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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [include/] [ctype.h] - Rev 262
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#ifndef _CTYPE_H_ #define _CTYPE_H_ #include "_ansi.h" _BEGIN_STD_C int _EXFUN(isalnum, (int __c)); int _EXFUN(isalpha, (int __c)); int _EXFUN(iscntrl, (int __c)); int _EXFUN(isdigit, (int __c)); int _EXFUN(isgraph, (int __c)); int _EXFUN(islower, (int __c)); int _EXFUN(isprint, (int __c)); int _EXFUN(ispunct, (int __c)); int _EXFUN(isspace, (int __c)); int _EXFUN(isupper, (int __c)); int _EXFUN(isxdigit,(int __c)); int _EXFUN(tolower, (int __c)); int _EXFUN(toupper, (int __c)); #if !defined(__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L int _EXFUN(isblank, (int __c)); #endif #ifndef __STRICT_ANSI__ int _EXFUN(isascii, (int __c)); int _EXFUN(toascii, (int __c)); #define _tolower(__c) ((unsigned char)(__c) - 'A' + 'a') #define _toupper(__c) ((unsigned char)(__c) - 'a' + 'A') #endif #define _U 01 #define _L 02 #define _N 04 #define _S 010 #define _P 020 #define _C 040 #define _X 0100 #define _B 0200 #ifndef _MB_CAPABLE _CONST #endif extern __IMPORT char *__ctype_ptr__; #ifndef __cplusplus /* These macros are intentionally written in a manner that will trigger a gcc -Wall warning if the user mistakenly passes a 'char' instead of an int containing an 'unsigned char'. Note that the sizeof will always be 1, which is what we want for mapping EOF to __ctype_ptr__[0]; the use of a raw index inside the sizeof triggers the gcc warning if __c was of type char, and sizeof masks side effects of the extra __c. Meanwhile, the real index to __ctype_ptr__+1 must be cast to int, since isalpha(0x100000001LL) must equal isalpha(1), rather than being an out-of-bounds reference on a 64-bit machine. */ #define __ctype_lookup(__c) ((__ctype_ptr__+sizeof(""[__c]))[(int)(__c)]) #define isalpha(__c) (__ctype_lookup(__c)&(_U|_L)) #define isupper(__c) ((__ctype_lookup(__c)&(_U|_L))==_U) #define islower(__c) ((__ctype_lookup(__c)&(_U|_L))==_L) #define isdigit(__c) (__ctype_lookup(__c)&_N) #define isxdigit(__c) (__ctype_lookup(__c)&(_X|_N)) #define isspace(__c) (__ctype_lookup(__c)&_S) #define ispunct(__c) (__ctype_lookup(__c)&_P) #define isalnum(__c) (__ctype_lookup(__c)&(_U|_L|_N)) #define isprint(__c) (__ctype_lookup(__c)&(_P|_U|_L|_N|_B)) #define isgraph(__c) (__ctype_lookup(__c)&(_P|_U|_L|_N)) #define iscntrl(__c) (__ctype_lookup(__c)&_C) #if defined(__GNUC__) && \ (!defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901L) #define isblank(__c) \ __extension__ ({ __typeof__ (__c) __x = (__c); \ (__ctype_lookup(__x)&_B) || (int) (__x) == '\t';}) #endif /* Non-gcc versions will get the library versions, and will be slightly slower. These macros are not NLS-aware so they are disabled if the system supports the extended character sets. */ # if defined(__GNUC__) # if !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS) # define toupper(__c) \ __extension__ ({ __typeof__ (__c) __x = (__c); \ islower (__x) ? (int) __x - 'a' + 'A' : (int) __x;}) # define tolower(__c) \ __extension__ ({ __typeof__ (__c) __x = (__c); \ isupper (__x) ? (int) __x - 'A' + 'a' : (int) __x;}) # else /* _MB_EXTENDED_CHARSETS* */ /* Allow a gcc warning if the user passed 'char', but defer to the function. */ # define toupper(__c) \ __extension__ ({ __typeof__ (__c) __x = (__c); \ (void) __ctype_ptr__[__x]; (toupper) (__x);}) # define tolower(__c) \ __extension__ ({ __typeof__ (__c) __x = (__c); \ (void) __ctype_ptr__[__x]; (tolower) (__x);}) # endif /* _MB_EXTENDED_CHARSETS* */ # endif /* __GNUC__ */ #endif /* !__cplusplus */ #ifndef __STRICT_ANSI__ #define isascii(__c) ((unsigned)(__c)<=0177) #define toascii(__c) ((__c)&0177) #endif /* For C++ backward-compatibility only. */ extern __IMPORT _CONST char _ctype_[]; _END_STD_C #endif /* _CTYPE_H_ */
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