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Annotation of mandoc/man_validate.c, Revision 1.90

1.90    ! schwarze    1: /*     $Id: man_validate.c,v 1.89 2014/03/23 11:25:26 schwarze Exp $ */
1.1       kristaps    2: /*
1.63      schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.88      schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 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"
1.89      schwarze   35: #include "mandoc_aux.h"
1.1       kristaps   36: #include "libman.h"
1.15      kristaps   37: #include "libmandoc.h"
1.1       kristaps   38:
1.85      schwarze   39: #define        CHKARGS   struct man *man, struct man_node *n
1.1       kristaps   40:
1.17      kristaps   41: typedef        int     (*v_check)(CHKARGS);
1.1       kristaps   42:
                     43: struct man_valid {
1.17      kristaps   44:        v_check  *pres;
                     45:        v_check  *posts;
1.1       kristaps   46: };
                     47:
1.17      kristaps   48: static int       check_eq0(CHKARGS);
1.80      kristaps   49: static int       check_eq2(CHKARGS);
1.25      kristaps   50: static int       check_le1(CHKARGS);
1.17      kristaps   51: static int       check_ge2(CHKARGS);
                     52: static int       check_le5(CHKARGS);
1.86      schwarze   53: static int       check_head1(CHKARGS);
1.17      kristaps   54: static int       check_par(CHKARGS);
1.23      kristaps   55: static int       check_part(CHKARGS);
1.17      kristaps   56: static int       check_root(CHKARGS);
1.75      kristaps   57: static void      check_text(CHKARGS);
1.17      kristaps   58:
1.51      kristaps   59: static int       post_AT(CHKARGS);
1.83      schwarze   60: static int       post_IP(CHKARGS);
1.70      kristaps   61: static int       post_vs(CHKARGS);
1.51      kristaps   62: static int       post_fi(CHKARGS);
1.73      kristaps   63: static int       post_ft(CHKARGS);
1.51      kristaps   64: static int       post_nf(CHKARGS);
1.73      kristaps   65: static int       post_sec(CHKARGS);
1.51      kristaps   66: static int       post_TH(CHKARGS);
                     67: static int       post_UC(CHKARGS);
1.73      kristaps   68: static int       pre_sec(CHKARGS);
1.51      kristaps   69:
                     70: static v_check   posts_at[] = { post_AT, NULL };
1.70      kristaps   71: static v_check   posts_br[] = { post_vs, check_eq0, NULL };
1.17      kristaps   72: static v_check   posts_eq0[] = { check_eq0, NULL };
1.80      kristaps   73: static v_check   posts_eq2[] = { check_eq2, NULL };
1.51      kristaps   74: static v_check   posts_fi[] = { check_eq0, post_fi, NULL };
1.73      kristaps   75: static v_check   posts_ft[] = { post_ft, NULL };
1.83      schwarze   76: static v_check   posts_ip[] = { post_IP, NULL };
1.84      schwarze   77: static v_check   posts_le1[] = { check_le1, NULL };
1.51      kristaps   78: static v_check   posts_nf[] = { check_eq0, post_nf, NULL };
1.17      kristaps   79: static v_check   posts_par[] = { check_par, NULL };
1.23      kristaps   80: static v_check   posts_part[] = { check_part, NULL };
1.73      kristaps   81: static v_check   posts_sec[] = { post_sec, NULL };
1.70      kristaps   82: static v_check   posts_sp[] = { post_vs, check_le1, NULL };
1.60      schwarze   83: static v_check   posts_th[] = { check_ge2, check_le5, post_TH, NULL };
1.51      kristaps   84: static v_check   posts_uc[] = { post_UC, NULL };
1.86      schwarze   85: static v_check   posts_ur[] = { check_head1, check_part, NULL };
1.78      schwarze   86: static v_check   pres_sec[] = { pre_sec, NULL };
1.1       kristaps   87:
                     88: static const struct man_valid man_valids[MAN_MAX] = {
1.70      kristaps   89:        { NULL, posts_br }, /* br */
1.78      schwarze   90:        { NULL, posts_th }, /* TH */
1.73      kristaps   91:        { pres_sec, posts_sec }, /* SH */
                     92:        { pres_sec, posts_sec }, /* SS */
1.78      schwarze   93:        { NULL, NULL }, /* TP */
                     94:        { NULL, posts_par }, /* LP */
                     95:        { NULL, posts_par }, /* PP */
                     96:        { NULL, posts_par }, /* P */
1.83      schwarze   97:        { NULL, posts_ip }, /* IP */
1.78      schwarze   98:        { NULL, NULL }, /* HP */
