Annotation of src/include/ctype.h, Revision 1.12
1.12 ! millert 1: /* $OpenBSD: ctype.h,v 1.11 2002/12/29 03:02:35 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.
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 5.3 (Berkeley) 4/3/91
42: */
43:
44: #ifndef _CTYPE_H_
45: #define _CTYPE_H_
46: #include <sys/cdefs.h>
47:
48: #define _U 0x01
49: #define _L 0x02
50: #define _N 0x04
51: #define _S 0x08
52: #define _P 0x10
53: #define _C 0x20
54: #define _X 0x40
55: #define _B 0x80
56:
57: extern const char *_ctype_;
58: extern const short *_tolower_tab_;
59: extern const short *_toupper_tab_;
60:
1.5 millert 61: #ifdef _ANSI_LIBRARY
1.1 deraadt 62: __BEGIN_DECLS
1.5 millert 63: int isalnum(int);
64: int isalpha(int);
65: int iscntrl(int);
66: int isdigit(int);
67: int isgraph(int);
68: int islower(int);
69: int isprint(int);
70: int ispunct(int);
71: int isspace(int);
72: int isupper(int);
73: int isxdigit(int);
74: int tolower(int);
75: int toupper(int);
1.1 deraadt 76:
77: #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
1.5 millert 78: int isblank(int);
79: int isascii(int);
80: int toascii(int);
81: int _tolower(int);
82: int _toupper(int);
1.1 deraadt 83: #endif
84: __END_DECLS
85:
1.5 millert 86: #else /* !_ANSI_LIBRARY */
87:
88: static __inline int isalnum(int c)
89: {
1.12 ! millert 90: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_U|_L|_N)));
1.5 millert 91: }
92:
93: static __inline int isalpha(int c)
94: {
1.12 ! millert 95: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_U|_L)));
1.5 millert 96: }
97:
98: static __inline int iscntrl(int c)
99: {
1.12 ! millert 100: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _C));
1.5 millert 101: }
102:
103: static __inline int isdigit(int c)
104: {
1.12 ! millert 105: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _N));
1.5 millert 106: }
107:
108: static __inline int isgraph(int c)
109: {
1.12 ! millert 110: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_P|_U|_L|_N)));
1.5 millert 111: }
112:
113: static __inline int islower(int c)
114: {
1.12 ! millert 115: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _L));
1.5 millert 116: }
117:
118: static __inline int isprint(int c)
119: {
1.12 ! millert 120: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_P|_U|_L|_N|_B)));
1.5 millert 121: }
122:
123: static __inline int ispunct(int c)
124: {
1.12 ! millert 125: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _P));
1.5 millert 126: }
127:
128: static __inline int isspace(int c)
129: {
1.12 ! millert 130: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _S));
1.5 millert 131: }
132:
133: static __inline int isupper(int c)
134: {
1.12 ! millert 135: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & _U));
1.5 millert 136: }
137:
138: static __inline int isxdigit(int c)
139: {
1.12 ! millert 140: return (c == -1 ? 0 : ((_ctype_ + 1)[(unsigned char)(c & 0xff)] & (_N|_X)));
1.5 millert 141: }
142:
143: static __inline int tolower(int c)
144: {
1.7 millert 145: if ((unsigned int)c > 0177)
1.5 millert 146: return (c);
147: return ((_tolower_tab_ + 1)[c]);
148: }
149:
150: static __inline int toupper(int c)
151: {
1.7 millert 152: if ((unsigned int)c > 0177)
1.5 millert 153: return (c);
154: return ((_toupper_tab_ + 1)[c]);
155: }
1.1 deraadt 156:
157: #if !defined(_ANSI_SOURCE) && !defined (_POSIX_SOURCE)
1.5 millert 158: static __inline int isblank(int c)
159: {
160: return (c == ' ' || c == '\t');
161: }
162:
163: static __inline int isascii(int c)
164: {
1.7 millert 165: return ((unsigned int)c <= 0177);
1.5 millert 166: }
167:
168: static __inline int toascii(int c)
169: {
170: return (c & 0177);
171: }
172:
173: static __inline int _tolower(int c)
174: {
175: return (c - 'A' + 'a');
176: }
177:
178: static __inline int _toupper(int c)
179: {
180: return (c - 'a' + 'A');
181: }
1.1 deraadt 182: #endif
1.5 millert 183:
184: #endif /* !_ANSI_LIBRARY */
1.1 deraadt 185:
186: #endif /* !_CTYPE_H_ */
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