Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/harfbuzz/src/hb.hh @ 22:d77477b4e151

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Let _int_rc() also handle (i.e. ignore) a local version suffix
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 12:05:57 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 /*
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2 * Copyright © 2007,2008,2009 Red Hat, Inc.
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3 * Copyright © 2011,2012 Google, Inc.
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4 *
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5 * This is part of HarfBuzz, a text shaping library.
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6 *
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7 * Permission is hereby granted, without written agreement and without
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8 * license or royalty fees, to use, copy, modify, and distribute this
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9 * software and its documentation for any purpose, provided that the
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10 * above copyright notice and the following two paragraphs appear in
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11 * all copies of this software.
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12 *
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13 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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14 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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15 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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16 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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17 * DAMAGE.
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18 *
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19 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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20 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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21 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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22 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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23 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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24 *
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25 * Red Hat Author(s): Behdad Esfahbod
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26 * Google Author(s): Behdad Esfahbod
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27 */
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28
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29 #ifndef HB_HH
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30 #define HB_HH
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31
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32 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC
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33 #ifdef _MSC_VER
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34 #pragma warning( disable: 4068 ) /* Unknown pragma */
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35 #endif
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36 #if defined(__GNUC__) || defined(__clang__)
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37 /* Rules:
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38 *
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39 * - All pragmas are declared GCC even if they are clang ones. Otherwise GCC
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40 * nags, even though we instruct it to ignore -Wunknown-pragmas. ¯\_(ツ)_/¯
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41 *
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42 * - Within each category, keep sorted.
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43 *
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44 * - Warnings whose scope can be expanded in future compiler versions shall
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45 * be declared as "warning". Otherwise, either ignored or error.
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46 */
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47
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48 /* Setup. Don't sort order within this category. */
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49 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
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50 #pragma GCC diagnostic warning "-Wall"
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51 #pragma GCC diagnostic warning "-Wextra"
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52 #endif
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53 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
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54 #pragma GCC diagnostic ignored "-Wpragmas"
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55 #pragma GCC diagnostic ignored "-Wunknown-pragmas"
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56 #pragma GCC diagnostic ignored "-Wunknown-warning-option"
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57 #endif
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58 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
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59 //#pragma GCC diagnostic warning "-Weverything"
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60 #endif
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61
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62 /* Error. Should never happen. */
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63 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR
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64 #pragma GCC diagnostic error "-Wbitwise-instead-of-logical"
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65 #pragma GCC diagnostic error "-Wcast-align"
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66 #pragma GCC diagnostic error "-Wcast-function-type"
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67 #pragma GCC diagnostic error "-Wcomma"
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68 #pragma GCC diagnostic error "-Wdelete-non-virtual-dtor"
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69 #pragma GCC diagnostic error "-Wembedded-directive"
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70 #pragma GCC diagnostic error "-Wextra-semi-stmt"
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71 #pragma GCC diagnostic error "-Wformat-security"
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72 #pragma GCC diagnostic error "-Wimplicit-function-declaration"
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73 #pragma GCC diagnostic error "-Winit-self"
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74 #pragma GCC diagnostic error "-Winjected-class-name"
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75 #pragma GCC diagnostic error "-Wmissing-braces"
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76 #pragma GCC diagnostic error "-Wmissing-declarations"
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77 #pragma GCC diagnostic error "-Wmissing-prototypes"
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78 #pragma GCC diagnostic error "-Wnarrowing"
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79 #pragma GCC diagnostic error "-Wnested-externs"
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80 #pragma GCC diagnostic error "-Wold-style-definition"
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81 #pragma GCC diagnostic error "-Wpointer-arith"
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82 #pragma GCC diagnostic error "-Wredundant-decls"
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83 #pragma GCC diagnostic error "-Wreorder"
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84 #pragma GCC diagnostic error "-Wsign-compare"
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85 #pragma GCC diagnostic error "-Wstrict-prototypes"
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86 #pragma GCC diagnostic error "-Wstring-conversion"
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87 #pragma GCC diagnostic error "-Wswitch-enum"
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88 #pragma GCC diagnostic error "-Wtautological-overlap-compare"
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89 #pragma GCC diagnostic error "-Wunneeded-internal-declaration"
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90 #pragma GCC diagnostic error "-Wunused"
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91 #pragma GCC diagnostic error "-Wunused-local-typedefs"
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92 #pragma GCC diagnostic error "-Wunused-value"
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93 #pragma GCC diagnostic error "-Wunused-variable"
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94 #pragma GCC diagnostic error "-Wvla"
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95 #pragma GCC diagnostic error "-Wwrite-strings"
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96 #endif
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97
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98 /* Warning. To be investigated if happens. */
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99 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
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100 #pragma GCC diagnostic warning "-Wbuiltin-macro-redefined"
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101 #pragma GCC diagnostic warning "-Wdeprecated"
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102 #pragma GCC diagnostic warning "-Wdeprecated-declarations"
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103 #pragma GCC diagnostic warning "-Wdisabled-optimization"
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104 #pragma GCC diagnostic warning "-Wdouble-promotion"
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105 #pragma GCC diagnostic warning "-Wformat=2"
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106 #pragma GCC diagnostic warning "-Wignored-pragma-optimize"
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107 #pragma GCC diagnostic warning "-Wlogical-op"
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108 #pragma GCC diagnostic warning "-Wmaybe-uninitialized"
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109 #pragma GCC diagnostic warning "-Wmissing-format-attribute"
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110 #pragma GCC diagnostic warning "-Wundef"
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111 #pragma GCC diagnostic warning "-Wunused-but-set-variable"
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112 #endif
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113
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114 /* Ignored currently, but should be fixed at some point. */
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115 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
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116 #pragma GCC diagnostic ignored "-Wconversion" // TODO fix
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117 #pragma GCC diagnostic ignored "-Wformat-signedness" // TODO fix
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118 #pragma GCC diagnostic ignored "-Wshadow" // TODO fix
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119 #pragma GCC diagnostic ignored "-Wunsafe-loop-optimizations" // TODO fix
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120 #pragma GCC diagnostic ignored "-Wunused-parameter" // TODO fix
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121 #if defined(__GNUC__) && !defined(__clang__)
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122 #pragma GCC diagnostic ignored "-Wunused-result" // TODO fix
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123 #endif
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124 #endif
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125
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126 /* Ignored intentionally. */
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127 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
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128 #pragma GCC diagnostic ignored "-Wclass-memaccess"
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129 #pragma GCC diagnostic ignored "-Wcast-function-type-strict" // https://github.com/harfbuzz/harfbuzz/pull/3859#issuecomment-1295409126
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130 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
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131 #pragma GCC diagnostic ignored "-Wformat-zero-length"
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132 #pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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133 #pragma GCC diagnostic ignored "-Wpacked" // Erratic impl in clang
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134 #pragma GCC diagnostic ignored "-Wrange-loop-analysis" // https://github.com/harfbuzz/harfbuzz/issues/2834
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135 #pragma GCC diagnostic ignored "-Wstrict-aliasing"
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136 #pragma GCC diagnostic ignored "-Wtype-limits"
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137 #pragma GCC diagnostic ignored "-Wc++11-compat" // only gcc raises it
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138 #endif
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139
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140 #endif
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141 #endif
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142
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143
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144 #include "hb-config.hh"
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145
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146
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147 /*
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148 * Following added based on what AC_USE_SYSTEM_EXTENSIONS adds to
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149 * config.h.in. Copied here for the convenience of those embedding
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150 * HarfBuzz and not using our build system.
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151 */
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152 /* Enable extensions on AIX 3, Interix. */
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153 #ifndef _ALL_SOURCE
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154 # define _ALL_SOURCE 1
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155 #endif
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156 /* Enable GNU extensions on systems that have them. */
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157 #ifndef _GNU_SOURCE
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158 # define _GNU_SOURCE 1
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159 #endif
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160 /* Enable threading extensions on Solaris. */
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161 #ifndef _POSIX_PTHREAD_SEMANTICS
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162 # define _POSIX_PTHREAD_SEMANTICS 1
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163 #endif
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164 /* Enable extensions on HP NonStop. */
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165 #ifndef _TANDEM_SOURCE
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166 # define _TANDEM_SOURCE 1
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167 #endif
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168 /* Enable general extensions on Solaris. */
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169 #ifndef __EXTENSIONS__
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170 # define __EXTENSIONS__ 1
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171 #endif
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172
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173 #if defined (_MSC_VER) && defined (HB_DLL_EXPORT)
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174 #define HB_EXTERN __declspec (dllexport) extern
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175 #endif
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176
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177 #include "hb.h"
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178 #define HB_H_IN
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179 #include "hb-ot.h"
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180 #define HB_OT_H_IN
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181 #include "hb-aat.h"
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182 #define HB_AAT_H_IN
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183
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184 #include <cassert>
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185 #include <cfloat>
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186 #include <climits>
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187 #if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES)
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188 # define _USE_MATH_DEFINES
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189 #endif
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190 #include <cmath>
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191 #include <cstdarg>
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192 #include <cstddef>
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193 #include <cstdio>
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194 #include <cstdlib>
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195 #include <cstring>
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196
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197 #if (defined(_MSC_VER) && _MSC_VER >= 1500) || defined(__MINGW32__)
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198 #ifdef __MINGW32_VERSION
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199 #ifndef WIN32_LEAN_AND_MEAN
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200 #define WIN32_LEAN_AND_MEAN 1
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201 #endif
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202 #else
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203 #include <intrin.h>
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204 #endif
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205 #endif
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206
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207 #ifdef _WIN32
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208 #include <windows.h>
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209 #include <winapifamily.h>
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210 #endif
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211
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212 #define HB_PASTE1(a,b) a##b
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213 #define HB_PASTE(a,b) HB_PASTE1(a,b)
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214
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215
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216 /* Compile-time custom allocator support. */
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217
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218 #if !defined(HB_CUSTOM_MALLOC) \
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219 && defined(hb_malloc_impl) \
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220 && defined(hb_calloc_impl) \
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221 && defined(hb_realloc_impl) \
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222 && defined(hb_free_impl)
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223 #define HB_CUSTOM_MALLOC
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224 #endif
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225
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226 #ifdef HB_CUSTOM_MALLOC
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227 extern "C" void* hb_malloc_impl(size_t size);
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228 extern "C" void* hb_calloc_impl(size_t nmemb, size_t size);
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229 extern "C" void* hb_realloc_impl(void *ptr, size_t size);
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230 extern "C" void hb_free_impl(void *ptr);
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231 #define hb_malloc hb_malloc_impl
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232 #define hb_calloc hb_calloc_impl
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233 #define hb_realloc hb_realloc_impl
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234 #define hb_free hb_free_impl
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235 #else
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236 #define hb_malloc malloc
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237 #define hb_calloc calloc
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238 #define hb_realloc realloc
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239 #define hb_free free
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240 #endif
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241
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242
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243 /*
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244 * Compiler attributes
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245 */
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246
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247 #if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
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248 #define likely(expr) (__builtin_expect (!!(expr), 1))
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249 #define unlikely(expr) (__builtin_expect (!!(expr), 0))
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250 #else
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251 #define likely(expr) (expr)
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252 #define unlikely(expr) (expr)
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253 #endif
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254
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255 #if !defined(__GNUC__) && !defined(__clang__)
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256 #undef __attribute__
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257 #define __attribute__(x)
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258 #endif
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259
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260 #if defined(__GNUC__) && (__GNUC__ >= 3)
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261 #define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
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262 #else
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263 #define HB_PRINTF_FUNC(format_idx, arg_idx)
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264 #endif
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265 #if defined(__GNUC__) && (__GNUC__ >= 4) || (__clang__)
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266 #define HB_UNUSED __attribute__((unused))
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267 #elif defined(_MSC_VER) /* https://github.com/harfbuzz/harfbuzz/issues/635 */
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268 #define HB_UNUSED __pragma(warning(suppress: 4100 4101))
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269 #else
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270 #define HB_UNUSED
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271 #endif
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272
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273 #ifndef HB_INTERNAL
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274 # if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(_MSC_VER) && !defined(__SUNPRO_CC)
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275 # define HB_INTERNAL __attribute__((__visibility__("hidden")))
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276 # elif defined(__MINGW32__)
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277 /* We use -export-symbols on mingw32, since it does not support visibility attributes. */
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278 # define HB_INTERNAL
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279 # elif defined (_MSC_VER) && defined (HB_DLL_EXPORT)
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280 /* We do not try to export internal symbols on Visual Studio */
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281 # define HB_INTERNAL
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282 #else
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283 # define HB_INTERNAL
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284 # define HB_NO_VISIBILITY 1
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285 # endif
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286 #endif
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287
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288 /* https://github.com/harfbuzz/harfbuzz/issues/1651 */
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289 #if defined(__clang__) && __clang_major__ < 10
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290 #define static_const static
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291 #else
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292 #define static_const static const
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293 #endif
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294
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295 #if defined(__GNUC__) && (__GNUC__ >= 3)
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296 #define HB_FUNC __PRETTY_FUNCTION__
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297 #elif defined(_MSC_VER)
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298 #define HB_FUNC __FUNCSIG__
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299 #else
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300 #define HB_FUNC __func__
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301 #endif
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302
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303 #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140)
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304 /* https://github.com/harfbuzz/harfbuzz/issues/630 */
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305 #define __restrict
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306 #endif
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307
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308 /*
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309 * Borrowed from https://bugzilla.mozilla.org/show_bug.cgi?id=1215411
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310 * HB_FALLTHROUGH is an annotation to suppress compiler warnings about switch
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311 * cases that fall through without a break or return statement. HB_FALLTHROUGH
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312 * is only needed on cases that have code:
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313 *
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314 * switch (foo) {
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315 * case 1: // These cases have no code. No fallthrough annotations are needed.
