}
return 0;
}
+
+/*
+ * Copy a path argument from SRC to DEST and check the SRC length if it's at
+ * most PATH_MAX and fits into DEST. DESTLEN is supposed to be exact size of
+ * the buffer.
+ * The destination buffer is zero terminated.
+ * Return < 0 for error, 0 otherwise.
+ */
+int arg_copy_path(char *dest, const char *src, int destlen)
+{
+ size_t len = strlen(src);
+
+ if (len >= PATH_MAX || len >= destlen)
+ return -ENAMETOOLONG;
+
+ __strncpy__null(dest, src, destlen);
+
+ return 0;
+}