diff options
Diffstat (limited to 'grp/fgetgrent.c')
| -rw-r--r-- | grp/fgetgrent.c | 14 |
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) |