From: Ivana Hutarova Varekova <varekova@redhat.com>
Date: Fri, 27 Sep 2013 05:17:07 +0000 (+0200)
Subject: cgset: polish usage function
X-Git-Tag: v0.41~26
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e806711f2580a32bf51598ba5abfae3a5901762;p=thirdparty%2Flibcgroup.git

cgset: polish usage function

This change is suggested by Dhaval Giani <dhaval.giani@gmail.com>.
Polish "usage" function of cgset tool. Remove a level of indentation.
Use tabulators instead of spaces.
Based on Jan's comment change typo display->set in -g description

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Acked-by: Dhaval Giani <dhaval.giani@gmail.com>
Acked-by: Jan Safranek <jsafrane@redhat.com>
---

diff --git a/src/tools/cgset.c b/src/tools/cgset.c
index 614477e3..ea9f90d3 100644
--- a/src/tools/cgset.c
+++ b/src/tools/cgset.c
@@ -57,21 +57,20 @@ scgroup_err:
 
 static void usage(int status, const char *program_name)
 {
-	if (status != 0)
+	if (status != 0) {
 		fprintf(stderr, "Wrong input parameters,"
 			" try %s --help' for more information.\n",
 			program_name);
-	else {
-		printf("Usage: %s [-r <name=value>]  <cgroup_path> ...\n"
-			"   or: %s --copy-from <source_cgroup_path> "
-			    "<cgroup_path> ...\n",
-			program_name, program_name);
-		printf("Set the parameters of given cgroup(s)\n");
-		printf("  -r, --variable <name>                 "\
-			"Define parameter to display\n");
-		printf("  --copy-from <source_cgroup_path>      "\
-			"Control group whose parameters will be copied\n");
+		return;
 	}
+	printf("Usage: %s [-r <name=value>] <cgroup_path> ...\n"
+		"   or: %s --copy-from <source_cgroup_path> "\
+		"<cgroup_path> ...\n", program_name, program_name);
+	printf("Set the parameters of given cgroup(s)\n");
+	printf("  -r, --variable <name>			Define parameter "\
+		"to set\n");
+	printf("  --copy-from <source_cgroup_path>	Control group whose "\
+		"parameters will be copied\n");
 }
 
 int main(int argc, char *argv[])