diff options
| author |   Ulrich Drepper <drepper@redhat.com> | 2009-11-19 10:29:16 -0800 |
|---|---|---|
| committer |   Petr Baudis <pasky@ucw.cz> | 2009-11-19 22:18:18 +0100 |
| commit | 16b583ea7ec0b96c8908e6c5418836f74554329a (patch) | |
| tree | c1f9a77e4e01c76bab761a76387e0ab6f8edf194 | |
| parent | Avoid warnings in CPU_* macros when using const bitsets. (diff) | |
| download | glibc-16b583ea7ec0b96c8908e6c5418836f74554329a.tar.gz glibc-16b583ea7ec0b96c8908e6c5418836f74554329a.tar.bz2 glibc-16b583ea7ec0b96c8908e6c5418836f74554329a.zip | |
Fix getwc* and putwc* on non-wide streams.
(cherry picked from commit df1934daa7788ca5f19d82efb02cdf9b9c495b1a)
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | libio/libio.h | 14 |
2 files changed, 13 insertions, 6 deletions
@@ -1,5 +1,10 @@ 2009-11-19 Ulrich Drepper <drepper@redhat.com> + [BZ #10958] + * libio/libio.h (_IO_getwc_unlocked): Check for _wide_data being + initialized before using it. + (_IO_putwc_unlocked): Likewise. + [BZ #10918] * sysdeps/unix/sysv/linux/bits/sched.h (__CPU_ISSET_S): Use __const in cast to not throw away const-ness of parameters. diff --git a/libio/libio.h b/libio/libio.h index 643812f72b..3c9f2bd3e8 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-1995,1997-2006,2007 Free Software Foundation, Inc. +/* Copyright (C) 1991-1995,1997-2006,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner <bothner@cygnus.com>. @@ -442,13 +442,15 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T # define _IO_getwc_unlocked(_fp) \ - (_IO_BE ((_fp)->_wide_data->_IO_read_ptr >= (_fp)->_wide_data->_IO_read_end,\ - 0) \ + (_IO_BE ((_fp)->_wide_data == NULL \ + || ((_fp)->_wide_data->_IO_read_ptr \ + >= (_fp)->_wide_data->_IO_read_end), 0) \ ? __wuflow (_fp) : (_IO_wint_t) *(_fp)->_wide_data->_IO_read_ptr++) # define _IO_putwc_unlocked(_wch, _fp) \ - (_IO_BE ((_fp)->_wide_data->_IO_write_ptr \ - >= (_fp)->_wide_data->_IO_write_end, 0) \ - ? __woverflow (_fp, _wch) \ + (_IO_BE ((_fp)->_wide_data == NULL \ + || ((_fp)->_wide_data->_IO_write_ptr \ + >= (_fp)->_wide_data->_IO_write_end), 0) \ + ? __woverflow (_fp, _wch) \ : (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch))) #endif |