version 1.1, 2009/03/25 15:36:05 |
version 1.6, 2009/04/06 08:53:12 |
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#include <sys/utsname.h> |
#include <sys/utsname.h> |
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#include <assert.h> |
#include <assert.h> |
#include <err.h> |
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#include <errno.h> |
#include <errno.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include "libmdoc.h" |
#include "libmdoc.h" |
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/* |
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* Actions are executed on macros after they've been post-validated: in |
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* other words, a macro will not be "acted upon" until all of its |
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* children have been filled in (post-fix order). |
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*/ |
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enum mwarn { |
enum mwarn { |
WBADSEC, |
WBADSEC, |
WNOWIDTH, |
WNOWIDTH, |
WBADDATE |
WBADDATE |
}; |
}; |
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enum merr { |
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ETOOLONG, |
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EMALLOC, |
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ENUMFMT |
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}; |
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#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n |
#define PRE_ARGS struct mdoc *m, const struct mdoc_node *n |
#define POST_ARGS struct mdoc *m |
#define POST_ARGS struct mdoc *m |
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}; |
}; |
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static int pwarn(struct mdoc *, int, int, enum mwarn); |
static int pwarn(struct mdoc *, int, int, enum mwarn); |
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static int perr(struct mdoc *, int, int, enum merr); |
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static int concat(struct mdoc *, const struct mdoc_node *, |
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char *, size_t); |
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static int post_ar(POST_ARGS); |
static int post_ar(POST_ARGS); |
static int post_bl(POST_ARGS); |
static int post_bl(POST_ARGS); |
Line 65 static int post_std(POST_ARGS); |
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Line 67 static int post_std(POST_ARGS); |
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static int pre_bd(PRE_ARGS); |
static int pre_bd(PRE_ARGS); |
static int pre_dl(PRE_ARGS); |
static int pre_dl(PRE_ARGS); |
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#define mwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t)) |
#define vwarn(m, t) pwarn((m), (m)->last->line, (m)->last->pos, (t)) |
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#define verr(m, t) perr((m), (m)->last->line, (m)->last->pos, (t)) |
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#define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t)) |
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const struct actions mdoc_actions[MDOC_MAX] = { |
const struct actions mdoc_actions[MDOC_MAX] = { |
{ NULL, NULL }, /* \" */ |
{ NULL, NULL }, /* \" */ |
Line 190 const struct actions mdoc_actions[MDOC_MAX] = { |
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Line 194 const struct actions mdoc_actions[MDOC_MAX] = { |
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}; |
}; |
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#ifdef __linux__ |
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extern size_t strlcat(char *, const char *, size_t); |
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#endif |
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int |
int |
mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n) |
mdoc_action_pre(struct mdoc *m, const struct mdoc_node *n) |
{ |
{ |
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switch (n->type) { |
switch (n->type) { |
case (MDOC_ROOT): |
case (MDOC_ROOT): |
break; |
/* FALLTHROUGH */ |
case (MDOC_TEXT): |
case (MDOC_TEXT): |
break; |
return(1); |
default: |
default: |
if (NULL == mdoc_actions[m->last->tok].pre) |
break; |
break; |
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return((*mdoc_actions[m->last->tok].pre)(m, n)); |
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} |
} |
return(1); |
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if (NULL == mdoc_actions[n->tok].pre) |
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return(1); |
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return((*mdoc_actions[n->tok].pre)(m, n)); |
} |
} |
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Line 218 mdoc_action_post(struct mdoc *m) |
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Line 228 mdoc_action_post(struct mdoc *m) |
