1 files changed, 0 insertions, 333 deletions
diff --git a/go/golang/gocache/48/486059282305d878bc3b40d4da5d5009fa872137f964209349faee26262e0fe9-d b/go/golang/gocache/48/486059282305d878bc3b40d4da5d5009fa872137f964209349faee26262e0fe9-d
deleted file mode 100644
index a18c4ad9..00000000
--- a/go/golang/gocache/48/486059282305d878bc3b40d4da5d5009fa872137f964209349faee26262e0fe9-d
+++ /dev/null
@@ -1,333 +0,0 @@
-// Code generated by cmd/cgo; DO NOT EDIT.
-
-//line /workdir/go/src/net/cgo_unix.go:1:1
-// Copyright 2011 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.
-
-// +build cgo,!netgo
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
-
-package net
-
-/*
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <unistd.h>
-#include <string.h>
-*/
-import _ "unsafe"
-
-import (
-	"context"
-	"syscall"
-	"unsafe"
-)
-
-// An addrinfoErrno represents a getaddrinfo, getnameinfo-specific
-// error number. It's a signed number and a zero value is a non-error
-// by convention.
-type addrinfoErrno int
-
-func (eai addrinfoErrno) Error() string   { return (_Cfunc_GoString)((_Cfunc_gai_strerror)(_Ctype_int(eai))) }
-func (eai addrinfoErrno) Temporary() bool { return eai == (_Ciconst_EAI_AGAIN) }
-func (eai addrinfoErrno) Timeout() bool   { return false }
-
-type portLookupResult struct {
-	port int
-	err  error
-}
-
-type ipLookupResult struct {
-	addrs []IPAddr
-	cname string
-	err   error
-}
-
-type reverseLookupResult struct {
-	names []string
-	err   error
-}
-
-func cgoLookupHost(ctx context.Context, name string) (hosts []string, err error, completed bool) {
-	addrs, err, completed := cgoLookupIP(ctx, name)
-	for _, addr := range addrs {
-		hosts = append(hosts, addr.String())
-	}
-	return
-}
-
-func cgoLookupPort(ctx context.Context, network, service string) (port int, err error, completed bool) {
-	var hints _Ctype_struct_addrinfo
-	switch network {
-	case "": // no hints
-	case "tcp", "tcp4", "tcp6":
-		hints.ai_socktype = (_Ciconst_SOCK_STREAM)
-		hints.ai_protocol = (_Ciconst_IPPROTO_TCP)
-	case "udp", "udp4", "udp6":
-		hints.ai_socktype = (_Ciconst_SOCK_DGRAM)
-		hints.ai_protocol = (_Ciconst_IPPROTO_UDP)
-	default:
-		return 0, &DNSError{Err: "unknown network", Name: network + "/" + service}, true
-	}
-	if len(network) >= 4 {
-		switch network[3] {
-		case '4':
-			hints.ai_family = (_Ciconst_AF_INET)
-		case '6':
-			hints.ai_family = (_Ciconst_AF_INET6)
-		}
-	}
-	if ctx.Done() == nil {
-		port, err := cgoLookupServicePort(&hints, network, service)
-		return port, err, true
-	}
-	result := make(chan portLookupResult, 1)
-	go cgoPortLookup(result, &hints, network, service)
-	select {
-	case r := <-result:
-		return r.port, r.err, true
-	case <-ctx.Done():
-		// Since there isn't a portable way to cancel the lookup,
-		// we just let it finish and write to the buffered channel.
-		return 0, mapErr(ctx.Err()), false
-	}
-}
-
-func cgoLookupServicePort(hints *_Ctype_struct_addrinfo, network, service string) (port int, err error) {
-	cservice := make([]byte, len(service)+1)
-	copy(cservice, service)
-	// Lowercase the C service name.
