Mercurial > embed
annotate libzip/lib/zipint.h @ 63:b3c185090dc2
cmake: use BUILD_INTERFACE, closes #881 @10m
author | David Demelier <markand@malikania.fr> |
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date | Fri, 13 Jul 2018 12:32:37 +0200 |
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rev | line source |
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1 #ifndef _HAD_ZIPINT_H |
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2 #define _HAD_ZIPINT_H |
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3 |
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4 /* |
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5 zipint.h -- internal declarations. |
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6 Copyright (C) 1999-2016 Dieter Baron and Thomas Klausner |
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7 |
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8 This file is part of libzip, a library to manipulate ZIP archives. |
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9 The authors can be contacted at <libzip@nih.at> |
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10 |
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11 Redistribution and use in source and binary forms, with or without |
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12 modification, are permitted provided that the following conditions |
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13 are met: |
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14 1. Redistributions of source code must retain the above copyright |
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15 notice, this list of conditions and the following disclaimer. |
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16 2. Redistributions in binary form must reproduce the above copyright |
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17 notice, this list of conditions and the following disclaimer in |
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18 the documentation and/or other materials provided with the |
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19 distribution. |
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20 3. The names of the authors may not be used to endorse or promote |
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21 products derived from this software without specific prior |
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22 written permission. |
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23 |
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24 THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS |
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25 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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26 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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27 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY |
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28 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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29 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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30 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
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32 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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33 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
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34 IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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35 */ |
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36 |
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37 #ifdef HAVE_CONFIG_H |
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38 #include "config.h" |
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39 #endif |
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40 |
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41 #include "compat.h" |
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42 |
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43 #include <zlib.h> |
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44 |
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45 #ifndef _ZIP_COMPILING_DEPRECATED |
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46 #define ZIP_DISABLE_DEPRECATED |
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47 #endif |
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48 |
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49 #include "zip.h" |
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50 |
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51 #define CENTRAL_MAGIC "PK\1\2" |
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52 #define LOCAL_MAGIC "PK\3\4" |
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53 #define EOCD_MAGIC "PK\5\6" |
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54 #define DATADES_MAGIC "PK\7\8" |
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55 #define EOCD64LOC_MAGIC "PK\6\7" |
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56 #define EOCD64_MAGIC "PK\6\6" |
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57 #define CDENTRYSIZE 46u |
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58 #define LENTRYSIZE 30 |
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59 #define MAXCOMLEN 65536 |
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60 #define MAXEXTLEN 65536 |
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61 #define EOCDLEN 22 |
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62 #define EOCD64LOCLEN 20 |
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63 #define EOCD64LEN 56 |
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64 #define CDBUFSIZE (MAXCOMLEN+EOCDLEN+EOCD64LOCLEN) |
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65 #define BUFSIZE 8192 |
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66 #define EFZIP64SIZE 28 |
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67 #define EF_WINZIP_AES_SIZE 7 |
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68 |
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69 #define ZIP_CM_REPLACED_DEFAULT (-2) |
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70 #define ZIP_CM_WINZIP_AES 99 /* Winzip AES encrypted */ |
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71 |
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72 #define ZIP_CM_IS_DEFAULT(x) ((x) == ZIP_CM_DEFAULT || (x) == ZIP_CM_REPLACED_DEFAULT) |
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73 #define ZIP_CM_ACTUAL(x) ((zip_uint16_t)(ZIP_CM_IS_DEFAULT(x) ? ZIP_CM_DEFLATE : (x))) |