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switch (m->last->type) { |
switch (m->last->type) { |
case (MDOC_TEXT): |
case (MDOC_TEXT): |
break; |
/* FALLTHROUGH */ |
case (MDOC_ROOT): |
case (MDOC_ROOT): |
break; |
return(1); |
default: |
default: |
if (NULL == mdoc_actions[m->last->tok].post) |
break; |
break; |
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return((*mdoc_actions[m->last->tok].post)(m)); |
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} |
} |
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if (NULL == mdoc_actions[m->last->tok].post) |
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return(1); |
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return((*mdoc_actions[m->last->tok].post)(m)); |
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} |
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static int |
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concat(struct mdoc *m, const struct mdoc_node *n, |
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char *buf, size_t sz) |
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{ |
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for ( ; n; n = n->next) { |
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assert(MDOC_TEXT == n->type); |
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if (strlcat(buf, n->string, sz) >= sz) |
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return(nerr(m, n, ETOOLONG)); |
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if (NULL == n->next) |
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continue; |
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if (strlcat(buf, " ", sz) >= sz) |
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return(nerr(m, n, ETOOLONG)); |
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} |
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return(1); |
return(1); |
} |
} |
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static int |
static int |
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perr(struct mdoc *m, int line, int pos, enum merr type) |
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{ |
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char *p; |
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p = NULL; |
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switch (type) { |
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case (ENUMFMT): |
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p = "bad number format"; |
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break; |
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case (ETOOLONG): |
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p = "argument text too long"; |
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break; |
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case (EMALLOC): |
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p = "memory exhausted"; |
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break; |
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} |
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assert(p); |
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return(mdoc_perr(m, line, pos, p)); |
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} |
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static int |
pwarn(struct mdoc *m, int line, int pos, enum mwarn type) |
pwarn(struct mdoc *m, int line, int pos, enum mwarn type) |
{ |
{ |
char *p; |
char *p; |
Line 238 pwarn(struct mdoc *m, int line, int pos, enum mwarn ty |
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Line 290 pwarn(struct mdoc *m, int line, int pos, enum mwarn ty |
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p = NULL; |
p = NULL; |
c = WARN_SYNTAX; |
c = WARN_SYNTAX; |
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switch (type) { |
switch (type) { |
case (WBADSEC): |
case (WBADSEC): |
p = "inappropriate document section in manual section"; |
p = "inappropriate document section in manual section"; |
Line 251 pwarn(struct mdoc *m, int line, int pos, enum mwarn ty |
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Line 302 pwarn(struct mdoc *m, int line, int pos, enum mwarn ty |
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p = "malformed date syntax"; |
p = "malformed date syntax"; |
break; |
break; |
} |
} |
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assert(p); |
assert(p); |
return(mdoc_pwarn(m, line, pos, c, p)); |
return(mdoc_pwarn(m, line, pos, c, p)); |
} |
} |
Line 275 post_std(POST_ARGS) |
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Line 325 post_std(POST_ARGS) |
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m->last->args->argv[0].value = calloc(1, sizeof(char *)); |
m->last->args->argv[0].value = calloc(1, sizeof(char *)); |
if (NULL == m->last->args->argv[0].value) |
