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| author | Karel Zak | 2019-05-16 13:46:03 +0200 |
|---|---|---|
| committer | Karel Zak | 2019-05-16 13:46:03 +0200 |
| commit | e868cfb0a6c2b942029b95c85168f7da116d5c06 (patch) | |
| tree | 652b18a624756678e1ae5f05100d9212bd7c82b7 /login-utils | |
| parent | Merge branch 'lscpu-output-fix' of https://github.com/kerolasa/util-linux (diff) | |
| download | kernel-qcow2-util-linux-e868cfb0a6c2b942029b95c85168f7da116d5c06.tar.gz kernel-qcow2-util-linux-e868cfb0a6c2b942029b95c85168f7da116d5c06.tar.xz kernel-qcow2-util-linux-e868cfb0a6c2b942029b95c85168f7da116d5c06.zip | |
utmpdump: check ftello() return value
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'login-utils')
| -rw-r--r-- | login-utils/utmpdump.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/login-utils/utmpdump.c b/login-utils/utmpdump.c index f1a3607dc..defa230b9 100644 --- a/login-utils/utmpdump.c +++ b/login-utils/utmpdump.c @@ -169,6 +169,9 @@ static int follow_by_inotify(FILE *in, const char *filename, FILE *out) size = ftello(in); fclose(in); + if (size < 0) + err(EXIT_FAILURE, _("%s: cannot get file position"), filename); + wd = inotify_add_watch(fd, filename, EVENTS); if (wd == -1) err(EXIT_FAILURE, _("%s: cannot add inotify watch."), filename); |