diff options
Diffstat (limited to 'include/blkdev.h')
| -rw-r--r-- | include/blkdev.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/blkdev.h b/include/blkdev.h index 1f0fe674e..1b10569b9 100644 --- a/include/blkdev.h +++ b/include/blkdev.h @@ -6,7 +6,7 @@ #define DEFAULT_SECTOR_SIZE 512 -#ifndef BLKROSET +#if !defined(BLKROSET) && defined(__linux__) #define BLKROSET _IO(0x12,93) /* set device read-only (0 = read-write) */ #define BLKROGET _IO(0x12,94) /* get read-only status (0 = read_write) */ @@ -34,7 +34,9 @@ #endif /* BLKROSET */ #ifndef HDIO_GETGEO -#define HDIO_GETGEO 0x0301 +# ifdef __linux__ +# define HDIO_GETGEO 0x0301 +# endif struct hd_geometry { unsigned char heads; unsigned char sectors; @@ -43,6 +45,9 @@ struct hd_geometry { }; #endif +/* Determine size in bytes */ +off_t blkdev_find_size (int fd); + /* get size in bytes */ int blkdev_get_size(int fd, unsigned long long *bytes); @@ -52,5 +57,4 @@ int blkdev_get_sectors(int fd, unsigned long long *sectors); /* get hardware sector size */ int blkdev_get_sector_size(int fd, int *sector_size); - #endif /* BLKDEV_H */ |