Add a '--list-options' option to each command.
[lttng-tools.git] / src / bin / lttng / commands / stop.c
index 0a942645db70b5b278e8af8c8b3f5e780d706ce2..82c9b4e13fb03baea2a3eff5146902ffbe60ddd3 100644 (file)
@@ -31,11 +31,13 @@ static char *opt_session_name;
 
 enum {
        OPT_HELP = 1,
+       OPT_LIST_OPTIONS,
 };
 
 static struct poptOption long_options[] = {
        /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
        {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+       {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
        {0, 0, 0, 0, 0, 0, 0}
 };
 
@@ -50,6 +52,7 @@ static void usage(FILE *ofp)
        fprintf(ofp, "get it from the configuration directory (.lttng).\n");
        fprintf(ofp, "\n");
        fprintf(ofp, "  -h, --help               Show this help\n");
+       fprintf(ofp, "      --list-options       Simple listing of options\n");
        fprintf(ofp, "\n");
 }
 
@@ -106,6 +109,10 @@ int cmd_stop(int argc, const char **argv)
                        usage(stderr);
                        ret = CMD_SUCCESS;
                        goto end;
+               case OPT_LIST_OPTIONS:
+                       list_cmd_options(stdout, long_options);
+                       ret = CMD_SUCCESS;
+                       goto end;
                default:
                        usage(stderr);
                        ret = CMD_UNDEFINED;
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