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74 |
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75 #define ZIP_EF_UTF_8_COMMENT 0x6375 |
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76 #define ZIP_EF_UTF_8_NAME 0x7075 |
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77 #define ZIP_EF_WINZIP_AES 0x9901 |
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78 #define ZIP_EF_ZIP64 0x0001 |
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79 |
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80 #define ZIP_EF_IS_INTERNAL(id) ((id) == ZIP_EF_UTF_8_COMMENT || (id) == ZIP_EF_UTF_8_NAME || (id) == ZIP_EF_WINZIP_AES || (id) == ZIP_EF_ZIP64) |
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81 |
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82 /* according to unzip-6.0's zipinfo.c, this corresponds to a regular file with rw permissions for everyone */ |
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83 #define ZIP_EXT_ATTRIB_DEFAULT (0100666u<<16) |
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84 /* according to unzip-6.0's zipinfo.c, this corresponds to a directory with rwx permissions for everyone */ |
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85 #define ZIP_EXT_ATTRIB_DEFAULT_DIR (0040777u<<16) |
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86 |
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87 |
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88 #define ZIP_MAX(a, b) ((a) > (b) ? (a) : (b)) |
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89 #define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b)) |
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90 |
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91 /* This section contains API that won't materialize like this. It's |
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92 placed in the internal section, pending cleanup. */ |
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93 |
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94 /* flags for compression and encryption sources */ |
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95 |
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96 #define ZIP_CODEC_DECODE 0 /* decompress/decrypt (encode flag not set) */ |
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97 #define ZIP_CODEC_ENCODE 1 /* compress/encrypt */ |
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98 |
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99 typedef zip_source_t *(*zip_encryption_implementation)(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); |
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100 |
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101 zip_encryption_implementation _zip_get_encryption_implementation(zip_uint16_t method, int operation); |
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102 |
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103 enum zip_compression_status { |
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104 ZIP_COMPRESSION_OK, |
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105 ZIP_COMPRESSION_END, |
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106 ZIP_COMPRESSION_ERROR, |
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107 ZIP_COMPRESSION_NEED_DATA |
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108 }; |
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109 typedef enum zip_compression_status zip_compression_status_t; |
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110 |
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111 struct zip_compression_algorithm { |
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112 /* called once to create new context */ |
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113 void *(*allocate)(zip_uint16_t method, int compression_flags, zip_error_t *error); |
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114 /* called once to free context */ |
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115 void (*deallocate)(void *ctx); |
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116 |
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117 /* get compression specific general purpose bitflags */ |
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118 int (*compression_flags)(void *ctx); |
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119 |
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120 /* start processing */ |
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121 bool (*start)(void *ctx); |
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122 /* stop processing */ |
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123 bool (*end)(void *ctx); |
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124 |
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125 /* provide new input data, remains valid until next call to input or end */ |
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126 bool (*input)(void *ctx, zip_uint8_t *data, zip_uint64_t length); |
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127 |
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128 /* all input data has been provided */ |
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129 void (*end_of_input)(void *ctx); |
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130 |
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131 /* process input data, writing to data, which has room for length bytes, update length to number of bytes written */ |
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132 zip_compression_status_t (*process)(void *ctx, zip_uint8_t *data, zip_uint64_t *length); |
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133 }; |
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134 typedef struct zip_compression_algorithm zip_compression_algorithm_t; |
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135 |
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136 extern zip_compression_algorithm_t zip_algorithm_bzip2_compress; |
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137 extern zip_compression_algorithm_t zip_algorithm_bzip2_decompress; |
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138 extern zip_compression_algorithm_t zip_algorithm_deflate_compress; |
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139 extern zip_compression_algorithm_t zip_algorithm_deflate_decompress; |
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140 |
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141 bool zip_compression_method_supported(zip_int32_t method, bool compress); |
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142 |
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143 /* This API is not final yet, but we need it internally, so it's private for now. */ |