if (NULL == m->last->args->argv[0].value) |
err(1, "calloc"); |
return(verr(m, EMALLOC)); |
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m->last->args->argv[0].sz = 1; |
m->last->args->argv[0].sz = 1; |
m->last->args->argv[0].value[0] = xstrdup(m->meta.name); |
m->last->args->argv[0].value[0] = strdup(m->meta.name); |
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if (NULL == m->last->args->argv[0].value[0]) |
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return(verr(m, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
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Line 291 post_nm(POST_ARGS) |
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Line 344 post_nm(POST_ARGS) |
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if (m->meta.name) |
if (m->meta.name) |
return(1); |
return(1); |
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(void)xstrlcpys(buf, m->last->child, sizeof(buf)); |
printf("bar\n"); |
m->meta.name = xstrdup(buf); |
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buf[0] = 0; |
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if ( ! concat(m, m->last->child, buf, sizeof(buf))) |
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return(0); |
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printf("foo\n"); |
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if (NULL == (m->meta.name = strdup(buf))) |
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return(verr(m, EMALLOC)); |
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printf("baz\n"); |
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return(1); |
return(1); |
} |
} |
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Line 313 post_sh(POST_ARGS) |
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Line 376 post_sh(POST_ARGS) |
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if (MDOC_HEAD != m->last->type) |
if (MDOC_HEAD != m->last->type) |
return(1); |
return(1); |
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(void)xstrlcpys(buf, m->last->child, sizeof(buf)); |
buf[0] = 0; |
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if ( ! concat(m, m->last->child, buf, sizeof(buf))) |
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return(0); |
if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) |
if (SEC_CUSTOM != (sec = mdoc_atosec(buf))) |
m->lastnamed = sec; |
m->lastnamed = sec; |
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Line 329 post_sh(POST_ARGS) |
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Line 394 post_sh(POST_ARGS) |
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case (9): |
case (9): |
break; |
break; |
default: |
default: |
return(mwarn(m, WBADSEC)); |
return(vwarn(m, WBADSEC)); |
} |
} |
break; |
break; |
default: |
default: |
Line 362 post_dt(POST_ARGS) |
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Line 427 post_dt(POST_ARGS) |
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*/ |
*/ |
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if (NULL == (n = m->last->child)) { |
if (NULL == (n = m->last->child)) { |
m->meta.title = xstrdup("unknown"); |
if (NULL == (m->meta.title = strdup("unknown"))) |
m->meta.vol = xstrdup("local"); |
return(verr(m, EMALLOC)); |
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if (NULL == (m->meta.vol = strdup("local"))) |
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return(verr(m, EMALLOC)); |
return(post_prol(m)); |
return(post_prol(m)); |
} |
} |
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Line 371 post_dt(POST_ARGS) |
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Line 438 post_dt(POST_ARGS) |
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* --> title = TITLE, volume = local, msec = 0, arch = NULL |
* --> title = TITLE, volume = local, msec = 0, arch = NULL |
*/ |
*/ |
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m->meta.title = xstrdup(n->string); |
if (NULL == (m->meta.title = strdup(n->string))) |
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return(verr(m, EMALLOC)); |
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if (NULL == (n = n->next)) { |
if (NULL == (n = n->next)) { |
m->meta.vol = xstrdup("local"); |
if (NULL == (m->meta.vol = strdup("local"))) |
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return(verr(m, EMALLOC)); |
return(post_prol(m)); |
return(post_prol(m)); |
} |
} |
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Line 387 post_dt(POST_ARGS) |
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Line 456 post_dt(POST_ARGS) |
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cp = mdoc_a2msec(n->string); |
cp = mdoc_a2msec(n->string); |
if (cp) { |
if (cp) { |
m->meta.vol = xstrdup(cp); |
if (NULL == (m->meta.vol = strdup(cp))) |
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return(verr(m, EMALLOC)); |
errno = 0; |
errno = 0; |
lval = strtol(n->string, &ep, 10); |
