Re-organized sub-directory by category

[staging/basesystem.git] / service / other / posix_based_os001_legacy_library / library / src / strlcat.c

diff --git a/service/other/posix_based_os001_legacy_library/library/src/strlcat.c b/service/other/posix_based_os001_legacy_library/library/src/strlcat.c
new file mode 100755 (executable)
index 0000000..8d11eab
--- /dev/null
+++ b/service/other/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;
+}