Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/leptonica/src/environ.h @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
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1 /*====================================================================*
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2 - Copyright (C) 2001 Leptonica. All rights reserved.
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3 -
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4 - Redistribution and use in source and binary forms, with or without
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5 - modification, are permitted provided that the following conditions
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6 - are met:
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7 - 1. Redistributions of source code must retain the above copyright
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8 - notice, this list of conditions and the following disclaimer.
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9 - 2. Redistributions in binary form must reproduce the above
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10 - copyright notice, this list of conditions and the following
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11 - disclaimer in the documentation and/or other materials
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12 - provided with the distribution.
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13 -
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14 - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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15 - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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16 - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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17 - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
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18 - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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19 - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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20 - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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21 - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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22 - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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23 - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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24 - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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25 *====================================================================*/
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27 #ifndef LEPTONICA_ENVIRON_H
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28 #define LEPTONICA_ENVIRON_H
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30 /*------------------------------------------------------------------------*
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31 * Defines and includes differ for Unix and Windows. Also for Windows, *
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32 * differentiate between conditionals based on platform and compiler. *
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33 * For platforms: *
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34 * _WIN32 => Windows, 32- or 64-bit *
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35 * _WIN64 => Windows, 64-bit only *
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36 * __CYGWIN__ => Cygwin *
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37 * For compilers: *
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38 * __GNUC__ => gcc *
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39 * _MSC_VER => msvc *
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40 *------------------------------------------------------------------------*/
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42 /* MS VC++ does not provide stdint.h, so define the missing types here */
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45 #ifndef _MSC_VER
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46 #include <stdint.h>
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47
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48 #else
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49 /* Note that _WIN32 is defined for both 32 and 64 bit applications,
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50 whereas _WIN64 is defined only for the latter */
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52 #ifdef _WIN64
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53 typedef __int64 intptr_t;
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54 typedef unsigned __int64 uintptr_t;
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55 #else
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56 typedef int intptr_t;
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57 typedef unsigned int uintptr_t;
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58 #endif
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60 /* VC++6 doesn't seem to have powf, expf. */
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61 #if (_MSC_VER < 1400)
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62 #define powf(x, y) (float)pow((double)(x), (double)(y))
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63 #define expf(x) (float)exp((double)(x))
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64 #endif
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65
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66 #endif /* _MSC_VER */
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68 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && !defined(__STDC_NO_ATOMICS__)
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69 #include <stdatomic.h>
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70 typedef atomic_int l_atomic;
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71 #else
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72 typedef int l_atomic;
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73 #endif
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75 #ifndef LEPT_DLL
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76 /* Windows specifics */
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77 #ifdef _WIN32
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78 /* DLL EXPORTS and IMPORTS */
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79 #if defined(LIBLEPT_EXPORTS)
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80 #define LEPT_DLL __declspec(dllexport)
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81 #elif defined(LIBLEPT_IMPORTS)
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82 #define LEPT_DLL __declspec(dllimport)
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83 #else
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84 #define LEPT_DLL
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85 #endif
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86 #else /* non-Windows specifics */
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87 #define LEPT_DLL
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88 #endif /* _WIN32 */
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89 #endif /* LEPT_DLL */
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90
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91 #ifndef _WIN32 /* non-Windows specifics */
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92 #include <stdint.h>
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93 #endif /* _WIN32 */
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94
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95 #ifdef __APPLE__
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96 #include <Availability.h>
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97 #endif /* __APPLE__ */
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98
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99 typedef intptr_t l_intptr_t;
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100 typedef uintptr_t l_uintptr_t;
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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 * USER CONFIGURABLE *
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106 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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107 * Environment variables with I/O libraries *
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108 * Manual Configuration Only: NOT AUTO_CONF *
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109 *--------------------------------------------------------------------*/
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110 /*
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111 * Leptonica provides interfaces to link to several external image
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112 * I/O libraries, plus zlib. Setting any of these to 0 here causes
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113 * non-functioning stubs to be linked.
