diff options
author | Lennart Poettering <lennart@poettering.net> | 2013-11-06 18:28:39 +0100 |
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committer | Lennart Poettering <lennart@poettering.net> | 2013-11-06 18:28:39 +0100 |
commit | eb9da376d76b48585b3b63b4f91903b54f7abd36 (patch) | |
tree | f58957844d6248d2df547727a4bfbd1b81c2ef97 /src/boot | |
parent | 4087cb9e8fb90957d90d577e62e8ba056c2258cf (diff) |
clients: unify how we invoke getopt_long()
Among other things this makes sure we always expose a --version command
and show it in the help texts.
Diffstat (limited to 'src/boot')
-rw-r--r-- | src/boot/bootctl.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c index d25ddef6e5..9387e05d0e 100644 --- a/src/boot/bootctl.c +++ b/src/boot/bootctl.c @@ -33,6 +33,7 @@ #include "utf8.h" static int help(void) { + printf("%s [OPTIONS...] COMMAND ...\n\n" "Query or change firmware and boot manager settings.\n\n" " -h --help Show this help\n" @@ -52,20 +53,20 @@ static int parse_argv(int argc, char *argv[]) { static const struct option options[] = { { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, ARG_VERSION }, - { NULL, 0, NULL, 0 } + {} }; int c; assert(argc >= 0); assert(argv); + while ((c = getopt_long(argc, argv, "+hH:P", options, NULL)) >= 0) { switch (c) { case 'h': - help(); - return 0; + return help(); case ARG_VERSION: puts(PACKAGE_STRING); @@ -76,8 +77,7 @@ static int parse_argv(int argc, char *argv[]) { return -EINVAL; default: - log_error("Unknown option code %c", c); - return -EINVAL; + assert_not_reached("Unhandled option"); } } |