version 1.22, 2009/08/21 12:12:12 |
version 1.130, 2017/06/17 22:43:14 |
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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> |
|
* Copyright (c) 2010, 2012-2017 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 |
* copyright notice and this permission notice appear in all copies. |
* copyright notice and this permission notice appear in all copies. |
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* 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 "libman.h" |
#include "mandoc_aux.h" |
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#include "mandoc.h" |
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#include "roff.h" |
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#include "man.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#include "roff_int.h" |
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#include "libman.h" |
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#define CHKARGS struct man *m, const struct man_node *n |
#define CHKARGS struct roff_man *man, struct roff_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_par(CHKARGS); |
v_check *pres; |
static void check_part(CHKARGS); |
v_check *posts; |
static void check_root(CHKARGS); |
}; |
static void check_text(CHKARGS); |
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static int check_bline(CHKARGS); |
static void post_AT(CHKARGS); |
static int check_eq0(CHKARGS); |
static void post_IP(CHKARGS); |
static int check_eq1(CHKARGS); |
static void post_OP(CHKARGS); |
static int check_ge2(CHKARGS); |
static void post_TH(CHKARGS); |
static int check_le5(CHKARGS); |
static void post_UC(CHKARGS); |
static int check_par(CHKARGS); |
static void post_UR(CHKARGS); |
static int check_root(CHKARGS); |
static void post_in(CHKARGS); |
static int check_sec(CHKARGS); |
static void post_vs(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 const v_check __man_valids[MAN_MAX - MAN_TH] = { |
static v_check posts_ge2_le5[] = { check_ge2, check_le5, NULL }; |
post_TH, /* TH */ |
static v_check posts_par[] = { check_par, NULL }; |
NULL, /* SH */ |
static v_check posts_sec[] = { check_sec, NULL }; |
NULL, /* SS */ |
static v_check posts_sp[] = { check_sp, 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 */ |
{ NULL, NULL }, /* SM */ |
NULL, /* I */ |
{ NULL, NULL }, /* SB */ |
NULL, /* IR */ |
{ NULL, NULL }, /* BI */ |
NULL, /* RI */ |
{ NULL, NULL }, /* IB */ |
NULL, /* nf */ |
{ NULL, NULL }, /* BR */ |
NULL, /* fi */ |
{ NULL, NULL }, /* RB */ |
NULL, /* RE */ |
{ NULL, NULL }, /* R */ |
check_part, /* RS */ |
{ NULL, NULL }, /* B */ |
NULL, /* DT */ |
{ NULL, NULL }, /* I */ |
post_UC, /* UC */ |
{ NULL, NULL }, /* IR */ |
NULL, /* PD */ |
{ NULL, NULL }, /* RI */ |
post_AT, /* AT */ |
{ pres_bline, posts_eq0 }, /* na */ |
post_in, /* in */ |
{ NULL, NULL }, /* i */ |
post_OP, /* OP */ |
{ pres_bline, posts_sp }, /* sp */ |
NULL, /* EX */ |
{ pres_bline, posts_eq0 }, /* nf */ |
NULL, /* EE */ |
{ pres_bline, posts_eq0 }, /* fi */ |
post_UR, /* UR */ |
{ NULL, NULL }, /* r */ |
NULL, /* UE */ |
{ NULL, NULL }, /* RE */ |
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{ NULL, NULL }, /* RS */ /* FIXME: warn if empty body. */ |
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{ NULL, NULL }, /* DT */ |
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}; |
}; |
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static const v_check *man_valids = __man_valids - MAN_TH; |
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int |
void |
man_valid_pre(struct man *m, const struct man_node *n) |
man_node_validate(struct roff_man *man) |
{ |
{ |
v_check *cp; |
struct roff_node *n; |
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const v_check *cp; |
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if (MAN_TEXT == n->type) |
n = man->last; |
return(1); |
man->last = man->last->child; |
if (MAN_ROOT == n->type) |
while (man->last != NULL) { |
return(1); |
man_node_validate(man); |
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if (man->last == n) |
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man->last = man->last->child; |
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else |
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man->last = man->last->next; |
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} |
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if (NULL == (cp = man_valids[n->tok].pres)) |
man->last = n; |
return(1); |
man->next = ROFF_NEXT_SIBLING; |
for ( ; *cp; cp++) |
switch (n->type) { |
if ( ! (*cp)(m, n)) |
case ROFFT_TEXT: |
return(0); |
check_text(man, n); |
return(1); |
break; |
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case ROFFT_ROOT: |
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check_root(man, n); |
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break; |
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case ROFFT_EQN: |
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case ROFFT_TBL: |
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break; |
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default: |
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if (n->tok < ROFF_MAX) { |
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switch (n->tok) { |
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case ROFF_br: |
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case ROFF_sp: |
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post_vs(man, n); |
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break; |
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default: |
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roff_validate(man); |
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break; |
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} |
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break; |
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} |
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assert(n->tok >= MAN_TH && n->tok < MAN_MAX); |
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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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if (man->last == n) |
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man_state(man, n); |
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break; |
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} |
} |
} |
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static void |
int |
check_root(CHKARGS) |
man_valid_post(struct man *m) |
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{ |
{ |
v_check *cp; |
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if (MAN_VALID & m->last->flags) |
