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| author | Eric Andersen <andersen@codepoet.org> | 2001-05-07 21:48:28 +0400 |
|---|---|---|
| committer | Eric Andersen <andersen@codepoet.org> | 2001-05-07 21:48:28 +0400 |
| commit | 28355a36da6ad4d1b55ba9bb146fb0b6586e7edb (patch) | |
| tree | d08439547c9b94e1d0211fb0de91e68fc3180fe4 /readlink.c | |
| parent | 822c3837f95a355f90d25aaabeb2445bb5eb1bf0 (diff) | |
Per some comments from Lars Kellogg-Stedman <lars@larsshack.org>,
make xreadlink() return NULL on failure, and make sure everyone
uses the interface correctly.
-Erik
Diffstat (limited to 'readlink.c')
| -rw-r--r-- | readlink.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/readlink.c b/readlink.c index 226649544..c46ebd108 100644 --- a/readlink.c +++ b/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); |