X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcgtop%2Fcgtop.c;h=509fe4cdc8341a89155494ffdb37ce39cb923221;hp=e5fc262357c3aad3b517414ff894eef073d4f1bf;hb=edc501d4674dadc304d45a7e1c5b69e207eb8cd4;hpb=eb9da376d76b48585b3b63b4f91903b54f7abd36

diff --git a/src/cgtop/cgtop.c b/src/cgtop/cgtop.c
index e5fc26235..509fe4cdc 100644
--- a/src/cgtop/cgtop.c
+++ b/src/cgtop/cgtop.c
@@ -98,7 +98,7 @@ static void group_hashmap_free(Hashmap *h) {
 static int process(const char *controller, const char *path, Hashmap *a, Hashmap *b, unsigned iteration) {
         Group *g;
         int r;
-        FILE *f;
+        FILE *f = NULL;
         pid_t pid;
         unsigned n;
 
@@ -548,8 +548,7 @@ static int display(Hashmap *a) {
         return 0;
 }
 
-static int help(void) {
-
+static void help(void) {
         printf("%s [OPTIONS...]\n\n"
                "Show top control groups by their resource usage.\n\n"
                "  -h --help           Show this help\n"
@@ -563,10 +562,8 @@ static int help(void) {
                "  -d --delay=DELAY    Delay between updates\n"
                "  -n --iterations=N   Run for N iterations before exiting\n"
                "  -b --batch          Run in batch mode, accepting no input\n"
-               "     --depth=DEPTH    Maximum traversal depth (default: %d)\n",
-               program_invocation_short_name, arg_depth);
-
-        return 0;
+               "     --depth=DEPTH    Maximum traversal depth (default: %u)\n"
+               , program_invocation_short_name, arg_depth);
 }
 
 static int parse_argv(int argc, char *argv[]) {
@@ -594,12 +591,13 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 1);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "hptcmin:bd:", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "hptcmin:bd:", options, NULL)) >= 0)
 
                 switch (c) {
 
                 case 'h':
-                        return help();
+                        help();
+                        return 0;
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
@@ -674,7 +672,6 @@ static int parse_argv(int argc, char *argv[]) {
                 default:
                         assert_not_reached("Unhandled option");
                 }
-        }
 
         if (optind < argc) {
                 log_error("Too many arguments.");