82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
#ifndef __VFS_H
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#define __VFS_H
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struct vfs_device_t {
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unsigned int device;
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char name[16];
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unsigned char fs;
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char *cwd;
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void *fs_data;
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};
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struct vfs_file_handle_t {
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char *filepath;
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struct vfs_device_t *device;
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unsigned char free;
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unsigned long position;
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unsigned long size;
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void *fs_specific;
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};
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struct quinn_dirent_t {
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unsigned int name_len;
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unsigned int rec_len;
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unsigned int next_offset;
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unsigned char type;
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char name[1];
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};
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struct stat {
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unsigned short st_dev; //ID of device containing file
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unsigned int st_ino; //file serial number
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unsigned short st_mode; //mode of file (see below)
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unsigned short st_nlink; //number of links to the file
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unsigned short st_uid; //user ID of file
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unsigned short st_gid; //group ID of file
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unsigned short st_rdev; //device ID (if file is character or block special)
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unsigned int st_size; //file size in bytes (if file is a regular file)
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unsigned int st_atime; //time of last access
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unsigned int st_mtime; //time of last data modification
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unsigned int st_ctime; //time of last status change
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unsigned int st_blksize; //a filesystem-specific preferred I/O block size for
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unsigned int st_blocks; //number of blocks allocated for this object
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};
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#define O_RDONLY 0x0000
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#define O_WRONLY 0x0001
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#define O_RDWR 0x0002
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#define O_APPEND 0x0008
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#define O_CREAT 0x0200
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#define O_TRUNC 0x0400
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#define O_EXCL 0x0800
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#define O_SYNC 0x2000
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#define O_NONBLOCK 0x4000
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#define S_IFSOCK 0140000
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#define S_IFLNK 0120000
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#define S_IFREG 0100000
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#define S_IFBLK 0060000
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#define S_IFDIR 0040000
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#define S_IFCHR 0020000
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#define S_IFIFO 0010000
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#define S_ISUID 0004000
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#define S_ISGID 0002000
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#define S_ISVTX 0001000
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extern void init_vfs(void);
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extern struct vfs_device_t *vfs_register_device(unsigned int device, char *name, unsigned char fstype);
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extern unsigned char vfs_select_device(char *name);
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extern void vfs_close_file(int fno);
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extern int vfs_open_file(char *path, int flags, int mode);
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extern int vfs_read_file(int fileno, char *buffer, int len);
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extern int vfs_write_file(int fileno, char *buffer, int len);
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extern void vfs_close_all();
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extern int vfs_getdents(int fno, char *buffer, int count);
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extern int vfs_mkdir(char *path);
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extern char *vfs_read_entire_file(char *path, char **buffer);
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extern int vfs_change_directory(char *path);
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extern int vfs_fstat(int fileno, struct stat *s);
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extern int vfs_stat(char *path, struct stat *s);
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extern int vfs_lseek(int fileno, int offset, int whence);
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#endif
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