version 1.31, 2010/08/24 13:07:01 |
version 1.40, 2011/03/17 09:16:38 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011 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 |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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#define DATESIZE 32 |
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static int a2time(time_t *, const char *, const char *); |
static int a2time(time_t *, const char *, const char *); |
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static char *time2a(time_t); |
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int |
int |
mandoc_special(char *p) |
mandoc_special(char *p) |
{ |
{ |
Line 59 mandoc_special(char *p) |
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Line 62 mandoc_special(char *p) |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('R'): |
case ('R'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('o'): |
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/* FALLTHROUGH */ |
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case ('N'): |
case ('N'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('l'): |
case ('l'): |
Line 128 mandoc_special(char *p) |
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Line 129 mandoc_special(char *p) |
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p++; |
p++; |
} |
} |
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/* Handle embedded numerical subexp or escape. */ |
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if ('(' == *p) { |
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while (*p && ')' != *p) |
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if ('\\' == *p++) { |
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i = mandoc_special(--p); |
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if (0 == i) |
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return(0); |
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p += i; |
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} |
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if (')' == *p++) |
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break; |
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return(0); |
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} else if ('\\' == *p) { |
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if (0 == (i = mandoc_special(p))) |
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return(0); |
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p += i; |
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} |
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break; |
break; |
#if 0 |
#if 0 |
case ('Y'): |
case ('Y'): |
Line 138 mandoc_special(char *p) |
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Line 160 mandoc_special(char *p) |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('n'): |
case ('n'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
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#endif |
case ('k'): |
case ('k'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
#endif |
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case ('M'): |
case ('M'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('m'): |
case ('m'): |
Line 172 mandoc_special(char *p) |
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Line 194 mandoc_special(char *p) |
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case ('z'): |
case ('z'): |
len = 1; |
len = 1; |
if ('\\' == *p) { |
if ('\\' == *p) { |
p += mandoc_special(p); |
if (0 == (i = mandoc_special(p))) |
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return(0); |
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p += i; |
return(*p ? (int)(p - sv) : 0); |
return(*p ? (int)(p - sv) : 0); |
} |
} |
break; |
break; |
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case ('o'): |
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/* FALLTHROUGH */ |
case ('w'): |
case ('w'): |
if ('\'' == *p++) { |
if ('\'' == *p++) { |
term = '\''; |
term = '\''; |
Line 210 mandoc_calloc(size_t num, size_t size) |
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Line 236 mandoc_calloc(size_t num, size_t size) |
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ptr = calloc(num, size); |
ptr = calloc(num, size); |
if (NULL == ptr) { |
if (NULL == ptr) { |
perror(NULL); |
perror(NULL); |
exit(MANDOCLEVEL_SYSERR); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 225 mandoc_malloc(size_t size) |
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Line 251 mandoc_malloc(size_t size) |
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ptr = malloc(size); |
ptr = malloc(size); |
if (NULL == ptr) { |
if (NULL == ptr) { |
perror(NULL); |
perror(NULL); |
exit(MANDOCLEVEL_SYSERR); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 239 mandoc_realloc(void *ptr, size_t size) |
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Line 265 mandoc_realloc(void *ptr, size_t size) |
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ptr = realloc(ptr, size); |
ptr = realloc(ptr, size); |
if (NULL == ptr) { |
if (NULL == ptr) { |
perror(NULL); |
perror(NULL); |
exit(MANDOCLEVEL_SYSERR); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 254 mandoc_strdup(const char *ptr) |
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Line 280 mandoc_strdup(const char *ptr) |
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p = strdup(ptr); |
p = strdup(ptr); |
if (NULL == p) { |
if (NULL == p) { |
perror(NULL); |
perror(NULL); |
exit(MANDOCLEVEL_SYSERR); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(p); |
return(p); |
} |
} |
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/* |
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* Parse a quoted or unquoted roff-style request or macro argument. |
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* Return a pointer to the parsed argument, which is either the original |
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* pointer or advanced by one byte in case the argument is quoted. |
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* Null-terminate the argument in place. |
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* Collapse pairs of quotes inside quoted arguments. |
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* Advance the argument pointer to the next argument, |
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* or to the null byte terminating the argument line. |
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*/ |
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char * |
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mandoc_getarg(char **cpp, mandocmsg msg, void *data, int ln, int *pos) |
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{ |
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char *start, *cp; |
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int quoted, pairs, white; |
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/* Quoting can only start with a new word. */ |
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start = *cpp; |
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if ('"' == *start) { |
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quoted = 1; |
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start++; |
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} else |
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quoted = 0; |
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pairs = 0; |
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white = 0; |
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for (cp = start; '\0' != *cp; cp++) { |
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/* Move left after quoted quotes and escaped backslashes. */ |
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if (pairs) |
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cp[-pairs] = cp[0]; |
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if ('\\' == cp[0]) { |
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if ('\\' == cp[1]) { |
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/* Poor man's copy mode. */ |
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pairs++; |
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cp++; |
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} else if (0 == quoted && ' ' == cp[1]) |
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/* Skip escaped blanks. */ |
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cp++; |
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} else if (0 == quoted) { |
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if (' ' == cp[0]) { |
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/* Unescaped blanks end unquoted args. */ |
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white = 1; |
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break; |
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} |
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} else if ('"' == cp[0]) { |
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if ('"' == cp[1]) { |
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/* Quoted quotes collapse. */ |
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pairs++; |
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cp++; |
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} else { |
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/* Unquoted quotes end quoted args. */ |
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quoted = 2; |
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break; |
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} |
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} |
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} |
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/* Quoted argument without a closing quote. */ |
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if (1 == quoted && msg) |
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(*msg)(MANDOCERR_BADQUOTE, data, ln, *pos, NULL); |
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/* Null-terminate this argument and move to the next one. */ |
