1 | #ifndef _CTYPE_H_ |
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2 | #define _CTYPE_H_ |
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3 | |
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4 | #include "_ansi.h" |
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5 | #include <sys/cdefs.h> |
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6 | |
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7 | #if __POSIX_VISIBLE >= 200809 || __MISC_VISIBLE || defined (_COMPILING_NEWLIB) |
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8 | #include <xlocale.h> |
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9 | #endif |
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10 | |
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11 | _BEGIN_STD_C |
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12 | |
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13 | int isalnum (int __c); |
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14 | int isalpha (int __c); |
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15 | int iscntrl (int __c); |
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16 | int isdigit (int __c); |
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17 | int isgraph (int __c); |
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18 | int islower (int __c); |
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19 | int isprint (int __c); |
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20 | int ispunct (int __c); |
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21 | int isspace (int __c); |
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22 | int isupper (int __c); |
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23 | int isxdigit (int __c); |
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24 | int tolower (int __c); |
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25 | int toupper (int __c); |
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26 | |
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27 | #if __ISO_C_VISIBLE >= 1999 |
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28 | int isblank (int __c); |
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29 | #endif |
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30 | |
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31 | #if __MISC_VISIBLE || __XSI_VISIBLE |
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32 | int isascii (int __c); |
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33 | int toascii (int __c); |
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34 | #define _tolower(__c) ((unsigned char)(__c) - 'A' + 'a') |
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35 | #define _toupper(__c) ((unsigned char)(__c) - 'a' + 'A') |
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36 | #endif |
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37 | |
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38 | #if __POSIX_VISIBLE >= 200809 |
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39 | extern int isalnum_l (int __c, locale_t __l); |
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40 | extern int isalpha_l (int __c, locale_t __l); |
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41 | extern int isblank_l (int __c, locale_t __l); |
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42 | extern int iscntrl_l (int __c, locale_t __l); |
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43 | extern int isdigit_l (int __c, locale_t __l); |
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44 | extern int isgraph_l (int __c, locale_t __l); |
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45 | extern int islower_l (int __c, locale_t __l); |
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46 | extern int isprint_l (int __c, locale_t __l); |
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47 | extern int ispunct_l (int __c, locale_t __l); |
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48 | extern int isspace_l (int __c, locale_t __l); |
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49 | extern int isupper_l (int __c, locale_t __l); |
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50 | extern int isxdigit_l(int __c, locale_t __l); |
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51 | extern int tolower_l (int __c, locale_t __l); |
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52 | extern int toupper_l (int __c, locale_t __l); |
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53 | #endif |
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54 | |
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55 | #if __MISC_VISIBLE |
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56 | extern int isascii_l (int __c, locale_t __l); |
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57 | extern int toascii_l (int __c, locale_t __l); |
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58 | #endif |
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59 | |
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60 | #define _U 01 |
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61 | #define _L 02 |
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62 | #define _N 04 |
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63 | #define _S 010 |
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64 | #define _P 020 |
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65 | #define _C 040 |
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66 | #define _X 0100 |
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67 | #define _B 0200 |
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68 | |
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69 | const char *__locale_ctype_ptr (void); |
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70 | # define __CTYPE_PTR (__locale_ctype_ptr ()) |
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71 | |
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72 | #ifndef __cplusplus |
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73 | /* These macros are intentionally written in a manner that will trigger |
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74 | a gcc -Wall warning if the user mistakenly passes a 'char' instead |
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75 | of an int containing an 'unsigned char'. Note that the sizeof will |
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76 | always be 1, which is what we want for mapping EOF to __CTYPE_PTR[0]; |
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77 | the use of a raw index inside the sizeof triggers the gcc warning if |
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78 | __c was of type char, and sizeof masks side effects of the extra __c. |
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79 | Meanwhile, the real index to __CTYPE_PTR+1 must be cast to int, |
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80 | since isalpha(0x100000001LL) must equal isalpha(1), rather than being |
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81 | an out-of-bounds reference on a 64-bit machine. */ |
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82 | #define __ctype_lookup(__c) ((__CTYPE_PTR+sizeof(""[__c]))[(int)(__c)]) |
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83 | |
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84 | #define isalpha(__c) (__ctype_lookup(__c)&(_U|_L)) |
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85 | #define isupper(__c) ((__ctype_lookup(__c)&(_U|_L))==_U) |
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86 | #define islower(__c) ((__ctype_lookup(__c)&(_U|_L))==_L) |
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87 | #define isdigit(__c) (__ctype_lookup(__c)&_N) |
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88 | #define isxdigit(__c) (__ctype_lookup(__c)&(_X|_N)) |
