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/*
* @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/types.h>
#include <string.h>
size_t
strlcat(char *dst, const char *src, size_t size)
{
size_t dstsize, srcsize, copysize;
dstsize = strnlen(dst, size);
srcsize = strlen(src);
if (dstsize == size) {
return dstsize + srcsize;
}
copysize = size - dstsize - 1;
if (srcsize < copysize) {
copysize = srcsize;
}
memcpy(dst + dstsize, src, copysize);
dst[dstsize + copysize] = '\0';
return dstsize + srcsize;
}
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