assert((man->flags & (MAN_BLINE | MAN_ELINE)) == 0); |
return(1); |
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m->last->flags |= MAN_VALID; |
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switch (m->last->type) { |
if (NULL == man->first->child) |
case (MAN_TEXT): |
mandoc_msg(MANDOCERR_DOC_EMPTY, man->parse, |
return(check_text(m, m->last)); |
n->line, n->pos, NULL); |
case (MAN_ROOT): |
else |
return(check_root(m, m->last)); |
man->meta.hasbody = 1; |
default: |
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break; |
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, NULL, n->line, n->pos); |
} |
} |
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if (NULL == (cp = man_valids[m->last->tok].posts)) |
if (man->meta.os_e && |
return(1); |
(man->meta.rcsids & (1 << man->meta.os_e)) == 0) |
for ( ; *cp; cp++) |
mandoc_msg(MANDOCERR_RCS_MISSING, man->parse, 0, 0, NULL); |
if ( ! (*cp)(m, m->last)) |
} |
return(0); |
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return(1); |
static void |
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check_text(CHKARGS) |
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{ |
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char *cp, *p; |
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if (MAN_LITERAL & man->flags) |
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return; |
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cp = n->string; |
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for (p = cp; NULL != (p = strchr(p, '\t')); p++) |
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mandoc_msg(MANDOCERR_FI_TAB, man->parse, |
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n->line, n->pos + (p - cp), NULL); |
} |
} |
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static void |
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post_OP(CHKARGS) |
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{ |
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static int |
if (n->child == NULL) |
check_root(CHKARGS) |
mandoc_msg(MANDOCERR_OP_EMPTY, man->parse, |
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n->line, n->pos, "OP"); |
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else if (n->child->next != NULL && n->child->next->next != NULL) { |
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n = n->child->next->next; |
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mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse, |
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n->line, n->pos, "OP ... %s", n->string); |
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} |
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} |
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static void |
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post_UR(CHKARGS) |
{ |
{ |
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if (MAN_BLINE & m->flags) |
if (n->type == ROFFT_HEAD && n->child == NULL) |
return(man_nwarn(m, n, WEXITSCOPE)); |
mandoc_vmsg(MANDOCERR_UR_NOHEAD, man->parse, |
if (MAN_ELINE & m->flags) |
n->line, n->pos, "UR"); |
return(man_nwarn(m, n, WEXITSCOPE)); |
check_part(man, n); |
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} |
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m->flags &= ~MAN_BLINE; |
static void |
m->flags &= ~MAN_ELINE; |
check_part(CHKARGS) |
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{ |
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if (NULL == m->first->child) |
if (n->type == ROFFT_BODY && n->child == NULL) |
return(man_nerr(m, n, WNODATA)); |
mandoc_msg(MANDOCERR_BLK_EMPTY, man->parse, |
if (NULL == m->meta.title) |
n->line, n->pos, roff_name[n->tok]); |
return(man_nerr(m, n, WNOTITLE)); |
} |
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return(1); |
static void |
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check_par(CHKARGS) |
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{ |
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switch (n->type) { |
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case ROFFT_BLOCK: |
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if (n->body->child == NULL) |
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roff_node_delete(man, n); |
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break; |
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case ROFFT_BODY: |
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if (n->child == NULL) |
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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", roff_name[n->tok]); |
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break; |
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case ROFFT_HEAD: |
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if (n->child != NULL) |
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mandoc_vmsg(MANDOCERR_ARG_SKIP, |
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man->parse, n->line, n->pos, "%s %s%s", |
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roff_name[n->tok], n->child->string, |
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n->child->next != NULL ? " ..." : ""); |
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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 ROFFT_BLOCK: |
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if (n->head->child == NULL && n->body->child == NULL) |
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roff_node_delete(man, n); |
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break; |
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case ROFFT_BODY: |
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if (n->parent->head->child == NULL && n->child == NULL) |
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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", roff_name[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 roff_node *nb; |
const char *p; |
const char *p; |
int pos, c; |
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assert(n->string); |
free(man->meta.title); |
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free(man->meta.vol); |
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free(man->meta.os); |
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free(man->meta.msec); |
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free(man->meta.date); |
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for (p = n->string, pos = n->pos + 1; *p; p++, pos++) { |
man->meta.title = man->meta.vol = man->meta.date = |
if ('\\' == *p) { |
man->meta.msec = man->meta.os = NULL; |
c = mandoc_special(p); |
