Annotation of src/include/ctype.h, Revision 1.13
1.13 ! millert 1: /* $OpenBSD: ctype.h,v 1.12 2002/12/30 21:36:05 millert Exp $ */
1.1 deraadt 2: /* $NetBSD: ctype.h,v 1.14 1994/10/26 00:55:47 cgd Exp $ */
3:
4: /*
5: * Copyright (c) 1989 The Regents of the University of California.
6: * All rights reserved.
7: * (c) UNIX System Laboratories, Inc.
8: * All or some portions of this file are derived from material licensed
9: * to the University of California by American Telephone and Telegraph
10: * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11: * the permission of UNIX System Laboratories, Inc.
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.
1.13 ! millert 21: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: *
37: * @(#)ctype.h 5.3 (Berkeley) 4/3/91
38: */
39:
40: #ifndef _CTYPE_H_
41: #define _CTYPE_H_
42: #include <sys/cdefs.h>
43:
44: #define _U 0x01
45: #define _L 0x02
46: #define _N 0x04
47: #define _S 0x08
48: #define _P 0x10
49: #define _C 0x20
50: #define _X 0x40
51: #define _B 0x80
52:
53: extern const char *_ctype_;
54: extern const short *_tolower_tab_;
55: extern const short *_toupper_tab_;
56:
1.5 millert 57: #ifdef _ANSI_LIBRARY
1.1 deraadt 58: __BEGIN_DECLS
1.5 millert 59: int isalnum(int);
60: int isalpha(int);
61: int iscntrl(int);
62: int isdigit(int);
63: int isgraph(int);
64: int islower(int);
65: int isprint(int);
66: int ispunct(int);
67: int isspace(int);
68: int isupper(int);
69: int isxdigit(int);
70: int tolower(int);
71: int toupper(int);
1.1 deraadt 72:
73: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
1.5 millert 74: int isblank(int);
75: int isascii(int);
76: int toascii(int);
77: int _tolower(int);
78: int _toupper(int);
1.1 deraadt 79: #endif
80: __END_DECLS
81:
1.5 millert 82: #else /* !_ANSI_LIBRARY */
83:
84: static __inline int isalnum(int c)
85: {
1.12 millert 86: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_U|_L|_N)));
1.5 millert 87: }
88:
89: static __inline int isalpha(int c)
90: {
1.12 millert 91: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_U|_L)));
1.5 millert 92: }
93:
94: static __inline int iscntrl(int c)
95: {
1.12 millert 96: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _C));
1.5 millert 97: }
98:
99: static __inline int isdigit(int c)
100: {
1.12 millert 101: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _N));
1.5 millert 102: }
103:
104: static __inline int isgraph(int c)
105: {
1.12 millert 106: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_P|_U|_L|_N)));
1.5 millert 107: }
108:
109: static __inline int islower(int c)
110: {
1.12 millert 111: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _L));
1.5 millert 112: }
113:
114: static __inline int isprint(int c)
115: {
1.12 millert 116: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_P|_U|_L|_N|_B)));
1.5 millert 117: }
118:
119: static __inline int ispunct(int c)
120: {
1.12 millert 121: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _P));
1.5 millert 122: }
123:
124: static __inline int isspace(int c)
125: {
1.12 millert 126: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _S));
1.5 millert 127: }
128:
129: static __inline int isupper(int c)
130: {
1.12 millert 131: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _U));
1.5 millert 132: }
133:
134: static __inline int isxdigit(int c)
135: {
1.12 millert 136: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_N|_X)));
1.5 millert 137: }
138:
139: static __inline int tolower(int c)
140: {
1.7 millert 141: if ((unsigned int)c > 0177)
1.5 millert 142: return (c);
143: return ((_tolower_tab_ + 1)[c]);
144: }
145:
146: static __inline int toupper(int c)
147: {
1.7 millert 148: if ((unsigned int)c > 0177)
1.5 millert 149: return (c);
150: return ((_toupper_tab_ + 1)[c]);
151: }
1.1 deraadt 152:
153: #if !defined(_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
1.5 millert 154: static __inline int isblank(int c)
155: {
156: return (c == ' ' || c == '\t');
157: }
158:
159: static __inline int isascii(int c)
160: {
1.7 millert 161: return ((unsigned int)c <= 0177);
1.5 millert 162: }
163:
164: static __inline int toascii(int c)
165: {
166: return (c & 0177);
167: }
168:
169: static __inline int _tolower(int c)
170: {
171: return (c - 'A' + 'a');
172: }
173:
174: static __inline int _toupper(int c)
175: {
176: return (c - 'a' + 'A');
177: }
1.1 deraadt 178: #endif
1.5 millert 179:
180: #endif /* !_ANSI_LIBRARY */
1.1 deraadt 181:
182: #endif /* !_CTYPE_H_ */
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