source: mainline/libc/include/io/printf_core.h@ b27a97bb

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since b27a97bb was 3214a20, checked in by Josef Cejka <malyzelenyhnus@…>, 19 years ago

Another version of printf function, now with support for sprintf, snprintf and v*printf functions.

  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 * Copyright (C) 2006 Josef Cejka
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __LIBC__PRINTF_CORE_H__
30#define __LIBC__PRINTF_CORE_H__
31
32#include <libarch/types.h>
33#include <stdarg.h>
34
35/** Structure for specifying output methods for different printf clones. */
36struct printf_spec {
37 /* Output function, returns count of printed characters or EOF */
38 int (*write)(void *, size_t, void *);
39 /* Support data - output stream specification, its state, locks,... */
40 void *data;
41
42};
43
44int printf_core(const char *fmt, struct printf_spec *ps ,va_list ap);
45
46#endif
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