Mercurial > molko
diff 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 |
parents | |
children | 979960e65f76 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/libmlk-core/core/vfs.h Wed Oct 13 15:03:18 2021 +0200 @@ -0,0 +1,66 @@ +/* + * vfs.h -- virtual file system abstraction + * + * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef MLK_CORE_VFS_H +#define MLK_CORE_VFS_H + +#include "core.h" + +struct vfs_file; + +struct vfs { + void *data; + int (*open)(struct vfs *, struct vfs_file *, const char *, const char *); + void (*finish)(struct vfs *); +}; + +struct vfs_file { + void *data; + size_t (*read)(struct vfs_file *, void *, size_t); + size_t (*write)(struct vfs_file *, const void *, size_t); + int (*flush)(struct vfs_file *); + void (*finish)(struct vfs_file *); +}; + +CORE_BEGIN_DECLS + +/* vfs */ + +int +vfs_open(struct vfs *, struct vfs_file *, const char *, const char *); + +void +vfs_finish(struct vfs *); + +/* vfs_file */ + +size_t +vfs_file_read(struct vfs_file *, void *, size_t); + +size_t +vfs_file_write(struct vfs_file *, void *, size_t); + +int +vfs_file_flush(struct vfs_file *); + +void +vfs_file_finish(struct vfs_file *); + +CORE_END_DECLS + +#endif /* MLK_CORE_VFS_H */