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144 |
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145 const zip_uint8_t *zip_get_extra_field_by_id(zip_t *, int, int, zip_uint16_t, int, zip_uint16_t *); |
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146 |
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147 /* This section contains API that is of limited use until support for |
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148 user-supplied compression/encryption implementation is finished. |
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149 Thus we will keep it private for now. */ |
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150 |
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151 typedef zip_int64_t (*zip_source_layered_callback)(zip_source_t *, void *, void *, zip_uint64_t, enum zip_source_cmd); |
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152 zip_source_t *zip_source_compress(zip_t *za, zip_source_t *src, zip_int32_t cm, int compression_flags); |
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153 zip_source_t *zip_source_crc(zip_t *, zip_source_t *, int); |
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154 zip_source_t *zip_source_decompress(zip_t *za, zip_source_t *src, zip_int32_t cm); |
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155 zip_source_t *zip_source_layered(zip_t *, zip_source_t *, zip_source_layered_callback, void *); |
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156 zip_source_t *zip_source_layered_create(zip_source_t *src, zip_source_layered_callback cb, void *ud, zip_error_t *error); |
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157 zip_source_t *zip_source_pkware(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); |
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158 int zip_source_remove(zip_source_t *); |
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159 zip_int64_t zip_source_supports(zip_source_t *src); |
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160 zip_source_t *zip_source_window(zip_t *, zip_source_t *, zip_uint64_t, zip_uint64_t); |
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161 zip_source_t *zip_source_winzip_aes_decode(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); |
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162 zip_source_t *zip_source_winzip_aes_encode(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); |
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163 |
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164 |
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165 /* error source for layered sources */ |
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166 |
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167 enum zip_les { ZIP_LES_NONE, ZIP_LES_UPPER, ZIP_LES_LOWER, ZIP_LES_INVAL }; |
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168 |
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169 /* directory entry: general purpose bit flags */ |
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170 |
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171 #define ZIP_GPBF_ENCRYPTED 0x0001u /* is encrypted */ |
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172 #define ZIP_GPBF_DATA_DESCRIPTOR 0x0008u /* crc/size after file data */ |
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173 #define ZIP_GPBF_STRONG_ENCRYPTION 0x0040u /* uses strong encryption */ |
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174 #define ZIP_GPBF_ENCODING_UTF_8 0x0800u /* file name encoding is UTF-8 */ |
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175 |
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176 |
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177 /* extra fields */ |
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178 #define ZIP_EF_LOCAL ZIP_FL_LOCAL /* include in local header */ |
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179 #define ZIP_EF_CENTRAL ZIP_FL_CENTRAL /* include in central directory */ |
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180 #define ZIP_EF_BOTH (ZIP_EF_LOCAL|ZIP_EF_CENTRAL) /* include in both */ |
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181 |
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182 #define ZIP_FL_FORCE_ZIP64 1024 /* force zip64 extra field (_zip_dirent_write) */ |
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183 |
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184 #define ZIP_FL_ENCODING_ALL (ZIP_FL_ENC_GUESS|ZIP_FL_ENC_CP437|ZIP_FL_ENC_UTF_8) |
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185 |
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186 |
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187 /* encoding type */ |
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188 enum zip_encoding_type { |
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189 ZIP_ENCODING_UNKNOWN, /* not yet analyzed */ |
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190 ZIP_ENCODING_ASCII, /* plain ASCII */ |
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191 ZIP_ENCODING_UTF8_KNOWN, /* is UTF-8 */ |
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192 ZIP_ENCODING_UTF8_GUESSED, /* possibly UTF-8 */ |
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193 ZIP_ENCODING_CP437, /* Code Page 437 */ |
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194 ZIP_ENCODING_ERROR /* should be UTF-8 but isn't */ |
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195 }; |
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196 |
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197 typedef enum zip_encoding_type zip_encoding_type_t; |
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198 |
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199 struct zip_hash; |
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200 struct zip_progress; |
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201 |
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202 typedef struct zip_cdir zip_cdir_t; |
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203 typedef struct zip_dirent zip_dirent_t; |
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204 typedef struct zip_entry zip_entry_t; |
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205 typedef struct zip_extra_field zip_extra_field_t; |
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206 typedef struct zip_string zip_string_t; |
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207 typedef struct zip_buffer zip_buffer_t; |
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208 typedef struct zip_hash zip_hash_t; |
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209 typedef struct zip_progress zip_progress_t; |
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210 |
