// Copyright 2012 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 syslog provides a simple interface to the system log
// service. It can send messages to the syslog daemon using UNIX
// domain sockets, UDP or TCP.
//
// Only one call to Dial is necessary. On write failures,
// the syslog client will attempt to reconnect to the server
// and write again.

// Copyright 2017 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 httpproxy provides support for HTTP proxy determination
// based on environment variables, as provided by net/http's
// ProxyFromEnvironment function.
//
// The API is not subject to the Go 1 compatibility promise and may change at
// any time.
package httpproxy

import (

// Copyright 2019 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.

// Linux system call wrappers that provide POSIX semantics through the
// corresponding cgo->libc (nptl) wrappers for various system calls.

//go:build linux

package cgo

import "unsafe"

// Each of the following entries is needed to ensure that the

# NOTE: this test is skipped on Windows, since there's no concept of signals.
# When a process terminates another process, it provides an exit code.
[GOOS:windows] skip
[!fuzz] skip
[short] skip
env GOCACHE=$WORK/cache

# FuzzNonCrash sends itself a signal that does not appear to be a crash.
# We should not save a crasher.
! go test -fuzz=FuzzNonCrash
! exists testdata
! stdout unreachable
! stderr unreachable

// Copyright 2018 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.

// This file provides a simple framework to add benchmarks
// based on generated input (source) files.

package format_test

import (
	"bytes"
	"flag"
	"fmt"
	"go/format"
	"os"
	"testing"
)

// Copyright 2023 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 version provides operations on [Go versions]
// in [Go toolchain name syntax]: strings like
// "go1.20", "go1.21.0", "go1.22rc2", and "go1.23.4-bigcorp".
//
// [Go versions]: https://go.dev/doc/toolchain#version
// [Go toolchain name syntax]: https://go.dev/doc/toolchain#name

// Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
//
// Developed at SunPro, a Sun Microsystems, Inc. business.
// Permission to use, copy, modify, and distribute this
// software is freely granted, provided that this notice
// is preserved.
// ====================================================
//
// __ieee754_remainder(x,y)
// Return :
//      returns  x REM y  =  x - [x/y]*y  as if in infinite

! go build -x -mod=readonly my-module/vendor/example.com/another-module/foo/bar/baz_with_outside_dep.go
stderr 'no required module provides package rsc.io/quote'
! go build -x -mod=vendor my-module/vendor/example.com/another-module/foo/bar/baz_with_outside_dep.go
stderr 'no required module provides package rsc.io/quote'

-- my-module/go.mod --
module example.com/my-module

go 1.20

! go list -mod=vendor -m rsc.io/quote@latest
stderr 'go: rsc.io/quote@latest: cannot query module due to -mod=vendor'
! go get -mod=vendor -u
stderr 'flag provided but not defined: -mod'

# Since we don't have a complete module graph, 'go list -m' queries
# that require the complete graph should fail with a useful error.
! go list -mod=vendor -m all

}

// formatHeader writes log header to buf in following order:
//   - l.prefix (if it's not blank and Lmsgprefix is unset),
//   - date and/or time (if corresponding flags are provided),
//   - file and line number (if corresponding flags are provided),
//   - l.prefix (if it's not blank and Lmsgprefix is set).
func formatHeader(buf *[]byte, t time.Time, prefix string, flag int, file string, line int) {
	if flag&Lmsgprefix == 0 {