-	for i, b := range cservice[:len(service)] {
-		cservice[i] = lowerASCII(b)
-	}
-	var res *_Ctype_struct_addrinfo
-	gerrno, err := func(_cgo0 *_Ctype_char, _cgo1 *_Ctype_char, _cgo2 *_Ctype_struct_addrinfo, _cgo3 **_Ctype_struct_addrinfo) (_Ctype_int, error) {;	_cgoCheckPointer(_cgo2);	_cgoCheckPointer(_cgo3, true);	return (_C2func_getaddrinfo)(_cgo0, _cgo1, _cgo2, _cgo3);}(nil, (*_Ctype_char)(unsafe.Pointer(&cservice[0])), hints, &res)
-	if gerrno != 0 {
-		switch gerrno {
-		case (_Ciconst_EAI_SYSTEM):
-			if err == nil { // see golang.org/issue/6232
-				err = syscall.EMFILE
-			}
-		default:
-			err = addrinfoErrno(gerrno)
-		}
-		return 0, &DNSError{Err: err.Error(), Name: network + "/" + service}
-	}
-	defer func(_cgo0 *_Ctype_struct_addrinfo) {;	_cgoCheckPointer(_cgo0);	(_Cfunc_freeaddrinfo)(_cgo0);}(res)
-
-	for r := res; r != nil; r = r.ai_next {
-		switch r.ai_family {
-		case (_Ciconst_AF_INET):
-			sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.ai_addr))
-			p := (*[2]byte)(unsafe.Pointer(&sa.Port))
-			return int(p[0])<<8 | int(p[1]), nil
-		case (_Ciconst_AF_INET6):
-			sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(r.ai_addr))
-			p := (*[2]byte)(unsafe.Pointer(&sa.Port))
-			return int(p[0])<<8 | int(p[1]), nil
-		}
-	}
-	return 0, &DNSError{Err: "unknown port", Name: network + "/" + service}
-}
-
-func cgoPortLookup(result chan<- portLookupResult, hints *_Ctype_struct_addrinfo, network, service string) {
-	port, err := cgoLookupServicePort(hints, network, service)
-	result <- portLookupResult{port, err}
-}
-
-func cgoLookupIPCNAME(name string) (addrs []IPAddr, cname string, err error) {
-	acquireThread()
-	defer releaseThread()
-
-	var hints _Ctype_struct_addrinfo
-	hints.ai_flags = cgoAddrInfoFlags
-	hints.ai_socktype = (_Ciconst_SOCK_STREAM)
-
-	h := make([]byte, len(name)+1)
-	copy(h, name)
-	var res *_Ctype_struct_addrinfo
-	gerrno, err := func(_cgo0 *_Ctype_char, _cgo1 *_Ctype_char, _cgo2 *_Ctype_struct_addrinfo, _cgo3 **_Ctype_struct_addrinfo) (_Ctype_int, error) {;	_cgoCheckPointer(_cgo2, true);	_cgoCheckPointer(_cgo3, true);	return (_C2func_getaddrinfo)(_cgo0, _cgo1, _cgo2, _cgo3);}((*_Ctype_char)(unsafe.Pointer(&h[0])), nil, &hints, &res)
-	if gerrno != 0 {
-		switch gerrno {
-		case (_Ciconst_EAI_SYSTEM):
-			if err == nil {
-				// err should not be nil, but sometimes getaddrinfo returns
-				// gerrno == C.EAI_SYSTEM with err == nil on Linux.
-				// The report claims that it happens when we have too many
-				// open files, so use syscall.EMFILE (too many open files in system).
-				// Most system calls would return ENFILE (too many open files),
-				// so at the least EMFILE should be easy to recognize if this
-				// comes up again. golang.org/issue/6232.
-				err = syscall.EMFILE
-			}
-		case (_Ciconst_EAI_NONAME):
-			err = errNoSuchHost
-		default:
-			err = addrinfoErrno(gerrno)
-		}
-		return nil, "", &DNSError{Err: err.Error(), Name: name}
-	}
-	defer func(_cgo0 *_Ctype_struct_addrinfo) {;	_cgoCheckPointer(_cgo0);	(_Cfunc_freeaddrinfo)(_cgo0);}(res)
-
-	if res != nil {
-		cname = (_Cfunc_GoString)(res.ai_canonname)
-		if cname == "" {
-			cname = name
-		}
-		if len(cname) > 0 && cname[len(cname)-1] != '.' {
-			cname += "."
-		}
-	}
-	for r := res; r != nil; r = r.ai_next {
-		// We only asked for SOCK_STREAM, but check anyhow.
