:  * There are three scope levels: scoped to the root (all), scoped to the
                    168:  * section (all less sections), and scoped to subsections (all less
                    169:  * sections and subsections).
                    170:  */
1.34      kristaps  171: static enum rew
1.33      kristaps  172: rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n)
1.19      kristaps  173: {
1.34      kristaps  174:        enum rew         c;
1.1       kristaps  175:
1.38      kristaps  176:        /* We cannot progress beyond the root ever. */
1.19      kristaps  177:        if (MAN_ROOT == n->type)
                    178:                return(REW_HALT);
1.38      kristaps  179:
1.19      kristaps  180:        assert(n->parent);
1.38      kristaps  181:
                    182:        /* Normal nodes shouldn't go to the level of the root. */
1.19      kristaps  183:        if (MAN_ROOT == n->parent->type)
                    184:                return(REW_REWIND);
1.38      kristaps  185:
                    186:        /* Already-validated nodes should be closed out. */
1.19      kristaps  187:        if (MAN_VALID & n->flags)
                    188:                return(REW_NOHALT);
                    189:
1.38      kristaps  190:        /* First: rewind to ourselves. */
1.73      schwarze  191:        if (type == n->type && tok == n->tok) {
                    192:                if (MAN_EXPLICIT & man_macros[n->tok].flags)
                    193:                        return(REW_HALT);
                    194:                else
                    195:                        return(REW_REWIND);
                    196:        }
1.21      kristaps  197:
1.38      kristaps  198:        /*
                    199:         * Next follow the implicit scope-smashings as defined by man.7:
                    200:         * section, sub-section, etc.
                    201:         */
                    202:
1.19      kristaps  203:        switch (tok) {
                    204:        case (MAN_SH):
                    205:                break;
                    206:        case (MAN_SS):
1.20      kristaps  207:                /* Rewind to a section, if a block. */
1.21      kristaps  208:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    209:                        return(c);
                    210:                break;
                    211:        case (MAN_RS):
1.73      schwarze  212:                /* Preserve empty paragraphs before RS. */
                    213:                if (0 == n->nchild && (MAN_P == n->tok ||
                    214:                    MAN_PP == n->tok || MAN_LP == n->tok))
                    215:                        return(REW_HALT);
1.21      kristaps  216:                /* Rewind to a subsection, if a block. */
                    217:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    218:                        return(c);
                    219:                /* Rewind to a section, if a block. */
                    220:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    221:                        return(c);
1.19      kristaps  222:                break;
                    223:        default:
1.21      kristaps  224:                /* Rewind to an offsetter, if a block. */
                    225:                if (REW_NOHALT != (c = rew_block(MAN_RS, type, n)))
                    226:                        return(c);
1.20      kristaps  227:                /* Rewind to a subsection, if a block. */
1.21      kristaps  228:                if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
                    229:                        return(c);
1.20      kristaps  230:                /* Rewind to a section, if a block. */
1.21      kristaps  231:                if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
                    232:                        return(c);
1.19      kristaps  233:                break;
1.3       kristaps  234:        }
1.1       kristaps  235:
1.19      kristaps  236:        return(REW_NOHALT);
                    237: }
1.9       kristaps  238:
                    239:
1.19      kristaps  240: /*
                    241:  * Rewinding entails ascending the parse tree until a coherent point,
                    242:  * for example, the `SH' macro will close out any intervening `SS'
                    243:  * scopes.  When a scope is closed, it must be validated and actioned.
                    244:  */
                    245: static int
1.75      schwarze  246: rew_scope(enum man_type type, struct man *man, enum mant tok)
1.19      kristaps  247: {
                    248:        struct man_node *n;
1.34      kristaps  249:        enum rew         c;
1.7       kristaps  250:
1.19      kristaps  251:        /* LINTED */
1.75      schwarze  252:        for (n = man->last; n; n = n->parent) {
1.19      kristaps  253:                /*
                    254:                 * Whether we should stop immediately (REW_HALT), stop
                    255:                 * and rewind until this point (REW_REWIND), or keep
                    256:                 * rewinding (REW_NOHALT).
