diff options
Diffstat (limited to 'stdio-common/vfprintf.c')
| -rw-r--r-- | stdio-common/vfprintf.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index ca6343c37f..714c76c3d4 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 +2080,11 @@ _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 || written == WEOF) + return WEOF; + __wmemmove (s->_wide_data->_IO_write_base, + s->_wide_data->_IO_write_base + written, + used - written); s->_wide_data->_IO_write_ptr -= written; } #else @@ -2087,6 +2092,10 @@ _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 || written == EOF) + return EOF; + memmove (s->_IO_write_base, s->_IO_write_base + written, + used - written); s->_IO_write_ptr -= written; } #endif |