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/* Copyright 2005, 2007 Shaun Jackman
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
/*
FUNCTION
<<dprintf>>, <<vdprintf>>---print to a file descriptor
INDEX
dprintf
INDEX
_dprintf_r
INDEX
vdprintf
INDEX
_vdprintf_r
SYNOPSIS
#include <stdio.h>
#include <stdarg.h>
int dprintf(int <[fd]>, const char *restrict <[format]>, ...);
int vdprintf(int <[fd]>, const char *restrict <[format]>,
va_list <[ap]>);
int _dprintf_r(struct _reent *<[ptr]>, int <[fd]>,
const char *restrict <[format]>, ...);
int _vdprintf_r(struct _reent *<[ptr]>, int <[fd]>,
const char *restrict <[format]>, va_list <[ap]>);
DESCRIPTION
<<dprintf>> and <<vdprintf>> allow printing a format, similarly to
<<printf>>, but write to a file descriptor instead of to a <<FILE>>
stream.
The functions <<_dprintf_r>> and <<_vdprintf_r>> are simply
reentrant versions of the functions above.
RETURNS
The return value and errors are exactly as for <<write>>, except that
<<errno>> may also be set to <<ENOMEM>> if the heap is exhausted.
PORTABILITY
This function is originally a GNU extension in glibc and is not portable.
Supporting OS subroutines required: <<sbrk>>, <<write>>.
*/
#include <_ansi.h>
#include <reent.h>
#include <stdio.h>
#include <unistd.h>
#include <stdarg.h>
#include "local.h"
int
_dprintf_r (struct _reent *ptr,
int fd,
const char *__restrict format, ...)
{
va_list ap;
int n;
_REENT_SMALL_CHECK_INIT (ptr);
va_start (ap, format);
n = _vdprintf_r (ptr, fd, format, ap);
va_end (ap);
return n;
}
#ifdef _NANO_FORMATTED_IO
int
_diprintf_r (struct _reent *, int, const char *, ...)
_ATTRIBUTE ((__alias__("_dprintf_r")));
#endif
#ifndef _REENT_ONLY
int
dprintf (int fd,
const char *__restrict format, ...)
{
va_list ap;
int n;
struct _reent *ptr = _REENT;
_REENT_SMALL_CHECK_INIT (ptr);
va_start (ap, format);
n = _vdprintf_r (ptr, fd, format, ap);
va_end (ap);
return n;
}
#ifdef _NANO_FORMATTED_IO
int
diprintf (int, const char *, ...)
_ATTRIBUTE ((__alias__("dprintf")));
#endif
#endif /* ! _REENT_ONLY */
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