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-rw-r--r--libio/iovsscanf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libio/iovsscanf.c b/libio/iovsscanf.c
index 21600f53ef..0674a4b164 100644
--- a/libio/iovsscanf.c
+++ b/libio/iovsscanf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@@ -23,6 +23,7 @@
other reasons why the executable file might be covered by the GNU
General Public License. */
+#include <errno.h>
#include "libioP.h"
#include "strfile.h"
@@ -43,6 +44,8 @@ _IO_vsscanf (string, format, args)
_IO_str_init_static (&sf._sbf._f, (char*)string, 0, NULL);
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, &sf);
_IO_flockfile (&sf._sbf._f);
+ errno = 0; /* Necessary since _IO_vfscanf tests for errno but the
+ string I/O functions don't set it. */
ret = _IO_vfscanf (&sf._sbf._f, format, args, NULL);
_IO_cleanup_region_end (1);
return ret;