1.22      kristaps   99:        { NULL, NULL }, /* SM */
                    100:        { NULL, NULL }, /* SB */
1.17      kristaps  101:        { NULL, NULL }, /* BI */
                    102:        { NULL, NULL }, /* IB */
                    103:        { NULL, NULL }, /* BR */
                    104:        { NULL, NULL }, /* RB */
1.22      kristaps  105:        { NULL, NULL }, /* R */
                    106:        { NULL, NULL }, /* B */
                    107:        { NULL, NULL }, /* I */
1.17      kristaps  108:        { NULL, NULL }, /* IR */
                    109:        { NULL, NULL }, /* RI */
1.80      kristaps  110:        { NULL, posts_eq0 }, /* na */
                    111:        { NULL, posts_sp }, /* sp */
1.78      schwarze  112:        { NULL, posts_nf }, /* nf */
                    113:        { NULL, posts_fi }, /* fi */
1.19      kristaps  114:        { NULL, NULL }, /* RE */
1.23      kristaps  115:        { NULL, posts_part }, /* RS */
1.21      kristaps  116:        { NULL, NULL }, /* DT */
1.51      kristaps  117:        { NULL, posts_uc }, /* UC */
1.84      schwarze  118:        { NULL, posts_le1 }, /* PD */
1.51      kristaps  119:        { NULL, posts_at }, /* AT */
1.47      kristaps  120:        { NULL, NULL }, /* in */
1.55      kristaps  121:        { NULL, posts_ft }, /* ft */
1.80      kristaps  122:        { NULL, posts_eq2 }, /* OP */
1.81      schwarze  123:        { NULL, posts_nf }, /* EX */
                    124:        { NULL, posts_fi }, /* EE */
1.86      schwarze  125:        { NULL, posts_ur }, /* UR */
                    126:        { NULL, NULL }, /* UE */
1.90    ! schwarze  127:        { NULL, NULL }, /* ll */
1.1       kristaps  128: };
                    129:
                    130:
                    131: int
1.85      schwarze  132: man_valid_pre(struct man *man, struct man_node *n)
1.17      kristaps  133: {
                    134:        v_check         *cp;
                    135:
1.57      kristaps  136:        switch (n->type) {
                    137:        case (MAN_TEXT):
                    138:                /* FALLTHROUGH */
                    139:        case (MAN_ROOT):
1.61      kristaps  140:                /* FALLTHROUGH */
                    141:        case (MAN_EQN):
1.57      kristaps  142:                /* FALLTHROUGH */
                    143:        case (MAN_TBL):
1.17      kristaps  144:                return(1);
1.57      kristaps  145:        default:
                    146:                break;
                    147:        }
1.17      kristaps  148:
                    149:        if (NULL == (cp = man_valids[n->tok].pres))
                    150:                return(1);
                    151:        for ( ; *cp; cp++)
1.85      schwarze  152:                if ( ! (*cp)(man, n))
1.17      kristaps  153:                        return(0);
                    154:        return(1);
                    155: }
                    156:
                    157:
                    158: int
1.85      schwarze  159: man_valid_post(struct man *man)
1.1       kristaps  160: {
1.17      kristaps  161:        v_check         *cp;
1.1       kristaps  162:
1.85      schwarze  163:        if (MAN_VALID & man->last->flags)
1.1       kristaps  164:                return(1);
1.85      schwarze  165:        man->last->flags |= MAN_VALID;
1.1       kristaps  166:
1.85      schwarze  167:        switch (man->last->type) {
1.75      kristaps  168:        case (MAN_TEXT):
1.85      schwarze  169:                check_text(man, man->last);
1.75      kristaps  170:                return(1);
1.1       kristaps  171:        case (MAN_ROOT):
1.85      schwarze  172:                return(check_root(man, man->last));
1.62      kristaps  173:        case (MAN_EQN):
                    174:                /* FALLTHROUGH */
1.57      kristaps  175:        case (MAN_TBL):
                    176:                return(1);
1.1       kristaps  177:        default:
                    178:                break;
                    179:        }
                    180:
1.85      schwarze  181:        if (NULL == (cp = man_valids[man->last->tok].posts))
1.1       kristaps  182:                return(1);
                    183:        for ( ; *cp; cp++)