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316 * case 2:
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317 * case 3:
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318 * foo = 4; // This case has code, so a fallthrough annotation is needed:
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319 * HB_FALLTHROUGH;
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320 * default:
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321 * return foo;
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322 * }
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323 */
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324 #if defined(__clang__) && __cplusplus >= 201103L
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325 /* clang's fallthrough annotations are only available starting in C++11. */
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326 # define HB_FALLTHROUGH [[clang::fallthrough]]
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327 #elif defined(__GNUC__) && (__GNUC__ >= 7)
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328 /* GNU fallthrough attribute is available from GCC7 */
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329 # define HB_FALLTHROUGH __attribute__((fallthrough))
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330 #elif defined(_MSC_VER)
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331 /*
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332 * MSVC's __fallthrough annotations are checked by /analyze (Code Analysis):
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333 * https://msdn.microsoft.com/en-us/library/ms235402%28VS.80%29.aspx
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334 */
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335 # include <sal.h>
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336 # define HB_FALLTHROUGH __fallthrough
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337 #else
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338 # define HB_FALLTHROUGH /* FALLTHROUGH */
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339 #endif
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340
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341 /* A tag to enforce use of return value for a function */
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342 #if __cplusplus >= 201703L
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343 # define HB_NODISCARD [[nodiscard]]
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344 #elif defined(__GNUC__) || defined(__clang__)
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345 # define HB_NODISCARD __attribute__((warn_unused_result))
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346 #elif defined(_MSC_VER)
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347 # define HB_NODISCARD _Check_return_
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348 #else
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349 # define HB_NODISCARD
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350 #endif
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351
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352 /* https://github.com/harfbuzz/harfbuzz/issues/1852 */
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353 #if defined(__clang__) && !(defined(_AIX) && (defined(__IBMCPP__) || defined(__ibmxl__)))
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354 /* Disable certain sanitizer errors. */
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355 /* https://github.com/harfbuzz/harfbuzz/issues/1247 */
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356 #define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW __attribute__((no_sanitize("signed-integer-overflow")))
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357 #else
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358 #define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
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359 #endif
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360
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361
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362 #ifdef _WIN32
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363 /* We need Windows Vista for both Uniscribe backend and for
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364 * MemoryBarrier. We don't support compiling on Windows XP,
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365 * though we run on it fine. */
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366 # if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
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367 # undef _WIN32_WINNT
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368 # endif
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369 # ifndef _WIN32_WINNT
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370 # if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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371 # define _WIN32_WINNT 0x0600
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372 # endif
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373 # endif
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374 # ifndef WIN32_LEAN_AND_MEAN
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375 # define WIN32_LEAN_AND_MEAN 1
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376 # endif
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377 # ifndef STRICT
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378 # define STRICT 1
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379 # endif
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380
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381 # if defined(_WIN32_WCE)
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382 /* Some things not defined on Windows CE. */
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383 # define vsnprintf _vsnprintf
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384 # ifndef HB_NO_GETENV
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385 # define HB_NO_GETENV
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386 # endif
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387 # if _WIN32_WCE < 0x800
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388 # define HB_NO_SETLOCALE
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389 # define HB_NO_ERRNO
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390 # endif
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391 # elif !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
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392 # ifndef HB_NO_GETENV
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393 # define HB_NO_GETENV
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394 # endif
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395 # endif
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396 # if defined(_MSC_VER) && _MSC_VER < 1900
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diff changeset
397 # define snprintf _snprintf
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
398 # endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
399 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
400
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401 #ifdef HB_NO_GETENV
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
402 #define getenv(Name) nullptr
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
403 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
404
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
