From 2486b4965bc9cad848f2da57fe0ea53f851bd5ad Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 15 Jul 2008 18:13:22 +0000 Subject: * stdio-common/vfprintf.c (_IO_helper_overflow): In case _IO_sputn doesn't manage to write anything, fail. --- stdio-common/vfprintf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'stdio-common') diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index ca6343c..78a1c77 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-2002, 2003, 2004, 2005, 2006, 2007 +/* Copyright (C) 1991-2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -2080,6 +2080,8 @@ _IO_helper_overflow (_IO_FILE *s, int c) { _IO_size_t written = _IO_sputn (target, s->_wide_data->_IO_write_base, used); + if (written == 0) + return WEOF; s->_wide_data->_IO_write_ptr -= written; } #else @@ -2087,6 +2089,8 @@ _IO_helper_overflow (_IO_FILE *s, int c) if (used) { _IO_size_t written = _IO_sputn (target, s->_IO_write_base, used); + if (written == 0) + return EOF; s->_IO_write_ptr -= written; } #endif -- cgit v1.1