1 files changed, 3 insertions, 3 deletions

diff --git a/misc.c b/misc.c
index ad6d88641..47de8735d 100644
--- a/misc.c
+++ b/misc.c
@@ -102,10 +102,10 @@ mysignal(int sig, mysig_t act)
 #ifdef HAVE_SIGACTION
         struct sigaction sa, osa;
 
-        if (sigaction(sig, 0, &osa) == -1)
+        if (sigaction(sig, NULL, &osa) == -1)
                 return (mysig_t) -1;
         if (osa.sa_handler != act) {
-                memset(&sa, 0, sizeof sa);
+                memset(&sa, 0, sizeof(sa));
                 sigemptyset(&sa.sa_mask);
                 sa.sa_flags = 0;
 #ifdef SA_RESTART
@@ -113,7 +113,7 @@ mysignal(int sig, mysig_t act)
                         sa.sa_flags |= SA_RESTART;
 #endif
                 sa.sa_handler = act;
-                if (sigaction(sig, &sa, 0) == -1)
+                if (sigaction(sig, &sa, NULL) == -1)
                         return (mysig_t) -1;
         }
         return (osa.sa_handler);