| #include "common.h" | |
| int disksize(int fd, unsigned long long *sectors) { | |
| int err; | |
| long sz; | |
| long long b; | |
| err = ioctl(fd, BLKGETSIZE, &sz); | |
| if (err) | |
| return err; | |
| err = ioctl(fd, BLKGETSIZE64, &b); | |
| if (err || b == 0 || b == sz) | |
| *sectors = sz; | |
| else | |
| *sectors = (b >> 9); | |
| return 0; | |
| } |