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211 /* zip archive, part of API */ |
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212 |
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213 struct zip { |
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214 zip_source_t *src; /* data source for archive */ |
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215 unsigned int open_flags; /* flags passed to zip_open */ |
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216 zip_error_t error; /* error information */ |
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217 |
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218 unsigned int flags; /* archive global flags */ |
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219 unsigned int ch_flags; /* changed archive global flags */ |
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220 |
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221 char *default_password; /* password used when no other supplied */ |
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222 |
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223 zip_string_t *comment_orig; /* archive comment */ |
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224 zip_string_t *comment_changes; /* changed archive comment */ |
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225 bool comment_changed; /* whether archive comment was changed */ |
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226 |
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227 zip_uint64_t nentry; /* number of entries */ |
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228 zip_uint64_t nentry_alloc; /* number of entries allocated */ |
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229 zip_entry_t *entry; /* entries */ |
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230 |
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231 unsigned int nopen_source; /* number of open sources using archive */ |
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232 unsigned int nopen_source_alloc; /* number of sources allocated */ |
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233 zip_source_t **open_source; /* open sources using archive */ |
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234 |
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235 zip_hash_t *names; /* hash table for name lookup */ |
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236 |
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237 zip_progress_t *progress; /* progress callback for zip_close() */ |
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238 }; |
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239 |
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240 /* file in zip archive, part of API */ |
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241 |
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242 struct zip_file { |
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243 zip_t *za; /* zip archive containing this file */ |
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244 zip_error_t error; /* error information */ |
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245 bool eof; |
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246 zip_source_t *src; /* data source */ |
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247 }; |
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248 |
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249 /* zip archive directory entry (central or local) */ |
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250 |
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251 #define ZIP_DIRENT_COMP_METHOD 0x0001u |
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252 #define ZIP_DIRENT_FILENAME 0x0002u |
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253 #define ZIP_DIRENT_COMMENT 0x0004u |
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254 #define ZIP_DIRENT_EXTRA_FIELD 0x0008u |
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255 #define ZIP_DIRENT_ATTRIBUTES 0x0010u |
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256 #define ZIP_DIRENT_LAST_MOD 0x0020u |
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257 #define ZIP_DIRENT_ENCRYPTION_METHOD 0x0040u |
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258 #define ZIP_DIRENT_PASSWORD 0x0080u |
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259 #define ZIP_DIRENT_ALL ZIP_UINT32_MAX |
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260 |
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261 struct zip_dirent { |
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262 zip_uint32_t changed; |
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263 bool local_extra_fields_read; /* whether we already read in local header extra fields */ |
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264 bool cloned; /* whether this instance is cloned, and thus shares non-changed strings */ |
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265 |
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266 bool crc_valid; /* if CRC is valid (sometimes not for encrypted archives) */ |
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267 |
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268 zip_uint16_t version_madeby; /* (c) version of creator */ |
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269 zip_uint16_t version_needed; /* (cl) version needed to extract */ |
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270 zip_uint16_t bitflags; /* (cl) general purpose bit flag */ |
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271 zip_int32_t comp_method; /* (cl) compression method used (uint16 and ZIP_CM_DEFAULT (-1)) */ |
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272 time_t last_mod; /* (cl) time of last modification */ |
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273 zip_uint32_t crc; /* (cl) CRC-32 of uncompressed data */ |
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274 zip_uint64_t comp_size; /* (cl) size of compressed data */ |
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275 zip_uint64_t uncomp_size; /* (cl) size of uncompressed data */ |
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276 zip_string_t *filename; /* (cl) file name (NUL-terminated) */ |
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277 zip_extra_field_t *extra_fields; /* (cl) extra fields, parsed */ |
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278 zip_string_t *comment; /* (c) file comment */ |
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279 zip_uint32_t disk_number; /* (c) disk number start */ |
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280 zip_uint16_t int_attrib; /* (c) internal file attributes */ |
