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

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    Revision 815 - (hide 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 niro 532 /*
    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 niro 815 #include <klibc/compiler.h>
    12 niro 532
    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 niro 815 __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 niro 532 extern const unsigned char __ctypes[];
    49    
    50 niro 815 __must_inline int __ctype_isalnum(int __c)
    51 niro 532 {
    52     return __ctypes[__c + 1] &
    53     (__ctype_upper | __ctype_lower | __ctype_digit);
    54     }
    55    
    56 niro 815 __must_inline int __ctype_isalpha(int __c)
    57 niro 532 {
    58     return __ctypes[__c + 1] & (__ctype_upper | __ctype_lower);
    59     }
    60    
    61 niro 815 __must_inline int __ctype_isascii(int __c)
    62 niro 532 {
    63     return !(__c & ~0x7f);
    64     }
    65    
    66 niro 815 __must_inline int __ctype_isblank(int __c)
    67 niro 532 {
    68     return (__c == '\t') || (__c == ' ');
    69     }
    70    
    71 niro 815 __must_inline int __ctype_iscntrl(int __c)
    72 niro 532 {
    73     return __ctypes[__c + 1] & __ctype_cntrl;
    74     }
    75    
    76 niro 815 __must_inline int __ctype_isdigit(int __c)
    77 niro 532 {
    78     return ((unsigned)__c - '0') <= 9;
    79     }
    80    
    81 niro 815 __must_inline int __ctype_isgraph(int __c)
    82 niro 532 {
    83     return __ctypes[__c + 1] &
    84     (__ctype_upper | __ctype_lower | __ctype_digit | __ctype_punct);
    85     }
    86    
    87 niro 815 __must_inline int __ctype_islower(int __c)
    88 niro 532 {
    89     return __ctypes[__c + 1] & __ctype_lower;
    90     }
    91    
    92 niro 815 __must_inline int __ctype_isprint(int __c)
    93 niro 532 {
    94     return __ctypes[__c + 1] & __ctype_print;
    95     }
    96    
    97 niro 815 __must_inline int __ctype_ispunct(int __c)
    98 niro 532 {
    99     return __ctypes[__c + 1] & __ctype_punct;
    100     }
    101    
    102 niro 815 __must_inline int __ctype_isspace(int __c)
    103 niro 532 {
    104     return __ctypes[__c + 1] & __ctype_space;
    105     }
    106    
    107 niro 815 __must_inline int __ctype_isupper(int __c)
    108 niro 532 {
    109     return __ctypes[__c + 1] & __ctype_upper;
    110     }
    111    
    112 niro 815 __must_inline int __ctype_isxdigit(int __c)
    113 niro 532 {
    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 niro 815 __must_inline int __ctype_toupper(int __c)
    122 niro 532 {
    123     return __ctype_islower(__c) ? _toupper(__c) : __c;
    124     }
    125    
    126 niro 815 __must_inline int __ctype_tolower(int __c)
    127 niro 532 {
    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 niro 815 __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 niro 532 #endif /* _CTYPE_H */