glibc/sysdeps/posix/vdprintf.c
Thomas Bushnell, BSG b51c27c032 Fri Jan 17 14:16:28 1997 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* stdio/vdprintf.c: Moved file to ...
	* sysdeps/posix/vdprintf.c: Here.  De-ansideclificate.
	* sysdeps/stub/vdprintf.c: New file.
	* sysdeps/mach/hurd/vdprintf.c: New file.
1997-01-17 19:29:07 +00:00

50 lines
1.6 KiB
C

/* Copyright (C) 1991, 1992, 1993, 1997 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
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <errno.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
/* Write formatted output to file descriptor D according to the format string
FORMAT, using the argument list in ARG. */
int
vdprintf (int d, const char *format, va_list arg)
{
int done;
FILE f;
/* Create an unbuffered stream talking to D on the stack. */
memset ((PTR) &f, 0, sizeof(f));
f.__magic = _IOMAGIC;
f.__mode.__write = 1;
f.__cookie = (PTR) (long int) d; /* Casting to long quiets GCC on Alpha. */
f.__room_funcs = __default_room_functions;
f.__io_funcs = __default_io_functions;
f.__seen = 1;
f.__userbuf = 1;
/* vfprintf will use a buffer on the stack for the life of the call,
and flush it when finished. */
done = vfprintf (&f, format, arg);
return done;
}