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-rw-r--r--grp/fgetgrent_r.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/grp/fgetgrent_r.c b/grp/fgetgrent_r.c
new file mode 100644
index 0000000000..f8b8d97d25
--- /dev/null
+++ b/grp/fgetgrent_r.c
@@ -0,0 +1,63 @@
+/* Copyright (C) 1991, 1996 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 <ctype.h>
+#include <grp.h>
+#include <stdio.h>
+
+/* Define a line parsing function using the common code
+   used in the nss_files module.  */
+
+#define STRUCTURE	group
+#define ENTNAME		grent
+struct grent_data {};
+
+#define TRAILING_LIST_MEMBER		gr_mem
+#define TRAILING_LIST_SEPARATOR_P(c)	((c) == ',')
+#include "../nss/nss_files/files-parse.c"
+LINE_PARSER
+(,
+ STRING_FIELD (result->gr_name, ISCOLON, 0);
+ STRING_FIELD (result->gr_passwd, ISCOLON, 0);
+ INT_FIELD (result->gr_gid, ISCOLON, 0, 10,);
+ )
+
+
+/* Read one entry from the given stream.  */
+struct group *
+__fgetgrent_r (FILE *stream, struct group *result, char *buffer, int buflen)
+{
+  char *p;
+
+  do
+    {
+      p = fgets (buffer, buflen, stream);
+      if (p == NULL)
+	return NULL;
+
+      /* Skip leading blanks.  */
+      while (isspace (*p))
+	++p;
+    } while (*p == '\0' || *p == '#' ||	/* Ignore empty and comment lines.  */
+	     /* Parse the line.  If it is invalid, loop to
+		get the next line of the file to parse.  */
+	     ! parse_line (p, result, (void *) buffer, buflen));
+
+  return result;
+}
+weak_alias (__fgetgrent_r, fgetgrent_r)