2 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <afsconfig.h>
18 #include <afs/param.h>
23 #include <sys/types.h>
27 * Appends src to string dst of size siz (unlike strncat, siz is the
28 * full size of dst, not space left). At most siz-1 characters
29 * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
30 * Returns strlen(src) + MIN(siz, strlen(initial dst)).
31 * If retval >= siz, truncation occurred.
34 strlcat(char *dst, const char *src, size_t siz)
36 register char *d = dst;
37 register const char *s = src;
38 register size_t n = siz;
41 /* Find the end of dst and adjust bytes left but don't go past end */
42 while (n-- != 0 && *d != '\0')
48 return (dlen + strlen(s));
58 return (dlen + (s - src)); /* count does not include NUL */