diff options
Diffstat (limited to 'lib/functions.c')
| -rw-r--r-- | lib/functions.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/functions.c b/lib/functions.c index b8c122e0..88258ddc 100644 --- a/lib/functions.c +++ b/lib/functions.c @@ -397,6 +397,14 @@ char *itoa(int n) return itoa_buf; } +off_t fdlength(int fd) +{ + int size; + + if (ioctl(fd, BLKGETSIZE, &size) >= 0) return size*512L; + return -1; +} + /* This might be of use or might not. Unknown yet... @@ -405,11 +413,11 @@ char *itoa(int n) off_t fdlength(int fd) { off_t bottom = 0, top = 0, pos; - long size; + int size; // If the ioctl works for this, return it. - if (ioctl(fd, BLKGETSIZE, &size) >= 0) return size*512; + if (ioctl(fd, BLKGETSIZE, &size) >= 0) return size*512L; // If not, do a binary search for the last location we can read. (Some // block devices don't do BLKGETSIZE right.) This should probably have |