Thu, 27 Jan 2022 21:24:27 +0100
add empty postgresql VFS functions
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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 2022 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 | #include "vfs.h" |
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30 | |
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31 | static VFS pg_vfs_class = { |
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32 | pg_vfs_open, |
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33 | pg_vfs_stat, |
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34 | pg_vfs_fstat, |
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35 | pg_vfs_opendir, |
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36 | pg_vfs_fdopendir, |
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37 | pg_vfs_mkdir, |
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38 | pg_vfs_unlink, |
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39 | pg_vfs_rmdir |
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40 | }; |
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41 | |
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42 | static VFS_IO pg_vfs_io_class = { |
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43 | pg_vfs_io_read, |
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44 | pg_vfs_io_write, |
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45 | pg_vfs_io_pread, |
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46 | pg_vfs_io_pwrite, |
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47 | pg_vfs_io_seek, |
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48 | pg_vfs_io_close, |
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49 | NULL, // no pg aio implementation yet |
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50 | NULL |
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51 | }; |
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52 | |
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53 | static VFS_DIRIO pg_vfs_dirio_class = { |
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54 | pg_vfs_dirio_readdir, |
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55 | pg_vfs_dirio_close |
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56 | }; |
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57 | |
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58 | /* -------------------------- VFS functions -------------------------- */ |
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59 | |
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60 | SYS_FILE pg_vfs_open(VFSContext *ctx, const char *path, int oflags) { |
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61 | |
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62 | } |
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63 | |
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64 | int pg_vfs_stat(VFSContext *ctx, const char *path, struct stat *buf) { |
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65 | |
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66 | } |
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67 | |
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68 | int pg_vfs_fstat(VFSContext *ctx, SYS_FILE fd, struct stat *buf) { |
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69 | |
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70 | } |
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71 | |
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72 | VFS_DIR pg_vfs_opendir(VFSContext *ctx, const char *path) { |
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73 | |
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74 | } |
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75 | |
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76 | VFS_DIR pg_vfs_fdopendir(VFSContext *ctx, SYS_FILE fd) { |
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77 | |
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78 | } |
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79 | |
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80 | int pg_vfs_mkdir(VFSContext *ctx, const char *path) { |
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81 | |
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82 | } |
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83 | |
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84 | int pg_vfs_unlink(VFSContext *ctx, const char *path) { |
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85 | |
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86 | } |
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87 | |
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88 | int pg_vfs_rmdir(VFSContext *Ctx, const char *path) { |
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89 | |
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90 | } |
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91 | |
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92 | |
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93 | /* -------------------------- VFS_IO functions -------------------------- */ |
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94 | |
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95 | ssize_t pg_vfs_io_read(SYS_FILE fd, void *buf, size_t nbyte) { |
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96 | |
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97 | } |
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98 | |
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99 | ssize_t pg_vfs_io_write(SYS_FILE fd, const void *buf, size_t nbyte) { |
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100 | |
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101 | } |
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102 | |
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103 | ssize_t pg_vfs_io_pread(SYS_FILE fd, void *buf, size_t nbyte, off_t offset) { |
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104 | |
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105 | } |
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106 | |
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107 | ssize_t pg_vfs_io_pwrite(SYS_FILE fd, const void *buf, size_t nbyte, off_t offset) { |
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108 | |
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109 | } |
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110 | |
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111 | off_t pg_vfs_io_seek(SYS_FILE fd, off_t offset, int whence) { |
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112 | |
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113 | } |
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114 | |
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115 | void pg_vfs_io_close(SYS_FILE fd) { |
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116 | |
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117 | } |
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118 | |
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119 | |
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120 | /* -------------------------- VFS_DIRIO functions -------------------------- */ |
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121 | |
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122 | int pg_vfs_dirio_readdir(VFS_DIR dir, VFS_ENTRY *entry, int getstat) { |
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123 | |
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124 | } |
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125 | |
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126 | void pg_vfs_dirio_close(VFS_DIR dir) { |
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127 | |
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128 | } |