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i3-msg: Return an exit code upon missing -t arg 

If getopt() returns '?' (option with a missing argument), exit the program with an error code rather than continuing the execution.

Fix the issue #2804 (https://github.com/i3/i3/issues/2804).
This commit is contained in:
hwangcc23 2017-06-22 22:53:08 +08:00
parent 78adcdab7f
commit 5362876b60
1 changed files with 2 additions and 0 deletions
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2
i3-msg/main.c
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@ -180,6 +180,8 @@ int main(int argc, char *argv[]) {
printf("i3-msg " I3_VERSION "\n"); printf("i3-msg " I3_VERSION "\n");
printf("i3-msg [-s <socket>] [-t <type>] <message>\n"); printf("i3-msg [-s <socket>] [-t <type>] <message>\n");
return 0; return 0;
} else if (o == '?') {
exit(EXIT_FAILURE);
} }
} }