diff options
Diffstat (limited to 'stream.h')
| -rw-r--r-- | stream.h | 66 |
1 files changed, 42 insertions, 24 deletions
@@ -22,39 +22,47 @@ typedef struct Stream_t { struct Class_t *Class; int refs; struct Stream_t *Next; - struct Stream_t *Buffer; } Stream_t; #include "mtools.h" #include "msdos.h" - +#include "device.h" #include "llong.h" +void limitSizeToOffT(size_t *len, mt_off_t maxLen); + doscp_t *get_dosConvert_pass_through(Stream_t *Stream); typedef struct Class_t { - int (*read)(Stream_t *, char *, mt_off_t, size_t); - int (*write)(Stream_t *, char *, mt_off_t, size_t); + ssize_t (*read)(Stream_t *, char *, size_t); + ssize_t (*write)(Stream_t *, char *, size_t); + ssize_t (*pread)(Stream_t *, char *, mt_off_t, size_t); + ssize_t (*pwrite)(Stream_t *, char *, mt_off_t, size_t); int (*flush)(Stream_t *); int (*freeFunc)(Stream_t *); - int (*set_geom)(Stream_t *, device_t *, device_t *, int media, - union bootsector *); - int (*get_data)(Stream_t *, time_t *, mt_size_t *, int *, int *); - int (*pre_allocate)(Stream_t *, mt_size_t); + int (*set_geom)(Stream_t *, device_t *, device_t *); + int (*get_data)(Stream_t *, time_t *, mt_off_t *, int *, uint32_t *); + int (*pre_allocate)(Stream_t *, mt_off_t); doscp_t *(*get_dosConvert)(Stream_t *); int (*discard)(Stream_t *); } Class_t; -#define READS(stream, buf, address, size) \ -((stream)->Class->read)( (stream), (char *) (buf), (address), (size) ) +#define READS(stream, buf, size) \ +((stream)->Class->read)( (stream), (char *) (buf), (size) ) + +#define WRITES(stream, buf, size) \ +((stream)->Class->write)( (stream), (char *) (buf), (size) ) + +#define PREADS(stream, buf, address, size) \ +((stream)->Class->pread)( (stream), (char *) (buf), (address), (size) ) -#define WRITES(stream, buf, address, size) \ -((stream)->Class->write)( (stream), (char *) (buf), (address), (size) ) +#define PWRITES(stream, buf, address, size) \ +((stream)->Class->pwrite)( (stream), (char *) (buf), (address), (size) ) -#define SET_GEOM(stream, dev, orig_dev, media, boot) \ -(stream)->Class->set_geom( (stream), (dev), (orig_dev), (media), (boot) ) +#define SET_GEOM(stream, dev, orig_dev) \ +(stream)->Class->set_geom( (stream), (dev), (orig_dev)) #define GET_DATA(stream, date, size, type, address) \ (stream)->Class->get_data( (stream), (date), (size), (type), (address) ) @@ -84,24 +92,34 @@ copy_stream( (stream) ) #define DeclareThis(x) x *This = (x *) Stream -int force_write(Stream_t *Stream, char *buf, mt_off_t start, size_t len); -int force_read(Stream_t *Stream, char *buf, mt_off_t start, size_t len); +void init_head(Stream_t *Stream, struct Class_t *Class, Stream_t *Next); -int get_data_pass_through(Stream_t *Stream, time_t *date, mt_size_t *size, - int *type, int *address); +ssize_t force_pwrite(Stream_t *Stream, char *buf, mt_off_t start, size_t len); +ssize_t force_pread(Stream_t *Stream, char *buf, mt_off_t start, size_t len); -int read_pass_through(Stream_t *Stream, char *buf, mt_off_t start, size_t len); -int write_pass_through(Stream_t *Stream, char *buf, mt_off_t start, size_t len); +ssize_t force_write(Stream_t *Stream, char *buf, size_t len); -mt_off_t sectorsToBytes(Stream_t *This, off_t off); +int set_geom_pass_through(Stream_t *Stream, device_t *dev, device_t *orig_dev); -mt_size_t getfree(Stream_t *Stream); -int getfreeMinBytes(Stream_t *Stream, mt_size_t ref); +int set_geom_noop(Stream_t *Stream, device_t *dev, device_t *orig_dev); + +int get_data_pass_through(Stream_t *Stream, time_t *date, mt_off_t *size, + int *type, uint32_t *address); + +ssize_t pread_pass_through(Stream_t *Stream, char *buf, + mt_off_t start, size_t len); +ssize_t pwrite_pass_through(Stream_t *Stream, char *buf, + mt_off_t start, size_t len); + +mt_off_t getfree(Stream_t *Stream); +int getfreeMinBytes(Stream_t *Stream, mt_off_t ref); Stream_t *find_device(char drive, int mode, struct device *out_dev, union bootsector *boot, - char *name, int *media, mt_size_t *maxSize, + char *name, int *media, mt_off_t *maxSize, int *isRop); +int adjust_tot_sectors(struct device *dev, mt_off_t offset, char *errmsg); + #endif |