1/*	$NetBSD: stdio.h,v 1.1.1.1 2009/12/13 16:54:31 kardel Exp $	*/
2
3/*
4 * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 2000, 2001  Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20/* Id: stdio.h,v 1.13 2007/06/19 23:47:18 tbox Exp */
21
22#ifndef ISC_STDIO_H
23#define ISC_STDIO_H 1
24
25/*! \file isc/stdio.h */
26
27/*%
28 * These functions are wrappers around the corresponding stdio functions.
29 *
30 * They return a detailed error code in the form of an an isc_result_t.  ANSI C
31 * does not guarantee that stdio functions set errno, hence these functions
32 * must use platform dependent methods (e.g., the POSIX errno) to construct the
33 * error code.
34 */
35
36#include <stdio.h>
37
38#include <isc/lang.h>
39#include <isc/result.h>
40
41ISC_LANG_BEGINDECLS
42
43/*% Open */
44isc_result_t
45isc_stdio_open(const char *filename, const char *mode, FILE **fp);
46
47/*% Close */
48isc_result_t
49isc_stdio_close(FILE *f);
50
51/*% Seek */
52isc_result_t
53isc_stdio_seek(FILE *f, long offset, int whence);
54
55/*% Read */
56isc_result_t
57isc_stdio_read(void *ptr, size_t size, size_t nmemb, FILE *f,
58	       size_t *nret);
59
60/*% Write */
61isc_result_t
62isc_stdio_write(const void *ptr, size_t size, size_t nmemb, FILE *f,
63		size_t *nret);
64
65/*% Flush */
66isc_result_t
67isc_stdio_flush(FILE *f);
68
69isc_result_t
70isc_stdio_sync(FILE *f);
71/*%<
72 * Invoke fsync() on the file descriptor underlying an stdio stream, or an
73 * equivalent system-dependent operation.  Note that this function has no
74 * direct counterpart in the stdio library.
75 */
76
77ISC_LANG_ENDDECLS
78
79#endif /* ISC_STDIO_H */
80