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if (c) { |
nb = n; |
p += c - 1; |
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pos += c - 1; |
/* ->TITLE<- MSEC DATE OS VOL */ |
continue; |
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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 OS 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<- OS 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, n->string, 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 ->OS<- 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.os = mandoc_strdup(n->string); |
INEQ_DEFINE(2, >=, ge2) |
else if (man->defos != NULL) |
INEQ_DEFINE(5, <=, le5) |
man->meta.os = mandoc_strdup(man->defos); |
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man->meta.os_e = man->meta.os == NULL ? MDOC_OS_OTHER : |
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strstr(man->meta.os, "OpenBSD") != NULL ? MDOC_OS_OPENBSD : |
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strstr(man->meta.os, "NetBSD") != NULL ? MDOC_OS_NETBSD : |
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MDOC_OS_OTHER; |
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/* TITLE MSEC DATE OS ->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) |
if (n != NULL && (n = n->next) != NULL) |
return(1); |
mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse, |
else if ( ! check_eq1(m, n)) |
n->line, n->pos, "TH ... %s", n->string); |
return(0); |
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assert(MAN_TEXT == n->child->type); |
/* |
buf = n->child->string; |
* Remove the `TH' node after we've processed it for our |
assert(buf); |
* meta-data. |
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*/ |
/* From OpenBSD's strtol(3). */ |
roff_node_delete(man, man->last); |
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} |
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errno = 0; |
static void |
lval = strtol(buf, &ep, 10); |
post_UC(CHKARGS) |
if (buf[0] == '\0' || *ep != '\0') |
{ |
return(man_nerr(m, n->child, WNUMFMT)); |
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 ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) || |
const char *p, *s; |
(lval > INT_MAX || lval < 0)) |
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return(man_nerr(m, n->child, WNUMFMT)); |
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return(1); |
n = n->child; |
} |
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if (n == NULL || n->type != ROFFT_TEXT) |
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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")) |
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p = bsd_versions[1]; |
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else if (0 == strcmp(s, "5")) |
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p = bsd_versions[2]; |
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else if (0 == strcmp(s, "6")) |
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p = bsd_versions[3]; |
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else if (0 == strcmp(s, "7")) |
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p = bsd_versions[4]; |
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else |
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p = bsd_versions[0]; |
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} |
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static int |
free(man->meta.os); |
check_sec(CHKARGS) |
man->meta.os = mandoc_strdup(p); |
{ |
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|
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if (MAN_BODY == n->type && 0 == n->nchild) |
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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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static void |
static int |
post_AT(CHKARGS) |
check_par(CHKARGS) |
|
{ |
{ |
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static const char * const unix_versions[] = { |
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"7th Edition", |
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"System III", |
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"System V", |
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"System V Release 2", |
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}; |
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if (MAN_BODY == n->type) |
struct roff_node *nn; |
switch (n->tok) { |
const char *p, *s; |
case (MAN_IP): |
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/* FALLTHROUGH */ |
|
case (MAN_HP): |
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/* FALLTHROUGH */ |
|
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) { |
|
case (MAN_PP): |
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/* FALLTHROUGH */ |
|
case (MAN_P): |
|
/* FALLTHROUGH */ |
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case (MAN_LP): |
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if (0 == n->nchild) |
|
break; |
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return(man_nwarn(m, n, WNHEADARGS)); |
|
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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|
|
return(1); |
n = n->child; |
} |
|
|
|
|
if (n == NULL || n->type != ROFFT_TEXT) |
|
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 != NULL && |
|
nn->type == ROFFT_TEXT && |
|
nn->string[0] != '\0') |
|
p = unix_versions[3]; |
|
else |
|
p = unix_versions[2]; |
|
} else |
|
p = unix_versions[0]; |
|
} |
|
|
static int |
free(man->meta.os); |
check_bline(CHKARGS) |
man->meta.os = mandoc_strdup(p); |
|
} |
|
|
|
static void |
|
post_in(CHKARGS) |
{ |
{ |
|
char *s; |
|
|
assert( ! (MAN_ELINE & m->flags)); |
if (n->parent->tok != MAN_TP || |
if (MAN_BLINE & m->flags) |
n->parent->type != ROFFT_HEAD || |
return(man_nerr(m, n, WLNSCOPE)); |
n->child == NULL || |
return(1); |
*n->child->string == '+' || |
|
*n->child->string == '-') |
|
return; |
|
mandoc_asprintf(&s, "+%s", n->child->string); |
|
free(n->child->string); |
|
n->child->string = s; |
} |
} |
|
|
|
static void |
|
post_vs(CHKARGS) |
|
{ |
|
|
|
if (NULL != n->prev) |
|
return; |
|
|
|
switch (n->parent->tok) { |
|
case MAN_SH: |
|
case MAN_SS: |
|
case MAN_PP: |
|
case MAN_LP: |
|
case MAN_P: |
|
mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos, |
|
"%s after %s", roff_name[n->tok], |
|
roff_name[n->parent->tok]); |
|
/* FALLTHROUGH */ |
|
case TOKEN_NONE: |
|
/* |
|
* Don't warn about this because it occurs in pod2man |
|
* and would cause considerable (unfixable) warnage. |
|
*/ |
|
roff_node_delete(man, n); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |