diff options
Diffstat (limited to 'source3/smbd')
| -rw-r--r-- | source3/smbd/dfree.c | 129 |
1 files changed, 2 insertions, 127 deletions
diff --git a/source3/smbd/dfree.c b/source3/smbd/dfree.c index eff718b148..ee5722acd5 100644 --- a/source3/smbd/dfree.c +++ b/source3/smbd/dfree.c @@ -61,131 +61,6 @@ static void disk_norm(BOOL small_query, SMB_BIG_UINT *bsize,SMB_BIG_UINT *dfree, } -/* Return the number of TOSIZE-byte blocks used by - BLOCKS FROMSIZE-byte blocks, rounding away from zero. -*/ -static SMB_BIG_UINT adjust_blocks(SMB_BIG_UINT blocks, SMB_BIG_UINT fromsize, SMB_BIG_UINT tosize) -{ - if (fromsize == tosize) /* e.g., from 512 to 512 */ - return blocks; - else if (fromsize > tosize) /* e.g., from 2048 to 512 */ - return blocks * (fromsize / tosize); - else /* e.g., from 256 to 512 */ - return (blocks + 1) / (tosize / fromsize); -} - -/* this does all of the system specific guff to get the free disk space. - It is derived from code in the GNU fileutils package, but has been - considerably mangled for use here - - results are returned in *dfree and *dsize, in 512 byte units -*/ -static int fsusage(const char *path, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize) -{ -#ifdef STAT_STATFS3_OSF1 -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_fsize, (SMB_BIG_UINT)512) - struct statfs fsd; - - if (statfs (path, &fsd, sizeof (struct statfs)) != 0) - return -1; -#endif /* STAT_STATFS3_OSF1 */ - -#ifdef STAT_STATFS2_FS_DATA /* Ultrix */ -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)1024, (SMB_BIG_UINT)512) - struct fs_data fsd; - - if (statfs (path, &fsd) != 1) - return -1; - - (*dsize) = CONVERT_BLOCKS (fsd.fd_req.btot); - (*dfree) = CONVERT_BLOCKS (fsd.fd_req.bfreen); -#endif /* STAT_STATFS2_FS_DATA */ - -#ifdef STAT_STATFS2_BSIZE /* 4.3BSD, SunOS 4, HP-UX, AIX */ -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) - struct statfs fsd; - - 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 */ -#endif /* STAT_STATFS2_BSIZE */ - - -#ifdef STAT_STATFS2_FSIZE /* 4.4BSD */ -#define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_fsize, (SMB_BIG_UINT)512) - - struct statfs fsd; - - if (statfs (path, &fsd) < 0) - return -1; -#endif /* STAT_STATFS2_FSIZE */ - -#ifdef STAT_STATFS4 /* SVR3, Dynix, Irix, AIX */ -# if _AIX || defined(_CRAY) -# define CONVERT_BLOCKS(B) adjust_blocks ((SMB_BIG_UINT)(B), (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) -# ifdef _CRAY -# define f_bavail f_bfree -# endif -# else -# define CONVERT_BLOCKS(B) ((SMB_BIG_UINT)B) -# ifndef _SEQUENT_ /* _SEQUENT_ is DYNIX/ptx */ -# ifndef DOLPHIN /* DOLPHIN 3.8.alfa/7.18 has f_bavail */ -# define f_bavail f_bfree -# endif -# endif -# endif - - struct statfs fsd; - - if (statfs (path, &fsd, sizeof fsd, 0) < 0) - return -1; - /* Empirically, the block counts on most SVR3 and SVR3-derived - systems seem to always be in terms of 512-byte blocks, - no matter what value f_bsize has. */ - -#endif /* STAT_STATFS4 */ - -#if defined(STAT_STATVFS) || defined(STAT_STATVFS64) /* SVR4 */ -# define CONVERT_BLOCKS(B) \ - adjust_blocks ((SMB_BIG_UINT)(B), fsd.f_frsize ? (SMB_BIG_UINT)fsd.f_frsize : (SMB_BIG_UINT)fsd.f_bsize, (SMB_BIG_UINT)512) - -#ifdef STAT_STATVFS64 - struct statvfs64 fsd; - if (statvfs64(path, &fsd) < 0) return -1; -#else - struct statvfs fsd; - if (statvfs(path, &fsd) < 0) return -1; -#endif - - /* f_frsize isn't guaranteed to be supported. */ - -#endif /* STAT_STATVFS */ - -#ifndef CONVERT_BLOCKS - /* we don't have any dfree code! */ - return -1; -#else -#if !defined(STAT_STATFS2_FS_DATA) - /* !Ultrix */ - (*dsize) = CONVERT_BLOCKS (fsd.f_blocks); - (*dfree) = CONVERT_BLOCKS (fsd.f_bavail); -#endif /* not STAT_STATFS2_FS_DATA */ -#endif - - return 0; -} /**************************************************************************** return number of 1K blocks available on a path and total number @@ -246,10 +121,10 @@ static SMB_BIG_UINT disk_free(char *path, BOOL small_query, } else { DEBUG (0, ("disk_free: sys_popen() failed for command %s. Error was : %s\n", syscmd, strerror(errno) )); - fsusage(path, dfree, dsize); + sys_fsusage(path, dfree, dsize); } } else - fsusage(path, dfree, dsize); + sys_fsusage(path, dfree, dsize); if (disk_quotas(path, &bsize_q, &dfree_q, &dsize_q)) { (*bsize) = bsize_q; |