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pgrep: exit with error message instead of usage()

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Printing usage() output at error is too noisy.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2011-12-18 13:39:28 +01:00
parent 003d388922
commit 46d5d44734
1 changed files with 15 additions and 13 deletions
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28
pgrep.c
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@ -732,27 +732,29 @@ static void parse_opts (int argc, char **argv)
} }
} }
if(opt_lock && !opt_pidfile){ if(opt_lock && !opt_pidfile)
warnx(_("-L without -F makes no sense")); errx(EXIT_FAILURE, _("-L without -F makes no sense\n"
usage(0); "Try `%s --help' for more information."),
} program_invocation_short_name);
if(opt_pidfile){ if(opt_pidfile){
opt_pid = read_pidfile(); opt_pid = read_pidfile();
if(!opt_pid){ if(!opt_pid)
warnx(_("pidfile not valid")); errx(EXIT_FAILURE, _("pidfile not valid\n"
usage(0); "Try `%s --help' for more information."),
} program_invocation_short_name);
} }
if (argc - optind == 1) if (argc - optind == 1)
opt_pattern = argv[optind]; opt_pattern = argv[optind];
else if (argc - optind > 1) else if (argc - optind > 1)
usage (0); errx(EXIT_FAILURE, _("only one pattern can be provided\n"
else if (criteria_count == 0) { "Try `%s --help' for more information."),
warnx(_("no matching criteria specified")); program_invocation_short_name);
usage (0); else if (criteria_count == 0)
} errx(EXIT_FAILURE, _("no matching criteria specified\n"
"Try `%s --help' for more information."),
program_invocation_short_name);
} }