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114 */
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115 #if !defined(HAVE_CONFIG_H) && !defined(ANDROID_BUILD) && !defined(OS_IOS)
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116
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117 #if !defined(HAVE_LIBJPEG)
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118 #define HAVE_LIBJPEG 1
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119 #endif
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120 #if !defined(HAVE_LIBTIFF)
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121 #define HAVE_LIBTIFF 1
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122 #endif
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123 #if !defined(HAVE_LIBPNG)
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124 #define HAVE_LIBPNG 1
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125 #endif
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126 #if !defined(HAVE_LIBZ)
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127 #define HAVE_LIBZ 1
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128 #endif
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129 #if !defined(HAVE_LIBGIF)
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130 #define HAVE_LIBGIF 0
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131 #endif
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132 #if !defined(HAVE_LIBUNGIF)
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133 #define HAVE_LIBUNGIF 0
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134 #endif
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135 #if !defined(HAVE_LIBWEBP)
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136 #define HAVE_LIBWEBP 0
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137 #endif
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138 #if !defined(HAVE_LIBWEBP_ANIM)
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139 #define HAVE_LIBWEBP_ANIM 0
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140 #endif
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141 #if !defined(HAVE_LIBJP2K)
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142 #define HAVE_LIBJP2K 0
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143 #endif
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144
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145
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146 /*-----------------------------------------------------------------------*
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147 * Leptonica supports OpenJPEG 2.1+. If you have a version of openjpeg *
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148 * (HAVE_LIBJP2K == 1) that is >= 2.1, set the path to the openjpeg.h *
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149 * header in angle brackets here. *
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150 *-----------------------------------------------------------------------*/
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151 #define LIBJP2K_HEADER <openjpeg-2.5/openjpeg.h>
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152
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153 #endif /* ! HAVE_CONFIG_H etc. */
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154
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155 /*--------------------------------------------------------------------*
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156 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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157 * USER CONFIGURABLE *
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158 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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159 * Environ variables for image I/O without external libraries *
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160 *--------------------------------------------------------------------*/
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161 /*
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162 * Leptonica supplies I/O support without using external libraries for:
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163 * * image read/write for bmp, pnm
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164 * * header read for jp2k
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165 * * image wrapping write for pdf and ps.
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166 * Setting any of these to 0 causes non-functioning stubs to be linked.
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167 */
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168 #define USE_BMPIO 1
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169 #define USE_PNMIO 1
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170 #define USE_JP2KHEADER 1
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171 #define USE_PDFIO 1
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172 #define USE_PSIO 1
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173
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174
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175 /*-------------------------------------------------------------------------*
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176 * On linux, BSD, macOS (> 10.12), android (sdk >= 23) and iOS(>= 11.0),
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177 * you can redirect writing data from a filestream to memory using
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178 * open_memstream() and redirect reading data from a filestream to
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179 * reading from memory using fmemopen().
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180 * Specifically, you can compress (write compressed data to memory
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181 * from raster data in a Pix) and uncompress (read from compressed data
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182 * in memory to raster data in a Pix).
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183 * For png, tiff and webp, data is compressed and uncompressed directly
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184 * to memory without the use of the POSIX.1 (2008) functions fmemopen()
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185 * and open_memstream().
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186 * For jpeg, jp2k, gif, pnm and bmp, these functions are used on systems
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187 * that support them, and for those we define HAVE_FMEMOPEN to 1.
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188 *-------------------------------------------------------------------------*/
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189 #if !defined(HAVE_CONFIG_H) && \
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190 (!defined(ANDROID_BUILD) || __ANDROID_API__ >= 23) && \
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191 (!defined(__IPHONE_OS_VERSION_MIN_REQUIRED) || \
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192 __IPHONE_OS_VERSION_MIN_REQUIRED >= 110000) && \
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193 (!defined(__MAC_OS_X_VERSION_MIN_REQUIRED) || \
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194 __MAC_OS_X_VERSION_MIN_REQUIRED > 101200) && \
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195 !defined(_WIN32)
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196 #define HAVE_FMEMOPEN 1
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197 #endif /* ! HAVE_CONFIG_H etc. */
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198
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199 /*-------------------------------------------------------------------------*
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200 * fstatat() is defined by POSIX, but some systems do not support it. *
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201 * One example is older macOS systems (pre-10.10). *
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202 * Also, dirfd() is required by fstatat(). *
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203 * Play it safe and set the default values to 0. *
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204 *-------------------------------------------------------------------------*/
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205 #if !defined(HAVE_CONFIG_H)
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206 #define HAVE_FSTATAT 0
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207 #define HAVE_DIRFD 0
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208 #endif /* ! HAVE_CONFIG_H */
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209
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210 /*--------------------------------------------------------------------*
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211 * It is desirable on Windows to have all temp files written to the same
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212 * subdirectory of the Windows <Temp> directory, because files under <Temp>
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213 * persist after reboot, and the regression tests write a lot of files.
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214 * We write all test files to /tmp/lept or subdirectories of /tmp/lept.
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215 * Windows temp files are specified as in unix, but have the translation
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216 * /tmp/lept/xxx --> <Temp>/lept/xxx
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217 *--------------------------------------------------------------------*/
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218
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219
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220 /*--------------------------------------------------------------------*
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221 * Built-in types *
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222 *--------------------------------------------------------------------*/
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223 typedef int l_ok; /*!< return 0 if OK, 1 on error */
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224 typedef signed char l_int8; /*!< signed 8-bit value */
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225 typedef unsigned char l_uint8; /*!< unsigned 8-bit value */
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226 typedef short l_int16; /*!< signed 16-bit value */
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227 typedef unsigned short l_uint16; /*!< unsigned 16-bit value */
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228 typedef int l_int32; /*!< signed 32-bit value */
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229 typedef unsigned int l_uint32; /*!< unsigned 32-bit value */
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230 typedef float l_float32; /*!< 32-bit floating point value */
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231 typedef double l_float64; /*!< 64-bit floating point value */
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232 #ifdef COMPILER_MSVC
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233 typedef __int64 l_int64; /*!< signed 64-bit value */
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234 typedef unsigned __int64 l_uint64; /*!< unsigned 64-bit value */
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235 #else
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236 typedef long long l_int64; /*!< signed 64-bit value */
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237 typedef unsigned long long l_uint64; /*!< unsigned 64-bit value */
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238 #endif /* COMPILER_MSVC */
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239
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240
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241 /*-------------------------------------------------------------------------*
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242 * For security, the library is distributed in a configuration that does *
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243 * not permit (1) forking with 'system', which is used for displaying *
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244 * images and generating gnuplots, and (2) writing files with specified *
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245 * compiled-in file names. All such writes are with functions such as *
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246 * pixWriteDebug() where the "Debug" is appended to the usual name. *
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247 * Whether the "Debug" version defaults to the standard version or is a *
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248 * no-op depends on the value of this global variable. The default value *
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249 * of LeptDebugOK is 0, and it is set in writefile.c. This value can be *
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250 * over-ridden, for development and debugging, by setLeptDebugOK(). *
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251 *-------------------------------------------------------------------------*/
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252 LEPT_DLL extern l_int32 LeptDebugOK; /* default is 0 */
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253
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254
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255 /*------------------------------------------------------------------------*
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256 * Standard macros *
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257 *------------------------------------------------------------------------*/
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258 #ifndef L_MIN
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259 /*! Minimum of %x and %y */
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260 #define L_MIN(x, y) (((x) < (y)) ? (x) : (y))
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261 #endif
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262
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263 #ifndef L_MAX
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264 /*! Maximum of %x and %y */
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265 #define L_MAX(x, y) (((x) > (y)) ? (x) : (y))
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266 #endif
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267
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268 #ifndef L_ABS
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269 /*! Absolute value of %x */
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270 #define L_ABS(x) (((x) < 0) ? (-1 * (x)) : (x))
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271 #endif
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272
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273 #ifndef L_SIGN
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274 /*! Sign of %x */
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275 #define L_SIGN(x) (((x) < 0) ? -1 : 1)
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276 #endif
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277
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278 #ifndef UNDEF
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279 /*! Undefined value */
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280 #define UNDEF -1
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281 #endif
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282
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283 #ifndef NULL
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284 /*! NULL value */
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285 #define NULL 0
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286 #endif
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287
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288 #ifndef TRUE
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289 /*! True value */
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290 #define TRUE 1
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291 #endif
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292
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293 #ifndef FALSE
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294 /*! False value */
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295 #define FALSE 0
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296 #endif
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297
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298
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299 /*--------------------------------------------------------------------*
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300 * Environment variables for endian dependence *
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301 *--------------------------------------------------------------------*/
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302 /*
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303 * To control conditional compilation, one of two variables
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304 *
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305 * L_LITTLE_ENDIAN (e.g., for Intel X86)
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306 * L_BIG_ENDIAN (e.g., for Sun SPARC, Mac Power PC)
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307 *
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308 * is defined when the GCC compiler is invoked.
