mkswap: cleanup usage()

- don't use one string for all --help output
- use USAGE_* macros

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/disk-utils/mkswap.c b/disk-utils/mkswap.c
index af9f1d9e80f1b0595a7c7aa9446425a7d769b91f..b0ecb4cf1107e979a8a18d92902465a8fe109f99 100644 (file)
--- a/disk-utils/mkswap.c
+++ b/disk-utils/mkswap.c
@@ -150,23 +150,21 @@ static void set_uuid_and_label(const struct mkswap_control *ctl)
 static void __attribute__((__noreturn__)) usage(void)
 {
        FILE *out = stdout;
-       fprintf(out,
-               _("\nUsage:\n"
-                 " %s [options] device [size]\n"),
-               program_invocation_short_name);
+
+       fputs(USAGE_HEADER, out);
+       fprintf(out, _(" %s [options] device [size]\n"), program_invocation_short_name);
 
        fputs(USAGE_SEPARATOR, out);
        fputs(_("Set up a Linux swap area.\n"), out);
 
-       fprintf(out, _(
-               "\nOptions:\n"
-               " -c, --check               check bad blocks before creating the swap area\n"
-               " -f, --force               allow swap size area be larger than device\n"
-               " -p, --pagesize SIZE       specify page size in bytes\n"
-               " -L, --label LABEL         specify label\n"
-               " -v, --swapversion NUM     specify swap-space version number\n"
-               " -U, --uuid UUID           specify the uuid to use\n"
-               ));
+       fputs(USAGE_OPTIONS, out);
+       fputs(_(" -c, --check               check bad blocks before creating the swap area\n"), out);
+       fputs(_(" -f, --force               allow swap size area be larger than device\n"), out);
+       fputs(_(" -p, --pagesize SIZE       specify page size in bytes\n"), out);
+       fputs(_(" -L, --label LABEL         specify label\n"), out);
+       fputs(_(" -v, --swapversion NUM     specify swap-space version number\n"), out);
+       fputs(_(" -U, --uuid UUID           specify the uuid to use\n"), out);
+
        fprintf(out,
              _("     --lock[=<mode>]       use exclusive device lock (%s, %s or %s)\n"), "yes", "no", "nonblock");
        printf(USAGE_HELP_OPTIONS(27));