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Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/getgroups.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/getgroups.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/getgroups.c b/sysdeps/unix/sysv/linux/i386/getgroups.c
new file mode 100644
index 0000000000..2b8f9575fb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/getgroups.c
@@ -0,0 +1,43 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <linux/posix_types.h>
+
+extern int __syscall_getgroups __P ((int, __kernel_gid_t *));
+
+/* For Linux we must convert the array of groups from the format that the
+   kernel returns.  */
+int
+__getgroups (n, groups)
+     int n;
+     gid_t *groups;
+{
+  int i, ngids;
+  __kernel_gid_t kernel_groups[n];
+
+  ngids = __syscall_getgroups (n, kernel_groups);
+  if (n != 0 && ngids > 0)
+    for (i = 0; i < ngids; i++)
+      groups[i] = kernel_groups[i];
+  return ngids;
+}
+
+weak_alias (__getgroups, getgroups)