                    257:                 */
                    258:                c = rew_dohalt(tok, type, n);
                    259:                if (REW_HALT == c)
                    260:                        return(1);
                    261:                if (REW_REWIND == c)
1.7       kristaps  262:                        break;
1.6       kristaps  263:        }
1.1       kristaps  264:
1.38      kristaps  265:        /*
                    266:         * Rewind until the current point.  Warn if we're a roff
                    267:         * instruction that's mowing over explicit scopes.
                    268:         */
                    269:        assert(n);
1.19      kristaps  270:
1.75      schwarze  271:        return(man_unscope(man, n, MANDOCERR_MAX));
1.19      kristaps  272: }
                    273:
1.6       kristaps  274:
1.36      kristaps  275: /*
                    276:  * Close out a generic explicit macro.
                    277:  */
1.37      kristaps  278: /* ARGSUSED */
1.35      kristaps  279: int
1.21      kristaps  280: blk_close(MACRO_PROT_ARGS)
                    281: {
1.33      kristaps  282:        enum mant                ntok;
1.21      kristaps  283:        const struct man_node   *nn;
                    284:
                    285:        switch (tok) {
                    286:        case (MAN_RE):
                    287:                ntok = MAN_RS;
1.76      schwarze  288:                break;
                    289:        case (MAN_UE):
                    290:                ntok = MAN_UR;
1.21      kristaps  291:                break;
                    292:        default:
                    293:                abort();
                    294:                /* NOTREACHED */
                    295:        }
                    296:
1.75      schwarze  297:        for (nn = man->last->parent; nn; nn = nn->parent)
1.73      schwarze  298:                if (ntok == nn->tok && MAN_BLOCK == nn->type)
1.21      kristaps  299:                        break;
                    300:
1.77      schwarze  301:        if (NULL == nn) {
                    302:                man_pmsg(man, line, ppos, MANDOCERR_NOSCOPE);
                    303:                if ( ! rew_scope(MAN_BLOCK, man, MAN_PP))
                    304:                        return(0);
                    305:        } else
1.75      schwarze  306:                man_unscope(man, nn, MANDOCERR_MAX);
1.21      kristaps  307:
                    308:        return(1);
                    309: }
                    310:
                    311:
1.48      kristaps  312: /* ARGSUSED */
1.35      kristaps  313: int
                    314: blk_exp(MACRO_PROT_ARGS)
                    315: {
1.73      schwarze  316:        struct man_node *n;
1.59      kristaps  317:        int              la;
1.35      kristaps  318:        char            *p;
                    319:
1.73      schwarze  320:        /* Close out prior implicit scopes. */
                    321:
1.75      schwarze  322:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.73      schwarze  323:                return(0);
1.35      kristaps  324:
1.75      schwarze  325:        if ( ! man_block_alloc(man, line, ppos, tok))
1.35      kristaps  326:                return(0);
1.75      schwarze  327:        if ( ! man_head_alloc(man, line, ppos, tok))
1.35      kristaps  328:                return(0);
                    329:
                    330:        for (;;) {
                    331:                la = *pos;
1.75      schwarze  332:                if ( ! man_args(man, line, pos, buf, &p))
1.35      kristaps  333:                        break;
1.75      schwarze  334:                if ( ! man_word_alloc(man, line, la, p))
1.35      kristaps  335:                        return(0);
                    336:        }
                    337:
1.75      schwarze  338:        assert(man);
1.35      kristaps  339:        assert(tok != MAN_MAX);
                    340:
1.75      schwarze  341:        for (n = man->last; n; n = n->parent) {
1.73      schwarze  342:                if (n->tok != tok)
                    343:                        continue;
                    344:                assert(MAN_HEAD == n->type);
1.75      schwarze  345:                man_unscope(man, n, MANDOCERR_MAX);
1.73      schwarze  346:                break;
                    347:        }
                    348:
1.75      schwarze  349:        return(man_body_alloc(man, line, ppos, tok));
1.35      kristaps  350: }
                    351:
                    352:
                    353:
1.19      kristaps  354: /*
                    355:  * Parse an implicit-block macro.  These contain a MAN_HEAD and a
                    356:  * MAN_BODY contained within a MAN_BLOCK.  Rules for closing out other
                    357:  * scopes, such as `SH' closing out an `SS', are defined in the rew
                    358:  * routines.
