version 1.49, 2011/04/30 10:18:24 |
version 1.60, 2011/10/24 20:30:57 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* 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 |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <errno.h> |
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#include <limits.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
Line 123 mandoc_escape(const char **end, const char **start, in |
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Line 125 mandoc_escape(const char **end, const char **start, in |
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break; |
break; |
case ('['): |
case ('['): |
gly = ESCAPE_SPECIAL; |
gly = ESCAPE_SPECIAL; |
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/* |
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* Unicode escapes are defined in groff as \[uXXXX] to |
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* \[u10FFFF], where the contained value must be a valid |
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* Unicode codepoint. Here, however, only check whether |
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* it's not a zero-width escape. |
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*/ |
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if ('u' == cp[i] && ']' != cp[i + 1]) |
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gly = ESCAPE_UNICODE; |
term = ']'; |
term = ']'; |
break; |
break; |
case ('C'): |
case ('C'): |
Line 151 mandoc_escape(const char **end, const char **start, in |
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Line 161 mandoc_escape(const char **end, const char **start, in |
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case ('V'): |
case ('V'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('Y'): |
case ('Y'): |
if (ESCAPE_ERROR == gly) |
gly = ESCAPE_IGNORE; |
gly = ESCAPE_IGNORE; |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('*'): |
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if (ESCAPE_ERROR == gly) |
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gly = ESCAPE_PREDEF; |
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/* FALLTHROUGH */ |
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case ('f'): |
case ('f'): |
if (ESCAPE_ERROR == gly) |
if (ESCAPE_ERROR == gly) |
gly = ESCAPE_FONT; |
gly = ESCAPE_FONT; |
Line 216 mandoc_escape(const char **end, const char **start, in |
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Line 221 mandoc_escape(const char **end, const char **start, in |
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case ('L'): |
case ('L'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('l'): |
case ('l'): |
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gly = ESCAPE_NUMBERED; |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('N'): |
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if (ESCAPE_ERROR == gly) |
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gly = ESCAPE_NUMBERED; |
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/* FALLTHROUGH */ |
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case ('S'): |
case ('S'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('v'): |
case ('v'): |
Line 235 mandoc_escape(const char **end, const char **start, in |
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Line 237 mandoc_escape(const char **end, const char **start, in |
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term = numeric = '\''; |
term = numeric = '\''; |
break; |
break; |
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/* |
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* Special handling for the numbered character escape. |
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* XXX Do any other escapes need similar handling? |
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*/ |
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case ('N'): |
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if ('\0' == cp[i]) |
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return(ESCAPE_ERROR); |
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*end = &cp[++i]; |
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if (isdigit((unsigned char)cp[i-1])) |
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return(ESCAPE_IGNORE); |
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while (isdigit((unsigned char)**end)) |
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(*end)++; |
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if (start) |
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*start = &cp[i]; |
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if (sz) |
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*sz = *end - &cp[i]; |
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if ('\0' != **end) |
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(*end)++; |
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return(ESCAPE_NUMBERED); |
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/* |
/* |
* Sizes get a special category of their own. |
* Sizes get a special category of their own. |
*/ |
*/ |
Line 426 mandoc_realloc(void *ptr, size_t size) |
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Line 448 mandoc_realloc(void *ptr, size_t size) |
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return(ptr); |
return(ptr); |
} |
} |
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char * |
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mandoc_strndup(const char *ptr, size_t sz) |
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{ |
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char *p; |
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p = mandoc_malloc(sz + 1); |
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memcpy(p, ptr, sz); |
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p[(int)sz] = '\0'; |
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return(p); |
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} |
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char * |
char * |
mandoc_strdup(const char *ptr) |
mandoc_strdup(const char *ptr) |
{ |
{ |
Line 526 a2time(time_t *t, const char *fmt, const char *p) |
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Line 558 a2time(time_t *t, const char *fmt, const char *p) |
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memset(&tm, 0, sizeof(struct tm)); |
memset(&tm, 0, sizeof(struct tm)); |
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pp = NULL; |
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#ifdef HAVE_STRPTIME |
pp = strptime(p, fmt, &tm); |
pp = strptime(p, fmt, &tm); |
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#endif |
if (NULL != pp && '\0' == *pp) { |
if (NULL != pp && '\0' == *pp) { |
*t = mktime(&tm); |
*t = mktime(&tm); |
return(1); |
return(1); |
Line 538 a2time(time_t *t, const char *fmt, const char *p) |
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Line 573 a2time(time_t *t, const char *fmt, const char *p) |
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static char * |
static char * |
time2a(time_t t) |
time2a(time_t t) |
{ |
{ |
struct tm tm; |
struct tm *tm; |
char *buf, *p; |
char *buf, *p; |
size_t ssz; |
size_t ssz; |
int isz; |
int isz; |
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localtime_r(&t, &tm); |
tm = localtime(&t); |
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/* |
/* |
* Reserve space: |
* Reserve space: |
Line 553 time2a(time_t t) |
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Line 588 time2a(time_t t) |
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*/ |
*/ |
p = buf = mandoc_malloc(10 + 4 + 4 + 1); |
p = buf = mandoc_malloc(10 + 4 + 4 + 1); |
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if (0 == (ssz = strftime(p, 10 + 1, "%B ", &tm))) |
if (0 == (ssz = strftime(p, 10 + 1, "%B ", tm))) |
goto fail; |
goto fail; |
p += (int)ssz; |
p += (int)ssz; |
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if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm.tm_mday))) |
if (-1 == (isz = snprintf(p, 4 + 1, "%d, ", tm->tm_mday))) |
goto fail; |
goto fail; |
p += isz; |
p += isz; |
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if (0 == strftime(p, 4 + 1, "%Y", &tm)) |
if (0 == strftime(p, 4 + 1, "%Y", tm)) |
goto fail; |
goto fail; |
return(buf); |
return(buf); |
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Line 634 mandoc_eos(const char *p, size_t sz, int enclosed) |
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Line 669 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 |
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mandoc_hyph(const char *start, const char *c) |
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{ |
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/* |
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* Choose whether to break at a hyphenated character. We only |
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* do this if it's free-standing within a word. |
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*/ |
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/* Skip first/last character of buffer. */ |
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if (c == start || '\0' == *(c + 1)) |
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return(0); |
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/* Skip first/last character of word. */ |
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if ('\t' == *(c + 1) || '\t' == *(c - 1)) |
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return(0); |
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if (' ' == *(c + 1) || ' ' == *(c - 1)) |
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return(0); |
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/* Skip double invocations. */ |
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if ('-' == *(c + 1) || '-' == *(c - 1)) |
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return(0); |
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/* Skip escapes. */ |
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if ('\\' == *(c - 1)) |
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return(0); |
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return(1); |
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} |
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/* |
/* |
* Find out whether a line is a macro line or not. If it is, adjust the |
* Find out whether a line is a macro line or not. If it is, adjust the |
* current position and return one; if it isn't, return zero and don't |
* current position and return one; if it isn't, return zero and don't |
Line 685 mandoc_getcontrol(const char *cp, int *ppos) |
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Line 693 mandoc_getcontrol(const char *cp, int *ppos) |
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*ppos = pos; |
*ppos = pos; |
return(1); |
return(1); |
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} |
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/* |
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* Convert a string to a long that may not be <0. |
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* If the string is invalid, or is less than 0, return -1. |
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*/ |
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int |
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mandoc_strntoi(const char *p, size_t sz, int base) |
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{ |
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char buf[32]; |
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char *ep; |
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long v; |
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if (sz > 31) |
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return(-1); |
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memcpy(buf, p, sz); |
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buf[(int)sz] = '\0'; |
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errno = 0; |
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v = strtol(buf, &ep, base); |
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if (buf[0] == '\0' || *ep != '\0') |
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return(-1); |
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if (v > INT_MAX) |
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v = INT_MAX; |
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if (v < INT_MIN) |
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v = INT_MIN; |
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return((int)v); |
} |
} |