diff options
Diffstat (limited to 'otherservice/posix_based_os001_legacy_library/library/src/strlcat.c')
-rw-r--r-- | otherservice/posix_based_os001_legacy_library/library/src/strlcat.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/otherservice/posix_based_os001_legacy_library/library/src/strlcat.c b/otherservice/posix_based_os001_legacy_library/library/src/strlcat.c new file mode 100644 index 00000000..8d11eaba --- /dev/null +++ b/otherservice/posix_based_os001_legacy_library/library/src/strlcat.c @@ -0,0 +1,40 @@ +/* + * @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; +} |