1b15cbc0bSwdenk #ifndef _LINUX_CTYPE_H 2b15cbc0bSwdenk #define _LINUX_CTYPE_H 3b15cbc0bSwdenk 4b15cbc0bSwdenk /* 5b15cbc0bSwdenk * NOTE! This ctype does not handle EOF like the standard C 6b15cbc0bSwdenk * library is required to. 7b15cbc0bSwdenk */ 8b15cbc0bSwdenk 9b15cbc0bSwdenk #define _U 0x01 /* upper */ 10b15cbc0bSwdenk #define _L 0x02 /* lower */ 11b15cbc0bSwdenk #define _D 0x04 /* digit */ 12b15cbc0bSwdenk #define _C 0x08 /* cntrl */ 13b15cbc0bSwdenk #define _P 0x10 /* punct */ 14b15cbc0bSwdenk #define _S 0x20 /* white space (space/lf/tab) */ 15b15cbc0bSwdenk #define _X 0x40 /* hex digit */ 16b15cbc0bSwdenk #define _SP 0x80 /* hard space (0x20) */ 17b15cbc0bSwdenk 18543f0a38SMike Frysinger extern const unsigned char _ctype[]; 19b15cbc0bSwdenk 20b15cbc0bSwdenk #define __ismask(x) (_ctype[(int)(unsigned char)(x)]) 21b15cbc0bSwdenk 22b15cbc0bSwdenk #define isalnum(c) ((__ismask(c)&(_U|_L|_D)) != 0) 23b15cbc0bSwdenk #define isalpha(c) ((__ismask(c)&(_U|_L)) != 0) 24b15cbc0bSwdenk #define iscntrl(c) ((__ismask(c)&(_C)) != 0) 25b15cbc0bSwdenk #define isdigit(c) ((__ismask(c)&(_D)) != 0) 26b15cbc0bSwdenk #define isgraph(c) ((__ismask(c)&(_P|_U|_L|_D)) != 0) 27b15cbc0bSwdenk #define islower(c) ((__ismask(c)&(_L)) != 0) 28b15cbc0bSwdenk #define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0) 29b15cbc0bSwdenk #define ispunct(c) ((__ismask(c)&(_P)) != 0) 30b15cbc0bSwdenk #define isspace(c) ((__ismask(c)&(_S)) != 0) 31b15cbc0bSwdenk #define isupper(c) ((__ismask(c)&(_U)) != 0) 32b15cbc0bSwdenk #define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0) 33b15cbc0bSwdenk 34*93337abbSJason Hobbs /* 35*93337abbSJason Hobbs * Rather than doubling the size of the _ctype lookup table to hold a 'blank' 36*93337abbSJason Hobbs * flag, just check for space or tab. 37*93337abbSJason Hobbs */ 38*93337abbSJason Hobbs #define isblank(c) (c == ' ' || c == '\t') 39*93337abbSJason Hobbs 40b15cbc0bSwdenk #define isascii(c) (((unsigned char)(c))<=0x7f) 41b15cbc0bSwdenk #define toascii(c) (((unsigned char)(c))&0x7f) 42b15cbc0bSwdenk __tolower(unsigned char c)43b15cbc0bSwdenkstatic inline unsigned char __tolower(unsigned char c) 44b15cbc0bSwdenk { 45b15cbc0bSwdenk if (isupper(c)) 46b15cbc0bSwdenk c -= 'A'-'a'; 47b15cbc0bSwdenk return c; 48b15cbc0bSwdenk } 49b15cbc0bSwdenk __toupper(unsigned char c)50b15cbc0bSwdenkstatic inline unsigned char __toupper(unsigned char c) 51b15cbc0bSwdenk { 52b15cbc0bSwdenk if (islower(c)) 53b15cbc0bSwdenk c -= 'a'-'A'; 54b15cbc0bSwdenk return c; 55b15cbc0bSwdenk } 56b15cbc0bSwdenk 57b15cbc0bSwdenk #define tolower(c) __tolower(c) 58b15cbc0bSwdenk #define toupper(c) __toupper(c) 59b15cbc0bSwdenk 60b15cbc0bSwdenk #endif 61