Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/src/tool_convert.c @ 32:72c1b70d4f5c

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author Franz Glasner <fzglas.hg@dom66.de>
date Sun, 21 Sep 2025 15:10:12 +0200
parents b50eed0cc0ef
children
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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22 #include "tool_setup.h"
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23
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24 #ifdef CURL_DOES_CONVERSIONS
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26 #ifdef HAVE_ICONV
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27 # include <iconv.h>
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28 #endif
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30 #include "tool_convert.h"
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32 #include "memdebug.h" /* keep this as LAST include */
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33
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34 #ifdef HAVE_ICONV
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35
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36 /* curl tool iconv conversion descriptors */
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37 static iconv_t inbound_cd = (iconv_t)-1;
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38 static iconv_t outbound_cd = (iconv_t)-1;
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39
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40 /* set default codesets for iconv */
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41 #ifndef CURL_ICONV_CODESET_OF_NETWORK
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42 # define CURL_ICONV_CODESET_OF_NETWORK "ISO8859-1"
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43 #endif
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44
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45 /*
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46 * convert_to_network() is a curl tool function to convert
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47 * from the host encoding to ASCII on non-ASCII platforms.
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48 */
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49 CURLcode convert_to_network(char *buffer, size_t length)
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50 {
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51 /* translate from the host encoding to the network encoding */
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52 char *input_ptr, *output_ptr;
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53 size_t res, in_bytes, out_bytes;
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54
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55 /* open an iconv conversion descriptor if necessary */
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56 if(outbound_cd == (iconv_t)-1) {
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57 outbound_cd = iconv_open(CURL_ICONV_CODESET_OF_NETWORK,
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58 CURL_ICONV_CODESET_OF_HOST);
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59 if(outbound_cd == (iconv_t)-1) {
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60 return CURLE_CONV_FAILED;
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61 }
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62 }
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63 /* call iconv */
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64 input_ptr = output_ptr = buffer;
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65 in_bytes = out_bytes = length;
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66 res = iconv(outbound_cd, &input_ptr, &in_bytes,
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67 &output_ptr, &out_bytes);
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68 if((res == (size_t)-1) || (in_bytes != 0)) {
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69 return CURLE_CONV_FAILED;
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70 }
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71
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72 return CURLE_OK;
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73 }
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74
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75 /*
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76 * convert_from_network() is a curl tool function
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77 * for performing ASCII conversions on non-ASCII platforms.
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78 */
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79 CURLcode convert_from_network(char *buffer, size_t length)
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80 {
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81 /* translate from the network encoding to the host encoding */
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82 char *input_ptr, *output_ptr;
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83 size_t res, in_bytes, out_bytes;
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84
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85 /* open an iconv conversion descriptor if necessary */
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86 if(inbound_cd == (iconv_t)-1) {
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87 inbound_cd = iconv_open(CURL_ICONV_CODESET_OF_HOST,
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88 CURL_ICONV_CODESET_OF_NETWORK);
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89 if(inbound_cd == (iconv_t)-1) {
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90 return CURLE_CONV_FAILED;
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91 }
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92 }
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93 /* call iconv */
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94 input_ptr = output_ptr = buffer;
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95 in_bytes = out_bytes = length;
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96 res = iconv(inbound_cd, &input_ptr, &in_bytes,
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97 &output_ptr, &out_bytes);
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98 if((res == (size_t)-1) || (in_bytes != 0)) {
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99 return CURLE_CONV_FAILED;
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100 }
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101
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102 return CURLE_OK;
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103 }
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104
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105 void convert_cleanup(void)
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106 {
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107 /* close iconv conversion descriptors */
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108 if(inbound_cd != (iconv_t)-1)
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109 (void)iconv_close(inbound_cd);
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parents:
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110 if(outbound_cd != (iconv_t)-1)
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111 (void)iconv_close(outbound_cd);
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112 }
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113
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114 #endif /* HAVE_ICONV */
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115
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116 char convert_char(curl_infotype infotype, char this_char)
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117 {
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parents:
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118 /* determine how this specific character should be displayed */
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parents:
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119 switch(infotype) {
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120 case CURLINFO_DATA_IN:
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121 case CURLINFO_DATA_OUT:
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122 case CURLINFO_SSL_DATA_IN:
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parents:
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123 case CURLINFO_SSL_DATA_OUT:
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parents:
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124 /* data, treat as ASCII */
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parents:
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125 if(this_char < 0x20 || this_char >= 0x7f) {
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:
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126 /* non-printable ASCII, use a replacement character */
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parents:
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127 return UNPRINTABLE_CHAR;
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parents:
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128 }
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parents:
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129 /* printable ASCII hex value: convert to host encoding */
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parents:
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130 (void)convert_from_network(&this_char, 1);
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parents:
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131 /* FALLTHROUGH */
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parents:
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132 default:
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parents:
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133 /* treat as host encoding */
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parents:
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134 if(ISPRINT(this_char)
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parents:
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135 && (this_char != '\t')
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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136 && (this_char != '\r')
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parents:
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137 && (this_char != '\n')) {
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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138 /* printable characters excluding tabs and line end characters */
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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139 return this_char;
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parents:
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140 }
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Franz Glasner <fzglas.hg@dom66.de>
parents:
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141 break;
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parents:
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142 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
143 /* non-printable, use a replacement character */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
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144 return UNPRINTABLE_CHAR;
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parents:
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145 }
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
146
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
147 #endif /* CURL_DOES_CONVERSIONS */