projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| b15cbc0b WD |
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 | ||
| 543f0a38 | 18 | extern const unsigned char _ctype[]; |
| b15cbc0b WD |
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 | ||
| 93337abb JH |
34 | /* |
| 35 | * Rather than doubling the size of the _ctype lookup table to hold a 'blank' | |
| 36 | * flag, just check for space or tab. | |
| 37 | */ | |
| 38 | #define isblank(c) (c == ' ' || c == '\t') | |
| 39 | ||
| b15cbc0b WD |
40 | #define isascii(c) (((unsigned char)(c))<=0x7f) |
| 41 | #define toascii(c) (((unsigned char)(c))&0x7f) | |
| 42 | ||
| 43 | static inline unsigned char __tolower(unsigned char c) | |
| 44 | { | |
| 45 | if (isupper(c)) | |
| 46 | c -= 'A'-'a'; | |
| 47 | return c; | |
| 48 | } | |
| 49 | ||
| 50 | static inline unsigned char __toupper(unsigned char c) | |
| 51 | { | |
| 52 | if (islower(c)) | |
| 53 | c -= 'a'-'A'; | |
| 54 | return c; | |
| 55 | } | |
| 56 | ||
| 57 | #define tolower(c) __tolower(c) | |
| 58 | #define toupper(c) __toupper(c) | |
| 59 | ||
| 60 | #endif |