1 | /* |
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2 | * Copyright (c) 1989 The Regents of the University of California. |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * 1. Redistributions of source code must retain the above copyright |
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9 | * notice, this list of conditions and the following disclaimer. |
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10 | * 2. Redistributions in binary form must reproduce the above copyright |
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11 | * notice, this list of conditions and the following disclaimer in the |
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12 | * documentation and/or other materials provided with the distribution. |
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13 | * 3. All advertising materials mentioning features or use of this software |
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14 | * must display the following acknowledgement: |
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15 | * This product includes software developed by the University of |
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16 | * California, Berkeley and its contributors. |
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17 | * 4. Neither the name of the University nor the names of its contributors |
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18 | * may be used to endorse or promote products derived from this software |
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19 | * without specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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31 | * SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | #if defined(LIBC_SCCS) && !defined(lint) |
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35 | static char sccsid[] = "@(#)ctype_.c 5.6 (Berkeley) 6/1/90"; |
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36 | #endif /* LIBC_SCCS and not lint */ |
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37 | |
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38 | #include "ctype_.h" |
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39 | #include "../locale/setlocale.h" |
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40 | |
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41 | #define _CTYPE_DATA_0_127 \ |
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42 | _C, _C, _C, _C, _C, _C, _C, _C, \ |
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43 | _C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C, \ |
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44 | _C, _C, _C, _C, _C, _C, _C, _C, \ |
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45 | _C, _C, _C, _C, _C, _C, _C, _C, \ |
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46 | _S|_B, _P, _P, _P, _P, _P, _P, _P, \ |
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47 | _P, _P, _P, _P, _P, _P, _P, _P, \ |
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48 | _N, _N, _N, _N, _N, _N, _N, _N, \ |
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49 | _N, _N, _P, _P, _P, _P, _P, _P, \ |
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50 | _P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U, \ |
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51 | _U, _U, _U, _U, _U, _U, _U, _U, \ |
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52 | _U, _U, _U, _U, _U, _U, _U, _U, \ |
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53 | _U, _U, _U, _P, _P, _P, _P, _P, \ |
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54 | _P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L, \ |
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55 | _L, _L, _L, _L, _L, _L, _L, _L, \ |
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56 | _L, _L, _L, _L, _L, _L, _L, _L, \ |
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57 | _L, _L, _L, _P, _P, _P, _P, _C |
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58 | |
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59 | #define _CTYPE_DATA_128_255 \ |
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60 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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61 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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62 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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63 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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64 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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65 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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66 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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67 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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68 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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69 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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70 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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71 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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72 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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73 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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74 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
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75 | 0, 0, 0, 0, 0, 0, 0, 0 |
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76 | |
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77 | #if defined(_MB_CAPABLE) |
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78 | #if defined(_MB_EXTENDED_CHARSETS_ISO) |
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79 | #include "ctype_iso.h" |
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80 | #endif |
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81 | #if defined(_MB_EXTENDED_CHARSETS_WINDOWS) |
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82 | #include "ctype_cp.h" |
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83 | #endif |
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84 | #endif |
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85 | |
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86 | #if defined(ALLOW_NEGATIVE_CTYPE_INDEX) |
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87 | /* No static const on Cygwin since it's referenced and potentially overwritten |
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88 | for compatibility with older applications. */ |
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89 | #ifndef __CYGWIN__ |
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90 | const |
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91 | #endif |
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92 | char _ctype_b[128 + 256] = { |
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93 | _CTYPE_DATA_128_255, |
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94 | _CTYPE_DATA_0_127, |
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95 | _CTYPE_DATA_128_255 |
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96 | }; |
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97 | |
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98 | # ifdef __CYGWIN__ |
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99 | /* For backward compatibility */ |
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100 | char __EXPORT *__ctype_ptr__ = DEFAULT_CTYPE_PTR; |
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101 | |
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102 | # ifdef __x86_64__ |
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103 | __asm__ (" \n\ |
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104 | .data \n\ |
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105 | .globl _ctype_ \n\ |
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106 | .set _ctype_,_ctype_b+127 \n\ |
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107 | .text \n\ |
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108 | "); |
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109 | # else |
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110 | __asm__ (" \n\ |
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111 | .data \n\ |
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112 | .globl __ctype_ \n\ |
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113 | .set __ctype_,__ctype_b+127 \n\ |
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114 | .text \n\ |
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115 | "); |
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116 | # endif |
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117 | # else /* !__CYGWIN__ */ |
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118 | |
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119 | const char _ctype_[1 + 256] = { |
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120 | 0, |
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121 | _CTYPE_DATA_0_127, |
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122 | _CTYPE_DATA_128_255 |
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123 | }; |
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124 | # endif /* !__CYGWIN__ */ |
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125 | |
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126 | #else /* !ALLOW_NEGATIVE_CTYPE_INDEX */ |
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127 | |
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128 | const char _ctype_[1 + 256] = { |
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129 | 0, |
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130 | _CTYPE_DATA_0_127, |
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131 | _CTYPE_DATA_128_255 |
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132 | }; |
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133 | |
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134 | #endif /* !ALLOW_NEGATIVE_CTYPE_INDEX */ |
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135 | |
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136 | #if defined(_MB_CAPABLE) |
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137 | /* Cygwin has its own implementation which additionally maintains backward |
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138 | compatibility with applications built under older Cygwin releases. */ |
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139 | #ifndef __CYGWIN__ |
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140 | void |
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141 | __set_ctype (struct __locale_t *loc, const char *charset) |
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142 | { |
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143 | #if defined(_MB_EXTENDED_CHARSETS_ISO) || defined(_MB_EXTENDED_CHARSETS_WINDOWS) |
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144 | int idx; |
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145 | #endif |
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146 | char *ctype_ptr = NULL; |
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147 | |
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148 | switch (*charset) |
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149 | { |
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150 | #if defined(_MB_EXTENDED_CHARSETS_ISO) |
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151 | case 'I': |
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152 | idx = __iso_8859_index (charset + 9); |
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153 | /* The ctype table has a leading ISO-8859-1 element so we have to add |
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154 | 1 to the index returned by __iso_8859_index. If __iso_8859_index |
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155 | returns < 0, it's ISO-8859-1. */ |
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156 | if (idx < 0) |
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157 | idx = 0; |
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158 | else |
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159 | ++idx; |
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160 | ctype_ptr = __ctype_iso[idx]; |
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161 | break; |
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162 | #endif |
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163 | #if defined(_MB_EXTENDED_CHARSETS_WINDOWS) |
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164 | case 'C': |
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165 | idx = __cp_index (charset + 2); |
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166 | if (idx < 0) |
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167 | break; |
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168 | ctype_ptr = __ctype_cp[idx]; |
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169 | break; |
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170 | #endif |
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171 | default: |
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172 | break; |
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173 | } |
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174 | if (!ctype_ptr) |
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175 | { |
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176 | # if defined(ALLOW_NEGATIVE_CTYPE_INDEX) |
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177 | ctype_ptr = _ctype_b; |
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178 | # else |
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179 | ctype_ptr = _ctype_; |
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180 | # endif |
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181 | } |
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182 | # if defined(ALLOW_NEGATIVE_CTYPE_INDEX) |
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183 | loc->ctype_ptr = ctype_ptr + 127; |
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184 | # else |
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185 | loc->ctype_ptr = ctype_ptr; |
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186 | # endif |
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187 | } |
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188 | #endif /* !__CYGWIN__ */ |
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189 | #endif /* _MB_CAPABLE */ |
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