Made new xreadlink function for libbb and changed applets to use it instead of
readlink(2).
diff --git a/miscutils/readlink.c b/miscutils/readlink.c
index 74196e1..2266495 100644
--- a/miscutils/readlink.c
+++ b/miscutils/readlink.c
@@ -30,21 +30,17 @@
int readlink_main(int argc, char **argv)
{
char *buf = NULL;
- int bufsize = 128, size = 128;
+
+ /* no options, no getopt */
if (argc != 2)
show_usage();
- while (bufsize < size + 1) {
- bufsize *= 2;
- buf = xrealloc(buf, bufsize);
- size = readlink(argv[1], buf, bufsize);
- if (size == -1)
- perror_msg_and_die("%s", argv[1]);
- }
-
- buf[size] = '\0';
+ buf = xreadlink(argv[1]);
puts(buf);
+#ifdef BB_FEATURE_CLEAN_UP
+ free(buf);
+#endif
return EXIT_SUCCESS;
}
