Sat, 30 Sep 2023 16:33:47 +0200
add new config parser
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | /** |
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29 | * \file printf.h |
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30 | * \brief Wrapper for write functions with a printf-like interface. |
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31 | * \author Mike Becker |
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32 | * \author Olaf Wintermann |
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33 | * \version 3.0 |
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34 | * \copyright 2-Clause BSD License |
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35 | */ |
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36 | |
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37 | #ifndef UCX_PRINTF_H |
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38 | #define UCX_PRINTF_H |
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39 | |
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40 | #include "common.h" |
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41 | #include "string.h" |
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42 | #include <stdarg.h> |
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43 | |
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44 | #ifdef __cplusplus |
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45 | extern "C" { |
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46 | #endif |
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47 | |
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48 | /** |
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49 | * A \c fprintf like function which writes the output to a stream by |
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50 | * using a write_func. |
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51 | * |
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52 | * @param stream the stream the data is written to |
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53 | * @param wfc the write function |
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54 | * @param fmt format string |
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55 | * @param ... additional arguments |
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56 | * @return the total number of bytes written |
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57 | */ |
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58 | __attribute__((__nonnull__(1, 2, 3), __format__(printf, 3, 4))) |
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59 | int cx_fprintf( |
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60 | void *stream, |
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61 | cx_write_func wfc, |
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62 | char const *fmt, |
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63 | ... |
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64 | ); |
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65 | |
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66 | /** |
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67 | * A \c vfprintf like function which writes the output to a stream by |
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68 | * using a write_func. |
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69 | * |
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70 | * @param stream the stream the data is written to |
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71 | * @param wfc the write function |
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72 | * @param fmt format string |
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73 | * @param ap argument list |
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74 | * @return the total number of bytes written |
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75 | * @see cx_fprintf() |
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76 | */ |
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77 | __attribute__((__nonnull__)) |
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78 | int cx_vfprintf( |
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79 | void *stream, |
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80 | cx_write_func wfc, |
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81 | char const *fmt, |
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82 | va_list ap |
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83 | ); |
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84 | |
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85 | /** |
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86 | * A \c asprintf like function which allocates space for a string |
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87 | * the result is written to. |
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88 | * |
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89 | * \note The resulting string is guaranteed to be zero-terminated. |
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90 | * |
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91 | * @param allocator the CxAllocator used for allocating the string |
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92 | * @param fmt format string |
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93 | * @param ... additional arguments |
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94 | * @return the formatted string |
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95 | * @see cx_strfree_a() |
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96 | */ |
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97 | __attribute__((__nonnull__(1, 2), __format__(printf, 2, 3))) |
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98 | cxmutstr cx_asprintf_a( |
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99 | CxAllocator const *allocator, |
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100 | char const *fmt, |
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101 | ... |
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102 | ); |
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103 | |
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104 | /** |
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105 | * A \c asprintf like function which allocates space for a string |
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106 | * the result is written to. |
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107 | * |
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108 | * \note The resulting string is guaranteed to be zero-terminated. |
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109 | * |
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110 | * @param fmt format string |
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111 | * @param ... additional arguments |
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112 | * @return the formatted string |
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113 | * @see cx_strfree() |
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114 | */ |
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115 | #define cx_asprintf(fmt, ...) \ |
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116 | cx_asprintf_a(cxDefaultAllocator, fmt, __VA_ARGS__) |
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117 | |
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118 | /** |
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119 | * A \c vasprintf like function which allocates space for a string |
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120 | * the result is written to. |
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121 | * |
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122 | * \note The resulting string is guaranteed to be zero-terminated. |
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123 | * |
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124 | * @param allocator the CxAllocator used for allocating the string |
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125 | * @param fmt format string |
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126 | * @param ap argument list |
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127 | * @return the formatted string |
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128 | * @see cx_asprintf_a() |
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129 | */ |
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130 | __attribute__((__nonnull__)) |
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131 | cxmutstr cx_vasprintf_a( |
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132 | CxAllocator const *allocator, |
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133 | char const *fmt, |
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134 | va_list ap |
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135 | ); |
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136 | |
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137 | /** |
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138 | * A \c vasprintf like function which allocates space for a string |
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139 | * the result is written to. |
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140 | * |
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141 | * \note The resulting string is guaranteed to be zero-terminated. |
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142 | * |
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143 | * @param fmt format string |
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144 | * @param ap argument list |
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145 | * @return the formatted string |
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146 | * @see cx_asprintf() |
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147 | */ |
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148 | #define cx_vasprintf(fmt, ap) cx_vasprintf_a(cxDefaultAllocator, fmt, ap) |
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149 | |
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150 | /** |
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151 | * A \c printf like function which writes the output to a CxBuffer. |
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152 | * |
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153 | * @param buffer a pointer to the buffer the data is written to |
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154 | * @param fmt the format string |
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155 | * @param ... additional arguments |
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156 | * @return the total number of bytes written |
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157 | * @see ucx_fprintf() |
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158 | */ |
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159 | #define cx_bprintf(buffer, fmt, ...) cx_fprintf((CxBuffer*)buffer, \ |
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160 | (cx_write_func) cxBufferWrite, fmt, __VA_ARGS__) |
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161 | |
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162 | #ifdef __cplusplus |
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163 | } // extern "C" |
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164 | #endif |
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165 | |
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166 | #endif //UCX_PRINTF_H |