Btrfs-progs: clean up reduplicate parse_qgroupid() and replace atoi with strtoull

[platform/upstream/btrfs-progs.git] / help.c

diff --git a/help.c b/help.c
index 932bdf2..6d04293 100644 (file)
--- a/help.c
+++ b/help.c
@@ -162,9 +162,16 @@ static void usage_command_group_internal(const struct cmd_group *grp, int full,
 
 void usage_command_group(const struct cmd_group *grp, int full, int err)
 {
+       const char * const *usagestr = grp->usagestr;
        FILE *outf = err ? stderr : stdout;
 
-       fprintf(outf, "usage: %s\n\n", grp->usagestr);
+       if (usagestr && *usagestr) {
+               fprintf(outf, "usage: %s\n", *usagestr++);
+               while (*usagestr)
+                       fprintf(outf, "   or: %s\n", *usagestr++);
+       }
+
+       fputc('\n', outf);
        usage_command_group_internal(grp, full, outf);
        fputc('\n', outf);