Mercurial > molko
annotate src/libmlk-core/core/vfs.h @ 332:8eee6f92e9ce
core: implement vfs and vfs-directory
author | David Demelier <markand@malikania.fr> |
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date | Wed, 13 Oct 2021 15:03:18 +0200 |
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children | 979960e65f76 |
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1 /* |
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2 * vfs.h -- virtual file system abstraction |
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3 * |
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4 * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #ifndef MLK_CORE_VFS_H |
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20 #define MLK_CORE_VFS_H |
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21 |
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22 #include "core.h" |
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23 |
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24 struct vfs_file; |
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25 |
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26 struct vfs { |
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27 void *data; |
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28 int (*open)(struct vfs *, struct vfs_file *, const char *, const char *); |
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29 void (*finish)(struct vfs *); |
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30 }; |
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31 |
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32 struct vfs_file { |
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33 void *data; |
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34 size_t (*read)(struct vfs_file *, void *, size_t); |
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35 size_t (*write)(struct vfs_file *, const void *, size_t); |
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36 int (*flush)(struct vfs_file *); |
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37 void (*finish)(struct vfs_file *); |
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38 }; |
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39 |
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40 CORE_BEGIN_DECLS |
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41 |
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42 /* vfs */ |
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43 |
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44 int |
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45 vfs_open(struct vfs *, struct vfs_file *, const char *, const char *); |
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46 |
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47 void |
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48 vfs_finish(struct vfs *); |
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49 |
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50 /* vfs_file */ |
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51 |
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52 size_t |
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53 vfs_file_read(struct vfs_file *, void *, size_t); |
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54 |
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55 size_t |
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56 vfs_file_write(struct vfs_file *, void *, size_t); |
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57 |
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58 int |
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59 vfs_file_flush(struct vfs_file *); |
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60 |
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61 void |
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62 vfs_file_finish(struct vfs_file *); |
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63 |
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64 CORE_END_DECLS |
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65 |
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66 #endif /* MLK_CORE_VFS_H */ |