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1 | 1 | /* |
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2 | 2 | util.h - utility functions for interfacing with the various python APIs. |
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3 | 3 | |
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4 | 4 | This software may be used and distributed according to the terms of |
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5 | 5 | the GNU General Public License, incorporated herein by reference. |
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6 | 6 | */ |
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7 | 7 | |
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8 | 8 | #ifndef _HG_UTIL_H_ |
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9 | 9 | #define _HG_UTIL_H_ |
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10 | 10 | |
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11 | 11 | #if PY_MAJOR_VERSION >= 3 |
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12 | 12 | |
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13 | 13 | #define IS_PY3K |
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14 | 14 | #define PyInt_FromLong PyLong_FromLong |
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15 | 15 | #define PyInt_AsLong PyLong_AsLong |
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16 | 16 | |
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17 | 17 | /* |
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18 | 18 | Mapping of some of the python < 2.x PyString* functions to py3k's PyUnicode. |
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19 | 19 | |
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20 | 20 | The commented names below represent those that are present in the PyBytes |
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21 | 21 | definitions for python < 2.6 (below in this file) that don't have a direct |
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22 | 22 | implementation. |
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23 | 23 | */ |
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24 | 24 | |
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25 | 25 | #define PyStringObject PyUnicodeObject |
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26 | 26 | #define PyString_Type PyUnicode_Type |
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27 | 27 | |
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28 | 28 | #define PyString_Check PyUnicode_Check |
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29 | 29 | #define PyString_CheckExact PyUnicode_CheckExact |
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30 | 30 | #define PyString_CHECK_INTERNED PyUnicode_CHECK_INTERNED |
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31 | 31 | #define PyString_AS_STRING PyUnicode_AsLatin1String |
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32 | 32 | #define PyString_GET_SIZE PyUnicode_GET_SIZE |
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33 | 33 | |
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34 | 34 | #define PyString_FromStringAndSize PyUnicode_FromStringAndSize |
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35 | 35 | #define PyString_FromString PyUnicode_FromString |
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36 | 36 | #define PyString_FromFormatV PyUnicode_FromFormatV |
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37 | 37 | #define PyString_FromFormat PyUnicode_FromFormat |
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38 | 38 | /* #define PyString_Size PyUnicode_GET_SIZE */ |
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39 | 39 | /* #define PyString_AsString */ |
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40 | 40 | /* #define PyString_Repr */ |
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41 | 41 | #define PyString_Concat PyUnicode_Concat |
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42 | 42 | #define PyString_ConcatAndDel PyUnicode_AppendAndDel |
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43 | 43 | #define _PyString_Resize PyUnicode_Resize |
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44 | 44 | /* #define _PyString_Eq */ |
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45 | 45 | #define PyString_Format PyUnicode_Format |
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46 | 46 | /* #define _PyString_FormatLong */ |
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47 | 47 | /* #define PyString_DecodeEscape */ |
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48 | 48 | #define _PyString_Join PyUnicode_Join |
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49 | 49 | #define PyString_Decode PyUnicode_Decode |
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50 | 50 | #define PyString_Encode PyUnicode_Encode |
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51 | 51 | #define PyString_AsEncodedObject PyUnicode_AsEncodedObject |
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52 | 52 | #define PyString_AsEncodedString PyUnicode_AsEncodedString |
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53 | 53 | #define PyString_AsDecodedObject PyUnicode_AsDecodedObject |
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54 | 54 | #define PyString_AsDecodedString PyUnicode_AsDecodedUnicode |
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55 | 55 | /* #define PyString_AsStringAndSize */ |
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56 | 56 | #define _PyString_InsertThousandsGrouping _PyUnicode_InsertThousandsGrouping |
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57 | 57 | |
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58 | 58 | #endif /* PY_MAJOR_VERSION */ |
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59 | 59 | |
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60 | /* Backports from 2.6 */ | |
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61 | #if PY_VERSION_HEX < 0x02060000 | |
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62 | ||
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63 | #define Py_TYPE(ob) (ob)->ob_type | |
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64 | #define Py_SIZE(ob) (ob)->ob_size | |
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65 | #define PyVarObject_HEAD_INIT(type, size) PyObject_HEAD_INIT(type) size, | |
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66 | ||
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67 | /* Shamelessly stolen from bytesobject.h */ | |
