source:
MondoRescue/trunk/mindi/Mindi/DiskSize/lib/DiskSize.c@
1
Last change on this file since 1 was 1, checked in by , 19 years ago | |
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File size: 381 bytes |
Rev | Line | |
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[1] | 1 | #include <fcntl.h> |
2 | #include <sys/types.h> | |
3 | #include <sys/mount.h> | |
4 | #include "DiskSize.h" | |
5 | ||
6 | long | |
7 | get_size_of_disk(disk) | |
8 | const char * disk; | |
9 | { | |
10 | int fd; | |
11 | unsigned long ul; | |
12 | if ((fd = open (disk, O_RDONLY)) == -1) { | |
13 | return 0; /* couldn't open */ | |
14 | } | |
15 | if (ioctl (fd, BLKGETSIZE, &ul) == -1) { | |
16 | return 0; /* couldn't ioctl */ | |
17 | } | |
18 | close (fd); | |
19 | return ul / 2; | |
20 | } |
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