Add --enable-embedded-help option to embed --help messages in binaries

[lttng-tools.git] / src / bin / lttng / utils.c

diff --git a/src/bin/lttng/utils.c b/src/bin/lttng/utils.c
index 912cbd5775b08bd97485c3dd3768a8ed1a6a8a71..06df5090ac767307eb37328d418c49b6fc7ca922 100644 (file)
--- a/src/bin/lttng/utils.c
+++ b/src/bin/lttng/utils.c
@@ -482,13 +482,18 @@ end:
        return;
 }
 
-int show_cmd_man_page(const char *cmd_name)
+int show_cmd_help(const char *cmd_name, const char *help_msg)
 {
        int ret;
        char page_name[32];
 
        ret = sprintf(page_name, "lttng-%s", cmd_name);
        assert(ret > 0 && ret < 32);
+       ret = utils_show_help(1, page_name, help_msg);
+       if (ret && !help_msg) {
+               ERR("Cannot view man page `lttng-%s(1)`", cmd_name);
+               perror("exec");
+       }
 
-       return utils_show_man_page(1, page_name);
+       return ret;
 }