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| author | Karel Zak | 2016-12-19 13:13:34 +0100 |
|---|---|---|
| committer | Karel Zak | 2016-12-19 13:13:34 +0100 |
| commit | 677ec86cef983a106c6e5d175f44b125858c3016 (patch) | |
| tree | b993641faa65700acd62768da189a103da4c40ec /sys-utils/flock.c | |
| parent | include/c.h: add errtryhelp() (diff) | |
| download | kernel-qcow2-util-linux-677ec86cef983a106c6e5d175f44b125858c3016.tar.gz kernel-qcow2-util-linux-677ec86cef983a106c6e5d175f44b125858c3016.tar.xz kernel-qcow2-util-linux-677ec86cef983a106c6e5d175f44b125858c3016.zip | |
Use --help suggestion on invalid option
The current default is to print all usage() output. This is overkill
in many case.
Addresses: https://github.com/karelzak/util-linux/issues/338
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'sys-utils/flock.c')
| -rw-r--r-- | sys-utils/flock.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/sys-utils/flock.c b/sys-utils/flock.c index dcd0f5e40..08e313e69 100644 --- a/sys-utils/flock.c +++ b/sys-utils/flock.c @@ -214,12 +214,10 @@ int main(int argc, char *argv[]) case 'V': printf(UTIL_LINUX_VERSION); exit(EX_OK); + case 'h': + usage(0); default: - /* optopt will be set if this was an unrecognized - * option, i.e. *not* 'h' or '? - */ - usage(optopt ? EX_USAGE : 0); - break; + errtryhelp(EX_USAGE); } } |