Subversion Repositories shark

Rev

Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
422 giacomo 1
#ifndef _LINUX_CTYPE_H
2
#define _LINUX_CTYPE_H
3
 
4
/*
5
 * NOTE! This ctype does not handle EOF like the standard C
6
 * library is required to.
7
 */
8
 
9
#define _U      0x01    /* upper */
10
#define _L      0x02    /* lower */
11
#define _D      0x04    /* digit */
12
#define _C      0x08    /* cntrl */
13
#define _P      0x10    /* punct */
14
#define _S      0x20    /* white space (space/lf/tab) */
15
#define _X      0x40    /* hex digit */
16
#define _SP     0x80    /* hard space (0x20) */
17
 
18
extern unsigned char _ctype[];
19
 
20
#define __ismask(x) (_ctype[(int)(unsigned char)(x)])
21
 
22
#define isalnum(c)      ((__ismask(c)&(_U|_L|_D)) != 0)
23
#define isalpha(c)      ((__ismask(c)&(_U|_L)) != 0)
24
#define iscntrl(c)      ((__ismask(c)&(_C)) != 0)
25
#define isdigit(c)      ((__ismask(c)&(_D)) != 0)
26
#define isgraph(c)      ((__ismask(c)&(_P|_U|_L|_D)) != 0)
27
#define islower(c)      ((__ismask(c)&(_L)) != 0)
28
#define isprint(c)      ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
29
#define ispunct(c)      ((__ismask(c)&(_P)) != 0)
30
#define isspace(c)      ((__ismask(c)&(_S)) != 0)
31
#define isupper(c)      ((__ismask(c)&(_U)) != 0)
32
#define isxdigit(c)     ((__ismask(c)&(_D|_X)) != 0)
33
 
34
#define isascii(c) (((unsigned char)(c))<=0x7f)
35
#define toascii(c) (((unsigned char)(c))&0x7f)
36
 
37
static inline unsigned char __tolower(unsigned char c)
38
{
39
        if (isupper(c))
40
                c -= 'A'-'a';
41
        return c;
42
}
43
 
44
static inline unsigned char __toupper(unsigned char c)
45
{
46
        if (islower(c))
47
                c -= 'a'-'A';
48
        return c;
49
}
50
 
51
#define tolower(c) __tolower(c)
52
#define toupper(c) __toupper(c)
53
 
54
#endif