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Differential D14482 Diff 39662 head/stand/libsa/stand.h

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head/stand/libsa/stand.h

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* filesystems that they require. * filesystems that they require.
*/ */
struct fs_ops { struct fs_ops {
const char *fs_name; const char *fs_name;
int (*fo_open)(const char *path, struct open_file *f); int (*fo_open)(const char *path, struct open_file *f);
int (*fo_close)(struct open_file *f); int (*fo_close)(struct open_file *f);
int (*fo_read)(struct open_file *f, void *buf, int (*fo_read)(struct open_file *f, void *buf,
size_t size, size_t *resid); size_t size, size_t *resid);
int (*fo_write)(struct open_file *f, void *buf, int (*fo_write)(struct open_file *f, const void *buf,
size_t size, size_t *resid); size_t size, size_t *resid);
off_t (*fo_seek)(struct open_file *f, off_t offset, int where); off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
int (*fo_stat)(struct open_file *f, struct stat *sb); int (*fo_stat)(struct open_file *f, struct stat *sb);
int (*fo_readdir)(struct open_file *f, struct dirent *d); int (*fo_readdir)(struct open_file *f, struct dirent *d);
}; };
/* /*
* libstand-supplied filesystems * libstand-supplied filesystems
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/* null functions for device/filesystem switches (undocumented) */ /* null functions for device/filesystem switches (undocumented) */
extern int nodev(void); extern int nodev(void);
extern int noioctl(struct open_file *, u_long, void *); extern int noioctl(struct open_file *, u_long, void *);
extern void nullsys(void); extern void nullsys(void);
extern int null_open(const char *path, struct open_file *f); extern int null_open(const char *path, struct open_file *f);
extern int null_close(struct open_file *f); extern int null_close(struct open_file *f);
extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid); extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
extern int null_write(struct open_file *f, void *buf, size_t size, size_t *resid); extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
extern off_t null_seek(struct open_file *f, off_t offset, int where); extern off_t null_seek(struct open_file *f, off_t offset, int where);
extern int null_stat(struct open_file *f, struct stat *sb); extern int null_stat(struct open_file *f, struct stat *sb);
extern int null_readdir(struct open_file *f, struct dirent *d); extern int null_readdir(struct open_file *f, struct dirent *d);
/* /*
* Machine dependent functions and data, must be provided or stubbed by * Machine dependent functions and data, must be provided or stubbed by
* the consumer * the consumer
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