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68 | #define PyBytesObject PyStringObject | |
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69 | #define PyBytes_Type PyString_Type | |
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70 | ||
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71 | #define PyBytes_Check PyString_Check | |
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72 | #define PyBytes_CheckExact PyString_CheckExact | |
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73 | #define PyBytes_CHECK_INTERNED PyString_CHECK_INTERNED | |
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74 | #define PyBytes_AS_STRING PyString_AS_STRING | |
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75 | #define PyBytes_GET_SIZE PyString_GET_SIZE | |
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76 | #define Py_TPFLAGS_BYTES_SUBCLASS Py_TPFLAGS_STRING_SUBCLASS | |
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77 | ||
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78 | #define PyBytes_FromStringAndSize PyString_FromStringAndSize | |
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79 | #define PyBytes_FromString PyString_FromString | |
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80 | #define PyBytes_FromFormatV PyString_FromFormatV | |
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81 | #define PyBytes_FromFormat PyString_FromFormat | |
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82 | #define PyBytes_Size PyString_Size | |
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83 | #define PyBytes_AsString PyString_AsString | |
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84 | #define PyBytes_Repr PyString_Repr | |
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85 | #define PyBytes_Concat PyString_Concat | |
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86 | #define PyBytes_ConcatAndDel PyString_ConcatAndDel | |
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87 | #define _PyBytes_Resize _PyString_Resize | |
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88 | #define _PyBytes_Eq _PyString_Eq | |
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89 | #define PyBytes_Format PyString_Format | |
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90 | #define _PyBytes_FormatLong _PyString_FormatLong | |
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91 | #define PyBytes_DecodeEscape PyString_DecodeEscape | |
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92 | #define _PyBytes_Join _PyString_Join | |
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93 | #define PyBytes_Decode PyString_Decode | |
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94 | #define PyBytes_Encode PyString_Encode | |
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95 | #define PyBytes_AsEncodedObject PyString_AsEncodedObject | |
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96 | #define PyBytes_AsEncodedString PyString_AsEncodedString | |
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97 | #define PyBytes_AsDecodedObject PyString_AsDecodedObject | |
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98 | #define PyBytes_AsDecodedString PyString_AsDecodedString | |
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99 | #define PyBytes_AsStringAndSize PyString_AsStringAndSize | |
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100 | #define _PyBytes_InsertThousandsGrouping _PyString_InsertThousandsGrouping | |
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101 | ||
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102 | #endif /* PY_VERSION_HEX */ | |
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103 | ||
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104 | 60 | #ifdef _WIN32 |
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105 | 61 | #ifdef _MSC_VER |
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106 | 62 | /* msvc 6.0 has problems */ |
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107 | 63 | #define inline __inline |
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108 | 64 | typedef signed char int8_t; |
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109 | 65 | typedef short int16_t; |
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110 | 66 | typedef long int32_t; |
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111 | 67 | typedef __int64 int64_t; |
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112 | 68 | typedef unsigned char uint8_t; |
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113 | 69 | typedef unsigned short uint16_t; |
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114 | 70 | typedef unsigned long uint32_t; |
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115 | 71 | typedef unsigned __int64 uint64_t; |
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116 | 72 | #else |
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117 | 73 | #include <stdint.h> |
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118 | 74 | #endif |
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119 | 75 | #else |
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120 | 76 | /* not windows */ |
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121 | 77 | #include <sys/types.h> |
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122 | 78 | #if defined __BEOS__ && !defined __HAIKU__ |
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123 | 79 | #include <ByteOrder.h> |
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124 | 80 | #else |
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125 | 81 | #include <arpa/inet.h> |
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126 | 82 | #endif |
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127 | 83 | #include <inttypes.h> |
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128 | 84 | #endif |
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129 | 85 | |
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130 | 86 | #if defined __hpux || defined __SUNPRO_C || defined _AIX |
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131 | 87 | #define inline |
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132 | 88 | #endif |
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133 | 89 | |
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134 | 90 | #ifdef __linux |
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135 | 91 | #define inline __inline |
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136 | 92 | #endif |
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137 | 93 | |
