// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Package syscall contains an interface to the low-level operating system
// primitives. The details vary depending on the underlying system, and
// by default, godoc will display the syscall documentation for the current
// system. If you want godoc to display syscall documentation for another
// system, set $GOOS and $GOARCH to the desired system. For example, if
// you want to view documentation for freebsd/arm on linux/amd64, set $GOOS
// to freebsd and $GOARCH to arm.
// The primary use of syscall is inside other packages that provide a more
// portable interface to the system, such as "os", "time" and "net".  Use
// those packages rather than this one if you can.
// For details of the functions and data types in this package consult
// the manuals for the appropriate operating system.
// These calls return err == nil to indicate success; otherwise
// err is an operating system error describing the failure.
// On most systems, that error has type syscall.Errno.
//
// Deprecated: this package is locked down. Callers should use the
// corresponding package in the golang.org/x/sys repository instead.
// That is also where updates required by new systems or versions
// should be applied. See https://golang.org/s/go1.4-syscall for more
// information.
//
package syscall

//go:generate go run ./mksyscall_windows.go -systemdll -output zsyscall_windows.go syscall_windows.go security_windows.go

// StringByteSlice converts a string to a NUL-terminated []byte,
// If s contains a NUL byte this function panics instead of
// returning an error.
//
// Deprecated: Use ByteSliceFromString instead.
func StringByteSlice(s string) []byte {
	a, err := ByteSliceFromString(s)
	if err != nil {
		panic("syscall: string with NUL passed to StringByteSlice")
	}
	return a
}

// ByteSliceFromString returns a NUL-terminated slice of bytes
// containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func ByteSliceFromString(s string) ([]byte, error) {
	for i := 0; i < len(s); i++ {
		if s[i] == 0 {
			return nil, EINVAL
		}
	}
	a := make([]byte, len(s)+1)
	copy(a, s)
	return a, nil
}

// StringBytePtr returns a pointer to a NUL-terminated array of bytes.
// If s contains a NUL byte this function panics instead of returning
// an error.
//
// Deprecated: Use BytePtrFromString instead.
func StringBytePtr(s string) *byte { return &StringByteSlice(s)[0] }

// BytePtrFromString returns a pointer to a NUL-terminated array of
// bytes containing the text of s. If s contains a NUL byte at any
// location, it returns (nil, EINVAL).
func BytePtrFromString(s string) (*byte, error) {
	a, err := ByteSliceFromString(s)
	if err != nil {
		return nil, err
	}
	return &a[0], nil
}

// Single-word zero for use when we need a valid pointer to 0 bytes.
// See mksyscall.pl.
var _zero uintptr

// Unix returns ts as the number of seconds and nanoseconds elapsed since the
// Unix epoch.
func (ts *Timespec) Unix() (sec int64, nsec int64) {
	return int64(ts.Sec), int64(ts.Nsec)
}

// Unix returns tv as the number of seconds and nanoseconds elapsed since the
// Unix epoch.
func (tv *Timeval) Unix() (sec int64, nsec int64) {
	return int64(tv.Sec), int64(tv.Usec) * 1000
}

// Nano returns ts as the number of nanoseconds elapsed since the Unix epoch.
func (ts *Timespec) Nano() int64 {
	return int64(ts.Sec)*1e9 + int64(ts.Nsec)
}

// Nano returns tv as the number of nanoseconds elapsed since the Unix epoch.
func (tv *Timeval) Nano() int64 {
	return int64(tv.Sec)*1e9 + int64(tv.Usec)*1000
}

// Getpagesize and Exit are provided by the runtime.

func Getpagesize() int
func Exit(code int)
