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/*
* Copyright (c) 2011 Apple, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <strings.h>
size_t
strlcat(char * restrict dst, const char * restrict src, size_t maxlen) {
const size_t srclen = strlen(src);
const size_t dstlen = strnlen(dst, maxlen);
if (dstlen == maxlen) return maxlen+srclen;
if (srclen < maxlen-dstlen) {
memcpy(dst+dstlen, src, srclen+1);
} else {
memcpy(dst+dstlen, src, maxlen-1);
dst[dstlen+maxlen-1] = '\0';
}
return dstlen + srclen;
}
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