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89 | #define isspace(__c) (__ctype_lookup(__c)&_S) |
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90 | #define ispunct(__c) (__ctype_lookup(__c)&_P) |
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91 | #define isalnum(__c) (__ctype_lookup(__c)&(_U|_L|_N)) |
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92 | #define isprint(__c) (__ctype_lookup(__c)&(_P|_U|_L|_N|_B)) |
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93 | #define isgraph(__c) (__ctype_lookup(__c)&(_P|_U|_L|_N)) |
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94 | #define iscntrl(__c) (__ctype_lookup(__c)&_C) |
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95 | |
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96 | #if defined(__GNUC__) && __ISO_C_VISIBLE >= 1999 |
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97 | #define isblank(__c) \ |
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98 | __extension__ ({ __typeof__ (__c) __x = (__c); \ |
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99 | (__ctype_lookup(__x)&_B) || (int) (__x) == '\t';}) |
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100 | #endif |
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101 | |
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102 | #if __POSIX_VISIBLE >= 200809 |
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103 | const char *__locale_ctype_ptr_l (locale_t); |
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104 | #define __ctype_lookup_l(__c,__l) ((__locale_ctype_ptr_l(__l)+sizeof(""[__c]))[(int)(__c)]) |
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105 | |
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106 | #define isalpha_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_U|_L)) |
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107 | #define isupper_l(__c,__l) ((__ctype_lookup_l(__c,__l)&(_U|_L))==_U) |
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108 | #define islower_l(__c,__l) ((__ctype_lookup_l(__c,__l)&(_U|_L))==_L) |
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109 | #define isdigit_l(__c,__l) (__ctype_lookup_l(__c,__l)&_N) |
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110 | #define isxdigit_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_X|_N)) |
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111 | #define isspace_l(__c,__l) (__ctype_lookup_l(__c,__l)&_S) |
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112 | #define ispunct_l(__c,__l) (__ctype_lookup_l(__c,__l)&_P) |
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113 | #define isalnum_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_U|_L|_N)) |
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114 | #define isprint_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_P|_U|_L|_N|_B)) |
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115 | #define isgraph_l(__c,__l) (__ctype_lookup_l(__c,__l)&(_P|_U|_L|_N)) |
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116 | #define iscntrl_l(__c,__l) (__ctype_lookup_l(__c,__l)&_C) |
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117 | |
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118 | #if defined(__GNUC__) |
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119 | #define isblank_l(__c, __l) \ |
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120 | __extension__ ({ __typeof__ (__c) __x = (__c); \ |
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121 | (__ctype_lookup_l(__x,__l)&_B) || (int) (__x) == '\t';}) |
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122 | #endif |
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123 | |
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124 | #endif /* __POSIX_VISIBLE >= 200809 */ |
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125 | |
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126 | #if __MISC_VISIBLE || __XSI_VISIBLE |
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127 | #define isascii(__c) ((unsigned)(__c)<=0177) |
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128 | #define toascii(__c) ((__c)&0177) |
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129 | #endif |
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130 | |
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131 | #if __MISC_VISIBLE |
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132 | #define isascii_l(__c,__l) ((__l),(unsigned)(__c)<=0177) |
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133 | #define toascii_l(__c,__l) ((__l),(__c)&0177) |
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134 | #endif |
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135 | |
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136 | /* Non-gcc versions will get the library versions, and will be |
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137 | slightly slower. These macros are not NLS-aware so they are |
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138 | disabled if the system supports the extended character sets. */ |
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139 | # if defined(__GNUC__) |
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140 | # if !defined (_MB_EXTENDED_CHARSETS_ISO) && !defined (_MB_EXTENDED_CHARSETS_WINDOWS) |
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141 | # define toupper(__c) \ |
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142 | __extension__ ({ __typeof__ (__c) __x = (__c); \ |
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143 | islower (__x) ? (int) __x - 'a' + 'A' : (int) __x;}) |
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144 | # define tolower(__c) \ |
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145 | __extension__ ({ __typeof__ (__c) __x = (__c); \ |
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146 | isupper (__x) ? (int) __x - 'A' + 'a' : (int) __x;}) |
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147 | # else /* _MB_EXTENDED_CHARSETS* */ |
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148 | /* Allow a gcc warning if the user passed 'char', but defer to the |
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149 | function. */ |
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150 | # define toupper(__c) \ |
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151 | __extension__ ({ __typeof__ (__c) __x = (__c); \ |
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152 | (void) __CTYPE_PTR[__x]; (toupper) (__x);}) |
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153 | # define tolower(__c) \ |
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154 | __extension__ ({ __typeof__ (__c) __x = (__c); \ |
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155 | (void) __CTYPE_PTR[__x]; (tolower) (__x);}) |
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156 | # endif /* _MB_EXTENDED_CHARSETS* */ |
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157 | # endif /* __GNUC__ */ |
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158 | |
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159 | #if __POSIX_VISIBLE >= 200809 |
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160 | #endif /* __POSIX_VISIBLE >= 200809 */ |
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161 | |
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162 | #endif /* !__cplusplus */ |
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163 | |
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164 | /* For C++ backward-compatibility only. */ |
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165 | extern __IMPORT const char _ctype_[]; |
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166 | |
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167 | _END_STD_C |
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168 | |
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169 | #endif /* _CTYPE_H_ */ |
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