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

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    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
    File MIME type: text/plain
    File size: 2804 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    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
    12 /*
    13 * This relies on the following definitions:
    14 *
    15 * cntrl = !print
    16 * alpha = upper|lower
    17 * graph = punct|alpha|digit
    18 * blank = '\t' || ' ' (per POSIX requirement)
    19 */
    20 enum {
    21 __ctype_upper = (1 << 0),
    22 __ctype_lower = (1 << 1),
    23 __ctype_digit = (1 << 2),
    24 __ctype_xdigit = (1 << 3),
    25 __ctype_space = (1 << 4),
    26 __ctype_print = (1 << 5),
    27 __ctype_punct = (1 << 6),
    28 __ctype_cntrl = (1 << 7),
    29 };
    30
    31 extern const unsigned char __ctypes[];
    32
    33 static inline int __ctype_isalnum(int __c)
    34 {
    35 return __ctypes[__c + 1] &
    36 (__ctype_upper | __ctype_lower | __ctype_digit);
    37 }
    38
    39 static inline int __ctype_isalpha(int __c)
    40 {
    41 return __ctypes[__c + 1] & (__ctype_upper | __ctype_lower);
    42 }
    43
    44 static inline int __ctype_isascii(int __c)
    45 {
    46 return !(__c & ~0x7f);
    47 }
    48
    49 static inline int __ctype_isblank(int __c)
    50 {
    51 return (__c == '\t') || (__c == ' ');
    52 }
    53
    54 static inline int __ctype_iscntrl(int __c)
    55 {
    56 return __ctypes[__c + 1] & __ctype_cntrl;
    57 }
    58
    59 static inline int __ctype_isdigit(int __c)
    60 {
    61 return ((unsigned)__c - '0') <= 9;
    62 }
    63
    64 static inline int __ctype_isgraph(int __c)
    65 {
    66 return __ctypes[__c + 1] &
    67 (__ctype_upper | __ctype_lower | __ctype_digit | __ctype_punct);
    68 }
    69
    70 static inline int __ctype_islower(int __c)
    71 {
    72 return __ctypes[__c + 1] & __ctype_lower;
    73 }
    74
    75 static inline int __ctype_isprint(int __c)
    76 {
    77 return __ctypes[__c + 1] & __ctype_print;
    78 }
    79
    80 static inline int __ctype_ispunct(int __c)
    81 {
    82 return __ctypes[__c + 1] & __ctype_punct;
    83 }
    84
    85 static inline int __ctype_isspace(int __c)
    86 {
    87 return __ctypes[__c + 1] & __ctype_space;
    88 }
    89
    90 static inline int __ctype_isupper(int __c)
    91 {
    92 return __ctypes[__c + 1] & __ctype_upper;
    93 }
    94
    95 static inline int __ctype_isxdigit(int __c)
    96 {
    97 return __ctypes[__c + 1] & __ctype_xdigit;
    98 }
    99
    100 /* Note: this is decimal, not hex, to avoid accidental promotion to unsigned */
    101 #define _toupper(__c) ((__c) & ~32)
    102 #define _tolower(__c) ((__c) | 32)
    103
    104 static inline int __ctype_toupper(int __c)
    105 {
    106 return __ctype_islower(__c) ? _toupper(__c) : __c;
    107 }
    108
    109 static inline int __ctype_tolower(int __c)
    110 {
    111 return __ctype_isupper(__c) ? _tolower(__c) : __c;
    112 }
    113
    114 #ifdef __CTYPE_NO_INLINE
    115 # define __CTYPEFUNC(X) \
    116 __extern int X(int);
    117 #else
    118 #define __CTYPEFUNC(X) \
    119 __extern inline int X(int __c) \
    120 { \
    121 return __ctype_##X(__c); \
    122 }
    123 #endif
    124
    125 __CTYPEFUNC(isalnum)
    126 __CTYPEFUNC(isalpha)
    127 __CTYPEFUNC(isascii)
    128 __CTYPEFUNC(isblank)
    129 __CTYPEFUNC(iscntrl)
    130 __CTYPEFUNC(isdigit)
    131 __CTYPEFUNC(isgraph)
    132 __CTYPEFUNC(islower)
    133 __CTYPEFUNC(isprint)
    134 __CTYPEFUNC(ispunct)
    135 __CTYPEFUNC(isspace)
    136 __CTYPEFUNC(isupper)
    137 __CTYPEFUNC(isxdigit)
    138 __CTYPEFUNC(toupper)
    139 __CTYPEFUNC(tolower)
    140 #endif /* _CTYPE_H */