--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/prot.c	Fri Oct 19 14:06:22 2007 +0200
@@ -0,0 +1,21 @@
+#include "hasshsgr.h"
+#include "prot.h"
+
+/* XXX: there are more portability problems here waiting to leap out at me */
+
+int prot_gid(gid) int gid;
+{
+#ifdef HASSHORTSETGROUPS
+  short x[2];
+  x[0] = gid; x[1] = 73; /* catch errors */
+  if (setgroups(1,x) == -1) return -1;
+#else
+  if (setgroups(1,&gid) == -1) return -1;
+#endif
+  return setgid(gid); /* _should_ be redundant, but on some systems it isn't */
+}
+
+int prot_uid(uid) int uid;
+{
+  return setuid(uid);
+}