                    359:  */
1.48      kristaps  360: /* ARGSUSED */
1.19      kristaps  361: int
                    362: blk_imp(MACRO_PROT_ARGS)
                    363: {
1.59      kristaps  364:        int              la;
1.19      kristaps  365:        char            *p;
1.25      kristaps  366:        struct man_node *n;
1.19      kristaps  367:
                    368:        /* Close out prior scopes. */
1.7       kristaps  369:
1.75      schwarze  370:        if ( ! rew_scope(MAN_BODY, man, tok))
1.5       kristaps  371:                return(0);
1.75      schwarze  372:        if ( ! rew_scope(MAN_BLOCK, man, tok))
1.6       kristaps  373:                return(0);
1.1       kristaps  374:
1.19      kristaps  375:        /* Allocate new block & head scope. */
                    376:
1.75      schwarze  377:        if ( ! man_block_alloc(man, line, ppos, tok))
1.19      kristaps  378:                return(0);
1.75      schwarze  379:        if ( ! man_head_alloc(man, line, ppos, tok))
1.19      kristaps  380:                return(0);
1.1       kristaps  381:
1.75      schwarze  382:        n = man->last;
1.25      kristaps  383:
1.19      kristaps  384:        /* Add line arguments. */
1.3       kristaps  385:
1.19      kristaps  386:        for (;;) {
                    387:                la = *pos;
1.75      schwarze  388:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  389:                        break;
1.75      schwarze  390:                if ( ! man_word_alloc(man, line, la, p))
1.6       kristaps  391:                        return(0);
                    392:        }
                    393:
1.19      kristaps  394:        /* Close out head and open body (unless MAN_SCOPE). */
                    395:
1.27      kristaps  396:        if (MAN_SCOPED & man_macros[tok].flags) {
                    397:                /* If we're forcing scope (`TP'), keep it open. */
                    398:                if (MAN_FSCOPED & man_macros[tok].flags) {
1.75      schwarze  399:                        man->flags |= MAN_BLINE;
1.27      kristaps  400:                        return(1);
1.75      schwarze  401:                } else if (n == man->last) {
                    402:                        man->flags |= MAN_BLINE;
1.27      kristaps  403:                        return(1);
                    404:                }
                    405:        }
                    406:
1.75      schwarze  407:        if ( ! rew_scope(MAN_HEAD, man, tok))
1.6       kristaps  408:                return(0);
1.75      schwarze  409:        return(man_body_alloc(man, line, ppos, tok));
1.4       kristaps  410: }
                    411:
                    412:
1.48      kristaps  413: /* ARGSUSED */
1.19      kristaps  414: int
                    415: in_line_eoln(MACRO_PROT_ARGS)
1.3       kristaps  416: {
1.59      kristaps  417:        int              la;
1.19      kristaps  418:        char            *p;
                    419:        struct man_node *n;
1.3       kristaps  420:
1.75      schwarze  421:        if ( ! man_elem_alloc(man, line, ppos, tok))
1.3       kristaps  422:                return(0);
                    423:
1.75      schwarze  424:        n = man->last;
1.3       kristaps  425:
1.19      kristaps  426:        for (;;) {
                    427:                la = *pos;
1.75      schwarze  428:                if ( ! man_args(man, line, pos, buf, &p))
1.19      kristaps  429:                        break;
1.75      schwarze  430:                if ( ! man_word_alloc(man, line, la, p))
1.19      kristaps  431:                        return(0);
                    432:        }
1.78    ! schwarze  433:
        !           434:        /*
        !           435:         * Append MAN_EOS in case the last snipped argument
        !           436:         * ends with a dot, e.g. `.IR syslog (3).'
        !           437:         */
        !           438:
        !           439:        if (n != man->last &&
        !           440:            mandoc_eos(man->last->string, strlen(man->last->string), 0))
        !           441:                man->last->flags |= MAN_EOS;
1.3       kristaps  442:
1.31      kristaps  443:        /*
                    444:         * If no arguments are specified and this is MAN_SCOPED (i.e.,
                    445:         * next-line scoped), then set our mode to indicate that we're
                    446:         * waiting for terms to load into our context.
                    447:         */
                    448:
1.75      schwarze  449:        if (n == man->last && MAN_SCOPED & man_macros[tok].flags) {
1.31      kristaps  450:                assert( ! (MAN_NSCOPED & man_macros[tok].flags));
1.75      schwarze  451:                man->flags |= MAN_ELINE;
1.19      kristaps  452:                return(1);
                    453:        }
1.3       kristaps  454:
1.31      kristaps  455:        /* Set ignorable context, if applicable. */
                    456:
                    457:        if (MAN_NSCOPED & man_macros[tok].flags) {
                    458:                assert( ! (MAN_SCOPED & man_macros[tok].flags));
1.75      schwarze  459:                man->flags |= MAN_ILINE;
1.31      kristaps  460:        }
1.64      kristaps  461:
1.75      schwarze  462:        assert(MAN_ROOT != man->last->type);
                    463:        man->next = MAN_NEXT_SIBLING;
1.31      kristaps  464:
1.19      kristaps  465:        /*
1.31      kristaps  466:         * Rewind our element scope.  Note that when TH is pruned, we'll
                    467:         * be back at the root, so make sure that we don't clobber as
                    468:         * its sibling.
1.19      kristaps  469:         */
1.3       kristaps  470:
1.75      schwarze  471:        for ( ; man->last; man->last = man->last->parent) {
                    472:                if (man->last == n)
1.19      kristaps  473:                        break;
1.75      schwarze  474:                if (man->last->type == MAN_ROOT)
1.19      kristaps  475:                        break;
1.75      schwarze  476:                if ( ! man_valid_post(man))
1.19      kristaps  477:                        return(0);
                    478:        }
1.3       kristaps  479:
1.75      schwarze  480:        assert(man->last);
1.3       kristaps  481:
                    482:        /*
1.19      kristaps  483:         * Same here regarding whether we're back at the root.
1.3       kristaps  484:         */
                    485:
1.75      schwarze  486:        if (man->last->type != MAN_ROOT && ! man_valid_post(man))
1.19      kristaps  487:                return(0);
1.3       kristaps  488:
1.19      kristaps  489:        return(1);
                    490: }
1.3       kristaps  491:
                    492:
1.19      kristaps  493: int
1.75      schwarze  494: man_macroend(struct man *man)
1.19      kristaps  495: {
1.22      kristaps  496:
1.75      schwarze  497:        return(man_unscope(man, man->first, MANDOCERR_SCOPEEXIT));
1.19      kristaps  498: }
1.3       kristaps  499:
1.60      kristaps  500: static int
1.75      schwarze  501: man_args(struct man *man, int line, int *pos, char *buf, char **v)
1.60      kristaps  502: {
                    503:        char     *start;
                    504:
                    505:        assert(*pos);
                    506:        *v = start = buf + *pos;
                    507:        assert(' ' != *start);
                    508:
                    509:        if ('\0' == *start)
                    510:                return(0);
                    511:
1.75      schwarze  512:        *v = mandoc_getarg(man->parse, v, line, pos);
1.60      kristaps  513:        return(1);
                    514: }

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