version 1.21, 2009/08/20 11:51:07 |
version 1.109, 2015/01/24 02:41:49 |
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/* $Id$ */ |
/* $OpenBSD$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
|
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
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#include "config.h" |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
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#include <limits.h> |
#include <limits.h> |
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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#include "man.h" |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "libman.h" |
#include "libman.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#define CHKARGS struct man *m, const struct man_node *n |
#define CHKARGS struct man *man, struct man_node *n |
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typedef int (*v_check)(CHKARGS); |
typedef void (*v_check)(CHKARGS); |
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struct man_valid { |
static void check_eq0(CHKARGS); |
v_check *pres; |
static void check_eq2(CHKARGS); |
v_check *posts; |
static void check_le1(CHKARGS); |
}; |
static void check_le5(CHKARGS); |
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static void check_par(CHKARGS); |
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static void check_part(CHKARGS); |
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static void check_root(CHKARGS); |
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static void check_text(CHKARGS); |
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static int check_bline(CHKARGS); |
static void post_AT(CHKARGS); |
static int check_eline(CHKARGS); |
static void post_IP(CHKARGS); |
static int check_eq0(CHKARGS); |
static void post_vs(CHKARGS); |
static int check_eq1(CHKARGS); |
static void post_fi(CHKARGS); |
static int check_ge2(CHKARGS); |
static void post_ft(CHKARGS); |
static int check_le5(CHKARGS); |
static void post_nf(CHKARGS); |
static int check_par(CHKARGS); |
static void post_TH(CHKARGS); |
static int check_root(CHKARGS); |
static void post_UC(CHKARGS); |
static int check_sec(CHKARGS); |
static void post_UR(CHKARGS); |
static int check_sp(CHKARGS); |
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static int check_text(CHKARGS); |
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static v_check posts_eq0[] = { check_eq0, NULL }; |
static v_check man_valids[MAN_MAX] = { |
static v_check posts_ge2_le5[] = { check_ge2, check_le5, NULL }; |
post_vs, /* br */ |
static v_check posts_par[] = { check_par, NULL }; |
post_TH, /* TH */ |
static v_check posts_sec[] = { check_sec, NULL }; |
NULL, /* SH */ |
static v_check posts_sp[] = { check_sp, NULL }; |
NULL, /* SS */ |
static v_check pres_eline[] = { check_eline, NULL }; |
NULL, /* TP */ |
static v_check pres_bline[] = { check_bline, NULL }; |
check_par, /* LP */ |
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check_par, /* PP */ |
static const struct man_valid man_valids[MAN_MAX] = { |
check_par, /* P */ |
{ pres_bline, posts_eq0 }, /* br */ |
post_IP, /* IP */ |
{ pres_bline, posts_ge2_le5 }, /* TH */ |
NULL, /* HP */ |
{ pres_bline, posts_sec }, /* SH */ |
NULL, /* SM */ |
{ pres_bline, posts_sec }, /* SS */ |
NULL, /* SB */ |
{ pres_bline, posts_par }, /* TP */ |
NULL, /* BI */ |
{ pres_bline, posts_par }, /* LP */ |
NULL, /* IB */ |
{ pres_bline, posts_par }, /* PP */ |
NULL, /* BR */ |
{ pres_bline, posts_par }, /* P */ |
NULL, /* RB */ |
{ pres_bline, posts_par }, /* IP */ |
NULL, /* R */ |
{ pres_bline, posts_par }, /* HP */ |
NULL, /* B */ |
{ pres_eline, NULL }, /* SM */ |
NULL, /* I */ |
{ pres_eline, NULL }, /* SB */ |
NULL, /* IR */ |
{ NULL, NULL }, /* BI */ |
NULL, /* RI */ |
{ NULL, NULL }, /* IB */ |
post_vs, /* sp */ |
{ NULL, NULL }, /* BR */ |
post_nf, /* nf */ |
{ NULL, NULL }, /* RB */ |
post_fi, /* fi */ |
{ pres_eline, NULL }, /* R */ |
NULL, /* RE */ |
{ pres_eline, NULL }, /* B */ |
check_part, /* RS */ |
{ pres_eline, NULL }, /* I */ |
NULL, /* DT */ |
{ NULL, NULL }, /* IR */ |
post_UC, /* UC */ |
{ NULL, NULL }, /* RI */ |
check_le1, /* PD */ |
{ pres_bline, posts_eq0 }, /* na */ |
post_AT, /* AT */ |
{ NULL, NULL }, /* i */ |
NULL, /* in */ |
{ pres_bline, posts_sp }, /* sp */ |
post_ft, /* ft */ |
{ pres_bline, posts_eq0 }, /* nf */ |
check_eq2, /* OP */ |
{ pres_bline, posts_eq0 }, /* fi */ |
post_nf, /* EX */ |
{ NULL, NULL }, /* r */ |
post_fi, /* EE */ |
{ NULL, NULL }, /* RE */ |
post_UR, /* UR */ |
{ NULL, NULL }, /* RS */ /* FIXME: warn if empty body. */ |
NULL, /* UE */ |
{ NULL, NULL }, /* DT */ |
NULL, /* ll */ |
}; |
}; |
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int |
void |
man_valid_pre(struct man *m, const struct man_node *n) |
man_valid_post(struct man *man) |
{ |
{ |
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struct man_node *n; |
v_check *cp; |
v_check *cp; |
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if (MAN_TEXT == n->type) |
n = man->last; |
return(1); |
if (n->flags & MAN_VALID) |
if (MAN_ROOT == n->type) |
return; |
return(1); |
n->flags |= MAN_VALID; |
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if (NULL == (cp = man_valids[n->tok].pres)) |
switch (n->type) { |
return(1); |
case MAN_TEXT: |
for ( ; *cp; cp++) |
check_text(man, n); |
if ( ! (*cp)(m, n)) |
break; |
return(0); |
case MAN_ROOT: |
return(1); |
check_root(man, n); |
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break; |
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case MAN_EQN: |
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/* FALLTHROUGH */ |
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case MAN_TBL: |
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break; |
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default: |
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cp = man_valids + n->tok; |
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if (*cp) |
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(*cp)(man, n); |
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break; |
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} |
} |
} |
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static void |
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check_root(CHKARGS) |
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{ |
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int |
assert((man->flags & (MAN_BLINE | MAN_ELINE)) == 0); |
man_valid_post(struct man *m) |
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if (NULL == man->first->child) |
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mandoc_msg(MANDOCERR_DOC_EMPTY, man->parse, |
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n->line, n->pos, NULL); |
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else |
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man->meta.hasbody = 1; |
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if (NULL == man->meta.title) { |
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mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse, |
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n->line, n->pos, NULL); |
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/* |
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* If a title hasn't been set, do so now (by |
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* implication, date and section also aren't set). |
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*/ |
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man->meta.title = mandoc_strdup(""); |
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man->meta.msec = mandoc_strdup(""); |
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man->meta.date = man->quick ? mandoc_strdup("") : |
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mandoc_normdate(man->parse, NULL, n->line, n->pos); |
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} |
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} |
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static void |
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check_text(CHKARGS) |
{ |
{ |
v_check *cp; |
char *cp, *p; |
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if (MAN_VALID & m->last->flags) |
if (MAN_LITERAL & man->flags) |
return(1); |
return; |
m->last->flags |= MAN_VALID; |
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switch (m->last->type) { |
cp = n->string; |
case (MAN_TEXT): |
for (p = cp; NULL != (p = strchr(p, '\t')); p++) |
return(check_text(m, m->last)); |
mandoc_msg(MANDOCERR_FI_TAB, man->parse, |
case (MAN_ROOT): |
n->line, n->pos + (p - cp), NULL); |
return(check_root(m, m->last)); |
} |
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#define INEQ_DEFINE(x, ineq, name) \ |
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static void \ |
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check_##name(CHKARGS) \ |
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{ \ |
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if (n->nchild ineq (x)) \ |
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return; \ |
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mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \ |
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"line arguments %s %d (have %d)", \ |
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#ineq, (x), n->nchild); \ |
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} |
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INEQ_DEFINE(0, ==, eq0) |
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INEQ_DEFINE(2, ==, eq2) |
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INEQ_DEFINE(1, <=, le1) |
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INEQ_DEFINE(5, <=, le5) |
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static void |
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post_UR(CHKARGS) |
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{ |
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if (MAN_HEAD == n->type && 1 != n->nchild) |
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mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, |
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n->pos, "line arguments eq 1 (have %d)", n->nchild); |
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check_part(man, n); |
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} |
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static void |
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post_ft(CHKARGS) |
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{ |
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char *cp; |
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int ok; |
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if (0 == n->nchild) |
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return; |
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ok = 0; |
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cp = n->child->string; |
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switch (*cp) { |
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case '1': |
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/* FALLTHROUGH */ |
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case '2': |
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/* FALLTHROUGH */ |
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case '3': |
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/* FALLTHROUGH */ |
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case '4': |
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/* FALLTHROUGH */ |
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case 'I': |
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/* FALLTHROUGH */ |
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case 'P': |
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/* FALLTHROUGH */ |
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case 'R': |
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if ('\0' == cp[1]) |
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ok = 1; |
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break; |
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case 'B': |
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if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2])) |
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ok = 1; |
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break; |
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case 'C': |
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if ('W' == cp[1] && '\0' == cp[2]) |
