use standard library context

Makefile

@@ -1,15 +1,12 @@
 
-.PHONY: deps all test full-test bin
-
-deps:
-	go mod download
+.PHONY: all test full-test bin
 
 bin:
 	mkdir -p bin
 	GOBIN=${PWD}/bin go install ./exp/cmd/...
 	GOBIN=${PWD}/bin go install ./cmd/...
 
-all: deps check full-test bin
+all: check full-test bin
 
 test:
 	go test -cover ./...

README.md

@@ -1,5 +1,4 @@
-# lmdb-go [![GitHub Release](https://img.shields.io/github/v/release/PowerDNS/lmdb-go)](https://github.com/PowerDNS/lmdb-go/releases)
- [![C/v0.9.35](https://img.shields.io/badge/C-v0.9.35-555555.svg)](https://github.com/LMDB/lmdb/blob/mdb.RE/0.9/libraries/liblmdb/CHANGES) [![Build Status](https://github.com/PowerDNS/lmdb-go/actions/workflows/go.yml/badge.svg?branch=master)](https://github.com/PowerDNS/lmdb-go/actions/workflows/go.yml?query=branch%3Amaster)
+# lmdb-go [![GitHub Release](https://img.shields.io/github/v/release/PowerDNS/lmdb-go)](https://github.com/PowerDNS/lmdb-go/releases) [![C/v0.9.35](https://img.shields.io/badge/C-v0.9.35-555555.svg)](https://github.com/LMDB/lmdb/blob/mdb.RE/0.9/libraries/liblmdb/CHANGES) [![Build Status](https://github.com/PowerDNS/lmdb-go/actions/workflows/go.yml/badge.svg?branch=master)](https://github.com/PowerDNS/lmdb-go/actions/workflows/go.yml?query=branch%3Amaster)
 
 Go bindings to the OpenLDAP Lightning Memory-Mapped Database (LMDB).
 

exp/lmdbsync/handler.go

@@ -1,13 +1,12 @@
 package lmdbsync
 
 import (
+	"context"
 	"errors"
 	"math"
 	"math/rand"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/PowerDNS/lmdb-go/lmdb"
 )
 

exp/lmdbsync/handler_test.go

@@ -1,12 +1,11 @@
 package lmdbsync
 
 import (
+	"context"
 	"fmt"
 	"testing"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/PowerDNS/lmdb-go/internal/lmdbtest"
 	"github.com/PowerDNS/lmdb-go/lmdb"
 )
@@ -59,7 +58,6 @@ type passthroughHandler struct{}
 
 func (*passthroughHandler) HandleTxnErr(ctx context.Context, env *Env, err error) (context.Context, error) {
 	return ctx, err
-
 }
 
 func TestMapFullHandler(t *testing.T) {

exp/lmdbsync/lmdbsync.go

@@ -106,13 +106,12 @@ See mdb_env_open and MDB_NOLOCK.
 package lmdbsync
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"sync"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/PowerDNS/lmdb-go/lmdb"
 )
 
@@ -261,6 +260,7 @@ func (r *Env) runHandler(readonly bool, fn func() error, h Handler) error {
 		}
 	}
 }
+
 func (r *Env) run(readonly bool, fn func() error) error {
 	var err error
 	if r.noLock && !readonly {

exp/lmdbsync/testresize/main.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"bufio"
+	"context"
 	"crypto/rand"
 	"flag"
 	"fmt"
@@ -26,8 +27,6 @@ import (
 	"os"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/PowerDNS/lmdb-go/exp/lmdbsync"
 	"github.com/PowerDNS/lmdb-go/lmdb"
 )
@@ -152,7 +151,7 @@ func OpenEnv(path string) (*lmdbsync.Env, error) {
 	if err != nil {
 		return nil, err
 	}
-	err = env.Open(path, 0, 0644)
+	err = env.Open(path, 0, 0o644)
 	if err != nil {
 		env.Close()
 		return nil, err

exp/lmdbsync/testresize_test.go

@@ -2,6 +2,7 @@ package lmdbsync
 
 import (
 	"bufio"
+	"context"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -11,8 +12,6 @@ import (
 	"testing"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/PowerDNS/lmdb-go/lmdb"
 )
 
@@ -24,7 +23,7 @@ func TestResize(t *testing.T) {
 	defer os.RemoveAll(tempdir)
 
 	dbpath := filepath.Join(tempdir, "db")
-	err = os.Mkdir(dbpath, 0755)
+	err = os.Mkdir(dbpath, 0o755)
 	if err != nil {
 		t.Error(err)
 		return
@@ -36,7 +35,7 @@ func TestResize(t *testing.T) {
 		return
 	}
 	defer env.Close()
-	err = env.Open(dbpath, 0, 0644)
+	err = env.Open(dbpath, 0, 0o644)
 	if err != nil {
 		t.Error(err)
 		return

go.mod

@@ -1,5 +1,3 @@
 module github.com/PowerDNS/lmdb-go
 
 go 1.17
-
-require golang.org/x/net v0.0.0-20210415231046-e915ea6b2b7d

lmdb/lmdbgo.h

@@ -15,7 +15,7 @@
  * problem and the decision.
  *      https://github.com/golang/go/issues/14387
  *      https://github.com/golang/go/issues/15048
- *      https://github.com/PowerDNS/lmdb-go/issues/63
+ *      https://github.com/bmatsuo/lmdb-go/issues/63
  * */
 int lmdbgo_mdb_del(MDB_txn *txn, MDB_dbi dbi, char *kdata, size_t kn, char *vdata, size_t vn);
 int lmdbgo_mdb_get(MDB_txn *txn, MDB_dbi dbi, char *kdata, size_t kn, MDB_val *val);

lmdb/txn.go

@@ -371,12 +371,14 @@ func (txn *Txn) Stat(dbi DBI) (*Stat, error) {
 	if ret != success {
 		return nil, operrno("mdb_stat", ret)
 	}
-	stat := Stat{PSize: uint(_stat.ms_psize),
+	stat := Stat{
+		PSize:         uint(_stat.ms_psize),
 		Depth:         uint(_stat.ms_depth),
 		BranchPages:   uint64(_stat.ms_branch_pages),
 		LeafPages:     uint64(_stat.ms_leaf_pages),
 		OverflowPages: uint64(_stat.ms_overflow_pages),
-		Entries:       uint64(_stat.ms_entries)}
+		Entries:       uint64(_stat.ms_entries),
+	}
 	return &stat, nil
 }