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Add stream_fstat()

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This commit is contained in:
Laurent Vivier 2005-11-23 00:09:00 +00:00
parent 341672825a
commit a55aa395c7
4 changed files with 34 additions and 7 deletions
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2
libstream/Makefile
View File

@ -13,7 +13,7 @@ CPPFLAGS = -I$(TOP)/../libfloppy -I$(TOP)/../libscsi -I$(TOP)/../libblock \
LIBRARY = libstream.a
SOURCES = stream_close.c stream_open.c stream_read.c stream_lseek.c \
stream_uncompress.c gzio.c
stream_uncompress.c gzio.c stream_fstat.c
HEADERS = libstream.h

7
libstream/libstream.h
View File

@ -9,11 +9,16 @@
#include <sys/types.h>
#include <unistd.h>
struct stream_stat {
off_t st_size;
};
typedef int (*stream_read_sector_t)(void *data,off_t offset, void* buffer, size_t size);
typedef ssize_t (*stream_read_t)(void *data, void *buf, size_t count);
typedef int (*stream_lseek_t)(void *data, long offset, int whence);
typedef int (*stream_close_t)(void *data);
typedef int (*stream_umount_t)(void *data);
typedef int (*stream_fstat_t)(void *data, struct stream_stat *buf);
typedef struct {
void *data;
@ -28,6 +33,7 @@ typedef struct {
stream_lseek_t lseek;
stream_close_t close;
stream_umount_t umount;
stream_fstat_t fstat;
} filesystem_io_t;
typedef struct {
@ -47,4 +53,5 @@ extern int stream_read(stream_t *stream, void *buf, size_t count);
extern int stream_lseek(stream_t *stream, long offset, int whence);
extern int stream_close(stream_t *stream);
extern int stream_uncompress(stream_t *stream);
extern int stream_fstat(stream_t *stream, struct stream_stat *buf);
#endif /* __LIBSTREAM_H__ */

15
libstream/stream_fstat.c Normal file
View File

@ -0,0 +1,15 @@
/*
*
* (c) 2005 Laurent Vivier <LaurentVivier@wanadoo.fr>
*
*/
#include "libstream.h"
int stream_fstat(stream_t *stream, struct stream_stat *buf)
{
if (stream->fs.fstat == NULL)
return -1;
return stream->fs.fstat(stream->fs.file, buf);
}

17
libstream/stream_open.c
View File

@ -160,17 +160,21 @@ stream_t *stream_open(char *dev)
case fs_BLOCK:
if (stream->fs.data == NULL)
goto outfs;
stream->fs.read = block_read;
stream->fs.seek = block_seek;
stream->fs.close = block_close;
stream->fs.read = (stream_read_t)block_read;
stream->fs.seek = (stream_lseek_t)block_seek;
stream->fs.close = (stream_close_t)block_close;
stream->fs.umount = (stream_umount_t)block_umount;
stream->fs.fstat = (stream_fstat_t)block_fstat;
break;
case fs_CONTAINER:
stream->fs.data = container_open(&stream->device, current);
if (stream->fs.data == NULL)
goto outfs;
stream->fs.read = container_read;
stream->fs.seek = container_seek;
stream->fs.close = container_close;
stream->fs.read = (stream_read_t)container_read;
stream->fs.seek = (stream_lseek_t)container_seek;
stream->fs.close = (stream_close_t)container_close;
stream->fs.umount = (stream_umount_t)container_umount;
stream->fs.fstat = (stream_fstat_t)container_fstat;
break;
#endif
case fs_ISO9660:
@ -190,6 +194,7 @@ stream_t *stream_open(char *dev)
stream->fs.lseek = (stream_lseek_t)iso9660_lseek;
stream->fs.close = (stream_close_t)iso9660_close;
stream->fs.umount = (stream_umount_t)iso9660_umount;
stream->fs.fstat = (stream_fstat_t)iso9660_fstat;
break;
default:
outfs: