xref: /freebsd/sys/contrib/ncsw/inc/ctype_ext.h (revision 0957b409)
1 /* Copyright (c) 2008-2011 Freescale Semiconductor, Inc.
2  * All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are met:
6  *     * Redistributions of source code must retain the above copyright
7  *       notice, this list of conditions and the following disclaimer.
8  *     * Redistributions in binary form must reproduce the above copyright
9  *       notice, this list of conditions and the following disclaimer in the
10  *       documentation and/or other materials provided with the distribution.
11  *     * Neither the name of Freescale Semiconductor nor the
12  *       names of its contributors may be used to endorse or promote products
13  *       derived from this software without specific prior written permission.
14  *
15  *
16  * ALTERNATIVELY, this software may be distributed under the terms of the
17  * GNU General Public License ("GPL") as published by the Free Software
18  * Foundation, either version 2 of that License or (at your option) any
19  * later version.
20  *
21  * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef __CTYPE_EXT_H
34 #define __CTYPE_EXT_H
35 
36 
37 #if defined(NCSW_LINUX) && defined(__KERNEL__) || defined(NCSW_FREEBSD)
38 /*
39  * NOTE! This ctype does not handle EOF like the standard C
40  * library is required to.
41  */
42 
43 #define _U    0x01    /* upper */
44 #define _L    0x02    /* lower */
45 #define _D    0x04    /* digit */
46 #define _C    0x08    /* cntrl */
47 #define _P    0x10    /* punct */
48 #define _S    0x20    /* white space (space/lf/tab) */
49 #define _X    0x40    /* hex digit */
50 #define _SP   0x80    /* hard space (0x20) */
51 
52 extern unsigned char _ctype[];
53 
54 #define __ismask(x) (_ctype[(int)(unsigned char)(x)])
55 
56 #define isalnum(c)    ((__ismask(c)&(_U|_L|_D)) != 0)
57 #define isalpha(c)    ((__ismask(c)&(_U|_L)) != 0)
58 #define iscntrl(c)    ((__ismask(c)&(_C)) != 0)
59 #define isdigit(c)    ((__ismask(c)&(_D)) != 0)
60 #define isgraph(c)    ((__ismask(c)&(_P|_U|_L|_D)) != 0)
61 #define islower(c)    ((__ismask(c)&(_L)) != 0)
62 #define isprint(c)    ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
63 #define ispunct(c)    ((__ismask(c)&(_P)) != 0)
64 #define isspace(c)    ((__ismask(c)&(_S)) != 0)
65 #define isupper(c)    ((__ismask(c)&(_U)) != 0)
66 #define isxdigit(c)   ((__ismask(c)&(_D|_X)) != 0)
67 
68 #define isascii(c) (((unsigned char)(c))<=0x7f)
69 #define toascii(c) (((unsigned char)(c))&0x7f)
70 
71 static __inline__ unsigned char __tolower(unsigned char c)
72 {
73     if (isupper(c))
74         c -= 'A'-'a';
75     return c;
76 }
77 
78 static __inline__ unsigned char __toupper(unsigned char c)
79 {
80     if (islower(c))
81         c -= 'a'-'A';
82     return c;
83 }
84 
85 #define tolower(c) __tolower(c)
86 #define toupper(c) __toupper(c)
87 
88 #else
89 #include <ctype.h>
90 #endif /* defined(NCSW_LINUX) && defined(__KERNEL__) || defined(NCSW_FREEBSD) */
91 
92 
93 #endif /* __CTYPE_EXT_H */
94