1.85      schwarze  184:                if ( ! (*cp)(man, man->last))
1.1       kristaps  185:                        return(0);
                    186:
                    187:        return(1);
                    188: }
                    189:
                    190:
1.11      kristaps  191: static int
1.17      kristaps  192: check_root(CHKARGS)
1.14      kristaps  193: {
1.17      kristaps  194:
1.85      schwarze  195:        if (MAN_BLINE & man->flags)
                    196:                man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
                    197:        else if (MAN_ELINE & man->flags)
                    198:                man_nmsg(man, n, MANDOCERR_SCOPEEXIT);
1.22      kristaps  199:
1.85      schwarze  200:        man->flags &= ~MAN_BLINE;
                    201:        man->flags &= ~MAN_ELINE;
1.17      kristaps  202:
1.85      schwarze  203:        if (NULL == man->first->child) {
                    204:                man_nmsg(man, n, MANDOCERR_NODOCBODY);
1.41      kristaps  205:                return(0);
1.85      schwarze  206:        } else if (NULL == man->meta.title) {
                    207:                man_nmsg(man, n, MANDOCERR_NOTITLE);
1.54      kristaps  208:
1.34      kristaps  209:                /*
                    210:                 * If a title hasn't been set, do so now (by
                    211:                 * implication, date and section also aren't set).
                    212:                 */
1.54      kristaps  213:
1.85      schwarze  214:                man->meta.title = mandoc_strdup("unknown");
                    215:                man->meta.msec = mandoc_strdup("1");
1.88      schwarze  216:                man->meta.date = man->quick ? mandoc_strdup("") :
                    217:                    mandoc_normdate(man->parse, NULL, n->line, n->pos);
1.34      kristaps  218:        }
1.32      kristaps  219:
                    220:        return(1);
1.75      kristaps  221: }
                    222:
                    223: static void
                    224: check_text(CHKARGS)
                    225: {
                    226:        char            *cp, *p;
                    227:
1.85      schwarze  228:        if (MAN_LITERAL & man->flags)
1.76      schwarze  229:                return;
                    230:
                    231:        cp = n->string;
                    232:        for (p = cp; NULL != (p = strchr(p, '\t')); p++)
1.85      schwarze  233:                man_pmsg(man, n->line, (int)(p - cp), MANDOCERR_BADTAB);
1.1       kristaps  234: }
                    235:
                    236: #define        INEQ_DEFINE(x, ineq, name) \
                    237: static int \
1.17      kristaps  238: check_##name(CHKARGS) \
1.1       kristaps  239: { \
1.11      kristaps  240:        if (n->nchild ineq (x)) \
1.1       kristaps  241:                return(1); \
1.85      schwarze  242:        mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \
1.41      kristaps  243:                        "line arguments %s %d (have %d)", \
                    244:                        #ineq, (x), n->nchild); \
1.60      schwarze  245:        return(1); \
1.1       kristaps  246: }
                    247:
                    248: INEQ_DEFINE(0, ==, eq0)
1.80      kristaps  249: INEQ_DEFINE(2, ==, eq2)
1.25      kristaps  250: INEQ_DEFINE(1, <=, le1)
1.1       kristaps  251: INEQ_DEFINE(2, >=, ge2)
                    252: INEQ_DEFINE(5, <=, le5)
1.86      schwarze  253:
                    254: static int
                    255: check_head1(CHKARGS)
                    256: {
                    257:
                    258:        if (MAN_HEAD == n->type && 1 != n->nchild)
                    259:                mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
                    260:                    n->pos, "line arguments eq 1 (have %d)", n->nchild);
                    261:
                    262:        return(1);
                    263: }
1.1       kristaps  264:
1.55      kristaps  265: static int
1.73      kristaps  266: post_ft(CHKARGS)
1.55      kristaps  267: {
                    268:        char    *cp;
                    269:        int      ok;
                    270:
                    271:        if (0 == n->nchild)
                    272:                return(1);
                    273:
                    274:        ok = 0;
                    275:        cp = n->child->string;
                    276:        switch (*cp) {
                    277:        case ('1'):
                    278:                /* FALLTHROUGH */
                    279:        case ('2'):
                    280:                /* FALLTHROUGH */
                    281:        case ('3'):
                    282:                /* FALLTHROUGH */
                    283:        case ('4'):
                    284:                /* FALLTHROUGH */
                    285:        case ('I'):
                    286:                /* FALLTHROUGH */
                    287:        case ('P'):
                    288:                /* FALLTHROUGH */
                    289:        case ('R'):
                    290:                if ('\0' == cp[1])
                    291:                        ok = 1;
                    292:                break;
                    293:        case ('B'):
                    294:                if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
                    295:                        ok = 1;
                    296:                break;
                    297:        case ('C'):
                    298:                if ('W' == cp[1] && '\0' == cp[2])
                    299:                        ok = 1;
                    300:                break;
                    301:        default:
                    302:                break;
                    303:        }
                    304:
                    305:        if (0 == ok) {
1.65      kristaps  306:                mandoc_vmsg
1.85      schwarze  307:                        (MANDOCERR_BADFONT, man->parse,
1.65      kristaps  308:                         n->line, n->pos, "%s", cp);
1.55      kristaps  309:                *cp = '\0';
                    310:        }
                    311:
                    312:        if (1 < n->nchild)
1.65      kristaps  313:                mandoc_vmsg
1.85      schwarze  314:                        (MANDOCERR_ARGCOUNT, man->parse, n->line,
1.65      kristaps  315:                         n->pos, "want one child (have %d)",
                    316:                         n->nchild);
1.55      kristaps  317:
                    318:        return(1);
                    319: }
1.16      kristaps  320:
                    321: static int
1.73      kristaps  322: pre_sec(CHKARGS)
                    323: {
                    324:
                    325:        if (MAN_BLOCK == n->type)
1.85      schwarze  326:                man->flags &= ~MAN_LITERAL;
1.73      kristaps  327:        return(1);
                    328: }
                    329:
                    330: static int
                    331: post_sec(CHKARGS)
1.17      kristaps  332: {
1.16      kristaps  333:
1.69      kristaps  334:        if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
                    335:                return(1);
1.41      kristaps  336:
1.85      schwarze  337:        man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT);
1.69      kristaps  338:        return(0);
1.16      kristaps  339: }
1.17      kristaps  340:
                    341: static int
1.23      kristaps  342: check_part(CHKARGS)
                    343: {
                    344:
                    345:        if (MAN_BODY == n->type && 0 == n->nchild)
1.85      schwarze  346:                mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line,
1.67      kristaps  347:                                n->pos, "want children (have none)");
1.54      kristaps  348:
1.23      kristaps  349:        return(1);
                    350: }
                    351:
                    352:
                    353: static int
1.17      kristaps  354: check_par(CHKARGS)
                    355: {
                    356:
1.59      kristaps  357:        switch (n->type) {
                    358:        case (MAN_BLOCK):
                    359:                if (0 == n->body->nchild)
1.85      schwarze  360:                        man_node_delete(man, n);
1.59      kristaps  361:                break;
                    362:        case (MAN_BODY):
                    363:                if (0 == n->nchild)
