about summary refs log tree commit diff
path: root/sysdeps/posix/vdprintf.c
blob: 1cb05723b4e150eab8818763c4b4fe09e352d90b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
/* 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;
}
/* 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;
}