Explicitly check for NULL for groupname

dlundquist · Apr 24, 2017 · a598db4 · a598db4
1 parent 4fbddf6
commit a598db4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/sniproxy.c b/src/sniproxy.c
@@ -224,7 +224,7 @@ drop_perms(const char *username, const char *groupname) {
 
     gid_t gid = user->pw_gid;
 
-    if (groupname) {
+    if (groupname != NULL) {
       errno = 0;
       struct group *group = getgrnam(groupname);
       if (errno)