+ if (sticky >= 0 && mode != (mode_t) -1)
+ /* Both mode and sticky param are passed */
+ mode |= (sticky ? S_ISVTX : 0);
+ else if ((sticky >= 0 && mode == (mode_t) -1) ||
+ (mode != (mode_t) -1 && sticky < 0)) {
+ struct stat st;
+
+ /* Only one param is passed, hence read the current
+ * mode from the file itself */
+
+ r = lstat(fs, &st);
+ if (r < 0) {
+ free(fs);
+ return -errno;
+ }
+
+ if (mode == (mode_t) -1)
+ /* No mode set, we just shall set the sticky bit */
+ mode = (st.st_mode & ~S_ISVTX) | (sticky ? S_ISVTX : 0);
+ else
+ /* Only mode set, leave sticky bit untouched */
+ mode = (st.st_mode & ~0777) | mode;
+ }
+