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309 * All code should compile properly for both hardware architectures.
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310 */
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311
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312
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313 /*------------------------------------------------------------------------*
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314 * Simple search state variables *
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315 *------------------------------------------------------------------------*/
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316 /*! Search State */
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317 enum {
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318 L_NOT_FOUND = 0,
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319 L_FOUND = 1
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320 };
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321
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322
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323 /*------------------------------------------------------------------------*
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324 * Path separator conversion *
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325 *------------------------------------------------------------------------*/
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326 /*! Path Separators */
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327 enum {
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328 UNIX_PATH_SEPCHAR = 0,
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329 WIN_PATH_SEPCHAR = 1
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330 };
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331
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332
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333 /*------------------------------------------------------------------------*
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334 * Timing structs *
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335 *------------------------------------------------------------------------*/
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336 typedef void *L_TIMER;
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337
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338 /*! Timing struct */
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339 struct L_WallTimer {
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340 l_int32 start_sec;
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341 l_int32 start_usec;
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342 l_int32 stop_sec;
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343 l_int32 stop_usec;
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344 };
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345 typedef struct L_WallTimer L_WALLTIMER;
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346
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347
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348 /*------------------------------------------------------------------------*
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349 * Standard memory allocation *
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350 * *
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351 * All default heap allocation is through the system malloc and free. *
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352 * *
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353 * Leptonica also provides non-default allocation in two situations: *
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354 * *
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355 * (1) A special allocator/deallocator pair can be provided for the *
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356 * pix image data array. This might be useful to prevent memory *
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357 * fragmentation when large images are repeatedly allocated and *
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358 * freed. See the PixMemoryManager in pix1.c for details, *
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359 * where the default is defined. *
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360 * *
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361 * (2) Special allocator/deallocators can be provided for ALL heap *
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362 * allocation if required, for example, for embedded systems. *
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363 * For such builds, define LEPTONICA_INTERCEPT_ALLOC, and provide *
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364 * custom leptonica_{malloc, calloc, realloc, free} functions. *
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365 *------------------------------------------------------------------------*/
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366 #ifdef LEPTONICA_INTERCEPT_ALLOC
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367 #define LEPT_MALLOC(blocksize) leptonica_malloc(blocksize)
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368 #define LEPT_CALLOC(numelem, elemsize) leptonica_calloc(numelem, elemsize)
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369 #define LEPT_REALLOC(ptr, blocksize) leptonica_realloc(ptr, blocksize)
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370 #define LEPT_FREE(ptr) leptonica_free(ptr)
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371 void *leptonica_malloc(size_t blocksize);
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372 void *leptonica_calloc(size_t numelem, size_t elemsize);
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373 void *leptonica_realloc(void *ptr, size_t blocksize);
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374 void leptonica_free(void *ptr);
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375 #else
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376 #define LEPT_MALLOC(blocksize) malloc(blocksize)
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377 #define LEPT_CALLOC(numelem, elemsize) calloc(numelem, elemsize)
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378 #define LEPT_REALLOC(ptr, blocksize) realloc(ptr, blocksize)
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379 #define LEPT_FREE(ptr) free(ptr)
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380 #endif /* LEPTONICA_INTERCEPT_ALLOC */
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381
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382 /*------------------------------------------------------------------------*
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383 * Control printing of error, warning, and info messages *
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384 * *
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385 * Leptonica never sends output to stdout. By default, all messages *
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386 * go to stderr. However, we provide a mechanism for runtime *
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387 * redirection of output, using a custom stderr handler defined *
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388 * by the user. See utils1.c for details and examples. *
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389 * *
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390 * To omit all messages to stderr, simply define NO_CONSOLE_IO on the *
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391 * command line. For finer grained control, we have a mechanism *
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392 * based on the message severity level. The following assumes that *
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393 * NO_CONSOLE_IO is not defined. *
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394 * *
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395 * Messages are printed if the message severity is greater than or equal *
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396 * to the current severity threshold. The current severity threshold *
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397 * is the greater of the compile-time severity, which is the minimum *
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398 * severity that can be reported, and the run-time severity, which is *
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diff changeset
399 * the severity threshold at the moment. *
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400 * *
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401 * The compile-time threshold determines which messages are compiled *
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parents:
diff changeset
402 * into the library for potential printing. Messages below the *
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 * compile-time threshold are omitted and can never be printed. The *
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 * default compile-time threshold is L_SEVERITY_INFO, but this may be *
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 * overridden by defining MINIMUM_SEVERITY to the desired enumeration *
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 * identifier on the compiler command line. Defining NO_CONSOLE_IO on *
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 * the command line is the same as setting MINIMUM_SEVERITY to *
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
408 * L_SEVERITY_NONE. *
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 * *
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 * The run-time threshold determines which messages are printed during *
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 * library execution. It defaults to the compile-time threshold but *
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 * may be changed either statically by defining DEFAULT_SEVERITY to *
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 * the desired enumeration identifier on the compiler command line, or *
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
414 * dynamically by calling setMsgSeverity() to specify a new threshold. *
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
415 * The run-time threshold may also be set from the value of the *
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 * environment variable LEPT_MSG_SEVERITY by calling setMsgSeverity() *
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
417 * and specifying L_SEVERITY_EXTERNAL. *
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 * *
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 * In effect, the compile-time threshold setting says, "Generate code *
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
420 * to permit messages of equal or greater severity than this to be *
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 * printed, if desired," whereas the run-time threshold setting says, *
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 * "Print messages that have an equal or greater severity than this." *
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 *------------------------------------------------------------------------*/
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
424
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 /*! Control printing of error, warning and info messages */
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 /*! Message Control */
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 enum {
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 L_SEVERITY_EXTERNAL = 0, /* Get the severity from the environment */
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 L_SEVERITY_ALL = 1, /* Lowest severity: print all messages */
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 L_SEVERITY_DEBUG = 2, /* Print debugging and higher messages */
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 L_SEVERITY_INFO = 3, /* Print informational and higher messages */
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
432 L_SEVERITY_WARNING = 4, /* Print warning and higher messages */
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
433 L_SEVERITY_ERROR = 5, /* Print error and higher messages */
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 L_SEVERITY_NONE = 6 /* Highest severity: print no messages */
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
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
437 /* No message less than the compile-time threshold will ever be
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
438 * reported, regardless of the current run-time threshold. This allows
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 * selection of the set of messages to include in the library. For
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 * example, setting the threshold to L_SEVERITY_WARNING eliminates all
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 * informational messages from the library. With that setting, both
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 * warning and error messages would be printed unless setMsgSeverity()
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 * was called, or DEFAULT_SEVERITY was redefined, to set the run-time
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 * severity to L_SEVERITY_ERROR. In that case, only error messages
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 * would be printed.
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 *
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 * This mechanism makes the library smaller and faster, by eliminating
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 * undesired message reporting and the associated run-time overhead for
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 * message threshold checking, because code for messages whose severity
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 * is lower than MINIMUM_SEVERITY won't be generated.
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 *
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 * A production library might typically permit ERROR messages to be
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 * generated, and a development library might permit DEBUG and higher.
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 * The actual messages printed (as opposed to generated) would depend
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 * on the current run-time severity threshold.
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 *
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 * This is a complex mechanism and a few examples may help.
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 * (1) No output permitted under any circumstances.
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 * Use: -DNO_CONSOLE_IO or -DMINIMUM_SEVERITY=6
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 * (2) Suppose you want to only allow error messages, and you don't
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 * want to permit info or warning messages at runtime.
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 * Use: -DMINIMUM_SEVERITY=5
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 * (3) Suppose you want to only allow error messages by default,
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 * but you will permit this to be over-ridden at runtime.
