From 28355a36da6ad4d1b55ba9bb146fb0b6586e7edb Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 7 May 2001 17:48:28 +0000 Subject: Per some comments from Lars Kellogg-Stedman , make xreadlink() return NULL on failure, and make sure everyone uses the interface correctly. -Erik --- miscutils/readlink.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'miscutils') diff --git a/miscutils/readlink.c b/miscutils/readlink.c index 226649544..c46ebd108 100644 --- a/miscutils/readlink.c +++ b/miscutils/readlink.c @@ -37,6 +37,8 @@ int readlink_main(int argc, char **argv) show_usage(); buf = xreadlink(argv[1]); + if (!buf) + return EXIT_FAILURE; puts(buf); #ifdef BB_FEATURE_CLEAN_UP free(buf); -- cgit v1.2.3