version 1.30, 2010/08/24 12:18:48 |
version 1.36, 2011/01/03 22:42:37 |
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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 |
Line 55 mandoc_special(char *p) |
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Line 56 mandoc_special(char *p) |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('x'): |
case ('x'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('w'): |
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/* FALLTHROUGH */ |
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case ('S'): |
case ('S'): |
/* 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 130 mandoc_special(char *p) |
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Line 127 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 140 mandoc_special(char *p) |
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Line 158 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 174 mandoc_special(char *p) |
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Line 192 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 */ |
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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 206 mandoc_calloc(size_t num, size_t size) |
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Line 234 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 221 mandoc_malloc(size_t size) |
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Line 249 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 235 mandoc_realloc(void *ptr, size_t size) |
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Line 263 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 250 mandoc_strdup(const char *ptr) |
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Line 278 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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/* |
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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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