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ok = 1; |
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break; |
default: |
default: |
break; |
break; |
} |
} |
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if (NULL == (cp = man_valids[m->last->tok].posts)) |
if (0 == ok) { |
return(1); |
mandoc_vmsg(MANDOCERR_FT_BAD, man->parse, |
for ( ; *cp; cp++) |
n->line, n->pos, "ft %s", cp); |
if ( ! (*cp)(m, m->last)) |
*cp = '\0'; |
return(0); |
} |
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return(1); |
if (1 < n->nchild) |
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mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, |
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n->pos, "want one child (have %d)", n->nchild); |
} |
} |
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static void |
static int |
check_part(CHKARGS) |
check_root(CHKARGS) |
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{ |
{ |
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/* XXX - make this into a warning? */ |
if (MAN_BODY == n->type && 0 == n->nchild) |
if (MAN_BLINE & m->flags) |
mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line, |
return(man_nerr(m, n, WEXITSCOPE)); |
n->pos, "want children (have none)"); |
/* XXX - make this into a warning? */ |
} |
if (MAN_ELINE & m->flags) |
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return(man_nerr(m, n, WEXITSCOPE)); |
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if (NULL == m->first->child) |
static void |
return(man_nerr(m, n, WNODATA)); |
check_par(CHKARGS) |
if (NULL == m->meta.title) |
{ |
return(man_nerr(m, n, WNOTITLE)); |
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return(1); |
switch (n->type) { |
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case MAN_BLOCK: |
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if (0 == n->body->nchild) |
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man_node_delete(man, n); |
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break; |
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case MAN_BODY: |
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if (0 == n->nchild) |
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mandoc_vmsg(MANDOCERR_PAR_SKIP, |
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man->parse, n->line, n->pos, |
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"%s empty", man_macronames[n->tok]); |
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break; |
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case MAN_HEAD: |
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if (n->nchild) |
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mandoc_vmsg(MANDOCERR_ARG_SKIP, |
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man->parse, n->line, n->pos, |
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"%s %s%s", man_macronames[n->tok], |
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n->child->string, |
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n->nchild > 1 ? " ..." : ""); |
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break; |
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default: |
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break; |
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} |
} |
} |
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static void |
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post_IP(CHKARGS) |
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{ |
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static int |
switch (n->type) { |
check_text(CHKARGS) |
case MAN_BLOCK: |
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if (0 == n->head->nchild && 0 == n->body->nchild) |
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man_node_delete(man, n); |
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break; |
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case MAN_BODY: |
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if (0 == n->parent->head->nchild && 0 == n->nchild) |
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mandoc_vmsg(MANDOCERR_PAR_SKIP, |
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man->parse, n->line, n->pos, |
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"%s empty", man_macronames[n->tok]); |
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break; |
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default: |
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break; |
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} |
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} |
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static void |
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post_TH(CHKARGS) |
{ |
{ |
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struct man_node *nb; |
const char *p; |
const char *p; |
int pos, c; |
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assert(n->string); |
check_le5(man, n); |
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for (p = n->string, pos = n->pos + 1; *p; p++, pos++) { |
free(man->meta.title); |
if ('\\' == *p) { |
free(man->meta.vol); |
c = mandoc_special(p); |
free(man->meta.source); |
if (c) { |
free(man->meta.msec); |
p += c - 1; |
free(man->meta.date); |
pos += c - 1; |
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continue; |
man->meta.title = man->meta.vol = man->meta.date = |
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man->meta.msec = man->meta.source = NULL; |
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nb = n; |
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/* ->TITLE<- MSEC DATE SOURCE VOL */ |
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n = n->child; |
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if (n && n->string) { |
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for (p = n->string; '\0' != *p; p++) { |
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/* Only warn about this once... */ |
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if (isalpha((unsigned char)*p) && |
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! isupper((unsigned char)*p)) { |
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mandoc_vmsg(MANDOCERR_TITLE_CASE, |