405 #ifndef HB_NO_ERRNO
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
406 # include <cerrno>
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
407 #else
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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diff changeset
408 static int HB_UNUSED _hb_errno = 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
409 # undef errno
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
410 # define errno _hb_errno
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
411 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
412
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
413 #define HB_STMT_START do
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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diff changeset
414 #define HB_STMT_END while (0)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
415
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
416 #if defined(HAVE_ATEXIT) && !defined(HB_USE_ATEXIT)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
417 /* atexit() is only safe to be called from shared libraries on certain
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
418 * platforms. Whitelist.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
419 * https://bugs.freedesktop.org/show_bug.cgi?id=82246 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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diff changeset
420 # if defined(__linux) && defined(__GLIBC_PREREQ)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
421 # if __GLIBC_PREREQ(2,3)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 /* From atexit() manpage, it's safe with glibc 2.2.3 on Linux. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423 # define HB_USE_ATEXIT 1
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
424 # endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 # elif defined(_MSC_VER) || defined(__MINGW32__)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
426 /* For MSVC:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 * https://msdn.microsoft.com/en-us/library/tze57ck3.aspx
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
428 * https://msdn.microsoft.com/en-us/library/zk17ww08.aspx
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
429 * mingw32 headers say atexit is safe to use in shared libraries.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
430 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431 # define HB_USE_ATEXIT 1
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
432 # elif defined(__ANDROID__)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
433 /* This is available since Android NKD r8 or r8b:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
434 * https://issuetracker.google.com/code/p/android/issues/detail?id=6455
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
435 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
436 # define HB_USE_ATEXIT 1
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
437 # elif defined(__APPLE__)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
438 /* For macOS and related platforms, the atexit man page indicates
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
439 * that it will be invoked when the library is unloaded, not only
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440 * at application exit.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
441 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
442 # define HB_USE_ATEXIT 1
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443 # endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
444 #endif /* defined(HAVE_ATEXIT) && !defined(HB_USE_ATEXIT) */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
445 #ifdef HB_NO_ATEXIT
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
446 # undef HB_USE_ATEXIT
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
447 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
448 #ifndef HB_USE_ATEXIT
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
449 # define HB_USE_ATEXIT 0
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
450 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
451 #ifndef hb_atexit
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
452 #if !HB_USE_ATEXIT
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
453 # define hb_atexit(_) HB_STMT_START { if (0) (_) (); } HB_STMT_END
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
454 #else /* HB_USE_ATEXIT */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
455 # ifdef HAVE_ATEXIT
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
456 # define hb_atexit atexit
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
457 # else
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
458 template <void (*function) (void)> struct hb_atexit_t { ~hb_atexit_t () { function (); } };
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
459 # define hb_atexit(f) static hb_atexit_t<f> _hb_atexit_##__LINE__;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
460 # endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
461 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
462 #endif
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
463
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
464 /* Lets assert int types. Saves trouble down the road. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
465 static_assert ((sizeof (hb_codepoint_t) == 4), "");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
466 static_assert ((sizeof (hb_position_t) == 4), "");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
467 static_assert ((sizeof (hb_mask_t) == 4), "");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
468 static_assert ((sizeof (hb_var_int_t) == 4), "");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
469
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
470
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
471 /* Headers we include for everyone. Keep topologically sorted by dependency.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
472 * They express dependency amongst themselves, but no other file should include
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
473 * them directly.*/
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
474 #include "hb-cplusplus.hh"
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
475 #include "hb-meta.hh"
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
476 #include "hb-mutex.hh"
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
477 #include "hb-number.hh"
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
478 #include "hb-atomic.hh" // Requires: hb-meta
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
479 #include "hb-null.hh" // Requires: hb-meta
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
480 #include "hb-algs.hh" // Requires: hb-meta hb-null hb-number
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
481 #include "hb-iter.hh" // Requires: hb-algs hb-meta
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
482 #include "hb-debug.hh" // Requires: hb-algs hb-atomic
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
483 #include "hb-array.hh" // Requires: hb-algs hb-iter hb-null
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
484 #include "hb-vector.hh" // Requires: hb-array hb-null
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
485 #include "hb-object.hh" // Requires: hb-atomic hb-mutex hb-vector
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
486
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
487 #endif /* HB_HH */