1 /* |
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2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 #define ushort unsigned short |
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27 #define uint unsigned int |
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28 #define uchar unsigned char |
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29 |
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30 struct unpacker; |
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31 |
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32 struct jar { |
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33 // JAR file writer |
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34 FILE* jarfp; |
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35 int default_modtime; |
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36 |
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37 // Used by unix2dostime: |
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38 int modtime_cache; |
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39 uLong dostime_cache; |
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40 |
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41 // Private members |
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42 fillbytes central_directory; |
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43 uint central_directory_count; |
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44 uint output_file_offset; |
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45 fillbytes deflated; // temporary buffer |
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46 |
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47 // pointer to outer unpacker, for error checks etc. |
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48 unpacker* u; |
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49 |
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50 // Public Methods |
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51 void openJarFile(const char* fname); |
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52 void addJarEntry(const char* fname, |
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53 bool deflate_hint, int modtime, |
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54 bytes& head, bytes& tail); |
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55 void addDirectoryToJarFile(const char* dir_name); |
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56 void closeJarFile(bool central); |
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57 |
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58 void init(unpacker* u_); |
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59 |
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60 void free() { |
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61 central_directory.free(); |
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62 deflated.free(); |
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63 } |
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64 |
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65 void reset() { |
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66 free(); |
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67 init(u); |
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68 } |
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69 |
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70 // Private Methods |
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71 void write_data(void* ptr, int len); |
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72 void write_data(bytes& b) { write_data(b.ptr, (int)b.len); } |
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73 void add_to_jar_directory(const char* fname, bool store, int modtime, |
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74 int len, int clen, uLong crc); |
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75 void write_jar_header(const char* fname, bool store, int modtime, |
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76 int len, int clen, unsigned int crc); |
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77 void write_jar_extra(int len, int clen, unsigned int crc); |
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78 void write_central_directory(); |
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79 uLong dostime(int y, int n, int d, int h, int m, int s); |
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80 uLong get_dostime(int modtime); |
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81 |
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82 // The definitions of these depend on the NO_ZLIB option: |
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83 bool deflate_bytes(bytes& head, bytes& tail); |
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84 static uint get_crc32(uint c, unsigned char *ptr, uint len); |
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85 |
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86 // error handling |
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87 void abort(const char* msg) { unpack_abort(msg, u); } |
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88 bool aborting() { return unpack_aborting(u); } |
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89 }; |
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90 |
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91 struct gunzip { |
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92 // optional gzip input stream control block |
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93 |
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94 // pointer to outer unpacker, for error checks etc. |
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95 unpacker* u; |
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96 |
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97 void* read_input_fn; // underlying byte stream |
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98 void* zstream; // inflater state |
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99 char inbuf[1 << 14]; // input buffer |
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100 |
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101 void init(unpacker* u_); // pushes new value on u->read_input_fn |
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102 |
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103 void free(); |
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104 |
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105 void start(int magic); |
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106 |
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107 // private stuff |
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108 void read_fixed_field(char* buf, size_t buflen); |
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109 |
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110 // error handling |
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111 void abort(const char* msg) { unpack_abort(msg, u); } |
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112 bool aborting() { return unpack_aborting(u); } |
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113 }; |
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