X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcgls%2Fcgls.c;h=b8e275d013c13c488e4c8c2b89facfb35529d29e;hb=8875e122f0014758a987e2de3eafbd6a8bfef515;hp=c3229ad2d3dbca66dc7c21c3d088423dd9d78bc5;hpb=9444b1f20e311f073864d81e913bd4f32fe95cfd;p=elogind.git

diff --git a/src/cgls/cgls.c b/src/cgls/cgls.c
index c3229ad2d..b8e275d01 100644
--- a/src/cgls/cgls.c
+++ b/src/cgls/cgls.c
@@ -42,7 +42,7 @@ static bool arg_all = false;
 static int arg_full = -1;
 static char* arg_machine = NULL;
 
-static void help(void) {
+static int help(void) {
 
         printf("%s [OPTIONS...] [CGROUP...]\n\n"
                "Recursively show control group contents.\n\n"
@@ -54,6 +54,8 @@ static void help(void) {
                "  -k                  Include kernel threads in output\n"
                "  -M --machine        Show container\n",
                program_invocation_short_name);
+
+        return 0;
 }
 
 static int parse_argv(int argc, char *argv[]) {
@@ -70,7 +72,7 @@ static int parse_argv(int argc, char *argv[]) {
                 { "all",       no_argument,       NULL, 'a'          },
                 { "full",      no_argument,       NULL, 'l'          },
                 { "machine",   required_argument, NULL, 'M'          },
-                { NULL,        0,                 NULL, 0            }
+                {}
         };
 
         int c;
@@ -83,8 +85,7 @@ static int parse_argv(int argc, char *argv[]) {
                 switch (c) {
 
                 case 'h':
-                        help();
-                        return 0;
+                        return help();
 
                 case ARG_VERSION:
                         puts(PACKAGE_STRING);
@@ -115,8 +116,7 @@ static int parse_argv(int argc, char *argv[]) {
                         return -EINVAL;
 
                 default:
-                        log_error("Unknown option code %c", c);
-                        return -EINVAL;
+                        assert_not_reached("Unhandled option");
                 }
         }
 
@@ -156,7 +156,9 @@ int main(int argc, char *argv[]) {
 
                 for (i = optind; i < argc; i++) {
                         int q;
-                        printf("%s:\n", argv[i]);
+
+                        fprintf(stdout, "%s:\n", argv[i]);
+                        fflush(stdout);
 
                         if (arg_machine)
                                 root = strjoin("machine/", arg_machine, "/", argv[i], NULL);