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man->parse, n->line, |
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n->pos + (p - n->string), |
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"TH %s", n->string); |
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break; |
} |
} |
if ( ! (MAN_IGN_ESCAPE & m->pflags)) |
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return(man_perr(m, n->line, pos, WESCAPE)); |
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if ( ! man_pwarn(m, n->line, pos, WESCAPE)) |
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return(0); |
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continue; |
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} |
} |
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man->meta.title = mandoc_strdup(n->string); |
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} else { |
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man->meta.title = mandoc_strdup(""); |
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mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse, |
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nb->line, nb->pos, "TH"); |
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} |
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if ('\t' == *p || isprint((u_char)*p)) |
/* TITLE ->MSEC<- DATE SOURCE VOL */ |
continue; |
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if (MAN_IGN_CHARS & m->pflags) |
if (n) |
return(man_pwarn(m, n->line, pos, WNPRINT)); |
n = n->next; |
return(man_perr(m, n->line, pos, WNPRINT)); |
if (n && n->string) |
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man->meta.msec = mandoc_strdup(n->string); |
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else { |
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man->meta.msec = mandoc_strdup(""); |
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mandoc_vmsg(MANDOCERR_MSEC_MISSING, man->parse, |
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nb->line, nb->pos, "TH %s", man->meta.title); |
} |
} |
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return(1); |
/* TITLE MSEC ->DATE<- SOURCE VOL */ |
} |
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if (n) |
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n = n->next; |
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if (n && n->string && '\0' != n->string[0]) { |
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man->meta.date = man->quick ? |
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mandoc_strdup(n->string) : |
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mandoc_normdate(man->parse, n->string, |
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n->line, n->pos); |
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} else { |
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man->meta.date = mandoc_strdup(""); |
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mandoc_msg(MANDOCERR_DATE_MISSING, man->parse, |
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n ? n->line : nb->line, |
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n ? n->pos : nb->pos, "TH"); |
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} |
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#define INEQ_DEFINE(x, ineq, name) \ |
/* TITLE MSEC DATE ->SOURCE<- VOL */ |
static int \ |
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check_##name(CHKARGS) \ |
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{ \ |
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if (n->nchild ineq (x)) \ |
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return(1); \ |
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return(man_verr(m, n->line, n->pos, \ |
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"expected line arguments %s %d, have %d", \ |
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#ineq, (x), n->nchild)); \ |
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} |
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INEQ_DEFINE(0, ==, eq0) |
if (n && (n = n->next)) |
INEQ_DEFINE(1, ==, eq1) |
man->meta.source = mandoc_strdup(n->string); |
INEQ_DEFINE(2, >=, ge2) |
else if (man->defos != NULL) |
INEQ_DEFINE(5, <=, le5) |
man->meta.source = mandoc_strdup(man->defos); |
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/* TITLE MSEC DATE SOURCE ->VOL<- */ |
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/* If missing, use the default VOL name for MSEC. */ |
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static int |
if (n && (n = n->next)) |
check_sp(CHKARGS) |
man->meta.vol = mandoc_strdup(n->string); |
{ |
else if ('\0' != man->meta.msec[0] && |
long lval; |
(NULL != (p = mandoc_a2msec(man->meta.msec)))) |
char *ep, *buf; |
man->meta.vol = mandoc_strdup(p); |
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if (NULL == n->child) |
/* |
return(1); |
* Remove the `TH' node after we've processed it for our |
else if ( ! check_eq1(m, n)) |
* meta-data. |
return(0); |
*/ |
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man_node_delete(man, man->last); |
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} |
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assert(MAN_TEXT == n->child->type); |
static void |
buf = n->child->string; |
post_nf(CHKARGS) |
assert(buf); |
{ |
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/* From OpenBSD's strtol(3). */ |
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errno = 0; |
check_eq0(man, n); |
lval = strtol(buf, &ep, 10); |
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if (buf[0] == '\0' || *ep != '\0') |
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return(man_nerr(m, n->child, WNUMFMT)); |
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if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) || |
if (MAN_LITERAL & man->flags) |
(lval > INT_MAX || lval < 0)) |
mandoc_msg(MANDOCERR_NF_SKIP, man->parse, |
return(man_nerr(m, n->child, WNUMFMT)); |
n->line, n->pos, "nf"); |
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return(1); |
man->flags |= MAN_LITERAL; |
} |
} |
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static void |
static int |
post_fi(CHKARGS) |
check_sec(CHKARGS) |
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{ |
{ |
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if (MAN_BODY == n->type && 0 == n->nchild) |
