VirtualBox

source: vbox/trunk/include/iprt/ctype.h@ 7853

Last change on this file since 7853 was 7853, checked in by vboxsync, 17 years ago

RT_C_IS_ODIGIT

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  • Property svn:keywords set to Author Date Id Revision
File size: 2.7 KB
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1/** @file
2 * innotek Portable Runtime - ctype.h wrapper and C locale variants.
3 */
4
5/*
6 * Copyright (C) 2006-2007 innotek GmbH
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef ___iprt_ctype_h
27#define ___iprt_ctype_h
28
29#ifdef IN_RING3
30# include <ctype.h>
31
32# if defined(_MSC_VER) && !defined(isblank)
33/* isblank for MSC */
34# define isblank(ch) ( (ch) == ' ' || (ch) == '\t' )
35# endif
36#endif /* IN_RING3 */
37
38/** @name C locale macros.
39 *
40 * @remarks The macros may reference the character more than once.
41 * @remarks Assumes a charset similar to ASCII.
42 * @remarks Can probably be optimized if someone has time.
43 * @{ */
44#define RT_C_IS_BLANK(ch) ( (ch) == ' ' || (ch) == '\t' )
45#define RT_C_IS_ALNUM(ch) ( RT_C_IS_DIGIT(ch) || RT_C_IS_ALPHA(ch) )
46#define RT_C_IS_ALPHA(ch) ( RT_C_IS_LOWER(ch) || RT_C_IS_UPPER(ch) )
47#define RT_C_IS_CNTRL(ch) ( (ch) >= 0 && (ch) < 32 )
48#define RT_C_IS_DIGIT(ch) ( (ch) >= '0' && (ch) <= '9' )
49#define RT_C_IS_LOWER(ch) ( (ch) >= 'a' && (ch) <= 'z' )
50#define RT_C_IS_GRAPH(ch) ( RT_C_IS_PRINT(ch) && !RT_C_IS_BLANK(ch) )
51#define RT_C_IS_ODIGIT(ch) ( (ch) >= '0' && (ch) <= '7' )
52#define RT_C_IS_PRINT(ch) ( (ch) >= 32 && (ch) < 127 ) /**< @todo possibly incorrect */
53#define RT_C_IS_PUNCT(ch) ( (ch) == ',' || (ch) == '.' || (ch) == ':' || (ch) == ';' || (ch) == '!' || (ch) == '?' ) /**< @todo possibly incorrect */
54#define RT_C_IS_SPACE(ch) ( (ch) == ' ' || (ch) == '\t' || (ch) == '\n' || (ch) == '\r' || (ch) == '\f' || (ch) == '\v' )
55#define RT_C_IS_UPPER(ch) ( (ch) >= 'A' && (ch) <= 'Z' )
56#define RT_C_IS_XDIGIT(ch) ( RT_C_IS_DIGIT(ch) || ((ch) >= 'a' && (ch) <= 'f') || ((ch) >= 'A' && (ch) <= 'F') )
57
58#define RT_C_TO_LOWER(ch) ( RT_C_IS_UPPER(ch) ? (ch) + ('a' - 'A') : (ch) )
59#define RT_C_TO_UPPER(ch) ( RT_C_IS_LOWER(ch) ? (ch) - ('a' - 'A') : (ch) )
60/** @} */
61
62#endif
63
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