X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/4acbfa2ade4b81fbc5af5bc30f97b9feb9a40545..f69204adad8d9fc3538d510fa88079e4c890eef8:/getgroups.c

diff --git a/getgroups.c b/getgroups.c
index 7d681d16..b3202c3b 100644
--- a/getgroups.c
+++ b/getgroups.c
@@ -26,7 +26,13 @@
 
 #include "rsync.h"
 
-int main(int argc, char *argv[])
+#ifndef NGROUPS
+/* It ought to be defined, but just in case. */
+#  define NGROUPS 32
+#endif
+
+int
+main(UNUSED(int argc), UNUSED(char *argv[]))
 {
 	int n, i;
 	gid_t list[NGROUPS];