Made new xreadlink function for libbb and changed applets to use it instead of

readlink(2).


git-svn-id: svn://busybox.net/trunk/busybox@2495 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 6 insertions, 10 deletions

diff --git a/readlink.c b/readlink.c
index 74196e11d..226649544 100644
--- a/readlink.c
+++ b/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;
 }