posix: add package

2026-08-06 15:48:51 +00:00 · 2024-08-14 01:44:35 +02:00
parent ac68a9d52c
commit efe68c2e24
83 changed files with 12665 additions and 328 deletions
@@ -0,0 +1,135 @@
+package posix
+
+import "core:c"
+
+when ODIN_OS == .Darwin {
+	foreign import lib "system:System.framework"
+} 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 {
+	#panic("posix is unimplemented for the current target")
+}