lval = strtol(n->string, &ep, 10); |
if (n->string[0] != '\0' && *ep == '\0') |
if (n->string[0] != '\0' && *ep == '\0') |
m->meta.msec = (int)lval; |
m->meta.msec = (int)lval; |
} else |
} else if (NULL == (m->meta.vol = strdup(n->string))) |
m->meta.vol = xstrdup(n->string); |
return(verr(m, EMALLOC)); |
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if (NULL == (n = n->next)) |
if (NULL == (n = n->next)) |
return(post_prol(m)); |
return(post_prol(m)); |
Line 408 post_dt(POST_ARGS) |
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Line 478 post_dt(POST_ARGS) |
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cp = mdoc_a2vol(n->string); |
cp = mdoc_a2vol(n->string); |
if (cp) { |
if (cp) { |
free(m->meta.vol); |
free(m->meta.vol); |
m->meta.vol = xstrdup(cp); |
if (NULL == (m->meta.vol = strdup(cp))) |
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return(verr(m, EMALLOC)); |
n = n->next; |
n = n->next; |
} else { |
} else { |
cp = mdoc_a2arch(n->string); |
cp = mdoc_a2arch(n->string); |
if (NULL == cp) { |
if (NULL == cp) { |
free(m->meta.vol); |
free(m->meta.vol); |
m->meta.vol = xstrdup(n->string); |
if (NULL == (m->meta.vol = strdup(n->string))) |
} else |
return(verr(m, EMALLOC)); |
m->meta.arch = xstrdup(cp); |
} else if (NULL == (m->meta.arch = strdup(cp))) |
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return(verr(m, EMALLOC)); |
} |
} |
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/* Ignore any subsequent parameters... */ |
/* Ignore any subsequent parameters... */ |
Line 434 post_os(POST_ARGS) |
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Line 506 post_os(POST_ARGS) |
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if (m->meta.os) |
if (m->meta.os) |
free(m->meta.os); |
free(m->meta.os); |
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(void)xstrlcpys(buf, m->last->child, sizeof(buf)); |
buf[0] = 0; |
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if ( ! concat(m, m->last->child, buf, sizeof(buf))) |
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return(0); |
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if (0 == buf[0]) { |
if (0 == buf[0]) { |
if (-1 == uname(&utsname)) |
if (-1 == uname(&utsname)) |
return(mdoc_err(m, "utsname")); |
return(mdoc_err(m, "utsname")); |
(void)xstrlcpy(buf, utsname.sysname, sizeof(buf)); |
if (strlcat(buf, utsname.sysname, 64) >= 64) |
(void)xstrlcat(buf, " ", sizeof(buf)); |
return(verr(m, ETOOLONG)); |
(void)xstrlcat(buf, utsname.release, sizeof(buf)); |
if (strlcat(buf, " ", 64) >= 64) |
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return(verr(m, ETOOLONG)); |
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if (strlcat(buf, utsname.release, 64) >= 64) |
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return(verr(m, ETOOLONG)); |
} |
} |
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m->meta.os = xstrdup(buf); |
if (NULL == (m->meta.os = strdup(buf))) |
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return(verr(m, EMALLOC)); |
m->lastnamed = m->lastsec = SEC_BODY; |
m->lastnamed = m->lastsec = SEC_BODY; |
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return(post_prol(m)); |
return(post_prol(m)); |
Line 478 post_bl_tagwidth(struct mdoc *m) |
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Line 556 post_bl_tagwidth(struct mdoc *m) |
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if (n) { |
if (n) { |
if (MDOC_TEXT != n->type) { |
if (MDOC_TEXT != n->type) { |
if (0 == (sz = (int)mdoc_macro2len(n->tok))) |
if (0 == (sz = (int)mdoc_macro2len(n->tok))) |
if ( ! mwarn(m, WNOWIDTH)) |
if ( ! vwarn(m, WNOWIDTH)) |
return(0); |
return(0); |
} else |
} else |
sz = (int)strlen(n->string) + 1; |
sz = (int)strlen(n->string) + 1; |
} |
} |
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(void)snprintf(buf, sizeof(buf), "%dn", sz); |
if (-1 == snprintf(buf, sizeof(buf), "%dn", sz)) |
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return(verr(m, ENUMFMT)); |
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/* |
/* |
* We have to dynamically add this to the macro's argument list. |
* We have to dynamically add this to the macro's argument list. |
Line 493 post_bl_tagwidth(struct mdoc *m) |
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Line 572 post_bl_tagwidth(struct mdoc *m) |
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n = m->last; |
n = m->last; |
assert(n->args); |
assert(n->args); |
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sz = (int)(n->args->argc)++; |
sz = (int)(n->args->argc)++; |
n->args->argv = xrealloc(n->args->argv, |
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n->args->argv = realloc(n->args->argv, |
n->args->argc * sizeof(struct mdoc_argv)); |
n->args->argc * sizeof(struct mdoc_argv)); |
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if (NULL == n->args->argv) |
