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Fix getwc* and putwc* on non-wide streams.

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This commit is contained in:
Ulrich Drepper 2009-11-19 10:29:16 -08:00
parent 03ebadd9ea
commit df1934daa7
2 changed files with 13 additions and 6 deletions
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5
ChangeLog
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@ -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.

14
libio/libio.h
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@ -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