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randomtest fixes

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This commit is contained in:
Denis Vlasenko
2009-03-28 19:08:23 +00:00
parent 78f9d8eb7a
commit a2333c8938
4 changed files with 23 additions and 11 deletions
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17
util-linux/mkfs_vfat.c
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@ -323,9 +323,20 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
* fs size <= 16G: 8k clusters
* fs size > 16G: 16k clusters
*/
sect_per_clust = volume_size_bytes >= ((off_t)16)*1024*1024*1024 ? 32 :
volume_size_bytes >= ((off_t)8)*1024*1024*1024 ? 16 :
volume_size_bytes >= 260*1024*1024 ? 8 : 1;
sect_per_clust = 1;
if (volume_size_bytes >= 260*1024*1024) {
sect_per_clust = 8;
/* fight gcc: */
/* "error: integer overflow in expression" */
/* "error: right shift count >= width of type" */
if (sizeof(off_t) > 4) {
unsigned t = (volume_size_bytes >> 31 >> 1);
if (t >= 8/4)
sect_per_clust = 16;
if (t >= 16/4)
sect_per_clust = 32;
}
}
} else {
// floppy, loop, or regular file
int not_floppy = ioctl(dev, FDGETPRM, &param);