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return(verr(m, EMALLOC)); |
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n->args->argv[sz].arg = MDOC_Width; |
n->args->argv[sz].arg = MDOC_Width; |
n->args->argv[sz].line = m->last->line; |
n->args->argv[sz].line = m->last->line; |
n->args->argv[sz].pos = m->last->pos; |
n->args->argv[sz].pos = m->last->pos; |
n->args->argv[sz].sz = 1; |
n->args->argv[sz].sz = 1; |
n->args->argv[sz].value = calloc(1, sizeof(char *)); |
n->args->argv[sz].value = calloc(1, sizeof(char *)); |
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if (NULL == n->args->argv[sz].value) |
if (NULL == n->args->argv[sz].value) |
err(1, "calloc"); |
return(verr(m, EMALLOC)); |
n->args->argv[sz].value[0] = xstrdup(buf); |
if (NULL == (n->args->argv[sz].value[0] = strdup(buf))) |
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return(verr(m, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
Line 528 post_bl_width(struct mdoc *m) |
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Line 612 post_bl_width(struct mdoc *m) |
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if (i == (int)m->last->args->argc) |
if (i == (int)m->last->args->argc) |
return(1); |
return(1); |
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p = m->last->args->argv[i].value[0]; |
p = m->last->args->argv[i].value[0]; |
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/* |
/* |
Line 536 post_bl_width(struct mdoc *m) |
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Line 619 post_bl_width(struct mdoc *m) |
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* the macro's width as set in share/tmac/mdoc/doc-common. |
* the macro's width as set in share/tmac/mdoc/doc-common. |
*/ |
*/ |
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if (xstrcmp(p, "Ds")) |
if (0 == strcmp(p, "Ds")) |
width = 8; |
width = 8; |
else if (MDOC_MAX == (tok = mdoc_tokhash_find(m->htab, p))) |
else if (MDOC_MAX == (tok = mdoc_hash_find(m->htab, p))) |
return(1); |
return(1); |
else if (0 == (width = mdoc_macro2len(tok))) |
else if (0 == (width = mdoc_macro2len(tok))) |
return(mwarn(m, WNOWIDTH)); |
return(vwarn(m, WNOWIDTH)); |
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/* The value already exists: free and reallocate it. */ |
/* The value already exists: free and reallocate it. */ |
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(void)snprintf(buf, sizeof(buf), "%zun", width); |
if (-1 == snprintf(buf, sizeof(buf), "%zun", width)) |
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return(verr(m, ENUMFMT)); |
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free(m->last->args->argv[i].value[0]); |
free(m->last->args->argv[i].value[0]); |
m->last->args->argv[i].value[0] = xstrdup(buf); |
m->last->args->argv[i].value[0] = strdup(buf); |
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if (NULL == m->last->args->argv[i].value[0]) |
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return(verr(m, EMALLOC)); |
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return(1); |
return(1); |
} |
} |
Line 619 post_dd(POST_ARGS) |
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Line 705 post_dd(POST_ARGS) |
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{ |
{ |
char buf[64]; |
char buf[64]; |
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(void)xstrlcpys(buf, m->last->child, sizeof(buf)); |
buf[0] = 0; |
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if ( ! concat(m, m->last->child, buf, sizeof(buf))) |
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return(0); |
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if (0 == (m->meta.date = mdoc_atotime(buf))) { |
if (0 == (m->meta.date = mdoc_atotime(buf))) { |
if ( ! mwarn(m, WBADDATE)) |
if ( ! vwarn(m, WBADDATE)) |
return(0); |
return(0); |
m->meta.date = time(NULL); |
m->meta.date = time(NULL); |
} |
} |
Line 681 pre_bd(PRE_ARGS) |
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Line 769 pre_bd(PRE_ARGS) |
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if (MDOC_BODY != n->type) |
if (MDOC_BODY != n->type) |
return(1); |
return(1); |
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/* |
/* Enter literal context if `Bd -literal' or * -unfilled'. */ |
* We ONLY enter a literal context if `Bd -literal' or `Bd |
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* -unfilled'. |
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*/ |
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n = n->parent; |
for (n = n->parent, i = 0; i < (int)n->args->argc; i++) |
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for (i = 0; i < (int)n->args->argc; i++) |
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if (MDOC_Literal == n->args->argv[i].arg) |
if (MDOC_Literal == n->args->argv[i].arg) |
break; |
break; |
else if (MDOC_Unfilled == n->args->argv[i].arg) |
else if (MDOC_Unfilled == n->args->argv[i].arg) |