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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /pwd/getpwent.c
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initial import
Diffstat (limited to 'pwd/getpwent.c')
-rw-r--r--pwd/getpwent.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/pwd/getpwent.c b/pwd/getpwent.c
new file mode 100644
index 0000000000..1c88950f11
--- /dev/null
+++ b/pwd/getpwent.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 <pwd.h>
+
+static FILE *stream = NULL;
+
+/* Rewind the stream.  */
+void
+DEFUN_VOID(setpwent)
+{
+  if (stream != NULL)
+    rewind(stream);
+}
+
+
+/* Close the stream.  */
+void
+DEFUN_VOID(endpwent)
+{
+  if (stream != NULL)
+    {
+      (void) fclose(stream);
+      stream = NULL;
+    }
+}
+
+
+/* Return one entry from the password file.  */
+struct passwd *
+DEFUN_VOID(getpwent)
+{
+  static PTR info = NULL;
+  if (info == NULL)
+    {
+      info = __pwdalloc();
+      if (info == NULL)
+	return(NULL);
+    }
+
+  if (stream == NULL)
+    {
+      stream = __pwdopen();
+      if (stream == NULL)
+	return(NULL);
+    }
+
+  return(__pwdread(stream, info));
+}