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#+build linux, darwin, netbsd, openbsd, freebsd
package posix
import "core:c"
when ODIN_OS == .Darwin {
foreign import lib "system:System"
} else {
foreign import lib "system:c"
}
// sys/statvfs.h - VFS File System information structure
foreign lib {
/*
Obtains information about the file system containing the fildes.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/statvfs.html ]]
*/
@(link_name=LFSTATVFS)
fstatvfs :: proc(fildes: FD, buf: ^statvfs_t) -> result ---
/*
Obtains information about the file system containing the file named by path.
[[ More; https://pubs.opengroup.org/onlinepubs/9699919799/functions/statvfs.html ]]
*/
@(link_name=LSTATVFS)
statvfs :: proc(path: cstring, buf: ^statvfs_t) -> result ---
}
VFS_Flag_Bits :: enum c.ulong {
// Read-only file system.
RDONLY = log2(ST_RDONLY),
// Does not support the semantics of the ST_ISUID and ST_ISGID file mode bits.
NOSUID = log2(ST_NOSUID),
}
VFS_Flags :: bit_set[VFS_Flag_Bits; c.ulong]
when ODIN_OS == .NetBSD {
@(private) LFSTATVFS :: "__fstatvfs90"
@(private) LSTATVFS :: "__statvfs90"
} else {
@(private) LFSTATVFS :: "fstatvfs"
@(private) LSTATVFS :: "statvfs"
}
when ODIN_OS == .Darwin || ODIN_OS == .OpenBSD {
fsblkcnt_t :: distinct c.uint
statvfs_t :: struct {
f_bsize: c.ulong, /* [PSX] file system block size */
f_frsize: c.ulong, /* [PSX] fundamental file system block size */
f_blocks: fsblkcnt_t, /* [PSX] total number of blocks on file system in units of f_frsize */
f_bfree: fsblkcnt_t, /* [PSX] total number of free blocks */
f_bavail: fsblkcnt_t, /* [PSX] number of free blocks available to non-privileged process */
f_files: fsblkcnt_t, /* [PSX] total number of file serial numbers */
f_ffree: fsblkcnt_t, /* [PSX] total number of free file serial numbers */
f_favail: fsblkcnt_t, /* [PSX] number of file serial numbers available to non-privileged process */
f_fsid: c.ulong, /* [PSX] file system ID */
f_flag: VFS_Flags, /* [PSX] bit mask of f_flag values */
f_namemax: c.ulong, /* [PSX] maximum filename length */
}
ST_RDONLY :: 0x00000001
ST_NOSUID :: 0x00000002
} else when ODIN_OS == .FreeBSD {
fsblkcnt_t :: distinct c.uint64_t
statvfs_t :: struct {
f_bavail: fsblkcnt_t, /* [PSX] number of free blocks available to non-privileged process */
f_bfree: fsblkcnt_t, /* [PSX] total number of free blocks */
f_blocks: fsblkcnt_t, /* [PSX] total number of blocks on file system in units of f_frsize */
f_favail: fsblkcnt_t, /* [PSX] number of file serial numbers available to non-privileged process */
f_ffree: fsblkcnt_t, /* [PSX] total number of free file serial numbers */
f_files: fsblkcnt_t, /* [PSX] total number of file serial numbers */
f_bsize: c.ulong, /* [PSX] file system block size */
f_flag: VFS_Flags, /* [PSX] bit mask of f_flag values */
f_frsize: c.ulong, /* [PSX] fundamental file system block size */
f_fsid: c.ulong, /* [PSX] file system ID */
f_namemax: c.ulong, /* [PSX] maximum filename length */
}
ST_RDONLY :: 0x00000001
ST_NOSUID :: 0x00000002
} else when ODIN_OS == .NetBSD {
fsblkcnt_t :: distinct c.uint64_t
@(private)
_VFS_NAMELEN :: 1024
@(private)
fsid_t :: struct {
__fsid_val: [2]c.int,
}
statvfs_t :: struct {
f_flag: VFS_Flags, /* [PSX] bit mask of f_flag values */
f_bsize: c.ulong, /* [PSX] file system block size */
f_frsize: c.ulong, /* [PSX] fundamental file system block size */
f_iosize: c.ulong,
f_blocks: fsblkcnt_t, /* [PSX] total number of blocks on file system in units of f_frsize */
f_bfree: fsblkcnt_t, /* [PSX] total number of free blocks */
f_bavail: fsblkcnt_t, /* [PSX] number of free blocks available to non-privileged process */
f_bresvd: fsblkcnt_t,
f_files: fsblkcnt_t, /* [PSX] total number of file serial numbers */
f_ffree: fsblkcnt_t, /* [PSX] total number of free file serial numbers */
f_favail: fsblkcnt_t, /* [PSX] number of file serial numbers available to non-privileged process */
f_fresvd: fsblkcnt_t,
f_syncreads: c.uint64_t,
f_syncwrites: c.uint64_t,
f_asyncreads: c.uint64_t,
f_asyncwrites: c.uint64_t,
f_fsidx: fsid_t,
f_fsid: c.ulong, /* [PSX] file system ID */
f_namemax: c.ulong, /* [PSX] maximum filename length */
f_owner: uid_t,
f_spare: [4]c.uint64_t,
f_fstypename: [_VFS_NAMELEN]c.char `fmt:"s,0"`,
f_mntonname: [_VFS_NAMELEN]c.char `fmt:"s,0"`,
f_mntfromname: [_VFS_NAMELEN]c.char `fmt:"s,0"`,
f_mntfromlabel: [_VFS_NAMELEN]c.char `fmt:"s,0"`,
}
ST_RDONLY :: 0x00000001
ST_NOSUID :: 0x00000008
} else when ODIN_OS == .Linux {
fsblkcnt_t :: distinct c.uint64_t
statvfs_t :: struct {
f_bsize: c.ulong, /* [PSX] file system block size */
f_frsize: c.ulong, /* [PSX] fundamental file system block size */
f_blocks: fsblkcnt_t, /* [PSX] total number of blocks on file system in units of f_frsize */
f_bfree: fsblkcnt_t, /* [PSX] total number of free blocks */
f_bavail: fsblkcnt_t, /* [PSX] number of free blocks available to non-privileged process */
f_files: fsblkcnt_t, /* [PSX] total number of file serial numbers */
f_ffree: fsblkcnt_t, /* [PSX] total number of free file serial numbers */
f_favail: fsblkcnt_t, /* [PSX] number of file serial numbers available to non-privileged process */
f_fsid: c.ulong, /* [PSX] file system ID */
_: [2*size_of(c.int)-size_of(c.long)]byte,
f_flag: VFS_Flags, /* [PSX] bit mask of f_flag values */
f_namemax: c.ulong, /* [PSX] maximum filename length */
f_type: c.uint,
__reserved: [5]c.int,
}
ST_RDONLY :: 0x00000001
ST_NOSUID :: 0x00000002
}
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