From 799b98ef9a6e8ddb5b17a056433ee2018329de26 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sun, 1 Oct 1995 18:23:29 +0000 Subject: [PATCH] (get_fs_usage) [STATFS_TRUNCATES_BLOCK_COUNTS]: Copy untruncated block counts from f_spare array into proper members of struct statfs. From Eirik Fuller (eirik@netapp.com); --- lib/fsusage.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/lib/fsusage.c b/lib/fsusage.c index 2c1c7f0e24..0296e7e0bb 100644 --- a/lib/fsusage.c +++ b/lib/fsusage.c @@ -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 -- 2.30.2