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-rw-r--r--signal/sigandset.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/signal/sigandset.c b/signal/sigandset.c
index f81a593..ffea141 100644
--- a/signal/sigandset.c
+++ b/signal/sigandset.c
@@ -17,18 +17,18 @@
#include <errno.h>
#include <signal.h>
-#define __need_NULL
-#include <stddef.h>
+#include <sigsetops.h>
/* Combine sets LEFT and RIGHT by logical AND and place result in DEST. */
int
sigandset (sigset_t *dest, const sigset_t *left, const sigset_t *right)
{
- if (dest == NULL || left == NULL || right == NULL)
+ if (!dest || !left || !right)
{
__set_errno (EINVAL);
return -1;
}
- return __sigandset (dest, left, right);
+ __sigandset (dest, left, right);
+ return 0;
}