-		if r.ai_socktype != (_Ciconst_SOCK_STREAM) {
-			continue
-		}
-		switch r.ai_family {
-		case (_Ciconst_AF_INET):
-			sa := (*syscall.RawSockaddrInet4)(unsafe.Pointer(r.ai_addr))
-			addr := IPAddr{IP: copyIP(sa.Addr[:])}
-			addrs = append(addrs, addr)
-		case (_Ciconst_AF_INET6):
-			sa := (*syscall.RawSockaddrInet6)(unsafe.Pointer(r.ai_addr))
-			addr := IPAddr{IP: copyIP(sa.Addr[:]), Zone: zoneCache.name(int(sa.Scope_id))}
-			addrs = append(addrs, addr)
-		}
-	}
-	return addrs, cname, nil
-}
-
-func cgoIPLookup(result chan<- ipLookupResult, name string) {
-	addrs, cname, err := cgoLookupIPCNAME(name)
-	result <- ipLookupResult{addrs, cname, err}
-}
-
-func cgoLookupIP(ctx context.Context, name string) (addrs []IPAddr, err error, completed bool) {
-	if ctx.Done() == nil {
-		addrs, _, err = cgoLookupIPCNAME(name)
-		return addrs, err, true
-	}
-	result := make(chan ipLookupResult, 1)
-	go cgoIPLookup(result, name)
-	select {
-	case r := <-result:
-		return r.addrs, r.err, true
-	case <-ctx.Done():
-		return nil, mapErr(ctx.Err()), false
-	}
-}
-
-func cgoLookupCNAME(ctx context.Context, name string) (cname string, err error, completed bool) {
-	if ctx.Done() == nil {
-		_, cname, err = cgoLookupIPCNAME(name)
-		return cname, err, true
-	}
-	result := make(chan ipLookupResult, 1)
-	go cgoIPLookup(result, name)
-	select {
-	case r := <-result:
-		return r.cname, r.err, true
-	case <-ctx.Done():
-		return "", mapErr(ctx.Err()), false
-	}
-}
-
-// These are roughly enough for the following:
-//
-// Source		Encoding			Maximum length of single name entry
-// Unicast DNS		ASCII or			<=253 + a NUL terminator
-//			Unicode in RFC 5892		252 * total number of labels + delimiters + a NUL terminator
-// Multicast DNS	UTF-8 in RFC 5198 or		<=253 + a NUL terminator
-//			the same as unicast DNS ASCII	<=253 + a NUL terminator
-// Local database	various				depends on implementation
-const (
-	nameinfoLen    = 64
-	maxNameinfoLen = 4096
-)
-
-func cgoLookupPTR(ctx context.Context, addr string) (names []string, err error, completed bool) {
-	var zone string
-	ip := parseIPv4(addr)
-	if ip == nil {
-		ip, zone = parseIPv6Zone(addr)
-	}
-	if ip == nil {
-		return nil, &DNSError{Err: "invalid address", Name: addr}, true
-	}
-	sa, salen := cgoSockaddr(ip, zone)
-	if sa == nil {
-		return nil, &DNSError{Err: "invalid address " + ip.String(), Name: addr}, true
-	}
-	if ctx.Done() == nil {
-		names, err := cgoLookupAddrPTR(addr, sa, salen)
-		return names, err, true
-	}
-	result := make(chan reverseLookupResult, 1)
-	go cgoReverseLookup(result, addr, sa, salen)
-	select {
-	case r := <-result:
-		return r.names, r.err, true
-	case <-ctx.Done():
-		return nil, mapErr(ctx.Err()), false
-	}
-}
-
-func cgoLookupAddrPTR(addr string, sa *_Ctype_struct_sockaddr, salen _Ctype_socklen_t) (names []string, err error) {
-	acquireThread()
-	defer releaseThread()
-
-	var gerrno int
-	var b []byte
-	for l := nameinfoLen; l <= maxNameinfoLen; l *= 2 {
-		b = make([]byte, l)
-		gerrno, err = cgoNameinfoPTR(b, sa, salen)
-		if gerrno == 0 || gerrno != (_Ciconst_EAI_OVERFLOW) {
-			break
-		}
-	}
-	if gerrno != 0 {
-		switch gerrno {
-		case (_Ciconst_EAI_SYSTEM):
-			if err == nil { // see golang.org/issue/6232
-				err = syscall.EMFILE
-			}
-		default:
-			err = addrinfoErrno(gerrno)
-		}
-		return nil, &DNSError{Err: err.Error(), Name: addr}
-	}
-	for i := 0; i < len(b); i++ {
-		if b[i] == 0 {
-			b = b[:i]
-			break
-		}
-	}
-	return []string{absDomainName(b)}, nil
-}
-
-func cgoReverseLookup(result chan<- reverseLookupResult, addr string, sa *_Ctype_struct_sockaddr, salen _Ctype_socklen_t) {
-	names, err := cgoLookupAddrPTR(addr, sa, salen)
-	result <- reverseLookupResult{names, err}
-}
-
-func cgoSockaddr(ip IP, zone string) (*_Ctype_struct_sockaddr, _Ctype_socklen_t) {
-	if ip4 := ip.To4(); ip4 != nil {
-		return cgoSockaddrInet4(ip4), _Ctype_socklen_t(syscall.SizeofSockaddrInet4)
-	}
-	if ip6 := ip.To16(); ip6 != nil {
-		return cgoSockaddrInet6(ip6, zoneCache.index(zone)), _Ctype_socklen_t(syscall.SizeofSockaddrInet6)
-	}
-	return nil, 0
-}
-
-func copyIP(x IP) IP {
-	if len(x) < 16 {
-		return x.To16()
-	}
-	y := make(IP, len(x))
-	copy(y, x)
-	return y
-}