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| author | Daniel Wagner <daniel.wagner@siemens.com> | 2017-06-12 12:50:42 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2017-06-14 10:55:26 +0200 |
| commit | 12e27a1b2adf14c33694db82e1f6f8bde560b9a2 (patch) | |
| tree | d101a43c524488d1a146ecd3e7ac547f3ec67f32 /jffsX-utils/sumtool.c | |
| parent | 9a357ee3b12e180ab116ac811c20c153e7aed254 (diff) | |
jffsX-utils: Return error code if command line option is unknown
The tools in question will quit with an exit code 0 if the command
line option was not recognized. By returning an error code a calling
script has the possibility to distinguish between a real success and
an invalid invocation.
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'jffsX-utils/sumtool.c')
| -rw-r--r-- | jffsX-utils/sumtool.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/jffsX-utils/sumtool.c b/jffsX-utils/sumtool.c index 0958615..a995bdf 100644 --- a/jffsX-utils/sumtool.c +++ b/jffsX-utils/sumtool.c @@ -156,9 +156,11 @@ void process_options (int argc, char **argv) target_endian = __LITTLE_ENDIAN; break; case 'h': - case '?': puts(helptext); exit(EXIT_SUCCESS); + case '?': + puts(helptext); + exit(EXIT_FAILURE); case 'v': verbose = 1; break; |