mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-28 12:55:26 +08:00
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
|
|
Copyright (C) 1993 Free Software Foundation
|
|
|
|
This file is part of the GNU IO Library. This library is free
|
|
software; you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the
|
|
Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this library; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
As a special exception, if you link this library with files
|
|
compiled with a GNU compiler to produce an executable, this does not cause
|
|
the resulting executable to be covered by the GNU General Public License.
|
|
This exception does not however invalidate any other reasons why
|
|
the executable file might be covered by the GNU General Public License. */
|
|
|
|
#include "libioP.h"
|
|
|
|
int
|
|
_IO_ignore (fp, n)
|
|
_IO_FILE *fp;
|
|
_IO_size_t n;
|
|
{
|
|
register _IO_size_t more = n;
|
|
for (;;)
|
|
{
|
|
_IO_ssize_t count = fp->_IO_read_end - fp->_IO_read_ptr;
|
|
if (count > 0)
|
|
{
|
|
if (count > more)
|
|
count = more;
|
|
fp->_IO_read_ptr += count;
|
|
more -= count;
|
|
}
|
|
if (more == 0 || __underflow(fp) == EOF)
|
|
break;
|
|
}
|
|
return n - more;
|
|
}
|