adding a drone build file

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

.drone.yml

@@ -0,0 +1,6 @@
+pipeline:
+  build:
+    image: golang:1.10
+    commands:
+      - go get ./...
+      - go test ./...

.gitmodules

@@ -1,3 +1,3 @@
-[submodule "src"]
-	path = src
-	url = https://github.com/unqlite/unqlite.git
+[submodule "unqlite"]
+	path = unqlite
+	url = https://github.com/symisc/unqlite.git

.travis.yml

@@ -2,11 +2,12 @@ language: go
 
 go:
   - 1.1
+  - 1.2
   - tip
 
 install:
   - go get github.com/r7kamura/gospel
-  - make install
+  - go install .
 
 script:
-  - make test
+  - go test .

Makefile

@@ -1,25 +0,0 @@
-# for GNU make
-.PHONY: all build install test clean
-
-all: build	
-
-build: libunqlite.a
-	go build
-
-install: libunqlite.a
-	go install
-
-clean:
-	rm -f libunqlite.a
-	rm -rf src/*
-
-test:
-	go test ./
-
-src/unqlite.c:
-	git submodule init
-	git submodule update
-
-libunqlite.a: src/unqlite.c src/unqlite.h
-	gcc -c src/unqlite.c -I./src -DUNQLITE_ENABLE_THREADS=1
-	ar rv libunqlite.a unqlite.o

README.md

@@ -3,21 +3,34 @@ unqlitego
 
 UnQLite Binding for golang.
 
+[Docs](https://godoc.org/git.thisco.de/vbatts/unqlitego)
+
 Install
 ---------
 
 ```sh
-go get -d github.com/nobonobo/unqlitego
-cd $GOPATH/src/github.com/nobonobo/unqlitego
-git submodule init
-git submodule update
-make
-go install
+$ go get git.thisco.de/vbatts/unqlitego
+```
+
+Test
+---------
+```sh
+$ go get github.com/r7kamura/gospel
+$ cd ${GOPATH/:*/}/src/git.thisco.de/vbatts/unqlitego
+$ go test .
 ```
 
