fix integer overflow in WIFSTOPPED macro

[musl] / src / signal / siginterrupt.c

diff --git a/src/signal/siginterrupt.c b/src/signal/siginterrupt.c
index 60b3405..7006340 100644 (file)
--- a/src/signal/siginterrupt.c
+++ b/src/signal/siginterrupt.c
@@ -1,13 +1,12 @@
-#include <stdlib.h>
 #include <signal.h>
 
 int siginterrupt(int sig, int flag)
 {
        struct sigaction sa;
 
-       sigaction(sig, NULL, &sa);
+       sigaction(sig, 0, &sa);
        if (flag) sa.sa_flags &= ~SA_RESTART;
        else sa.sa_flags |= SA_RESTART;
 
-       return sigaction(sig, &sa, NULL);
+       return sigaction(sig, &sa, 0);
 }