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    Contents of /trunk/mkinitrd-magellan/klibc/usr/include/ctype.h

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    Revision 815 - (show annotations) (download)
    Fri Apr 24 18:32:46 2009 UTC (15 years ago) by niro
    File MIME type: text/plain
    File size: 3183 byte(s) 
    -updated to klibc-1.5.15
    1 /*
    2 * ctype.h
    3 *
    4 * This assumes ISO 8859-1, being a reasonable superset of ASCII.
    5 */
    6
    7 #ifndef _CTYPE_H
    8 #define _CTYPE_H
    9
    10 #include <klibc/extern.h>
    11 #include <klibc/compiler.h>
    12
    13 /*
    14 * This relies on the following definitions:
    15 *
    16 * cntrl = !print
    17 * alpha = upper|lower
    18 * graph = punct|alpha|digit
    19 * blank = '\t' || ' ' (per POSIX requirement)
    20 */
    21 enum {
    22 __ctype_upper = (1 << 0),
    23 __ctype_lower = (1 << 1),
    24 __ctype_digit = (1 << 2),
    25 __ctype_xdigit = (1 << 3),
    26 __ctype_space = (1 << 4),
    27 __ctype_print = (1 << 5),
    28 __ctype_punct = (1 << 6),
    29 __ctype_cntrl = (1 << 7),
    30 };
    31
    32 __extern int isalnum(int);
    33 __extern int isalpha(int);
    34 __extern int isascii(int);
    35 __extern int isblank(int);
    36 __extern int iscntrl(int);
    37 __extern int isdigit(int);
    38 __extern int isgraph(int);
    39 __extern int islower(int);
    40 __extern int isprint(int);
    41 __extern int ispunct(int);
    42 __extern int isspace(int);
    43 __extern int isupper(int);
    44 __extern int isxdigit(int);
    45 __extern int toupper(int);
    46 __extern int tolower(int);
    47
    48 extern const unsigned char __ctypes[];
    49
    50 __must_inline int __ctype_isalnum(int __c)
    51 {
    52 return __ctypes[__c + 1] &
    53 (__ctype_upper | __ctype_lower | __ctype_digit);
    54 }
    55
    56 __must_inline int __ctype_isalpha(int __c)
    57 {
    58 return __ctypes[__c + 1] & (__ctype_upper | __ctype_lower);
    59 }
    60
    61 __must_inline int __ctype_isascii(int __c)
    62 {
    63 return !(__c & ~0x7f);
    64 }
    65
    66 __must_inline int __ctype_isblank(int __c)
    67 {
    68 return (__c == '\t') || (__c == ' ');
    69 }
    70
    71 __must_inline int __ctype_iscntrl(int __c)
    72 {
    73 return __ctypes[__c + 1] & __ctype_cntrl;
    74 }
    75
    76 __must_inline int __ctype_isdigit(int __c)
    77 {
    78 return ((unsigned)__c - '0') <= 9;
    79 }
    80
    81 __must_inline int __ctype_isgraph(int __c)
    82 {
    83 return __ctypes[__c + 1] &
    84 (__ctype_upper | __ctype_lower | __ctype_digit | __ctype_punct);
    85 }
    86
    87 __must_inline int __ctype_islower(int __c)
    88 {
    89 return __ctypes[__c + 1] & __ctype_lower;
    90 }
    91
    92 __must_inline int __ctype_isprint(int __c)
    93 {
    94 return __ctypes[__c + 1] & __ctype_print;
    95 }
    96
    97 __must_inline int __ctype_ispunct(int __c)
    98 {
    99 return __ctypes[__c + 1] & __ctype_punct;
    100 }
    101
    102 __must_inline int __ctype_isspace(int __c)
    103 {
    104 return __ctypes[__c + 1] & __ctype_space;
    105 }
    106
    107 __must_inline int __ctype_isupper(int __c)
    108 {
    109 return __ctypes[__c + 1] & __ctype_upper;
    110 }
    111
    112 __must_inline int __ctype_isxdigit(int __c)
    113 {
    114 return __ctypes[__c + 1] & __ctype_xdigit;
    115 }
    116
    117 /* Note: this is decimal, not hex, to avoid accidental promotion to unsigned */
    118 #define _toupper(__c) ((__c) & ~32)
    119 #define _tolower(__c) ((__c) | 32)
    120
    121 __must_inline int __ctype_toupper(int __c)
    122 {
    123 return __ctype_islower(__c) ? _toupper(__c) : __c;
    124 }
    125
    126 __must_inline int __ctype_tolower(int __c)
    127 {
    128 return __ctype_isupper(__c) ? _tolower(__c) : __c;
    129 }
    130
    131 #ifdef __CTYPE_NO_INLINE
    132 # define __CTYPEFUNC(X) \
    133 __extern int X(int);
    134 #else
    135 #define __CTYPEFUNC(X) \
    136 __extern inline int X(int __c) \
    137 { \
    138 return __ctype_##X(__c); \
    139 }
    140 #endif
    141
    142 __CTYPEFUNC(isalnum)
    143 __CTYPEFUNC(isalpha)
    144 __CTYPEFUNC(isascii)
    145 __CTYPEFUNC(isblank)
    146 __CTYPEFUNC(iscntrl)
    147 __CTYPEFUNC(isdigit)
    148 __CTYPEFUNC(isgraph)
    149 __CTYPEFUNC(islower)
    150 __CTYPEFUNC(isprint)
    151 __CTYPEFUNC(ispunct)
    152 __CTYPEFUNC(isspace)
    153 __CTYPEFUNC(isupper)
    154 __CTYPEFUNC(isxdigit)
    155 __CTYPEFUNC(toupper)
    156 __CTYPEFUNC(tolower)
    157 #endif /* _CTYPE_H */