1.85      schwarze  364:                        man_nmsg(man, n, MANDOCERR_IGNPAR);
1.59      kristaps  365:                break;
                    366:        case (MAN_HEAD):
                    367:                if (n->nchild)
1.85      schwarze  368:                        man_nmsg(man, n, MANDOCERR_ARGSLOST);
1.59      kristaps  369:                break;
                    370:        default:
                    371:                break;
                    372:        }
1.17      kristaps  373:
                    374:        return(1);
                    375: }
                    376:
1.83      schwarze  377: static int
                    378: post_IP(CHKARGS)
                    379: {
                    380:
                    381:        switch (n->type) {
                    382:        case (MAN_BLOCK):
                    383:                if (0 == n->head->nchild && 0 == n->body->nchild)
1.85      schwarze  384:                        man_node_delete(man, n);
1.83      schwarze  385:                break;
                    386:        case (MAN_BODY):
                    387:                if (0 == n->parent->head->nchild && 0 == n->nchild)
1.85      schwarze  388:                        man_nmsg(man, n, MANDOCERR_IGNPAR);
1.83      schwarze  389:                break;
                    390:        default:
                    391:                break;
                    392:        }
                    393:        return(1);
                    394: }
1.17      kristaps  395:
1.51      kristaps  396: static int
                    397: post_TH(CHKARGS)
                    398: {
1.60      schwarze  399:        const char      *p;
1.51      kristaps  400:
1.85      schwarze  401:        free(man->meta.title);
                    402:        free(man->meta.vol);
                    403:        free(man->meta.source);
                    404:        free(man->meta.msec);
                    405:        free(man->meta.date);
1.51      kristaps  406:
1.85      schwarze  407:        man->meta.title = man->meta.vol = man->meta.date =
                    408:                man->meta.msec = man->meta.source = NULL;
1.51      kristaps  409:
                    410:        /* ->TITLE<- MSEC DATE SOURCE VOL */
                    411:
                    412:        n = n->child;
1.60      schwarze  413:        if (n && n->string) {
                    414:                for (p = n->string; '\0' != *p; p++) {
                    415:                        /* Only warn about this once... */
1.71      kristaps  416:                        if (isalpha((unsigned char)*p) &&
                    417:                                        ! isupper((unsigned char)*p)) {
1.85      schwarze  418:                                man_nmsg(man, n, MANDOCERR_UPPERCASE);
1.60      schwarze  419:                                break;
                    420:                        }
                    421:                }
1.85      schwarze  422:                man->meta.title = mandoc_strdup(n->string);
1.60      schwarze  423:        } else
1.85      schwarze  424:                man->meta.title = mandoc_strdup("");
1.51      kristaps  425:
                    426:        /* TITLE ->MSEC<- DATE SOURCE VOL */
                    427:
1.60      schwarze  428:        if (n)
                    429:                n = n->next;
                    430:        if (n && n->string)
1.85      schwarze  431:                man->meta.msec = mandoc_strdup(n->string);
1.60      schwarze  432:        else
1.85      schwarze  433:                man->meta.msec = mandoc_strdup("");
1.51      kristaps  434:
                    435:        /* TITLE MSEC ->DATE<- SOURCE VOL */
                    436:
1.60      schwarze  437:        if (n)
                    438:                n = n->next;
1.77      schwarze  439:        if (n && n->string && '\0' != n->string[0]) {
1.88      schwarze  440:                man->meta.date = man->quick ?
                    441:                    mandoc_strdup(n->string) :
                    442:                    mandoc_normdate(man->parse, n->string,
                    443:                        n->line, n->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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