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281 zip_uint32_t ext_attrib; /* (c) external file attributes */ |
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282 zip_uint64_t offset; /* (c) offset of local header */ |
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283 |
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284 zip_uint16_t compression_level; /* level of compression to use (never valid in orig) */ |
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285 zip_uint16_t encryption_method; /* encryption method, computed from other fields */ |
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286 char *password; /* file specific encryption password */ |
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287 }; |
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288 |
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289 /* zip archive central directory */ |
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290 |
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291 struct zip_cdir { |
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292 zip_entry_t *entry; /* directory entries */ |
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293 zip_uint64_t nentry; /* number of entries */ |
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294 zip_uint64_t nentry_alloc; /* number of entries allocated */ |
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295 |
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296 zip_uint64_t size; /* size of central directory */ |
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297 zip_uint64_t offset; /* offset of central directory in file */ |
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298 zip_string_t *comment; /* zip archive comment */ |
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299 bool is_zip64; /* central directory in zip64 format */ |
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300 }; |
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301 |
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302 struct zip_extra_field { |
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303 zip_extra_field_t *next; |
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304 zip_flags_t flags; /* in local/central header */ |
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305 zip_uint16_t id; /* header id */ |
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306 zip_uint16_t size; /* data size */ |
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307 zip_uint8_t *data; |
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308 }; |
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309 |
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310 enum zip_source_write_state { |
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311 ZIP_SOURCE_WRITE_CLOSED, /* write is not in progress */ |
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312 ZIP_SOURCE_WRITE_OPEN, /* write is in progress */ |
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313 ZIP_SOURCE_WRITE_FAILED, /* commit failed, only rollback allowed */ |
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314 ZIP_SOURCE_WRITE_REMOVED /* file was removed */ |
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315 }; |
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316 typedef enum zip_source_write_state zip_source_write_state_t; |
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317 |
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318 struct zip_source { |
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319 zip_source_t *src; |
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320 union { |
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321 zip_source_callback f; |
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322 zip_source_layered_callback l; |
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323 } cb; |
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324 void *ud; |
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325 zip_error_t error; |
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326 zip_int64_t supports; /* supported commands */ |
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327 unsigned int open_count; /* number of times source was opened (directly or as lower layer) */ |
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328 zip_source_write_state_t write_state; /* whether source is open for writing */ |
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329 bool source_closed; /* set if source archive is closed */ |
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330 zip_t *source_archive; /* zip archive we're reading from, NULL if not from archive */ |
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331 unsigned int refcount; |
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332 bool eof; /* EOF reached */ |
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333 }; |
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334 |
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335 #define ZIP_SOURCE_IS_OPEN_READING(src) ((src)->open_count > 0) |
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336 #define ZIP_SOURCE_IS_OPEN_WRITING(src) ((src)->write_state == ZIP_SOURCE_WRITE_OPEN) |
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337 #define ZIP_SOURCE_IS_LAYERED(src) ((src)->src != NULL) |
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338 |
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339 /* entry in zip archive directory */ |
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340 |
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341 struct zip_entry { |
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342 zip_dirent_t *orig; |
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343 zip_dirent_t *changes; |
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344 zip_source_t *source; |
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345 bool deleted; |
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346 }; |
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347 |
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348 |
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349 /* file or archive comment, or filename */ |
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350 |
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351 struct zip_string { |
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352 zip_uint8_t *raw; /* raw string */ |
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353 zip_uint16_t length; /* length of raw string */ |
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354 enum zip_encoding_type encoding; /* autorecognized encoding */ |
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355 zip_uint8_t *converted; /* autoconverted string */ |
