initial import

1 files changed, 67 insertions, 0 deletions

diff --git a/grp/getgrent.c b/grp/getgrent.c
new file mode 100644
index 0000000000..105572f9a0
--- /dev/null
+++ b/grp/getgrent.c
@@ -0,0 +1,67 @@
+/* Copyright (C) 1991 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <grp.h>
+
+static FILE *stream = NULL;
+
+/* Rewind the stream.  */
+void
+DEFUN_VOID(setgrent)
+{
+  if (stream != NULL)
+    rewind(stream);
+}
+
+
+/* Close the stream.  */
+void
+DEFUN_VOID(endgrent)
+{
+  if (stream != NULL)
+    {
+      (void) fclose(stream);
+      stream = NULL;
+    }
+}
+
+
+/* Read an entry from the stream.  */
+struct group *
+DEFUN_VOID(getgrent)
+{
+  static PTR info = NULL;
+  if (info == NULL)
+    {
+      info = __grpalloc();
+      if (info == NULL)
+	return(NULL);
+    }
+
+  if (stream == NULL)
+    {
+      stream = __grpopen();
+      if (stream == NULL)
+	return(NULL);
+    }
+
+  return(__grpread(stream, info));
+}