Initial commit

vendor/github.com/distatus/battery/ioctl.go

@@ -0,0 +1,48 @@
+// battery
+// Copyright (C) 2016,2023 Karol 'Kenji Takahashi' Woźniak
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+//go:build freebsd || dragonfly || netbsd
+
+package battery
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/unix"
+)
+
+func ioctl(fd int, nr int64, typ byte, size uintptr, retptr unsafe.Pointer) error {
+	_, _, errno := unix.Syscall(
+		unix.SYS_IOCTL,
+		uintptr(fd),
+		// Some magicks derived from sys/ioccom.h.
+		uintptr((0x40000000|0x80000000)|
+			((int64(size)&(1<<13-1))<<16)|
+			(int64(typ)<<8)|
+			nr,
+		),
+		uintptr(retptr),
+	)
+	if errno != 0 {
+		return errno
+	}
+	return nil
+}