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/*
* Copyright (C) 2002 Manuel Novoa III
* Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
/* OpenBSD function:
* Append at most n-1-strlen(dst) chars from src to dst and nul-terminate dst.
* Returns strlen(src) + strlen({original} dst), so truncation occurred if the
* return val is >= n.
* Note: If dst doesn't contain a nul in the first n chars, strlen(dst) is
* taken as n. */
#include "_string.h"
size_t strlcat(register char *__restrict dst,
register const char *__restrict src,
size_t n)
{
size_t len;
char dummy[1];
len = 0;
while (1) {
if (len >= n) {
dst = dummy;
break;
}
if (!*dst) {
break;
}
++dst;
++len;
}
while ((*dst = *src) != 0) {
if (++len < n) {
++dst;
}
++src;
}
return len;
}
libc_hidden_def(strlcat)
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