source: mainline/kernel/generic/include/string.h@ 2398ee9

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 2398ee9 was b888d5f, checked in by Martin Decky <martin@…>, 16 years ago

cleanup and extend string functions according to agreed conventions

  • Property mode set to 100644
File size: 2.8 KB
Line 
1/*
2 * Copyright (c) 2001-2004 Jakub Jermar
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/** @addtogroup generic
30 * @{
31 */
32/** @file
33 */
34
35#ifndef KERN_STRING_H_
36#define KERN_STRING_H_
37
38#include <typedefs.h>
39
40#define STR_NO_LIMIT ((size_t) -1)
41
42/**< Maximum size of a string containing cnt characters */
43#define STR_BOUNDS(cnt) (cnt << 2)
44
45extern char invalch;
46
47extern wchar_t str_decode(const char *str, size_t *offset, size_t sz);
48extern int chr_encode(const wchar_t ch, char *str, size_t *offset, size_t sz);
49
50extern size_t str_size(const char *str);
51extern size_t wstr_size(const wchar_t *str);
52
53extern size_t str_lsize(const char *str, count_t max_len);
54extern size_t wstr_lsize(const wchar_t *str, count_t max_len);
55
56extern count_t str_length(const char *str);
57extern count_t wstr_length(const wchar_t *wstr);
58
59extern count_t str_nlength(const char *str, size_t size);
60extern count_t wstr_nlength(const wchar_t *str, size_t size);
61
62extern bool ascii_check(const wchar_t ch);
63extern bool chr_check(const wchar_t ch);
64
65extern int str_cmp(const char *s1, const char *s2);
66extern int str_lcmp(const char *s1, const char *s2, count_t max_len);
67
68extern void str_ncpy(char *dst, const char *src, size_t size);
69extern void wstr_nstr(char *dst, const wchar_t *src, size_t size);
70
71extern const char *str_chr(const char *str, wchar_t ch);
72
73extern bool wstr_linsert(wchar_t *str, wchar_t ch, count_t pos, count_t max_pos);
74extern bool wstr_remove(wchar_t *str, count_t pos);
75
76#endif
77
78/** @}
79 */
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