version 1.1, 2008/12/23 05:30:49 |
version 1.4, 2009/01/20 13:44:05 |
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
|
#include <assert.h> |
#include <err.h> |
#include <err.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
|
|
#include "private.h" |
#include "private.h" |
|
|
|
/* |
|
* Contains wrappers for common functions to simplify their general |
|
* usage throughout this codebase. |
|
*/ |
|
|
|
#ifdef __linux__ |
|
extern size_t strlcat(char *, const char *, size_t); |
|
extern size_t strlcpy(char *, const char *, size_t); |
|
#endif |
|
|
int |
int |
xstrcmp(const char *p1, const char *p2) |
xstrcmp(const char *p1, const char *p2) |
{ |
{ |
Line 30 xstrcmp(const char *p1, const char *p2) |
|
Line 40 xstrcmp(const char *p1, const char *p2) |
|
return(0 == strcmp(p1, p2)); |
return(0 == strcmp(p1, p2)); |
} |
} |
|
|
|
|
int |
int |
xstrlcat(char *dst, const char *src, size_t sz) |
xstrlcat(char *dst, const char *src, size_t sz) |
{ |
{ |
Line 38 xstrlcat(char *dst, const char *src, size_t sz) |
|
Line 47 xstrlcat(char *dst, const char *src, size_t sz) |
|
return(strlcat(dst, src, sz) < sz); |
return(strlcat(dst, src, sz) < sz); |
} |
} |
|
|
|
|
int |
int |
xstrlcpy(char *dst, const char *src, size_t sz) |
xstrlcpy(char *dst, const char *src, size_t sz) |
{ |
{ |
Line 46 xstrlcpy(char *dst, const char *src, size_t sz) |
|
Line 54 xstrlcpy(char *dst, const char *src, size_t sz) |
|
return(strlcpy(dst, src, sz) < sz); |
return(strlcpy(dst, src, sz) < sz); |
} |
} |
|
|
|
|
|
|
void * |
void * |
xcalloc(size_t num, size_t sz) |
xcalloc(size_t num, size_t sz) |
{ |
{ |
Line 58 xcalloc(size_t num, size_t sz) |
|
Line 64 xcalloc(size_t num, size_t sz) |
|
return(p); |
return(p); |
} |
} |
|
|
|
|
char * |
char * |
xstrdup(const char *p) |
xstrdup(const char *p) |
{ |
{ |
Line 69 xstrdup(const char *p) |
|
Line 74 xstrdup(const char *p) |
|
return(pp); |
return(pp); |
} |
} |
|
|
|
int |
|
xstrlcats(char *buf, const struct mdoc_node *n, size_t sz) |
|
{ |
|
char *p; |
|
|
|
assert(sz > 0); |
|
assert(buf); |
|
*buf = 0; |
|
|
|
for ( ; n; n = n->next) { |
|
assert(MDOC_TEXT == n->type); |
|
p = n->data.text.string; |
|
if ( ! xstrlcat(buf, p, sz)) |
|
return(0); |
|
if (n->next && ! xstrlcat(buf, " ", sz)) |
|
return(0); |
|
} |
|
|
|
return(1); |
|
} |
|
|
|
#ifdef __linux__ |
|
/* $OpenBSD$ */ |
|
|
|
/* |
|
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com> |
|
* |
|
* Permission to use, copy, modify, and distribute this software for any |
|
* purpose with or without fee is hereby granted, provided that the above |
|
* copyright notice and this permission notice appear in all copies. |
|
* |
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
|
*/ |
|
|
|
#include <sys/types.h> |
|
#include <string.h> |
|
|
|
|
|
size_t |
|
strlcat(char *dst, const char *src, size_t siz) |
|
{ |
|
char *d = dst; |
|
const char *s = src; |
|
size_t n = siz; |
|
size_t dlen; |
|
|
|
/* Find the end of dst and adjust bytes left but don't go past end */ |
|
while (n-- != 0 && *d != '\0') |
|
d++; |
|
dlen = d - dst; |
|
n = siz - dlen; |
|
|
|
if (n == 0) |
|
return(dlen + strlen(s)); |
|
while (*s != '\0') { |
|
if (n != 1) { |
|
*d++ = *s; |
|
n--; |
|
} |
|
s++; |
|
} |
|
*d = '\0'; |
|
|
|
return(dlen + (s - src)); /* count does not include NUL */ |
|
} |
|
|
|
size_t |
|
strlcpy(char *dst, const char *src, size_t siz) |
|
{ |
|
char *d = dst; |
|
const char *s = src; |
|
size_t n = siz; |
|
|
|
/* Copy as many bytes as will fit */ |
|
if (n != 0) { |
|
while (--n != 0) { |
|
if ((*d++ = *s++) == '\0') |
|
break; |
|
} |
|
} |
|
|
|
/* Not enough room in dst, add NUL and traverse rest of src */ |
|
if (n == 0) { |
|
if (siz != 0) |
|
*d = '\0'; /* NUL-terminate dst */ |
|
while (*s++) |
|
; |
|
} |
|
|
|
return(s - src - 1); /* count does not include NUL */ |
|
} |
|
#endif |