Initial import from FreeBSD RELENG_4:
[dragonfly.git] / include / ctype.h
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1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * Paul Borman at Krystal Technologies.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the University of
24 * California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 * @(#)ctype.h 8.4 (Berkeley) 1/21/94
42 * $FreeBSD: src/include/ctype.h,v 1.16 2000/02/08 07:43:23 obrien Exp $
43 */
44
45#ifndef _CTYPE_H_
46#define _CTYPE_H_
47
48/*
49 * XXX <runetype.h> brings massive namespace pollution (rune_t and struct
50 * member names).
51 */
52#include <runetype.h>
53
54#define _CTYPE_A 0x00000100L /* Alpha */
55#define _CTYPE_C 0x00000200L /* Control */
56#define _CTYPE_D 0x00000400L /* Digit */
57#define _CTYPE_G 0x00000800L /* Graph */
58#define _CTYPE_L 0x00001000L /* Lower */
59#define _CTYPE_P 0x00002000L /* Punct */
60#define _CTYPE_S 0x00004000L /* Space */
61#define _CTYPE_U 0x00008000L /* Upper */
62#define _CTYPE_X 0x00010000L /* X digit */
63#define _CTYPE_B 0x00020000L /* Blank */
64#define _CTYPE_R 0x00040000L /* Print */
65#define _CTYPE_I 0x00080000L /* Ideogram */
66#define _CTYPE_T 0x00100000L /* Special */
67#define _CTYPE_Q 0x00200000L /* Phonogram */
68
69__BEGIN_DECLS
70int isalnum __P((int));
71int isalpha __P((int));
72int iscntrl __P((int));
73int isdigit __P((int));
74int isgraph __P((int));
75int islower __P((int));
76int isprint __P((int));
77int ispunct __P((int));
78int isspace __P((int));
79int isupper __P((int));
80int isxdigit __P((int));
81int tolower __P((int));
82int toupper __P((int));
83
84#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
85int digittoint __P((int));
86int isascii __P((int));
87int isblank __P((int));
88int ishexnumber __P((int));
89int isideogram __P((int));
90int isnumber __P((int));
91int isphonogram __P((int));
92int isrune __P((int));
93int isspecial __P((int));
94int toascii __P((int));
95#endif
96__END_DECLS
97
98#define __istype(c,f) (!!__maskrune((c),(f)))
99
100#define isalnum(c) __istype((c), _CTYPE_A|_CTYPE_D)
101#define isalpha(c) __istype((c), _CTYPE_A)
102#define iscntrl(c) __istype((c), _CTYPE_C)
103#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */
104#define isgraph(c) __istype((c), _CTYPE_G)
105#define islower(c) __istype((c), _CTYPE_L)
106#define isprint(c) __istype((c), _CTYPE_R)
107#define ispunct(c) __istype((c), _CTYPE_P)
108#define isspace(c) __istype((c), _CTYPE_S)
109#define isupper(c) __istype((c), _CTYPE_U)
110#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */
111#define tolower(c) __tolower(c)
112#define toupper(c) __toupper(c)
113
114#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
115#define digittoint(c) __maskrune((c), 0xFF)
116#define isascii(c) (((c) & ~0x7F) == 0)
117#define isblank(c) __istype((c), _CTYPE_B)
118#define ishexnumber(c) __istype((c), _CTYPE_X)
119#define isideogram(c) __istype((c), _CTYPE_I)
120#define isnumber(c) __istype((c), _CTYPE_D)
121#define isphonogram(c) __istype((c), _CTYPE_Q)
122#define isrune(c) __istype((c), 0xFFFFFF00L)
123#define isspecial(c) __istype((c), _CTYPE_T)
124#define toascii(c) ((c) & 0x7F)
125#endif
126
127/* See comments in <machine/ansi.h> about _BSD_CT_RUNE_T_. */
128__BEGIN_DECLS
129unsigned long ___runetype __P((_BSD_CT_RUNE_T_));
130_BSD_CT_RUNE_T_ ___tolower __P((_BSD_CT_RUNE_T_));
131_BSD_CT_RUNE_T_ ___toupper __P((_BSD_CT_RUNE_T_));
132__END_DECLS
133
134/*
135 * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us
136 * to generate code for extern versions of all our inline functions.
137 */
138#ifdef _EXTERNALIZE_CTYPE_INLINES_
139#define _USE_CTYPE_INLINE_
140#define static
141#define __inline
142#endif
143
144/*
145 * Use inline functions if we are allowed to and the compiler supports them.
146 */
147#if !defined(_DONT_USE_CTYPE_INLINE_) && \
148 (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus))
149static __inline int
150__maskrune(_BSD_CT_RUNE_T_ _c, unsigned long _f)
151{
152 return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) :
153 _CurrentRuneLocale->runetype[_c]) & _f;
154}
155
156static __inline int
157__isctype(_BSD_CT_RUNE_T_ _c, unsigned long _f)
158{
159 return (_c < 0 || _c >= _CACHED_RUNES) ? 0 :
160 !!(_DefaultRuneLocale.runetype[_c] & _f);
161}
162
163static __inline _BSD_CT_RUNE_T_
164__toupper(_BSD_CT_RUNE_T_ _c)
165{
166 return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) :
167 _CurrentRuneLocale->mapupper[_c];
168}
169
170static __inline _BSD_CT_RUNE_T_
171__tolower(_BSD_CT_RUNE_T_ _c)
172{
173 return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) :
174 _CurrentRuneLocale->maplower[_c];
175}
176
177#else /* not using inlines */
178
179__BEGIN_DECLS
180int __maskrune __P((_BSD_CT_RUNE_T_, unsigned long));
181int __isctype __P((_BSD_CT_RUNE_T_, unsigned long));
182_BSD_CT_RUNE_T_ __toupper __P((_BSD_CT_RUNE_T_));
183_BSD_CT_RUNE_T_ __tolower __P((_BSD_CT_RUNE_T_));
184__END_DECLS
185#endif /* using inlines */
186
187#endif /* !_CTYPE_H_ */