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138 | 94 | typedef struct { |
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139 | 95 | PyObject_HEAD |
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140 | 96 | char state; |
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141 | 97 | int mode; |
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142 | 98 | int size; |
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143 | 99 | int mtime; |
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144 | 100 | } dirstateTupleObject; |
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145 | 101 | |
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146 | 102 | extern PyTypeObject dirstateTupleType; |
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147 | 103 | #define dirstate_tuple_check(op) (Py_TYPE(op) == &dirstateTupleType) |
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148 | 104 | |
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149 | 105 | static inline uint32_t getbe32(const char *c) |
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150 | 106 | { |
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151 | 107 | const unsigned char *d = (const unsigned char *)c; |
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152 | 108 | |
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153 | 109 | return ((d[0] << 24) | |
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154 | 110 | (d[1] << 16) | |
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155 | 111 | (d[2] << 8) | |
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156 | 112 | (d[3])); |
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157 | 113 | } |
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158 | 114 | |
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159 | 115 | static inline int16_t getbeint16(const char *c) |
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160 | 116 | { |
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161 | 117 | const unsigned char *d = (const unsigned char *)c; |
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162 | 118 | |
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163 | 119 | return ((d[0] << 8) | |
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164 | 120 | (d[1])); |
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165 | 121 | } |
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166 | 122 | |
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167 | 123 | static inline uint16_t getbeuint16(const char *c) |
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168 | 124 | { |
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169 | 125 | const unsigned char *d = (const unsigned char *)c; |
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170 | 126 | |
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171 | 127 | return ((d[0] << 8) | |
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172 | 128 | (d[1])); |
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173 | 129 | } |
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174 | 130 | |
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175 | 131 | static inline void putbe32(uint32_t x, char *c) |
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176 | 132 | { |
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177 | 133 | c[0] = (x >> 24) & 0xff; |
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178 | 134 | c[1] = (x >> 16) & 0xff; |
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179 | 135 | c[2] = (x >> 8) & 0xff; |
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180 | 136 | c[3] = (x) & 0xff; |
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181 | 137 | } |
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182 | 138 | |
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183 | 139 | static inline double getbefloat64(const char *c) |
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184 | 140 | { |
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185 | 141 | const unsigned char *d = (const unsigned char *)c; |
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186 | 142 | double ret; |
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187 | 143 | int i; |
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188 | 144 | uint64_t t = 0; |
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189 | 145 | for (i = 0; i < 8; i++) { |
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190 | 146 | t = (t<<8) + d[i]; |
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191 | 147 | } |
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192 | 148 | memcpy(&ret, &t, sizeof(t)); |
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193 | 149 | return ret; |
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194 | 150 | } |
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195 | 151 | |
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196 | 152 | /* This should be kept in sync with normcasespecs in encoding.py. */ |
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197 | 153 | enum normcase_spec { |
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198 | 154 | NORMCASE_LOWER = -1, |
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199 | 155 | NORMCASE_UPPER = 1, |
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200 | 156 | NORMCASE_OTHER = 0 |
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201 | 157 | }; |
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202 | 158 | |
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203 | 159 | #define MIN(a, b) (((a)<(b))?(a):(b)) |
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204 | 160 | /* VC9 doesn't include bool and lacks stdbool.h based on my searching */ |
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205 | 161 | #if defined(_MSC_VER) || __STDC_VERSION__ < 199901L |
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206 | 162 | #define true 1 |
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207 | 163 | #define false 0 |
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208 | 164 | typedef unsigned char bool; |
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209 | 165 | #else |
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210 | 166 | #include <stdbool.h> |
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211 | 167 | #endif |
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212 | 168 | |
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213 | 169 | #endif /* _HG_UTIL_H_ */ |
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