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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

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This commit is contained in:
Ulrich Drepper
2004-12-22 20:10:10 +00:00
parent 0ecb606cb6
commit a334319f65
6215 changed files with 304673 additions and 494300 deletions
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32
libio/wfiledoalloc.c
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@ -1,5 +1,4 @@
/* Copyright (C) 1993, 1997, 1999, 2000, 2002, 2006
Free Software Foundation, Inc.
/* Copyright (C) 1993, 1997, 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -86,20 +85,35 @@ _IO_wfile_doallocate (fp)
_IO_FILE *fp;
{
_IO_size_t size;
int couldbetty;
wchar_t *p;
struct _G_stat64 st;
/* Allocate room for the external buffer. */
if (fp->_IO_buf_base == NULL)
INTUSE(_IO_file_doallocate) (fp);
/* If narrow buffer is user allocated (set by setvbuf etc.),
use that size as the size of the wide buffer, when it is
allocated by _IO_file_doallocate, multiply that by size
of the wide character. */
size = fp->_IO_buf_end - fp->_IO_buf_base;
if ((fp->_flags & _IO_USER_BUF))
size = (size + sizeof (wchar_t) - 1) / sizeof (wchar_t);
if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0)
{
couldbetty = 0;
size = _IO_BUFSIZ;
#if 0
/* do not try to optimise fseek() */
fp->_flags |= __SNPT;
#endif
}
else
{
couldbetty = S_ISCHR (st.st_mode);
#if _IO_HAVE_ST_BLKSIZE
size = st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize;
#else
size = _IO_BUFSIZ;
#endif
}
ALLOC_WBUF (p, size * sizeof (wchar_t), EOF);
INTUSE(_IO_wsetb) (fp, p, p + size, 1);
if (couldbetty && isatty (fp->_fileno))
fp->_flags |= _IO_LINE_BUF;
return 1;
}