From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libstddjb/prot_grps.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/libstddjb/prot_grps.c

(limited to 'src/libstddjb/prot_grps.c')

diff --git a/src/libstddjb/prot_grps.c b/src/libstddjb/prot_grps.c
new file mode 100644
index 0000000..cc4ba0d
--- /dev/null
+++ b/src/libstddjb/prot_grps.c
@@ -0,0 +1,17 @@
+/* ISC license. */
+
+/* MT-unsafe */
+
+#include <skalibs/nonposix.h>
+#include <unistd.h>
+#include <grp.h>
+#include <limits.h>
+#include <skalibs/setgroups.h>
+#include <skalibs/djbunix.h>
+
+int prot_grps (char const *name)
+{
+  gid_t tab[NGROUPS_MAX] ;
+  int n = prot_readgroups(name, tab, NGROUPS_MAX) ;
+  return n < 0 ? -1 : setgroups(n, tab) ;
+}
-- 
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