misc: cosmetics, remove argument from usage(int)

This patch is trivial and changes nothing, because
we were always using usage(0).

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>

4 files changed, 16 insertions, 16 deletions

diff --git a/misc-utils/blkid.c b/misc-utils/blkid.c
index 52179e5e1..f4757e8c8 100644
--- a/misc-utils/blkid.c
+++ b/misc-utils/blkid.c
@@ -68,9 +68,9 @@ static void print_version(FILE *out)
 		LIBBLKID_VERSION, LIBBLKID_DATE);
 }
 
-static void usage(int error)
+static void __attribute__((__noreturn__)) usage(void)
 {
-	FILE *out = error ? stderr : stdout;
+	FILE *out = stdout;
 
 	fputs(USAGE_HEADER, out);
 	fprintf(out, _(	" %s --label <label> | --uuid <uuid>\n\n"), program_invocation_short_name);
@@ -106,7 +106,7 @@ static void usage(int error)
 	fputs(USAGE_HELP, out);
 	fputs(USAGE_VERSION, out);
 	fprintf(out, USAGE_MAN_TAIL("blkid(8)"));
-	exit(error);
+	exit(EXIT_SUCCESS);
 }
 
 /*
@@ -794,7 +794,7 @@ int main(int argc, char **argv)
 			/* ignore - backward compatibility */
 			break;
 		case 'h':
-			usage(0);
+			usage();
 			break;
 		default:
 			errtryhelp(EXIT_FAILURE);
diff --git a/sys-utils/nsenter.c b/sys-utils/nsenter.c
index 6ad0b0fe0..204e6ce3b 100644
--- a/sys-utils/nsenter.c
+++ b/sys-utils/nsenter.c
@@ -65,9 +65,9 @@ static struct namespace_file {
 	{ .nstype = 0, .name = NULL, .fd = -1 }
 };
 
-static void __attribute__((__noreturn__)) usage(int status)
+static void __attribute__((__noreturn__)) usage(void)
 {
-	FILE *out = status == EXIT_SUCCESS ? stdout : stderr;
+	FILE *out = stdout;
 
 	fputs(USAGE_HEADER, out);
 	fprintf(out, _(" %s [options] [<program> [<argument>...]]\n"),
@@ -101,7 +101,7 @@ static void __attribute__((__noreturn__)) usage(int status)
 	fputs(USAGE_VERSION, out);
 	fprintf(out, USAGE_MAN_TAIL("nsenter(1)"));
 
-	exit(status);
+	exit(EXIT_SUCCESS);
 }
 
 static pid_t namespace_target_pid = 0;
@@ -253,7 +253,7 @@ int main(int argc, char *argv[])
 			    longopts, NULL)) != -1) {
 		switch (c) {
 		case 'h':
-			usage(EXIT_SUCCESS);
+			usage();
 		case 'V':
 			printf(UTIL_LINUX_VERSION);
 			return EXIT_SUCCESS;
diff --git a/sys-utils/unshare.c b/sys-utils/unshare.c
index 80fa0d356..d3973527b 100644
--- a/sys-utils/unshare.c
+++ b/sys-utils/unshare.c
@@ -238,9 +238,9 @@ static void bind_ns_files_from_child(pid_t *child, int fds[2])
 	}
 }
 
-static void __attribute__((__noreturn__)) usage(int status)
+static void __attribute__((__noreturn__)) usage(void)
 {
-	FILE *out = status == EXIT_SUCCESS ? stdout : stderr;
+	FILE *out = stdout;
 
 	fputs(USAGE_HEADER, out);
 	fprintf(out, _(" %s [options] [<program> [<argument>...]]\n"),
@@ -269,7 +269,7 @@ static void __attribute__((__noreturn__)) usage(int status)
 	fputs(USAGE_VERSION, out);
 	fprintf(out, USAGE_MAN_TAIL("unshare(1)"));
 
-	exit(status);
+	exit(EXIT_SUCCESS);
 }
 
 int main(int argc, char *argv[])
@@ -321,7 +321,7 @@ int main(int argc, char *argv[])
 			forkit = 1;
 			break;
 		case 'h':
-			usage(EXIT_SUCCESS);
+			usage();
 		case 'V':
 			printf(UTIL_LINUX_VERSION);
 			return EXIT_SUCCESS;
diff --git a/text-utils/column.c b/text-utils/column.c
index 1144ef87a..7f956f721 100644
--- a/text-utils/column.c
+++ b/text-utils/column.c
@@ -546,9 +546,9 @@ static void simple_print(struct column_control *ctl)
 	}
 }
 
-static void __attribute__((__noreturn__)) usage(int rc)
+static void __attribute__((__noreturn__)) usage(void)
 {
-	FILE *out = rc == EXIT_FAILURE ? stderr : stdout;
+	FILE *out = stdout;
 
 	fputs(USAGE_HEADER, out);
 	fprintf(out, _(" %s [options] [<file>...]\n"), program_invocation_short_name);
@@ -585,7 +585,7 @@ static void __attribute__((__noreturn__)) usage(int rc)
 	fputs(USAGE_VERSION, out);
 	fprintf(out, USAGE_MAN_TAIL("column(1)"));
 
-	exit(rc);
+	exit(EXIT_SUCCESS);
 }
 
 int main(int argc, char **argv)
@@ -657,7 +657,7 @@ int main(int argc, char **argv)
 			ctl.tab_colhide = optarg;
 			break;
 		case 'h':
-			usage(EXIT_SUCCESS);
+			usage();
 			break;
 		case 'i':
 			ctl.tree_id = optarg;