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-rw-r--r--include/optutils.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/optutils.h b/include/optutils.h
index 99ad7e4b4..325cb8812 100644
--- a/include/optutils.h
+++ b/include/optutils.h
@@ -1,6 +1,8 @@
#ifndef UTIL_LINUX_OPTUTILS_H
#define UTIL_LINUX_OPTUTILS_H
+#include <assert.h>
+
#include "c.h"
#include "nls.h"
@@ -8,6 +10,7 @@ static inline const char *option_to_longopt(int c, const struct option *opts)
{
const struct option *o;
+ assert(!(opts == NULL));
for (o = opts; o->name; o++)
if (o->val == c)
return o->name;