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356 zip_uint32_t converted_length; /* length of converted */ |
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357 }; |
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358 |
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359 |
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360 /* bounds checked access to memory buffer */ |
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361 |
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362 struct zip_buffer { |
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363 bool ok; |
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364 bool free_data; |
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365 |
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366 zip_uint8_t *data; |
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367 zip_uint64_t size; |
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368 zip_uint64_t offset; |
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369 }; |
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370 |
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371 /* which files to write in which order */ |
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372 |
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373 struct zip_filelist { |
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374 zip_uint64_t idx; |
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375 /* TODO const char *name; */ |
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376 }; |
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377 |
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378 typedef struct zip_filelist zip_filelist_t; |
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379 |
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380 |
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381 extern const char * const _zip_err_str[]; |
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382 extern const int _zip_nerr_str; |
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383 extern const int _zip_err_type[]; |
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384 |
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385 #define ZIP_MAX(a, b) ((a) > (b) ? (a) : (b)) |
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386 #define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b)) |
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387 |
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388 #define ZIP_ENTRY_CHANGED(e, f) ((e)->changes && ((e)->changes->changed & (f))) |
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389 |
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390 #define ZIP_ENTRY_DATA_CHANGED(x) ((x)->source != NULL) |
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391 |
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392 #define ZIP_IS_RDONLY(za) ((za)->ch_flags & ZIP_AFL_RDONLY) |
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393 |
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394 |
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395 #ifdef HAVE_EXPLICIT_MEMSET |
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396 #define _zip_crypto_clear(b, l) explicit_memset((b), 0, (l)) |
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397 #else |
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398 #ifdef HAVE_EXPLICIT_BZERO |
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399 #define _zip_crypto_clear(b, l) explicit_bzero((b), (l)) |
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400 #else |
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401 #define _zip_crypto_clear(b, l) memset((b), 0, (l)) |
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402 #endif |
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403 #endif |
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404 |
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405 |
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406 zip_int64_t _zip_add_entry(zip_t *); |
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407 |
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408 zip_uint8_t *_zip_buffer_data(zip_buffer_t *buffer); |
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409 bool _zip_buffer_eof(zip_buffer_t *buffer); |
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410 void _zip_buffer_free(zip_buffer_t *buffer); |
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411 zip_uint8_t *_zip_buffer_get(zip_buffer_t *buffer, zip_uint64_t length); |
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412 zip_uint16_t _zip_buffer_get_16(zip_buffer_t *buffer); |
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413 zip_uint32_t _zip_buffer_get_32(zip_buffer_t *buffer); |
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414 zip_uint64_t _zip_buffer_get_64(zip_buffer_t *buffer); |
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415 zip_uint8_t _zip_buffer_get_8(zip_buffer_t *buffer); |
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416 zip_uint64_t _zip_buffer_left(zip_buffer_t *buffer); |
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417 zip_buffer_t *_zip_buffer_new(zip_uint8_t *data, zip_uint64_t size); |
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418 zip_buffer_t *_zip_buffer_new_from_source(zip_source_t *src, zip_uint64_t size, zip_uint8_t *buf, zip_error_t *error); |
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419 zip_uint64_t _zip_buffer_offset(zip_buffer_t *buffer); |
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420 bool _zip_buffer_ok(zip_buffer_t *buffer); |
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421 zip_uint8_t *_zip_buffer_peek(zip_buffer_t *buffer, zip_uint64_t length); |
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422 int _zip_buffer_put(zip_buffer_t *buffer, const void *src, size_t length); |
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423 int _zip_buffer_put_16(zip_buffer_t *buffer, zip_uint16_t i); |
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424 int _zip_buffer_put_32(zip_buffer_t *buffer, zip_uint32_t i); |
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425 int _zip_buffer_put_64(zip_buffer_t *buffer, zip_uint64_t i); |
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426 int _zip_buffer_put_8(zip_buffer_t *buffer, zip_uint8_t i); |
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427 zip_uint64_t _zip_buffer_read(zip_buffer_t *buffer, zip_uint8_t *data, zip_uint64_t length); |
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428 int _zip_buffer_skip(zip_buffer_t *buffer, zip_uint64_t length); |
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429 int _zip_buffer_set_offset(zip_buffer_t *buffer, zip_uint64_t offset); |
