optgroup: add check for optgroup bit numbers being within range

[fio.git] / optgroup.c

diff --git a/optgroup.c b/optgroup.c
index 122d24e98bbb80710df3ab3a7a32e7596be71984..1c418f5aa36f06064118f515e487de570b8c0cf8 100644 (file)
--- a/optgroup.c
+++ b/optgroup.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <inttypes.h>
 #include "optgroup.h"
+#include "compiler/compiler.h"
 
 /*
  * Option grouping
@@ -203,3 +204,5 @@ const struct opt_group *opt_group_cat_from_mask(uint64_t *mask)
 {
        return group_from_mask(fio_opt_cat_groups, mask, FIO_OPT_G_INVALID);
 }
+
+compiletime_assert(__FIO_OPT_G_NR <= 8 * sizeof(uint64_t), "__FIO_OPT_G_NR");