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#pragma once
#ifdef __KERNEL__
#include "kernel.h"
#include "types.h"
#else
#include "stddef.h"
#include "sys/types.h"
#endif
/* the original implementation for the following functions
* was ported from the old Weenix on Xen architecture which
* used the mini-os functions */
/*
* NOTE! This ctype does not handle EOF like the standard C
* library is required to.
*/
#define _U 0x01 /* upper */
#define _L 0x02 /* lower */
#define _D 0x04 /* digit */
#define _C 0x08 /* cntrl */
#define _P 0x10 /* punct */
#define _S 0x20 /* white space (space/lf/tab) */
#define _X 0x40 /* hex digit */
#define _SP 0x80 /* hard space (0x20) */
static unsigned char
_ctype[] = {_C, _C, _C, _C, _C, _C,
_C, _C, /* 0-7 */
_C, _C | _S, _C | _S, _C | _S, _C | _S, _C | _S,
_C, _C, /* 8-15 */
_C, _C, _C, _C, _C, _C,
_C, _C, /* 16-23 */
_C, _C, _C, _C, _C, _C,
_C, _C, /* 24-31 */
_S | _SP, _P, _P, _P, _P, _P,
_P, _P, /* 32-39 */
_P, _P, _P, _P, _P, _P,
_P, _P, /* 40-47 */
_D, _D, _D, _D, _D, _D,
_D, _D, /* 48-55 */
_D, _D, _P, _P, _P, _P,
_P, _P, /* 56-63 */
_P, _U | _X, _U | _X, _U | _X, _U | _X, _U | _X,
_U | _X, _U, /* 64-71 */
_U, _U, _U, _U, _U, _U,
_U, _U, /* 72-79 */
_U, _U, _U, _U, _U, _U,
_U, _U, /* 80-87 */
_U, _U, _U, _P, _P, _P,
_P, _P, /* 88-95 */
_P, _L | _X, _L | _X, _L | _X, _L | _X, _L | _X,
_L | _X, _L, /* 96-103 */
_L, _L, _L, _L, _L, _L,
_L, _L, /* 104-111 */
_L, _L, _L, _L, _L, _L,
_L, _L, /* 112-119 */
_L, _L, _L, _P, _P, _P,
_P, _C, /* 120-127 */
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, /* 128-143 */
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0,
0, 0, 0, 0, /* 144-159 */
_S | _SP, _P, _P, _P, _P, _P,
_P, _P, _P, _P, _P, _P,
_P, _P, _P, _P, /* 160-175 */
_P, _P, _P, _P, _P, _P,
_P, _P, _P, _P, _P, _P,
_P, _P, _P, _P, /* 176-191 */
_U, _U, _U, _U, _U, _U,
_U, _U, _U, _U, _U, _U,
_U, _U, _U, _U, /* 192-207 */
_U, _U, _U, _U, _U, _U,
_U, _P, _U, _U, _U, _U,
_U, _U, _U, _L, /* 208-223 */
_L, _L, _L, _L, _L, _L,
_L, _L, _L, _L, _L, _L,
_L, _L, _L, _L, /* 224-239 */
_L, _L, _L, _L, _L, _L,
_L, _P, _L, _L, _L, _L,
_L, _L, _L, _L}; /* 240-255 */
#define __ismask(x) (_ctype[(int)(unsigned char)(x)])
#define isalnum(c) ((__ismask(c) & (_U | _L | _D)) != 0)
#define isalpha(c) ((__ismask(c) & (_U | _L)) != 0)
#define iscntrl(c) ((__ismask(c) & (_C)) != 0)
#define isdigit(c) ((__ismask(c) & (_D)) != 0)
#define isgraph(c) ((__ismask(c) & (_P | _U | _L | _D)) != 0)
#define islower(c) ((__ismask(c) & (_L)) != 0)
#define isprint(c) ((__ismask(c) & (_P | _U | _L | _D | _SP)) != 0)
#define ispunct(c) ((__ismask(c) & (_P)) != 0)
#define isspace(c) ((__ismask(c) & (_S)) != 0)
#define isupper(c) ((__ismask(c) & (_U)) != 0)
#define isxdigit(c) ((__ismask(c) & (_D | _X)) != 0)
#define isascii(c) (((unsigned char)(c)) <= 0x7f)
#define toascii(c) (((unsigned char)(c)) & 0x7f)
static inline unsigned char __tolower(unsigned char c)
{
if (isupper(c))
{
c -= 'A' - 'a';
}
return c;
}
static inline unsigned char __toupper(unsigned char c)
{
if (islower(c))
{
c -= 'a' - 'A';
}
return c;
}
#define tolower(c) __tolower(c)
#define toupper(c) __toupper(c)
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