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430 zip_uint64_t _zip_buffer_size(zip_buffer_t *buffer); |
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431 |
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432 int _zip_cdir_compute_crc(zip_t *, uLong *); |
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433 void _zip_cdir_free(zip_cdir_t *); |
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434 bool _zip_cdir_grow(zip_cdir_t *cd, zip_uint64_t additional_entries, zip_error_t *error); |
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435 zip_cdir_t *_zip_cdir_new(zip_uint64_t, zip_error_t *); |
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436 zip_int64_t _zip_cdir_write(zip_t *za, const zip_filelist_t *filelist, zip_uint64_t survivors); |
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437 void _zip_deregister_source(zip_t *za, zip_source_t *src); |
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438 |
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439 zip_dirent_t *_zip_dirent_clone(const zip_dirent_t *); |
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440 void _zip_dirent_free(zip_dirent_t *); |
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441 void _zip_dirent_finalize(zip_dirent_t *); |
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442 void _zip_dirent_init(zip_dirent_t *); |
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443 bool _zip_dirent_needs_zip64(const zip_dirent_t *, zip_flags_t); |
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444 zip_dirent_t *_zip_dirent_new(void); |
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445 zip_int64_t _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, bool local, zip_error_t *error); |
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446 void _zip_dirent_set_version_needed(zip_dirent_t *de, bool force_zip64); |
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447 zip_int32_t _zip_dirent_size(zip_source_t *src, zip_uint16_t, zip_error_t *); |
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448 int _zip_dirent_write(zip_t *za, zip_dirent_t *dirent, zip_flags_t flags); |
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449 |
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450 zip_extra_field_t *_zip_ef_clone(const zip_extra_field_t *, zip_error_t *); |
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451 zip_extra_field_t *_zip_ef_delete_by_id(zip_extra_field_t *, zip_uint16_t, zip_uint16_t, zip_flags_t); |
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452 void _zip_ef_free(zip_extra_field_t *); |
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453 const zip_uint8_t *_zip_ef_get_by_id(const zip_extra_field_t *, zip_uint16_t *, zip_uint16_t, zip_uint16_t, zip_flags_t, zip_error_t *); |
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454 zip_extra_field_t *_zip_ef_merge(zip_extra_field_t *, zip_extra_field_t *); |
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455 zip_extra_field_t *_zip_ef_new(zip_uint16_t, zip_uint16_t, const zip_uint8_t *, zip_flags_t); |
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456 bool _zip_ef_parse(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_extra_field_t **, zip_error_t *); |
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457 zip_extra_field_t *_zip_ef_remove_internal(zip_extra_field_t *); |
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458 zip_uint16_t _zip_ef_size(const zip_extra_field_t *, zip_flags_t); |
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459 int _zip_ef_write(zip_t *za, const zip_extra_field_t *ef, zip_flags_t flags); |
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460 |
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461 void _zip_entry_finalize(zip_entry_t *); |
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462 void _zip_entry_init(zip_entry_t *); |
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463 |
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464 void _zip_error_clear(zip_error_t *); |
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465 void _zip_error_get(const zip_error_t *, int *, int *); |
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466 |
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467 void _zip_error_copy(zip_error_t *dst, const zip_error_t *src); |
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468 void _zip_error_set_from_source(zip_error_t *, zip_source_t *); |
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469 |
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470 const zip_uint8_t *_zip_extract_extra_field_by_id(zip_error_t *, zip_uint16_t, int, const zip_uint8_t *, zip_uint16_t, zip_uint16_t *); |
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471 |
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472 int _zip_file_extra_field_prepare_for_change(zip_t *, zip_uint64_t); |
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473 int _zip_file_fillbuf(void *, size_t, zip_file_t *); |
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474 zip_uint64_t _zip_file_get_offset(const zip_t *, zip_uint64_t, zip_error_t *); |
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475 |
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476 int _zip_filerange_crc(zip_source_t *src, zip_uint64_t offset, zip_uint64_t length, uLong *crcp, zip_error_t *error); |
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477 |
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478 zip_dirent_t *_zip_get_dirent(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *); |
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479 |
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480 enum zip_encoding_type _zip_guess_encoding(zip_string_t *, enum zip_encoding_type); |
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481 zip_uint8_t *_zip_cp437_to_utf8(const zip_uint8_t * const, zip_uint32_t, zip_uint32_t *, zip_error_t *); |
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482 |
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483 bool _zip_hash_add(zip_hash_t *hash, const zip_uint8_t *name, zip_uint64_t index, zip_flags_t flags, zip_error_t *error); |
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484 bool _zip_hash_delete(zip_hash_t *hash, const zip_uint8_t *key, zip_error_t *error); |
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485 void _zip_hash_free(zip_hash_t *hash); |
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486 zip_int64_t _zip_hash_lookup(zip_hash_t *hash, const zip_uint8_t *name, zip_flags_t flags, zip_error_t *error); |
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487 zip_hash_t *_zip_hash_new(zip_error_t *error); |
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488 bool _zip_hash_reserve_capacity(zip_hash_t *hash, zip_uint64_t capacity, zip_error_t *error); |
