mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-12 00:00:06 +00:00
52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/*
|
|
Copyright (C) 1993, 1996 Free Software Foundation, Inc.
|
|
|
|
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"
|
|
|
|
_IO_size_t
|
|
_IO_fwrite (buf, size, count, fp)
|
|
const void* buf;
|
|
_IO_size_t size;
|
|
_IO_size_t count;
|
|
_IO_FILE *fp;
|
|
{
|
|
_IO_size_t request = size*count;
|
|
_IO_size_t written;
|
|
CHECK_FILE (fp, 0);
|
|
if (request == 0)
|
|
return 0;
|
|
__libc_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
|
|
_IO_flockfile (fp);
|
|
written = _IO_sputn (fp, (const char *) buf, request);
|
|
__libc_cleanup_region_end (1);
|
|
/* Many traditional implementations return 0 if size==0 && count > 0,
|
|
but ANSI seems to require us to return count in this case. */
|
|
if (written == request)
|
|
return count;
|
|
else
|
|
return written/size;
|
|
}
|
|
|
|
weak_alias (_IO_fwrite, fwrite)
|