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 * Use: -DDEFAULT_SEVERITY=5
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 * and to allow info and warning override:
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 * setMsgSeverity(L_SEVERITY_INFO);
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 */
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 #ifdef NO_CONSOLE_IO
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 #undef MINIMUM_SEVERITY
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 #undef DEFAULT_SEVERITY
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
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 #define MINIMUM_SEVERITY L_SEVERITY_NONE /*!< Compile-time default */
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 #define DEFAULT_SEVERITY L_SEVERITY_NONE /*!< Run-time default */
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
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 #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
478 #ifndef MINIMUM_SEVERITY
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 #define MINIMUM_SEVERITY L_SEVERITY_INFO /*!< Compile-time default */
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 #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
481
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 #ifndef DEFAULT_SEVERITY
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 #define DEFAULT_SEVERITY MINIMUM_SEVERITY /*!< Run-time default */
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 #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
485 #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
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
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
488 /*! The run-time message severity threshold is defined in utils1.c. */
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
489 LEPT_DLL extern l_int32 LeptMsgSeverity;
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
490
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
491 /*
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
492 * <pre>
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
493 * Usage
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
494 * =====
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
495 * Messages are of three types.
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
496 *
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
497 * (1) The messages
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
498 * ERROR_INT(a,b,c) : returns l_int32
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
499 * ERROR_FLOAT(a,b,c) : returns l_float32
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
500 * ERROR_PTR(a,b,c) : returns void*
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
501 * are used to return from functions and take three parameters:
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
502 * a : <message string>
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
503 * b : __func__ (the procedure name)
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
504 * c : <return value from 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
505 * A newline is added by the function after the message.
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
506 *
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
507 * (2) The messages
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
508 * ERROR_INT_1(a,f,b,c) : returns l_int32
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
509 * ERROR_FLOAT_1(a,f,b,c) : returns l_float32
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
510 * ERROR_PTR_1(a,f,b,c) : returns void*
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
511 * are used to return from functions and take four parameters:
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
512 * a : <message string>
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
513 * f : <second message string> (typically, a filename for an fopen()))
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
514 * b : __func__ (the procedure name)
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
515 * c : <return value from 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
516 * A newline is added by the function after the message.
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
517 *
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
518 * (3) The purely informational L_* messages
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
519 * L_ERROR(a,...)
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
520 * L_WARNING(a,...)
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
521 * L_INFO(a,...)
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
522 * do not take a return value, but they take at least two parameters:
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
523 * a : <message string> with optional format conversions
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
524 * v1 : procName (this must be included as the first vararg)
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
525 * v2, ... : optional varargs to match format converters in the message
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
526 * Unlike the messages that return a value in (2) and (3) above,
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
527 * here a newline needs to be included at the end of the message string.
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
528 *
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
529 * To return an error from a function that returns void, use:
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
530 * L_ERROR(<message string>, procName, [...])
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
531 * return;
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
532 *
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
533 * Implementation details
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
534 * ======================
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
535 * Messages are defined with the IF_SEV macro. The first parameter is
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
536 * the message severity, the second is the function to call if the
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
537 * message is to be printed, and the third is the return value if the
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
538 * message is to be suppressed. For example, we might have an
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
539 * informational message defined as:
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
540 *
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
541 * IF_SEV(L_SEVERITY_INFO, fprintf(.......), 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
542 *
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
543 * The macro expands into a conditional. Because the first comparison
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
544 * is between two constants, an optimizing compiler will remove either
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
545 * the comparison (if it's true) or the entire macro expansion (if it
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
546 * is false). This means that there is no run-time overhead for
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
547 * messages whose severity falls below the minimum specified at compile
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
548 * time, and for others the overhead is one (not two) comparisons.
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
549 *
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
550 * The L_nnn() macros below do not return a value, but because the
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
551 * conditional operator requires one for the false condition, we
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
552 * specify a void expression.
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
553 * </pre>
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
554 */
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
555
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
556 #ifdef NO_CONSOLE_IO
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
557
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
558 #define PROCNAME(name)
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
559 #define ERROR_INT(a, b, c) ((l_int32)(c))
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
560 #define ERROR_FLOAT(a, b, c) ((l_float32)(c))
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
561 #define ERROR_PTR(a, b, c) ((void *)(c))
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
562 #define ERROR_INT_1(a, f, b, c) ((l_int32)(c))
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
563 #define ERROR_FLOAT_1(a, f, b, c) ((l_float32)(c))
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
564 #define ERROR_PTR_1(a, f, b, c) ((void *)(c))
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
565 #define L_ERROR(a, ...)
