ctype.h

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#ifndef __SIMPLE_LIBC_CTYPE_H__
#define __SIMPLE_LIBC_CTYPE_H__
 
#include "shell/sys/linux/vsf_linux_cfg.h"
 
#if VSF_LINUX_CFG_RELATIVE_PATH == ENABLED
#else
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define CTYPE_U             0x01        // upper
#define CTYPE_L             0x02        // lower
#define CTYPE_N             0x04        // numeric
#define CTYPE_S             0x08        // white space(space/lf/tab)
#define CTYPE_P             0x10        // punct
#define CTYPE_C             0x20        // control
#define CTYPE_X             0x40        // hex
#define CTYPE_B             0x80        // space
#define CTYPE_SP            (CTYPE_S | CTYPE_P)
 
#if VSF_LINUX_APPLET_USE_LIBC_CTYPE == ENABLED
typedef struct vsf_linux_libc_ctype_vplt_t {
    vsf_vplt_info_t info;
 
    VSF_APPLET_VPLT_ENTRY_FUNC_DEF(__vsf_linux_ctype);
} vsf_linux_libc_ctype_vplt_t;
#   ifndef __VSF_APPLET__
extern __VSF_VPLT_DECORATOR__ vsf_linux_libc_ctype_vplt_t vsf_linux_libc_ctype_vplt;
#   endif
#endif
 
extern const char __vsf_linux_ctype[1 + 256];
#define __ismask(__x)       (__vsf_linux_ctype[(int)(unsigned char)(__x) + 1])
 
static inline int isalnum(int c)
{
    return ((__ismask(c) & (CTYPE_U|CTYPE_L|CTYPE_N)) != 0);
}
 
static inline int isalpha(int c)
{
    return ((__ismask(c) & (CTYPE_U|CTYPE_L)) != 0);
}
static inline int iscntrl(int c)
{
    return ((__ismask(c) & (CTYPE_C)) != 0);
}
static inline int isdigit(int c)
{
    return ((__ismask(c) & (CTYPE_N)) != 0);
}
static inline int isgraph(int c)
{
    return ((__ismask(c) & (CTYPE_P|CTYPE_U|CTYPE_L|CTYPE_N)) != 0);
}
static inline int islower(int c)
{
    return ((__ismask(c) & (CTYPE_L)) != 0);
}
static inline int isprint(int c)
{
    return ((__ismask(c) & (CTYPE_P|CTYPE_U|CTYPE_L|CTYPE_N|CTYPE_SP)) != 0);
}
static inline int ispunct(int c)
{
    return ((__ismask(c) & (CTYPE_P)) != 0);
}
static inline int isspace(int c)
{
    return ((__ismask(c) & (CTYPE_S)) != 0);
}
static inline int isupper(int c)
{
    return ((__ismask(c) & (CTYPE_U)) != 0);
}
static inline int isxdigit(int c)
{
    return ((__ismask(c) & (CTYPE_N|CTYPE_X)) != 0);
}
static inline int isblank(int c)
{
    return ((__ismask(c) & (CTYPE_B)) != 0);
}
 
static inline int isascii(int c)
{
    return (((unsigned char)(c))<=0x7f);
}
static inline int toascii(int c)
{
    return (((unsigned char)(c))&0x7f);
}
 
static inline int tolower(int c)
{
    if (isupper(c)) {
        c -= 'A'-'a';
    }
    return c;
}
 
static inline int toupper(int c)
{
    if (islower(c)) {
        c -= 'a'-'A';
    }
    return c;
}
 
#ifdef __WIN__
#define _CONTROL            CTYPE_C
#define _SPACE              CTYPE_S
#define _DIGIT              CTYPE_N
#define _LOWER              CTYPE_L
#define _PUNCT              CTYPE_P
#define _BLANK              CTYPE_B
#define _UPPER              CTYPE_U
#define _HEX                CTYPE_X
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif