- if (followLinks == FALSE) {
- strcpy(srcName, *argv);
- } else {
- /* Warning! This can silently truncate if > BUFSIZ, but
- I don't think that there can be one > BUFSIZ anyway. */
- nChars = readlink(*argv, srcName, BUFSIZ);
- srcName[nChars] = '\0';
+ if (flag & LN_BACKUP) {
+ char *backup;
+ backup = bb_xasprintf("%s%s", src, suffix);
+ if (rename(src, backup) < 0 && errno != ENOENT) {
+ bb_perror_msg("%s", src);
+ status = EXIT_FAILURE;
+ free(backup);
+ continue;
+ }
+ free(backup);
+ /*
+ * When the source and dest are both hard links to the same
+ * inode, a rename may succeed even though nothing happened.
+ * Therefore, always unlink().
+ */
+ unlink(src);
+ } else if (flag & LN_FORCE) {
+ unlink(src);