tools/cgexec: increase the column width to 100

100 column width is more comfortable to read over 80 columns, lets
increase it.  This patch, also introduced/removes empty lines across
the file, making it more readable.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>

diff --git a/src/tools/cgexec.c b/src/tools/cgexec.c
index c0381b3b76c3e6760746927dad784af0334e758c..eb3a91fb2593e31cdc4f32f96df5b67c3dc4eb13 100644 (file)
--- a/src/tools/cgexec.c
+++ b/src/tools/cgexec.c
@@ -38,23 +38,19 @@ static struct option longopts[] = {
 static void usage(int status, const char *program_name)
 {
        if (status != 0) {
-               err("Wrong input parameters,");
-               err(" try %s --help' for more information.\n", program_name);
+               err("Wrong input parameters, try %s --help for more information.\n", program_name);
                return;
        }
 
-       info("Usage: %s [-h] [-g <controllers>:<path>] [--sticky] ",
-            program_name);
+       info("Usage: %s [-h] [-g <controllers>:<path>] [--sticky] ", program_name);
        info("command [arguments] ...\n");
        info("Run the task in given control group(s)\n");
-       info("  -g <controllers>:<path> Control group which ");
-       info("should be added\n");
+       info("  -g <controllers>:<path> Control group which should be added\n");
        info("  -h, --help                      Display this help\n");
        info("  --sticky                        cgred daemon does not ");
        info("change pidlist and children tasks\n");
 }
 
-
 int main(int argc, char *argv[])
 {
        struct cgroup_group_spec *cgroup_list[CG_HIER_MAX];
@@ -71,11 +67,9 @@ int main(int argc, char *argv[])
        while ((c = getopt_long(argc, argv, "+g:sh", longopts, NULL)) > 0) {
                switch (c) {
                case 'g':
-                       ret = parse_cgroup_spec(cgroup_list, optarg,
-                                               CG_HIER_MAX);
+                       ret = parse_cgroup_spec(cgroup_list, optarg, CG_HIER_MAX);
                        if (ret) {
-                               err("cgroup controller and path parsing ");
-                               err("failed\n");
+                               err("cgroup controller and path parsing failed\n");
                                return -1;
                        }
                        cg_specified = 1;
@@ -101,8 +95,7 @@ int main(int argc, char *argv[])
        /* Initialize libcg */
        ret = cgroup_init();
        if (ret) {
-               err("libcgroup initialization failed: %s\n",
-                   cgroup_strerror(ret));
+               err("libcgroup initialization failed: %s\n", cgroup_strerror(ret));
                return ret;
        }
 
@@ -122,10 +115,10 @@ int main(int argc, char *argv[])
        }
 
        /*
-        * 'cgexec' command file needs the root privilege for executing
-        * a cgroup_register_unchanged_process() by using unix domain
-        * socket, and an euid/egid should be changed to the executing user
-        * from a root user.
+        * 'cgexec' command file needs the root privilege for executing a
+        * cgroup_register_unchanged_process() by using unix domain socket,
+        * and an euid/egid should be changed to the executing user from a
+        * root user.
         */
        if (setresuid(uid, uid, uid)) {
                err("%s", strerror(errno));
@@ -139,15 +132,14 @@ int main(int argc, char *argv[])
 
        if (cg_specified) {
                /*
-                * User has specified the list of control group and
-                * controllers
+                * User has specified the list of control group
+                * and controllers
                 */
                for (i = 0; i < CG_HIER_MAX; i++) {
                        if (!cgroup_list[i])
                                break;
 
-                       ret = cgroup_change_cgroup_path(cgroup_list[i]->path,
-                               pid,
+                       ret = cgroup_change_cgroup_path(cgroup_list[i]->path, pid,
                                (const char *const*) cgroup_list[i]->controllers);
                        if (ret) {
                                err("cgroup change of group failed\n");
@@ -157,8 +149,7 @@ int main(int argc, char *argv[])
        } else {
 
                /* Change the cgroup by determining the rules based on uid */
-               ret = cgroup_change_cgroup_flags(uid, gid,
-                                                argv[optind], pid, 0);
+               ret = cgroup_change_cgroup_flags(uid, gid, argv[optind], pid, 0);
                if (ret) {
                        err("cgroup change of group failed\n");
                        return ret;