mirror of
https://github.com/jarun/nnn.git
synced 2024-11-18 17:09:14 +00:00
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 1998, 2015 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>
|
|
|
|
#include "util.h"
|
|
|
|
/*
|
|
* Copy string src to buffer dst of size dsize. At most dsize-1
|
|
* chars will be copied. Always NUL terminates (unless dsize == 0).
|
|
* Returns strlen(src); if retval >= dsize, truncation occurred.
|
|
*/
|
|
size_t
|
|
strlcpy(char *dst, const char *src, size_t dsize)
|
|
{
|
|
const char *osrc = src;
|
|
size_t nleft = dsize;
|
|
|
|
/* Copy as many bytes as will fit. */
|
|
if (nleft != 0) {
|
|
while (--nleft != 0) {
|
|
if ((*dst++ = *src++) == '\0')
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Not enough room in dst, add NUL and traverse rest of src. */
|
|
if (nleft == 0) {
|
|
if (dsize != 0)
|
|
*dst = '\0'; /* NUL-terminate dst */
|
|
while (*src++)
|
|
;
|
|
}
|
|
|
|
return(src - osrc - 1); /* count does not include NUL */
|
|
}
|