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
566 #define L_WARNING(a, ...)
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
567 #define L_INFO(a, ...)
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
568
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
569 #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
570
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
571 #define PROCNAME(name) static const char procName[] = name
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
572 #define IF_SEV(l, t, f) \
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
573 ((l) >= MINIMUM_SEVERITY && (l) >= LeptMsgSeverity ? (t) : (f))
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
574
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
575 #define ERROR_INT(a, b, c) \
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
576 IF_SEV(L_SEVERITY_ERROR, returnErrorInt((a), (b), (c)), (l_int32)(c))
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
577 #define ERROR_FLOAT(a, b, c) \
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
578 IF_SEV(L_SEVERITY_ERROR, returnErrorFloat((a), (b), (c)), (l_float32)(c))
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
579 #define ERROR_PTR(a, b, c) \
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
580 IF_SEV(L_SEVERITY_ERROR, returnErrorPtr((a), (b), (c)), (void *)(c))
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
581
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
582 #define ERROR_INT_1(a, f, b, c) \
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
583 IF_SEV(L_SEVERITY_ERROR, returnErrorInt1((a), (f), (b), (c)), \
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
584 (l_int32)(c))
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
585 #define ERROR_FLOAT_1(a, f, b, c) \
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
586 IF_SEV(L_SEVERITY_ERROR, returnErrorFloat1((a), (f), (b), (c)), \
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
587 (l_float32)(c))
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
588 #define ERROR_PTR_1(a, f, b, c) \
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
589 IF_SEV(L_SEVERITY_ERROR, returnErrorPtr1((a), (f), (b), (c)), \
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
590 (void *)(c))
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
591
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
592 #define L_ERROR(a, ...) \
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
593 IF_SEV(L_SEVERITY_ERROR, \
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
594 (void)lept_stderr("Error in %s: " a, __VA_ARGS__), \
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
595 (void)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
596 #define L_WARNING(a, ...) \
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
597 IF_SEV(L_SEVERITY_WARNING, \
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598 (void)lept_stderr("Warning in %s: " a, __VA_ARGS__), \
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599 (void)0)
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600 #define L_INFO(a, ...) \
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601 IF_SEV(L_SEVERITY_INFO, \
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602 (void)lept_stderr("Info in %s: " a, __VA_ARGS__), \
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603 (void)0)
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604
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605 #if 0 /* Alternative method for controlling L_* message output */
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606 #define L_ERROR(a, ...) \
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607 { if (L_SEVERITY_ERROR >= MINIMUM_SEVERITY && \
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608 L_SEVERITY_ERROR >= LeptMsgSeverity) \
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609 lept_stderr("Error in %s: " a, __VA_ARGS__) \
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610 }
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611 #define L_WARNING(a, ...) \
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612 { if (L_SEVERITY_WARNING >= MINIMUM_SEVERITY && \
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613 L_SEVERITY_WARNING >= LeptMsgSeverity) \
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diff changeset
614 lept_stderr("Warning in %s: " a, __VA_ARGS__) \
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615 }
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616 #define L_INFO(a, ...) \
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617 { if (L_SEVERITY_INFO >= MINIMUM_SEVERITY && \
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618 L_SEVERITY_INFO >= LeptMsgSeverity) \
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diff changeset
619 lept_stderr("Info in %s: " a, __VA_ARGS__) \
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620 }
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621 #endif
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622
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parents:
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623 #endif /* NO_CONSOLE_IO */
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diff changeset
624
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parents:
diff changeset
625
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
626 /*------------------------------------------------------------------------*
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627 * snprintf() renamed in MSVC (pre-VS2015) *
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parents:
diff changeset
628 *------------------------------------------------------------------------*/
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parents:
diff changeset
629 #if defined _MSC_VER && _MSC_VER < 1900
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diff changeset
630 #define snprintf(buf, size, ...) _snprintf_s(buf, size, _TRUNCATE, __VA_ARGS__)
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
631 #endif
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
632
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
633
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
634 #endif /* LEPTONICA_ENVIRON_H */