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if (pairs) |
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cp[-pairs] = '\0'; |
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if ('\0' != *cp) { |
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*cp++ = '\0'; |
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while (' ' == *cp) |
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cp++; |
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} |
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*pos += (int)(cp - start) + (quoted ? 1 : 0); |
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*cpp = cp; |
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if ('\0' == *cp && msg && (white || ' ' == cp[-1])) |
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(*msg)(MANDOCERR_EOLNSPACE, data, ln, *pos, NULL); |
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return(start); |
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} |
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static int |
static int |
a2time(time_t *t, const char *fmt, const char *p) |
a2time(time_t *t, const char *fmt, const char *p) |
{ |
{ |
Line 278 a2time(time_t *t, const char *fmt, const char *p) |
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Line 380 a2time(time_t *t, const char *fmt, const char *p) |
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return(0); |
return(0); |
} |
} |
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static char * |
/* |
time2a(time_t t) |
* Convert from a manual date string (see mdoc(7) and man(7)) into a |
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* date according to the stipulated date type. |
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*/ |
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time_t |
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mandoc_a2time(int flags, const char *p) |
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{ |
{ |
time_t t; |
struct tm tm; |
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char *buf, *p; |
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size_t ssz; |
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int isz; |
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if (MTIME_MDOCDATE & flags) { |
localtime_r(&t, &tm); |
if (0 == strcmp(p, "$" "Mdocdate$")) |
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return(time(NULL)); |
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if (a2time(&t, "$" "Mdocdate: %b %d %Y $", p)) |
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return(t); |
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} |
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if (MTIME_CANONICAL & flags || MTIME_REDUCED & flags) |
/* |
if (a2time(&t, "%b %d, %Y", p)) |
* Reserve space: |
return(t); |
* up to 9 characters for the month (September) + blank |
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* up to 2 characters for the day + comma + blank |
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* 4 characters for the year and a terminating '\0' |
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*/ |
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p = buf = mandoc_malloc(10 + 4 + 4 + 1); |
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if (MTIME_ISO_8601 & flags) |
if (0 == (ssz = strftime(p, 10 + 1, "%B ", &tm))) |
if (a2time(&t, "%Y-%m-%d", p)) |
goto fail; |
return(t); |
p += (int)ssz; |
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if (MTIME_REDUCED & flags) { |
if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm.tm_mday))) |
if (a2time(&t, "%d, %Y", p)) |
goto fail; |
return(t); |
p += isz; |
if (a2time(&t, "%Y", p)) |
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return(t); |
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} |
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return(0); |
if (0 == strftime(p, 4 + 1, "%Y", &tm)) |
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goto fail; |
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return(buf); |
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fail: |
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free(buf); |
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return(NULL); |
} |
} |
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char * |
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mandoc_normdate(char *in, mandocmsg msg, void *data, int ln, int pos) |
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{ |
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char *out; |
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time_t t; |
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if (NULL == in || '\0' == *in || |
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0 == strcmp(in, "$" "Mdocdate$")) { |
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(*msg)(MANDOCERR_NODATE, data, ln, pos, NULL); |
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time(&t); |
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} |
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else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) && |
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!a2time(&t, "%b %d, %Y", in) && |
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!a2time(&t, "%Y-%m-%d", in)) { |
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(*msg)(MANDOCERR_BADDATE, data, ln, pos, NULL); |
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t = 0; |
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} |
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out = t ? time2a(t) : NULL; |
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return(out ? out : mandoc_strdup(in)); |
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} |
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int |
int |
mandoc_eos(const char *p, size_t sz, int enclosed) |
mandoc_eos(const char *p, size_t sz, int enclosed) |
{ |
{ |
Line 357 mandoc_eos(const char *p, size_t sz, int enclosed) |
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Line 479 mandoc_eos(const char *p, size_t sz, int enclosed) |
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return(found && !enclosed); |
return(found && !enclosed); |
} |
} |
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int |
int |
mandoc_hyph(const char *start, const char *c) |
mandoc_hyph(const char *start, const char *c) |
{ |
{ |
Line 383 mandoc_hyph(const char *start, const char *c) |
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Line 504 mandoc_hyph(const char *start, const char *c) |
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return(0); |
return(0); |
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return(1); |
return(1); |
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} |
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/* |
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* Check if a string is a punctuation delimiter. This only applies to |
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* mdoc(7) documents, but as it's used in both front-ends and back-ends, |
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* it needs to go here (instead of, say, in libmdoc.h). |
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*/ |
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enum mdelim |
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mandoc_isdelim(const char *p) |
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{ |
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if ('\0' == p[0]) |
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return(DELIM_NONE); |
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if ('\0' == p[1]) |
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switch (p[0]) { |
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case('('): |
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/* FALLTHROUGH */ |
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case('['): |
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return(DELIM_OPEN); |
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case('|'): |
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return(DELIM_MIDDLE); |
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case('.'): |
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/* FALLTHROUGH */ |
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case(','): |
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/* FALLTHROUGH */ |
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case(';'): |
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/* FALLTHROUGH */ |
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case(':'): |
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/* FALLTHROUGH */ |
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case('?'): |
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/* FALLTHROUGH */ |
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case('!'): |
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/* FALLTHROUGH */ |
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case(')'): |
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/* FALLTHROUGH */ |
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case(']'): |
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return(DELIM_CLOSE); |
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default: |
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return(DELIM_NONE); |
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} |
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if ('\\' != p[0]) |
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return(DELIM_NONE); |
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if (0 == strcmp(p, "\\.")) |
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return(DELIM_CLOSE); |
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if (0 == strcmp(p, "\\*(Ba")) |
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return(DELIM_MIDDLE); |
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return(DELIM_NONE); |
} |
} |