version 1.23, 2010/07/18 17:00:26 |
version 1.37, 2011/03/07 01:35:51 |
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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 48 mandoc_special(char *p) |
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Line 51 mandoc_special(char *p) |
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p++; |
p++; |
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switch (*p++) { |
switch (*p++) { |
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#if 0 |
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case ('Z'): |
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/* FALLTHROUGH */ |
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case ('X'): |
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/* FALLTHROUGH */ |
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case ('x'): |
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/* FALLTHROUGH */ |
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case ('S'): |
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/* FALLTHROUGH */ |
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case ('R'): |
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/* FALLTHROUGH */ |
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case ('N'): |
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/* FALLTHROUGH */ |
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case ('l'): |
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/* FALLTHROUGH */ |
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case ('L'): |
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/* FALLTHROUGH */ |
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case ('H'): |
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/* FALLTHROUGH */ |
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case ('h'): |
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/* FALLTHROUGH */ |
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case ('D'): |
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/* FALLTHROUGH */ |
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case ('C'): |
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/* FALLTHROUGH */ |
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case ('b'): |
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/* FALLTHROUGH */ |
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case ('B'): |
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/* FALLTHROUGH */ |
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case ('a'): |
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/* FALLTHROUGH */ |
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case ('A'): |
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if (*p++ != '\'') |
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return(0); |
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term = '\''; |
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break; |
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#endif |
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case ('h'): |
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/* FALLTHROUGH */ |
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case ('v'): |
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/* FALLTHROUGH */ |
case ('s'): |
case ('s'): |
if (ASCII_HYPH == *p) |
if (ASCII_HYPH == *p) |
*p = '-'; |
*p = '-'; |
if ('+' == *p || '-' == *p) |
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i = 0; |
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if ('+' == *p || '-' == *p) { |
p++; |
p++; |
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i = 1; |
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} |
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i = ('s' != *(p - 1)); |
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switch (*p++) { |
switch (*p++) { |
case ('('): |
case ('('): |
len = 2; |
len = 2; |
Line 66 mandoc_special(char *p) |
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Line 112 mandoc_special(char *p) |
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case ('\''): |
case ('\''): |
term = '\''; |
term = '\''; |
break; |
break; |
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case ('0'): |
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i = 1; |
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/* FALLTHROUGH */ |
default: |
default: |
len = 1; |
len = 1; |
p--; |
p--; |
Line 75 mandoc_special(char *p) |
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Line 124 mandoc_special(char *p) |
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if (ASCII_HYPH == *p) |
if (ASCII_HYPH == *p) |
*p = '-'; |
*p = '-'; |
if ('+' == *p || '-' == *p) { |
if ('+' == *p || '-' == *p) { |
if (i++) |
if (i) |
return(0); |
return(0); |
p++; |
p++; |
} |
} |
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if (0 == i) |
/* 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); |
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; |
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#if 0 |
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case ('Y'): |
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/* FALLTHROUGH */ |
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case ('V'): |
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/* FALLTHROUGH */ |
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case ('$'): |
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/* FALLTHROUGH */ |
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case ('n'): |
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/* FALLTHROUGH */ |
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#endif |
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case ('k'): |
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/* FALLTHROUGH */ |
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case ('M'): |
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/* FALLTHROUGH */ |
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case ('m'): |
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/* FALLTHROUGH */ |
case ('f'): |
case ('f'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('F'): |
case ('F'): |
Line 107 mandoc_special(char *p) |
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Line 191 mandoc_special(char *p) |
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case ('['): |
case ('['): |
term = ']'; |
term = ']'; |
break; |
break; |
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case ('z'): |
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len = 1; |
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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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return(*p ? (int)(p - sv) : 0); |
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} |
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break; |
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case ('o'): |
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/* FALLTHROUGH */ |
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case ('w'): |
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if ('\'' == *p++) { |
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term = '\''; |
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break; |
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} |
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/* FALLTHROUGH */ |
default: |
default: |
len = 1; |
len = 1; |
p--; |
p--; |
Line 117 mandoc_special(char *p) |
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Line 218 mandoc_special(char *p) |
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for ( ; *p && term != *p; p++) |
for ( ; *p && term != *p; p++) |
if (ASCII_HYPH == *p) |
if (ASCII_HYPH == *p) |
*p = '-'; |
*p = '-'; |
return(*p ? p - sv : 0); |
return(*p ? (int)(p - sv) : 0); |
} |
} |
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for (i = 0; *p && i < len; i++, p++) |
for (i = 0; *p && i < len; i++, p++) |
if (ASCII_HYPH == *p) |
if (ASCII_HYPH == *p) |
*p = '-'; |
*p = '-'; |
return(i == len ? p - sv : 0); |
return(i == len ? (int)(p - sv) : 0); |
} |
} |
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Line 135 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(EXIT_FAILURE); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 150 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(EXIT_FAILURE); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 164 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(EXIT_FAILURE); |
exit((int)MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 179 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(EXIT_FAILURE); |
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 += (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 204 a2time(time_t *t, const char *fmt, const char *p) |
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Line 382 a2time(time_t *t, const char *fmt, const char *p) |
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} |
} |
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/* |
static char * |
* Convert from a manual date string (see mdoc(7) and man(7)) into a |
time2a(time_t t) |
* 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[DATESIZE]; |
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char *p; |
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size_t nsz, rsz; |
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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 $", p)) |
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return(t); |
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} |
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if (MTIME_CANONICAL & flags || MTIME_REDUCED & flags) |
p = buf; |
if (a2time(&t, "%b %d, %Y", p)) |
rsz = DATESIZE; |
return(t); |
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if (MTIME_ISO_8601 & flags) |
if (0 == (nsz = strftime(p, rsz, "%B ", &tm))) |
if (a2time(&t, "%Y-%m-%d", p)) |
return(NULL); |
return(t); |
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if (MTIME_REDUCED & flags) { |
p += (int)nsz; |
if (a2time(&t, "%d, %Y", p)) |
rsz -= nsz; |
return(t); |
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if (a2time(&t, "%Y", p)) |
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return(t); |
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} |
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return(0); |
if (-1 == (isz = snprintf(p, rsz, "%d, ", tm.tm_mday))) |
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return(NULL); |
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p += isz; |
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rsz -= isz; |
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return(strftime(p, rsz, "%Y", &tm) ? buf : NULL); |
} |
} |
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char * |
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mandoc_normdate(char *in, mandocmsg msg, void *data, int ln, int pos) |
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{ |
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char *out; |
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time_t t; |
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if (NULL == in || '\0' == *in || |
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0 == strcmp(in, "$" "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(mandoc_strdup(out ? out : 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 255 mandoc_eos(const char *p, size_t sz, int enclosed) |
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Line 450 mandoc_eos(const char *p, size_t sz, int enclosed) |
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*/ |
*/ |
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found = 0; |
found = 0; |
for (q = p + sz - 1; q >= p; q--) { |
for (q = p + (int)sz - 1; q >= p; q--) { |
switch (*q) { |
switch (*q) { |
case ('\"'): |
case ('\"'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 275 mandoc_eos(const char *p, size_t sz, int enclosed) |
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Line 470 mandoc_eos(const char *p, size_t sz, int enclosed) |
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found = 1; |
found = 1; |
break; |
break; |
default: |
default: |
return(found && (!enclosed || isalnum(*q))); |
return(found && (!enclosed || isalnum((unsigned char)*q))); |
} |
} |
} |
} |
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