check_eq0(man, n); |
return(man_nwarn(m, n, WBODYARGS)); |
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if (MAN_HEAD == n->type && 0 == n->nchild) |
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return(man_nerr(m, n, WHEADARGS)); |
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return(1); |
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} |
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if ( ! (MAN_LITERAL & man->flags)) |
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mandoc_msg(MANDOCERR_FI_SKIP, man->parse, |
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n->line, n->pos, "fi"); |
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static int |
man->flags &= ~MAN_LITERAL; |
check_par(CHKARGS) |
} |
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static void |
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post_UC(CHKARGS) |
{ |
{ |
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static const char * const bsd_versions[] = { |
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"3rd Berkeley Distribution", |
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"4th Berkeley Distribution", |
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"4.2 Berkeley Distribution", |
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"4.3 Berkeley Distribution", |
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"4.4 Berkeley Distribution", |
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}; |
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if (MAN_BODY == n->type) |
const char *p, *s; |
switch (n->tok) { |
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case (MAN_IP): |
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/* FALLTHROUGH */ |
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case (MAN_HP): |
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/* FALLTHROUGH */ |
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case (MAN_TP): |
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/* Body-less lists are ok. */ |
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break; |
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default: |
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if (n->nchild) |
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break; |
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return(man_nwarn(m, n, WBODYARGS)); |
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} |
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if (MAN_HEAD == n->type) |
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switch (n->tok) { |
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case (MAN_PP): |
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/* FALLTHROUGH */ |
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case (MAN_P): |
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/* FALLTHROUGH */ |
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case (MAN_LP): |
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if (0 == n->nchild) |
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break; |
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return(man_nwarn(m, n, WNHEADARGS)); |
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default: |
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if (n->nchild) |
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break; |
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return(man_nwarn(m, n, WHEADARGS)); |
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} |
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|
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return(1); |
n = n->child; |
} |
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|
|
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if (NULL == n || MAN_TEXT != n->type) |
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p = bsd_versions[0]; |
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else { |
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s = n->string; |
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if (0 == strcmp(s, "3")) |
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p = bsd_versions[0]; |
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else if (0 == strcmp(s, "4")) |
|
p = bsd_versions[1]; |
|
else if (0 == strcmp(s, "5")) |
|
p = bsd_versions[2]; |
|
else if (0 == strcmp(s, "6")) |
|
p = bsd_versions[3]; |
|
else if (0 == strcmp(s, "7")) |
|
p = bsd_versions[4]; |
|
else |
|
p = bsd_versions[0]; |
|
} |
|
|
static int |
free(man->meta.source); |
check_eline(CHKARGS) |
man->meta.source = mandoc_strdup(p); |
|
} |
|
|
|
static void |
|
post_AT(CHKARGS) |
{ |
{ |
|
static const char * const unix_versions[] = { |
|
"7th Edition", |
|
"System III", |
|
"System V", |
|
"System V Release 2", |
|
}; |
|
|
if (MAN_ELINE & m->flags) |
const char *p, *s; |
return(man_nerr(m, n, WLNSCOPE)); |
struct man_node *nn; |
return(1); |
|
} |
|
|
|
|
n = n->child; |
|
|
static int |
if (NULL == n || MAN_TEXT != n->type) |
check_bline(CHKARGS) |
p = unix_versions[0]; |
{ |
else { |
|
s = n->string; |
|
if (0 == strcmp(s, "3")) |
|
p = unix_versions[0]; |
|
else if (0 == strcmp(s, "4")) |
|
p = unix_versions[1]; |
|
else if (0 == strcmp(s, "5")) { |
|
nn = n->next; |
|
if (nn && MAN_TEXT == nn->type && nn->string[0]) |
|
p = unix_versions[3]; |
|
else |
|
p = unix_versions[2]; |
|
} else |
|
p = unix_versions[0]; |
|
} |
|
|
if (MAN_BLINE & m->flags) |
free(man->meta.source); |
return(man_nerr(m, n, WLNSCOPE)); |
man->meta.source = mandoc_strdup(p); |
if (MAN_ELINE & m->flags) |
|
return(man_nerr(m, n, WLNSCOPE)); |
|
return(1); |
|
} |
} |
|
|
|
static void |
|
post_vs(CHKARGS) |
|
{ |
|
|
|
if (n->tok == MAN_br) |
|
check_eq0(man, n); |
|
else |
|
check_le1(man, n); |
|
|
|
if (NULL != n->prev) |
|
return; |
|
|
|
switch (n->parent->tok) { |
|
case MAN_SH: |
|
/* FALLTHROUGH */ |
|
case MAN_SS: |
|
mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos, |
|
"%s after %s", man_macronames[n->tok], |
|
man_macronames[n->parent->tok]); |
|
/* FALLTHROUGH */ |
|
case MAN_MAX: |
|
/* |
|
* Don't warn about this because it occurs in pod2man |
|
* and would cause considerable (unfixable) warnage. |
|
*/ |
|
man_node_delete(man, n); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |