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Annotation of mandoc/man_validate.c, Revision 1.86

1.86    ! schwarze    1: /*     $Id: man_validate.c,v 1.85 2012/11/17 00:26:33 schwarze Exp $ */
1.1       kristaps    2: /*
1.63      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.86    ! schwarze    4:  * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
1.8       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:  *
1.8       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:  */
1.28      kristaps   18: #ifdef HAVE_CONFIG_H
                     19: #include "config.h"
                     20: #endif
                     21:
1.1       kristaps   22: #include <sys/types.h>
                     23:
                     24: #include <assert.h>
                     25: #include <ctype.h>
1.16      kristaps   26: #include <errno.h>
                     27: #include <limits.h>
1.1       kristaps   28: #include <stdarg.h>
                     29: #include <stdlib.h>
1.46      kristaps   30: #include <string.h>
1.50      kristaps   31: #include <time.h>
1.1       kristaps   32:
1.66      kristaps   33: #include "man.h"
1.41      kristaps   34: #include "mandoc.h"
1.1       kristaps   35: #include "libman.h"
1.15      kristaps   36: #include "libmandoc.h"
1.1       kristaps   37:
1.85      schwarze   38: #define        CHKARGS   struct man *man, struct man_node *n
1.1       kristaps   39:
1.17      kristaps   40: typedef        int     (*v_check)(CHKARGS);
1.1       kristaps   41:
                     42: struct man_valid {
1.17      kristaps   43:        v_check  *pres;
                     44:        v_check  *posts;
1.1       kristaps   45: };
                     46:
1.17      kristaps   47: static int       check_eq0(CHKARGS);
1.80      kristaps   48: static int       check_eq2(CHKARGS);
1.25      kristaps   49: static int       check_le1(CHKARGS);
1.17      kristaps   50: static int       check_ge2(CHKARGS);
                     51: static int       check_le5(CHKARGS);
1.86    ! schwarze   52: static int       check_head1(CHKARGS);
1.17      kristaps   53: static int       check_par(CHKARGS);
1.23      kristaps   54: static int       check_part(CHKARGS);
1.17      kristaps   55: static int       check_root(CHKARGS);
1.75      kristaps   56: static void      check_text(CHKARGS);
1.17      kristaps   57:
1.51      kristaps   58: static int       post_AT(CHKARGS);
1.83      schwarze   59: static int       post_IP(CHKARGS);
1.70      kristaps   60: static int       post_vs(CHKARGS);
1.51      kristaps   61: static int       post_fi(CHKARGS);
1.73      kristaps   62: static int       post_ft(CHKARGS);
1.51      kristaps   63: static int       post_nf(CHKARGS);
1.73      kristaps   64: static int       post_sec(CHKARGS);
1.51      kristaps   65: static int       post_TH(CHKARGS);
                     66: static int       post_UC(CHKARGS);
1.73      kristaps   67: static int       pre_sec(CHKARGS);
1.51      kristaps   68:
                     69: static v_check   posts_at[] = { post_AT, NULL };
1.70      kristaps   70: static v_check   posts_br[] = { post_vs, check_eq0, NULL };
1.17      kristaps   71: static v_check   posts_eq0[] = { check_eq0, NULL };
1.80      kristaps   72: static v_check   posts_eq2[] = { check_eq2, NULL };
1.51      kristaps   73: static v_check   posts_fi[] = { check_eq0, post_fi, NULL };
1.73      kristaps   74: static v_check   posts_ft[] = { post_ft, NULL };
1.83      schwarze   75: static v_check   posts_ip[] = { post_IP, NULL };
1.84      schwarze   76: static v_check   posts_le1[] = { check_le1, NULL };
1.51      kristaps   77: static v_check   posts_nf[] = { check_eq0, post_nf, NULL };
1.17      kristaps   78: static v_check   posts_par[] = { check_par, NULL };
1.23      kristaps   79: static v_check   posts_part[] = { check_part, NULL };
1.73      kristaps   80: static v_check   posts_sec[] = { post_sec, NULL };
1.70      kristaps   81: static v_check   posts_sp[] = { post_vs, check_le1, NULL };
1.60      schwarze   82: static v_check   posts_th[] = { check_ge2, check_le5, post_TH, NULL };
1.51      kristaps   83: static v_check   posts_uc[] = { post_UC, NULL };
1.86    ! schwarze   84: static v_check   posts_ur[] = { check_head1, check_part, NULL };
1.78      schwarze   85: static v_check   pres_sec[] = { pre_sec, NULL };
1.1       kristaps   86:
                     87: static const struct man_valid man_valids[MAN_MAX] = {
1.70      kristaps   88:        { NULL, posts_br }, /* br */
1.78      schwarze   89:        { NULL, posts_th }, /* TH */
1.73      kristaps   90:        { pres_sec, posts_sec }, /* SH */
                     91:        { pres_sec, posts_sec }, /* SS */
1.78      schwarze   92:        { NULL, NULL }, /* TP */
                     93:        { NULL, posts_par }, /* LP */
                     94:        { NULL, posts_par }, /* PP */
                     95:        { NULL, posts_par }, /* P */
1.83      schwarze   96:        { NULL, posts_ip }, /* IP */
1.78      schwarze   97:        { NULL, NULL }, /* HP */
1.22      kristaps   98:        { NULL, NULL }, /* SM */
                     99:        { NULL, NULL }, /* SB */
1.17      kristaps  100:        { NULL, NULL }, /* BI */
                    101:        { NULL, NULL }, /* IB */
                    102:        { NULL, NULL }, /* BR */
                    103:        { NULL, NULL }, /* RB */
1.22      kristaps  104:        { NULL, NULL }, /* R */
                    105:        { NULL, NULL }, /* B */
                    106:        { NULL, NULL }, /* I */
1.17      kristaps  107:        { NULL, NULL }, /* IR */
                    108:        { NULL, NULL }, /* RI */
1.80      kristaps  109:        { NULL, posts_eq0 }, /* na */
                    110:        { NULL, posts_sp }, /* sp */
1.78      schwarze  111:        { NULL, posts_nf }, /* nf */
                    112:        { NULL, posts_fi }, /* fi */
1.19      kristaps  113:        { NULL, NULL }, /* RE */
1.23      kristaps  114:        { NULL, posts_part }, /* RS */
1.21      kristaps  115:        { NULL, NULL }, /* DT */
1.51      kristaps  116:        { NULL, posts_uc }, /* UC */
1.84      schwarze  117:        { NULL, posts_le1 }, /* PD */
1.51      kristaps  118:        { NULL, posts_at }, /* AT */
1.47      kristaps  119:        { NULL, NULL }, /* in */
1.55      kristaps  120:        { NULL, posts_ft }, /* ft */
1.80      kristaps  121:        { NULL, posts_eq2 }, /* OP */
1.81      schwarze  122:        { NULL, posts_nf }, /* EX */
                    123:        { NULL, posts_fi }, /* EE */
1.86    ! schwarze  124:        { NULL, posts_ur }, /* UR */
        !           125:        { NULL, NULL }, /* UE */
1.1       kristaps  126: };
                    127:
                    128:
                    129: int
1.85      schwarze  130: man_valid_pre(struct man *man, struct man_node *n)
1.17      kristaps  131: {
                    132:        v_check         *cp;
                    133:
1.57      kristaps  134:        switch (n->type) {
                    135:        case (MAN_TEXT):
                    136:                /* FALLTHROUGH */
                    137:        case (MAN_ROOT):
1.61      kristaps  138:                /* FALLTHROUGH */
                    139:        case (MAN_EQN):
1.57      kristaps  140:                /* FALLTHROUGH */
                    141:        case (MAN_TBL):
1.17      kristaps  142:                return(1);
1.57      kristaps  143:        default:
                    144:                break;
                    145:        }
1.17      kristaps  146:
                    147:        if (NULL == (cp = man_valids[n->tok].pres))
                    148:                return(1);
                    149:        for ( ; *cp; cp++)
1.85      schwarze  150:                if ( ! (*cp)(man, n))
1.17      kristaps  151:                        return(0);
                    152:        return(1);
                    153: }
                    154:
                    155:
                    156: int
1.85      schwarze  157: man_valid_post(struct man *man)
1.1       kristaps  158: {
1.17      kristaps  159:        v_check         *cp;
1.1       kristaps  160:
1.85      schwarze  161:        if (MAN_VALID & man->last->flags)
1.1       kristaps  162:                return(1);
1.85      schwarze  163:        man->last->flags |= MAN_VALID;
1.1       kristaps  164:
1.85      schwarze  165:        switch (man->last->type) {
1.75      kristaps  166:        case (MAN_TEXT):
1.85      schwarze  167:                check_text(man, man->last);
1.75      kristaps  168:                return(1);
1.1       kristaps  169:        case (MAN_ROOT):
1.85      schwarze  170:                return(check_root(man, man->last));
1.62      kristaps  171:        case (MAN_EQN):
                    172:                /* FALLTHROUGH */
1.57      kristaps  173:        case (MAN_TBL):
                    174:                return(1);
1.1       kristaps  175:        default:
                    176:                break;
                    177:        }
                    178:
1.85      schwarze  179:        if (NULL == (cp = man_valids[man->last->tok].posts))
1.1       kristaps  180:                return(1);
                    181:        for ( ; *cp; cp++)
1.85      schwarze  182:                if ( ! (*cp)(man, man->last))
1.1       kristaps  183:                        return(0);
                    184:
                    185:        return(1);
                    186: }
                    187:
                    188:
1.11      kristaps  189: static int
1.17      kristaps  190: check_root(CHKARGS)
1.14      kristaps  191: {
1.17      kristaps  192:
1.85      schwarze  193:        if (MAN_BLINE & man->flags)
                    194:                man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
                    195:        else if (MAN_ELINE & man->flags)
                    196:                man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
1.22      kristaps  197:
1.85      schwarze  198:        man->flags &= ~MAN_BLINE;
                    199:        man->flags &= ~MAN_ELINE;
1.17      kristaps  200:
1.85      schwarze  201:        if (NULL == man->first->child) {
                    202:                man_nmsg(man, n, MANDOCERR_NODOCBODY);
1.41      kristaps  203:                return(0);
1.85      schwarze  204:        } else if (NULL == man->meta.title) {
                    205:                man_nmsg(man, n, MANDOCERR_NOTITLE);
1.54      kristaps  206:
1.34      kristaps  207:                /*
                    208:                 * If a title hasn't been set, do so now (by
                    209:                 * implication, date and section also aren't set).
                    210:                 */
1.54      kristaps  211:
1.85      schwarze  212:                man->meta.title = mandoc_strdup("unknown");
                    213:                man->meta.msec = mandoc_strdup("1");
                    214:                man->meta.date = mandoc_normdate
                    215:                        (man->parse, NULL, n->line, n->pos);
1.34      kristaps  216:        }
1.32      kristaps  217:
                    218:        return(1);
1.75      kristaps  219: }
                    220:
                    221: static void
                    222: check_text(CHKARGS)
                    223: {
                    224:        char            *cp, *p;
                    225:
1.85      schwarze  226:        if (MAN_LITERAL & man->flags)
1.76      schwarze  227:                return;
                    228:
                    229:        cp = n->string;
                    230:        for (p = cp; NULL != (p = strchr(p, '\t')); p++)
1.85      schwarze  231:                man_pmsg(man, n->line, (int)(p - cp), MANDOCERR_BADTAB);
1.1       kristaps  232: }
                    233:
                    234: #define        INEQ_DEFINE(x, ineq, name) \
                    235: static int \
1.17      kristaps  236: check_##name(CHKARGS) \
1.1       kristaps  237: { \
1.11      kristaps  238:        if (n->nchild ineq (x)) \
1.1       kristaps  239:                return(1); \
1.85      schwarze  240:        mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \
1.41      kristaps  241:                        "line arguments %s %d (have %d)", \
                    242:                        #ineq, (x), n->nchild); \
1.60      schwarze  243:        return(1); \
1.1       kristaps  244: }
                    245:
                    246: INEQ_DEFINE(0, ==, eq0)
1.80      kristaps  247: INEQ_DEFINE(2, ==, eq2)
1.25      kristaps  248: INEQ_DEFINE(1, <=, le1)
1.1       kristaps  249: INEQ_DEFINE(2, >=, ge2)
                    250: INEQ_DEFINE(5, <=, le5)
1.86    ! schwarze  251:
        !           252: static int
        !           253: check_head1(CHKARGS)
        !           254: {
        !           255:
        !           256:        if (MAN_HEAD == n->type && 1 != n->nchild)
        !           257:                mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
        !           258:                    n->pos, "line arguments eq 1 (have %d)", n->nchild);
        !           259:
        !           260:        return(1);
        !           261: }
1.1       kristaps  262:
1.55      kristaps  263: static int
1.73      kristaps  264: post_ft(CHKARGS)
1.55      kristaps  265: {
                    266:        char    *cp;
                    267:        int      ok;
                    268:
                    269:        if (0 == n->nchild)
                    270:                return(1);
                    271:
                    272:        ok = 0;
                    273:        cp = n->child->string;
                    274:        switch (*cp) {
                    275:        case ('1'):
                    276:                /* FALLTHROUGH */
                    277:        case ('2'):
                    278:                /* FALLTHROUGH */
                    279:        case ('3'):
                    280:                /* FALLTHROUGH */
                    281:        case ('4'):
                    282:                /* FALLTHROUGH */
                    283:        case ('I'):
                    284:                /* FALLTHROUGH */
                    285:        case ('P'):
                    286:                /* FALLTHROUGH */
                    287:        case ('R'):
                    288:                if ('\0' == cp[1])
                    289:                        ok = 1;
                    290:                break;
                    291:        case ('B'):
                    292:                if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
                    293:                        ok = 1;
                    294:                break;
                    295:        case ('C'):
                    296:                if ('W' == cp[1] && '\0' == cp[2])
                    297:                        ok = 1;
                    298:                break;
                    299:        default:
                    300:                break;
                    301:        }
                    302:
                    303:        if (0 == ok) {
1.65      kristaps  304:                mandoc_vmsg
1.85      schwarze  305:                        (MANDOCERR_BADFONT, man->parse,
1.65      kristaps  306:                         n->line, n->pos, "%s", cp);
1.55      kristaps  307:                *cp = '\0';
                    308:        }
                    309:
                    310:        if (1 < n->nchild)
1.65      kristaps  311:                mandoc_vmsg
1.85      schwarze  312:                        (MANDOCERR_ARGCOUNT, man->parse, n->line,
1.65      kristaps  313:                         n->pos, "want one child (have %d)",
                    314:                         n->nchild);
1.55      kristaps  315:
                    316:        return(1);
                    317: }
1.16      kristaps  318:
                    319: static int
1.73      kristaps  320: pre_sec(CHKARGS)
                    321: {
                    322:
                    323:        if (MAN_BLOCK == n->type)
1.85      schwarze  324:                man->flags &= ~MAN_LITERAL;
1.73      kristaps  325:        return(1);
                    326: }
                    327:
                    328: static int
                    329: post_sec(CHKARGS)
1.17      kristaps  330: {
1.16      kristaps  331:
1.69      kristaps  332:        if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
                    333:                return(1);
1.41      kristaps  334:
1.85      schwarze  335:        man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT);
1.69      kristaps  336:        return(0);
1.16      kristaps  337: }
1.17      kristaps  338:
                    339: static int
1.23      kristaps  340: check_part(CHKARGS)
                    341: {
                    342:
                    343:        if (MAN_BODY == n->type && 0 == n->nchild)
1.85      schwarze  344:                mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line,
1.67      kristaps  345:                                n->pos, "want children (have none)");
1.54      kristaps  346:
1.23      kristaps  347:        return(1);
                    348: }
                    349:
                    350:
                    351: static int
1.17      kristaps  352: check_par(CHKARGS)
                    353: {
                    354:
1.59      kristaps  355:        switch (n->type) {
                    356:        case (MAN_BLOCK):
                    357:                if (0 == n->body->nchild)
1.85      schwarze  358:                        man_node_delete(man, n);
1.59      kristaps  359:                break;
                    360:        case (MAN_BODY):
                    361:                if (0 == n->nchild)
1.85      schwarze  362:                        man_nmsg(man, n, MANDOCERR_IGNPAR);
1.59      kristaps  363:                break;
                    364:        case (MAN_HEAD):
                    365:                if (n->nchild)
1.85      schwarze  366:                        man_nmsg(man, n, MANDOCERR_ARGSLOST);
1.59      kristaps  367:                break;
                    368:        default:
                    369:                break;
                    370:        }
1.17      kristaps  371:
                    372:        return(1);
                    373: }
                    374:
1.83      schwarze  375: static int
                    376: post_IP(CHKARGS)
                    377: {
                    378:
                    379:        switch (n->type) {
                    380:        case (MAN_BLOCK):
                    381:                if (0 == n->head->nchild && 0 == n->body->nchild)
1.85      schwarze  382:                        man_node_delete(man, n);
1.83      schwarze  383:                break;
                    384:        case (MAN_BODY):
                    385:                if (0 == n->parent->head->nchild && 0 == n->nchild)
1.85      schwarze  386:                        man_nmsg(man, n, MANDOCERR_IGNPAR);
1.83      schwarze  387:                break;
                    388:        default:
                    389:                break;
                    390:        }
                    391:        return(1);
                    392: }
1.17      kristaps  393:
1.51      kristaps  394: static int
                    395: post_TH(CHKARGS)
                    396: {
1.60      schwarze  397:        const char      *p;
1.63      schwarze  398:        int              line, pos;
1.51      kristaps  399:
1.85      schwarze  400:        free(man->meta.title);
                    401:        free(man->meta.vol);
                    402:        free(man->meta.source);
                    403:        free(man->meta.msec);
                    404:        free(man->meta.date);
1.51      kristaps  405:
1.63      schwarze  406:        line = n->line;
                    407:        pos = n->pos;
1.85      schwarze  408:        man->meta.title = man->meta.vol = man->meta.date =
                    409:                man->meta.msec = man->meta.source = NULL;
1.51      kristaps  410:
                    411:        /* ->TITLE<- MSEC DATE SOURCE VOL */
                    412:
                    413:        n = n->child;
1.60      schwarze  414:        if (n && n->string) {
                    415:                for (p = n->string; '\0' != *p; p++) {
                    416:                        /* Only warn about this once... */
1.71      kristaps  417:                        if (isalpha((unsigned char)*p) &&
                    418:                                        ! isupper((unsigned char)*p)) {
1.85      schwarze  419:                                man_nmsg(man, n, MANDOCERR_UPPERCASE);
1.60      schwarze  420:                                break;
                    421:                        }
                    422:                }
1.85      schwarze  423:                man->meta.title = mandoc_strdup(n->string);
1.60      schwarze  424:        } else
1.85      schwarze  425:                man->meta.title = mandoc_strdup("");
1.51      kristaps  426:
                    427:        /* TITLE ->MSEC<- DATE SOURCE VOL */
                    428:
1.60      schwarze  429:        if (n)
                    430:                n = n->next;
                    431:        if (n && n->string)
1.85      schwarze  432:                man->meta.msec = mandoc_strdup(n->string);
1.60      schwarze  433:        else
1.85      schwarze  434:                man->meta.msec = mandoc_strdup("");
1.51      kristaps  435:
                    436:        /* TITLE MSEC ->DATE<- SOURCE VOL */
                    437:
1.60      schwarze  438:        if (n)
                    439:                n = n->next;
1.77      schwarze  440:        if (n && n->string && '\0' != n->string[0]) {
1.63      schwarze  441:                pos = n->pos;
1.85      schwarze  442:                man->meta.date = mandoc_normdate
                    443:                    (man->parse, n->string, line, pos);
1.77      schwarze  444:        } else
1.85      schwarze  445:                man->meta.date = mandoc_strdup("");
1.51      kristaps  446:
                    447:        /* TITLE MSEC DATE ->SOURCE<- VOL */
                    448:
                    449:        if (n && (n = n->next))
1.85      schwarze  450:                man->meta.source = mandoc_strdup(n->string);
1.51      kristaps  451:
                    452:        /* TITLE MSEC DATE SOURCE ->VOL<- */
1.79      schwarze  453:        /* If missing, use the default VOL name for MSEC. */
1.51      kristaps  454:
                    455:        if (n && (n = n->next))
1.85      schwarze  456:                man->meta.vol = mandoc_strdup(n->string);
                    457:        else if ('\0' != man->meta.msec[0] &&
                    458:            (NULL != (p = mandoc_a2msec(man->meta.msec))))
                    459:                man->meta.vol = mandoc_strdup(p);
1.51      kristaps  460:
                    461:        /*
                    462:         * Remove the `TH' node after we've processed it for our
                    463:         * meta-data.
                    464:         */
1.85      schwarze  465:        man_node_delete(man, man->last);
1.51      kristaps  466:        return(1);
                    467: }
                    468:
                    469: static int
                    470: post_nf(CHKARGS)
                    471: {
                    472:
1.85      schwarze  473:        if (MAN_LITERAL & man->flags)
                    474:                man_nmsg(man, n, MANDOCERR_SCOPEREP);
1.51      kristaps  475:
1.85      schwarze  476:        man->flags |= MAN_LITERAL;
1.51      kristaps  477:        return(1);
                    478: }
                    479:
                    480: static int
                    481: post_fi(CHKARGS)
                    482: {
                    483:
1.85      schwarze  484:        if ( ! (MAN_LITERAL & man->flags))
                    485:                man_nmsg(man, n, MANDOCERR_WNOSCOPE);
1.51      kristaps  486:
1.85      schwarze  487:        man->flags &= ~MAN_LITERAL;
1.51      kristaps  488:        return(1);
                    489: }
                    490:
                    491: static int
                    492: post_UC(CHKARGS)
                    493: {
                    494:        static const char * const bsd_versions[] = {
                    495:            "3rd Berkeley Distribution",
                    496:            "4th Berkeley Distribution",
                    497:            "4.2 Berkeley Distribution",
                    498:            "4.3 Berkeley Distribution",
                    499:            "4.4 Berkeley Distribution",
                    500:        };
                    501:
                    502:        const char      *p, *s;
                    503:
                    504:        n = n->child;
                    505:
                    506:        if (NULL == n || MAN_TEXT != n->type)
                    507:                p = bsd_versions[0];
                    508:        else {
                    509:                s = n->string;
                    510:                if (0 == strcmp(s, "3"))
                    511:                        p = bsd_versions[0];
                    512:                else if (0 == strcmp(s, "4"))
                    513:                        p = bsd_versions[1];
                    514:                else if (0 == strcmp(s, "5"))
                    515:                        p = bsd_versions[2];
                    516:                else if (0 == strcmp(s, "6"))
                    517:                        p = bsd_versions[3];
                    518:                else if (0 == strcmp(s, "7"))
                    519:                        p = bsd_versions[4];
                    520:                else
                    521:                        p = bsd_versions[0];
                    522:        }
                    523:
1.85      schwarze  524:        free(man->meta.source);
                    525:        man->meta.source = mandoc_strdup(p);
1.51      kristaps  526:        return(1);
                    527: }
                    528:
                    529: static int
                    530: post_AT(CHKARGS)
                    531: {
                    532:        static const char * const unix_versions[] = {
                    533:            "7th Edition",
                    534:            "System III",
                    535:            "System V",
                    536:            "System V Release 2",
                    537:        };
                    538:
                    539:        const char      *p, *s;
                    540:        struct man_node *nn;
                    541:
                    542:        n = n->child;
                    543:
                    544:        if (NULL == n || MAN_TEXT != n->type)
                    545:                p = unix_versions[0];
                    546:        else {
                    547:                s = n->string;
                    548:                if (0 == strcmp(s, "3"))
                    549:                        p = unix_versions[0];
                    550:                else if (0 == strcmp(s, "4"))
                    551:                        p = unix_versions[1];
                    552:                else if (0 == strcmp(s, "5")) {
                    553:                        nn = n->next;
                    554:                        if (nn && MAN_TEXT == nn->type && nn->string[0])
                    555:                                p = unix_versions[3];
                    556:                        else
                    557:                                p = unix_versions[2];
                    558:                } else
                    559:                        p = unix_versions[0];
                    560:        }
                    561:
1.85      schwarze  562:        free(man->meta.source);
                    563:        man->meta.source = mandoc_strdup(p);
1.70      kristaps  564:        return(1);
                    565: }
                    566:
                    567: static int
                    568: post_vs(CHKARGS)
                    569: {
                    570:
1.82      schwarze  571:        if (NULL != n->prev)
                    572:                return(1);
                    573:
                    574:        switch (n->parent->tok) {
                    575:        case (MAN_SH):
                    576:                /* FALLTHROUGH */
                    577:        case (MAN_SS):
1.85      schwarze  578:                man_nmsg(man, n, MANDOCERR_IGNPAR);
1.82      schwarze  579:                /* FALLTHROUGH */
                    580:        case (MAN_MAX):
                    581:                /*
                    582:                 * Don't warn about this because it occurs in pod2man
                    583:                 * and would cause considerable (unfixable) warnage.
                    584:                 */
1.85      schwarze  585:                man_node_delete(man, n);
1.82      schwarze  586:                break;
                    587:        default:
                    588:                break;
                    589:        }
1.70      kristaps  590:
1.51      kristaps  591:        return(1);
                    592: }

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