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(get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block

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counts from f_spare array into proper members of struct statfs.
From Eirik Fuller (eirik@netapp.com);
This commit is contained in:
Jim Meyering
1995-10-01 18:23:29 +00:00
parent caa2df2274
commit 4de6eab547
1 changed files with 15 additions and 0 deletions
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15
lib/fsusage.c
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@@ -144,6 +144,21 @@ get_fs_usage (path, disk, fsp)
if (statfs (path, &fsd) < 0)
return -1;
#ifdef STATFS_TRUNCATES_BLOCK_COUNTS
/* In SunOS 4.1.2, 4.1.3, and 4.1.3_U1, the block counts in the
struct statfs are truncated to 2GB. These conditions detect that
truncation, presumably without botching the 4.1.1 case, in which
the values are not truncated. The correct counts are stored in
undocumented spare fields. */
if (fsd.f_blocks == 0x1fffff && fsd.f_spare[0] > 0)
{
fsd.f_blocks = fsd.f_spare[0];
fsd.f_bfree = fsd.f_spare[1];
fsd.f_bavail = fsd.f_spare[2];
}
#endif /* STATFS_TRUNCATES_BLOCK_COUNTS */
#define CONVERT_BLOCKS(b) adjust_blocks ((b), fsd.f_bsize, 512)
#endif