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489 bool _zip_hash_revert(zip_hash_t *hash, zip_error_t *error); |
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490 |
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491 zip_t *_zip_open(zip_source_t *, unsigned int, zip_error_t *); |
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492 |
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493 void _zip_progress_end(zip_progress_t *progress); |
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494 void _zip_progress_free(zip_progress_t *progress); |
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495 zip_progress_t *_zip_progress_new(zip_t *za, double precision, zip_progress_callback callback, void (*ud_free)(void *), void *ud); |
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496 void _zip_progress_start(zip_progress_t *progress); |
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497 void _zip_progress_subrange(zip_progress_t *progress, double start, double end); |
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498 void _zip_progress_update(zip_progress_t *progress, double value); |
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499 |
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500 bool zip_random(zip_uint8_t *buffer, zip_uint16_t length); |
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501 |
20
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502 int _zip_read(zip_source_t *src, zip_uint8_t *data, zip_uint64_t length, zip_error_t *error); |
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503 int _zip_read_at_offset(zip_source_t *src, zip_uint64_t offset, unsigned char *b, size_t length, zip_error_t *error); |
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504 zip_uint8_t *_zip_read_data(zip_buffer_t *buffer, zip_source_t *src, size_t length, bool nulp, zip_error_t *error); |
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505 int _zip_read_local_ef(zip_t *, zip_uint64_t); |
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506 zip_string_t *_zip_read_string(zip_buffer_t *buffer, zip_source_t *src, zip_uint16_t lenght, bool nulp, zip_error_t *error); |
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507 int _zip_register_source(zip_t *za, zip_source_t *src); |
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508 |
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509 void _zip_set_open_error(int *zep, const zip_error_t *err, int ze); |
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510 |
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511 zip_int64_t _zip_source_call(zip_source_t *src, void *data, zip_uint64_t length, zip_source_cmd_t command); |
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512 bool _zip_source_eof(zip_source_t *); |
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513 zip_source_t *_zip_source_file_or_p(const char *, FILE *, zip_uint64_t, zip_int64_t, const zip_stat_t *, zip_error_t *error); |
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514 zip_int8_t zip_source_get_compression_flags(zip_source_t *); |
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515 bool _zip_source_had_error(zip_source_t *); |
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516 void _zip_source_invalidate(zip_source_t *src); |
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517 zip_source_t *_zip_source_new(zip_error_t *error); |
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518 int _zip_source_set_source_archive(zip_source_t *, zip_t *); |
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519 zip_source_t *_zip_source_window_new(zip_source_t *src, zip_uint64_t start, zip_uint64_t length, zip_stat_t *st, zip_int8_t compression_flags, zip_t *source_archive, zip_uint64_t source_index, zip_error_t *error); |
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520 zip_source_t *_zip_source_zip_new(zip_t *, zip_t *, zip_uint64_t, zip_flags_t, zip_uint64_t, zip_uint64_t, const char *); |
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521 |
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522 int _zip_stat_merge(zip_stat_t *dst, const zip_stat_t *src, zip_error_t *error); |
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523 int _zip_string_equal(const zip_string_t *, const zip_string_t *); |
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524 void _zip_string_free(zip_string_t *); |
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525 zip_uint32_t _zip_string_crc32(const zip_string_t *); |
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526 const zip_uint8_t *_zip_string_get(zip_string_t *, zip_uint32_t *, zip_flags_t, zip_error_t *); |
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527 zip_uint16_t _zip_string_length(const zip_string_t *); |
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528 zip_string_t *_zip_string_new(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_error_t *); |
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529 int _zip_string_write(zip_t *za, const zip_string_t *string); |
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530 |
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531 int _zip_changed(const zip_t *, zip_uint64_t *); |
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532 const char *_zip_get_name(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *); |
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533 int _zip_local_header_read(zip_t *, int); |
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534 void *_zip_memdup(const void *, size_t, zip_error_t *); |
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535 zip_int64_t _zip_name_locate(zip_t *, const char *, zip_flags_t, zip_error_t *); |
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536 zip_t *_zip_new(zip_error_t *); |
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537 |
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538 zip_int64_t _zip_file_replace(zip_t *, zip_uint64_t, const char *, zip_source_t *, zip_flags_t); |
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539 int _zip_set_name(zip_t *, zip_uint64_t, const char *, zip_flags_t); |
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540 void _zip_u2d_time(time_t, zip_uint16_t *, zip_uint16_t *); |
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541 int _zip_unchange(zip_t *, zip_uint64_t, int); |
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542 void _zip_unchange_data(zip_entry_t *); |
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543 int _zip_write(zip_t *za, const void *data, zip_uint64_t length); |
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544 |
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545 #endif /* zipint.h */ |