Added strlcat and strlcpy.
This commit is contained in:
Philip Homburg
parent
bd783b901f
commit
529ca8a4df
4 changed files with 164 additions and 0 deletions
|
|
@ -60,6 +60,8 @@ _PROTOTYPE( int strcasecmp, (const char *_s1, const char *_s2) );
|
|||
_PROTOTYPE( int strncasecmp, (const char *_s1, const char *_s2,
|
||||
size_t _len) );
|
||||
_PROTOTYPE( size_t strnlen, (const char *_s, size_t _n) );
|
||||
_PROTOTYPE( size_t strlcat, (char *_dst, const char *_src, size_t _siz) );
|
||||
_PROTOTYPE( size_t strlcpy, (char *_dst, const char *_src, size_t _siz) );
|
||||
#endif
|
||||
|
||||
#endif /* _STRING_H */
|
||||
|
|
|
|||
|
|
@ -65,6 +65,8 @@ libc_FILES=" \
|
|||
settimeofday.c \
|
||||
stderr.c \
|
||||
strdup.c \
|
||||
strlcat.c \
|
||||
strlcpy.c \
|
||||
strtok_r.c \
|
||||
swab.c \
|
||||
sys_eniop.c \
|
||||
|
|
|
|||
80
lib/other/strlcat.c
Normal file
80
lib/other/strlcat.c
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
/*
|
||||
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
||||
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||||
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||||
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static char *rcsid = "$OpenBSD: strlcat.c,v 1.2 1999/06/17 16:28:58 millert Exp $";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD: src/lib/libc/string/strlcat.c,v 1.2.4.2 2001/07/09 23:30:06 obrien Exp $";
|
||||
#endif
|
||||
|
||||
#define _MINIX_SOURCE
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <string.h>
|
||||
|
||||
/*
|
||||
* Appends src to string dst of size siz (unlike strncat, siz is the
|
||||
* full size of dst, not space left). At most siz-1 characters
|
||||
* will be copied. Always NUL terminates (unless siz <= strlen(dst)).
|
||||
* Returns strlen(initial dst) + strlen(src); if retval >= siz,
|
||||
* truncation occurred.
|
||||
*/
|
||||
size_t strlcat(dst, src, siz)
|
||||
char *dst;
|
||||
const char *src;
|
||||
size_t siz;
|
||||
{
|
||||
register char *d = dst;
|
||||
register const char *s = src;
|
||||
register 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 */
|
||||
}
|
||||
|
||||
/*
|
||||
* $PchId: strlcat.c,v 1.1 2004/11/02 12:29:23 philip Exp philip $
|
||||
*/
|
||||
80
lib/other/strlcpy.c
Normal file
80
lib/other/strlcpy.c
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
/* $OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
||||
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
||||
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||||
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||||
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||||
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
#if 0
|
||||
static char *rcsid = "$OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $";
|
||||
#endif
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"$FreeBSD: src/lib/libc/string/strlcpy.c,v 1.2.4.1 2001/07/09 23:30:06 obrien Exp $";
|
||||
#endif
|
||||
|
||||
#define _MINIX_SOURCE
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <string.h>
|
||||
|
||||
/*
|
||||
* Copy src to string dst of size siz. At most siz-1 characters
|
||||
* will be copied. Always NUL terminates (unless siz == 0).
|
||||
* Returns strlen(src); if retval >= siz, truncation occurred.
|
||||
*/
|
||||
size_t strlcpy(dst, src, siz)
|
||||
char *dst;
|
||||
const char *src;
|
||||
size_t siz;
|
||||
{
|
||||
register char *d = dst;
|
||||
register const char *s = src;
|
||||
register size_t n = siz;
|
||||
|
||||
/* Copy as many bytes as will fit */
|
||||
if (n != 0 && --n != 0) {
|
||||
do {
|
||||
if ((*d++ = *s++) == 0)
|
||||
break;
|
||||
} while (--n != 0);
|
||||
}
|
||||
|
||||
/* 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 */
|
||||
}
|
||||
|
||||
/*
|
||||
* $PchId: strlcpy.c,v 1.1 2004/11/02 12:29:53 philip Exp $
|
||||
*/
|
||||
Loading…
Reference in a new issue