dav/tar.h

Sun, 17 Jun 2018 07:11:31 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sun, 17 Jun 2018 07:11:31 +0200
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parent 364
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child 478
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permissions
-rw-r--r--

adds user+pw to repo-url output

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2018 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #ifndef TAR_H
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30 #define TAR_H
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31
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32 #include <stdio.h>
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33 #include <stdlib.h>
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34 #include <time.h>
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35 #include <inttypes.h>
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36
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37 #ifdef __cplusplus
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38 extern "C" {
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39 #endif
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40
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41 #define T_ISUID 04000
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42 #define T_ISGID 02000
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43 #define T_IRUSR 00400
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44 #define T_IWUSR 00200
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45 #define T_IXUSR 00100
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46 #define T_IRGRP 00040
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47 #define T_IWGRP 00020
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48 #define T_IXGRP 00010
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49 #define T_IROTH 00004
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50 #define T_IWOTH 00002
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51 #define T_IXOTH 00001
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52
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53 #define TAR_TYPE_FILE '0'
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54 #define TAR_TYPE_DIRECTORY '5'
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55
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56 enum TarError {
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57 TAR_OK = 0,
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58 TAR_PATH_TOO_LONG,
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59 TAR_FILE_TOO_LARGE,
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60 TAR_CONTENT_TOO_LARGE,
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61 TAR_UNFINISHED_FILE,
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62 TAR_CONTENT_BROKEN,
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63 TAR_ERROR
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64 };
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65
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66 typedef enum TarError TarError;
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67
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68 typedef struct TarHeader {
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69 char name[100];
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70 char mode[8];
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71 char uid[8];
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72 char gid[8];
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73 char size[12];
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74 char mtime[12];
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75 char chksum[8];
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76 char typeflag;
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77 char linkname[100];
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78 char magic[6];
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79 char version[2];
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80 char uname[32];
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81 char gname[32];
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82 char devmajor[8];
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83 char devminor[8];
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84 char prefix[155];
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85 char padding[12];
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86 } TarHeader;
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87
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88 typedef struct TarOutputStream {
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89 FILE *file;
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90 uint64_t cur_filesize;
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91 uint64_t cur_written;
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92 TarError error;
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93 } TarOutputStream;
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94
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95 typedef struct TarEntry {
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96 char *path;
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97 uint64_t size;
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98 int type;
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99 } TarEntry;
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100
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101 typedef struct TarInputStream {
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102 FILE *file;
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103 TarEntry cur_entry;
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104 uint64_t cur_read;
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105 TarError error;
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106 } TarInputStream;
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107
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108 const char* tar_error2str(TarError error);
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109
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110 TarOutputStream* tar_open(FILE *f);
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111 int tar_add_dir(TarOutputStream *tar, char *path, uint32_t mode, time_t mtime);
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112 int tar_begin_file(
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113 TarOutputStream *tar,
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114 char *path,
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115 uint32_t mode,
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116 uint64_t size,
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117 time_t mtime);
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118 size_t tar_fwrite(const void *ptr, size_t s, size_t n, TarOutputStream *stream);
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119 int tar_end_file(TarOutputStream *tar);
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120 int tar_close(TarOutputStream *tar);
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121
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122 TarInputStream* tar_inputstream_open(FILE *f);
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123 TarEntry* tar_read_entry(TarInputStream *tar);
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124 size_t tar_fread(void *ptr, size_t s, size_t n, TarInputStream *stream);
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125 int tar_inputstream_close(TarInputStream *tar);
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126
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127
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128 #ifdef __cplusplus
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129 }
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130 #endif
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131
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132 #endif /* TAR_H */
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133

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