70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
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/* Part of libsffs - (c) 2012, D.C. van Moolenbroek */
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#ifndef _MINIX_SFFS_H
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#define _MINIX_SFFS_H
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#include <sys/types.h>
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#include <sys/time.h>
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#include <minix/u64.h>
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typedef void *sffs_file_t; /* handle to open file */
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typedef void *sffs_dir_t; /* handle to directory search */
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struct sffs_attr {
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u32_t a_mask; /* which fields to retrieve/set */
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mode_t a_mode; /* file type and permissions */
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u64_t a_size; /* file size */
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struct timespec a_crtime; /* file creation time */
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struct timespec a_atime; /* file access time */
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struct timespec a_mtime; /* file modification time */
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struct timespec a_ctime; /* file change time */
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};
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#define SFFS_ATTR_SIZE 0x01 /* get/set file size */
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#define SFFS_ATTR_CRTIME 0x02 /* get/set file creation time */
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#define SFFS_ATTR_ATIME 0x04 /* get/set file access time */
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#define SFFS_ATTR_MTIME 0x08 /* get/set file modification time */
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#define SFFS_ATTR_CTIME 0x10 /* get/set file change time */
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#define SFFS_ATTR_MODE 0x20 /* get/set file mode */
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struct sffs_table {
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int (*t_open)(char *path, int flags, int mode, sffs_file_t *handle);
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ssize_t (*t_read)(sffs_file_t handle, char *buf, size_t size, u64_t pos);
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ssize_t (*t_write)(sffs_file_t handle, char *buf, size_t size, u64_t pos);
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int (*t_close)(sffs_file_t handle);
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size_t (*t_readbuf)(char **ptr);
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size_t (*t_writebuf)(char **ptr);
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int (*t_opendir)(char *path, sffs_dir_t *handle);
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int (*t_readdir)(sffs_dir_t handle, unsigned int index, char *buf,
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size_t size, struct sffs_attr *attr);
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int (*t_closedir)(sffs_dir_t handle);
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int (*t_getattr)(char *path, struct sffs_attr *attr);
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int (*t_setattr)(char *path, struct sffs_attr *attr);
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int (*t_mkdir)(char *path, int mode);
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int (*t_unlink)(char *path);
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int (*t_rmdir)(char *path);
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int (*t_rename)(char *opath, char *npath);
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int (*t_queryvol)(char *path, u64_t *free, u64_t *total);
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};
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struct sffs_params {
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char p_prefix[PATH_MAX]; /* prefix for all paths used */
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uid_t p_uid; /* UID that owns all files */
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gid_t p_gid; /* GID that owns all files */
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unsigned int p_file_mask; /* AND-mask to apply to file permissions */
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unsigned int p_dir_mask; /* AND-mask to apply to directory perms */
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int p_case_insens; /* case insensitivity flag */
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};
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int sffs_init(char *name, const struct sffs_table *table,
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struct sffs_params *params);
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void sffs_signal(int signo);
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void sffs_loop(void);
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#endif /* _MINIX_SFFS_H */
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