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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 /grp/getgrnam.c
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initial import
Diffstat (limited to 'grp/getgrnam.c')
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diff --git a/grp/getgrnam.c b/grp/getgrnam.c
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+/* 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 <string.h>
+#include <grp.h>
+
+/* Search for an entry with a matching name.  */
+struct group *
+DEFUN(getgrnam, (name), register CONST char *name)
+{
+  static PTR info = NULL;
+  register FILE *stream;
+  register struct group *g;
+
+  if (info == NULL)
+    {
+      info = __grpalloc();
+      if (info == NULL)
+	return NULL;
+    }
+
+  stream = __grpopen();
+  if (stream == NULL)
+    return NULL;
+
+  while ((g = __grpread(stream, info)) != NULL)
+    if (!strcmp(g->gr_name, name))
+      break;
+
+  (void) fclose(stream);
+  return g;
+}