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authorUlrich Drepper <drepper@redhat.com>1999-06-07 20:17:36 +0000
committerUlrich Drepper <drepper@redhat.com>1999-06-07 20:17:36 +0000
commitdb873f322bdefd03e68e7196277aee44fc021791 (patch)
tree5bec02675f8b6fc1cfd729e2518ab620561c007b /grp/fgetgrent.c
parent15828e9d787fc2ff5d9bb277765bf6666f1563c3 (diff)
downloadglibc-db873f322bdefd03e68e7196277aee44fc021791.tar.gz
Update.
1999-06-07 Ulrich Drepper <drepper@cygnus.com> * grp/fgetgrent.c (fgetgrent): Remember position of stream before reading and reset in case the buffer was too small. * grp/fgetgrent_r.c (__fgetgrent_r): Set errno to ENOENT in case of EOF.
Diffstat (limited to 'grp/fgetgrent.c')
-rw-r--r--grp/fgetgrent.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/grp/fgetgrent.c b/grp/fgetgrent.c
index 24fdcd86d9..ac8d093f05 100644
--- a/grp/fgetgrent.c
+++ b/grp/fgetgrent.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996, 1997, 1999 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
@@ -19,6 +19,7 @@
#include <errno.h>
#include <grp.h>
#include <bits/libc-lock.h>
+#include <stdio.h>
#include <stdlib.h>
@@ -32,9 +33,13 @@ fgetgrent (FILE *stream)
static char *buffer;
static size_t buffer_size;
static struct group resbuf;
+ fpos_t pos;
struct group *result;
int save;
+ if (fgetpos (stream, &pos) != 0)
+ return NULL;
+
/* Get lock. */
__libc_lock_lock (lock);
@@ -61,6 +66,13 @@ fgetgrent (FILE *stream)
__set_errno (save);
}
buffer = new_buf;
+
+ /* Reset the stream. */
+ if (fsetpos (stream, &pos) != 0)
+ {
+ buffer = NULL;
+ break;
+ }
}
if (buffer == NULL)