1 files changed, 71 insertions, 0 deletions
diff --git a/gshadow/putsgent.c b/gshadow/putsgent.c
new file mode 100644
index 0000000000..938a71334c
--- /dev/null
+++ b/gshadow/putsgent.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 2009 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdbool.h>
+#include <stdio.h>
+#include <gshadow.h>
+
+#define _S(x)	x ? x : ""
+
+
+/* Write an entry to the given stream.
+   This must know the format of the group file.  */
+int
+putsgent (const struct sgrp *g, FILE *stream)
+{
+  int errors = 0;
+
+  _IO_flockfile (stream);
+
+  if (fprintf (stream, "%s:%s:", g->sg_namp, _S (g->sg_passwd)) < 0)
+    ++errors;
+
+  bool first = true;
+  char **sp = g->sg_adm;
+  if (sp != NULL)
+    while (*sp != NULL)
+      {
+	if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
+	  {
+	    ++errors;
+	    break;
+	  }
+	first = false;
+      }
+  if (putc_unlocked (':', stream) == EOF)
+    ++errors;
+
+  first = true;
+  sp = g->sg_mem;
+  if (sp != NULL)
+    while (*sp != NULL)
+      {
+	if (fprintf (stream, "%s%s", first ? "" : ",", *sp++) < 0)
+	  {
+	    ++errors;
+	    break;
+	  }
+	first = false;
+      }
+  if (putc_unlocked ('\n', stream) == EOF)
+    ++errors;
+
+  _IO_funlockfile (stream);
+
+  return errors ? -1 : 0;
+}