 Benchmark
 ----------
 
+```sh
+$ go get github.com/r7kamura/gospel
+$ cd ${GOPATH/:*/}/src/git.thisco.de/vbatts/unqlitego
+$ go test -bench Bench*
+```
+
+Output:(Macbook Air 2011 mid)
+
 ```
 BenchmarkFileStore	  200000	      9667 ns/op
 BenchmarkFileFetch	  500000	      7928 ns/op

src

@@ -1 +0,0 @@
-Subproject commit 480271123692090441b41c54d0433218d592da15

unqlite

@@ -0,0 +1 @@
+Subproject commit ca65e2b9f690c7609bd0d062c142479b53074bd5

unqlite.c

@@ -0,0 +1 @@
+unqlite/unqlite.c

unqlite.go

@@ -1,8 +1,10 @@
 package unqlitego
 
 /*
-#cgo LDFLAGS: -L./ -lunqlite
-#include "./src/unqlite.h"
+#cgo linux CFLAGS: -DUNQLITE_ENABLE_THREADS=1 -Wno-unused-but-set-variable
+#cgo darwin CFLAGS: -DUNQLITE_ENABLE_THREADS=1
+#cgo windows CFLAGS: -DUNQLITE_ENABLE_THREADS=1
+#include "./unqlite.h"
 #include <stdlib.h>
 */
 import "C"
@@ -24,13 +26,30 @@ func (e UnQLiteError) Error() string {
 	return s
 }
 
-const (
-	// UnQLiteNoMemErr ...
-	UnQLiteNoMemErr UnQLiteError = UnQLiteError(C.UNQLITE_NOMEM)
-)
-
 var errString = map[UnQLiteError]string{
-	C.UNQLITE_NOMEM: "Out of memory",
+	C.UNQLITE_LOCKERR:        "Locking protocol error",
+	C.UNQLITE_READ_ONLY:      "Read only Key/Value storage engine",
+	C.UNQLITE_CANTOPEN:       "Unable to open the database file",
+	C.UNQLITE_FULL:           "Full database",
+	C.UNQLITE_VM_ERR:         "Virtual machine error",
+	C.UNQLITE_COMPILE_ERR:    "Compilation error",
+	C.UNQLITE_DONE:           "Operation done", // Not an error.
+	C.UNQLITE_CORRUPT:        "Corrupt pointer",
+	C.UNQLITE_NOOP:           "No such method",
+	C.UNQLITE_PERM:           "Permission error",
+	C.UNQLITE_EOF:            "End Of Input",
+	C.UNQLITE_NOTIMPLEMENTED: "Method not implemented by the underlying Key/Value storage engine",
+	C.UNQLITE_BUSY:           "The database file is locked",
+	C.UNQLITE_UNKNOWN:        "Unknown configuration option",
+	C.UNQLITE_EXISTS:         "Record exists",
+	C.UNQLITE_ABORT:          "Another thread have released this instance",
+	C.UNQLITE_INVALID:        "Invalid parameter",
+	C.UNQLITE_LIMIT:          "Database limit reached",
+	C.UNQLITE_NOTFOUND:       "No such record",
+	C.UNQLITE_LOCKED:         "Forbidden Operation",
+	C.UNQLITE_EMPTY:          "Empty record",
+	C.UNQLITE_IOERR:          "IO error",
+	C.UNQLITE_NOMEM:          "Out of memory",
 }
 
 // Database ...
@@ -80,9 +99,19 @@ func (db *Database) Close() (err error) {
 
 // Store ...
 func (db *Database) Store(key, value []byte) (err error) {
+	var k, v unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
+	if len(value) > 0 {
+		v = unsafe.Pointer(&value[0])
+	}
+
 	res := C.unqlite_kv_store(db.handle,
-		unsafe.Pointer(&key[0]), C.int(len(key)),
-		unsafe.Pointer(&value[0]), C.unqlite_int64(len(value)))
+		k, C.int(len(key)),
+		v, C.unqlite_int64(len(value)))
 	if res == C.UNQLITE_OK {
 		return nil
 	}
@@ -91,9 +120,19 @@ func (db *Database) Store(key, value []byte) (err error) {
 
 // Append ...
 func (db *Database) Append(key, value []byte) (err error) {
+	var k, v unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
+	if len(value) > 0 {
+		v = unsafe.Pointer(&value[0])
+	}
+
 	res := C.unqlite_kv_append(db.handle,
-		unsafe.Pointer(&key[0]), C.int(len(key)),
-		unsafe.Pointer(&value[0]), C.unqlite_int64(len(value)))
+		k, C.int(len(key)),
+		v, C.unqlite_int64(len(value)))
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 	}
@@ -102,14 +141,20 @@ func (db *Database) Append(key, value []byte) (err error) {
 
 // Fetch ...
 func (db *Database) Fetch(key []byte) (value []byte, err error) {
+	var k unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
 	var n C.unqlite_int64
-	res := C.unqlite_kv_fetch(db.handle, unsafe.Pointer(&key[0]), C.int(len(key)), nil, &n)
+	res := C.unqlite_kv_fetch(db.handle, k, C.int(len(key)), nil, &n)
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 		return
 	}
 	value = make([]byte, int(n))
-	res = C.unqlite_kv_fetch(db.handle, unsafe.Pointer(&key[0]), C.int(len(key)), unsafe.Pointer(&value[0]), &n)
+	res = C.unqlite_kv_fetch(db.handle, k, C.int(len(key)), unsafe.Pointer(&value[0]), &n)
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 	}
@@ -118,7 +163,13 @@ func (db *Database) Fetch(key []byte) (value []byte, err error) {
 
 // Delete ...
 func (db *Database) Delete(key []byte) (err error) {
-	res := C.unqlite_kv_delete(db.handle, unsafe.Pointer(&key[0]), C.int(len(key)))
+	var k unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
+	res := C.unqlite_kv_delete(db.handle, k, C.int(len(key)))
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 	}
@@ -177,7 +228,13 @@ func (curs *Cursor) Close() (err error) {
 
 // Seek ...
 func (curs *Cursor) Seek(key []byte) (err error) {
-	res := C.unqlite_kv_cursor_seek(curs.handle, unsafe.Pointer(&key[0]), C.int(len(key)), C.UNQLITE_CURSOR_MATCH_EXACT)
+	var k unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
+	res := C.unqlite_kv_cursor_seek(curs.handle, k, C.int(len(key)), C.UNQLITE_CURSOR_MATCH_EXACT)
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 	}
@@ -186,7 +243,13 @@ func (curs *Cursor) Seek(key []byte) (err error) {
 
 // SeekLE ...
 func (curs *Cursor) SeekLE(key []byte) (err error) {
-	res := C.unqlite_kv_cursor_seek(curs.handle, unsafe.Pointer(&key[0]), C.int(len(key)), C.UNQLITE_CURSOR_MATCH_LE)
+	var k unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
+	res := C.unqlite_kv_cursor_seek(curs.handle, k, C.int(len(key)), C.UNQLITE_CURSOR_MATCH_LE)
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 	}
@@ -195,7 +258,13 @@ func (curs *Cursor) SeekLE(key []byte) (err error) {
 
 // SeekGE ...
 func (curs *Cursor) SeekGE(key []byte) (err error) {
-	res := C.unqlite_kv_cursor_seek(curs.handle, unsafe.Pointer(&key[0]), C.int(len(key)), C.UNQLITE_CURSOR_MATCH_GE)
+	var k unsafe.Pointer
+
+	if len(key) > 0 {
+		k = unsafe.Pointer(&key[0])
+	}
+
+	res := C.unqlite_kv_cursor_seek(curs.handle, k, C.int(len(key)), C.UNQLITE_CURSOR_MATCH_GE)
 	if res != C.UNQLITE_OK {
 		err = UnQLiteError(res)
 	}

unqlite.h

@@ -0,0 +1 @@
+unqlite/unqlite.h

unqlite_test.go

@@ -3,9 +3,10 @@ package unqlitego
 import (
 	"bytes"
 	"fmt"
-	. "github.com/r7kamura/gospel"
 	"io/ioutil"
 	"testing"
+
+	. "github.com/r7kamura/gospel"
 )
 
 func Testライブラリ(t *testing.T) {
@@ -15,16 +16,16 @@ func Testライブラリ(t *testing.T) {
 				Expect(IsThreadSafe()).To(Equal, true)
 			})
 			It("Version", func() {
-				Expect(Version()).To(Equal, "1.1.6")
+				Expect(Version()).To(Equal, "1.1.7")
 			})
 			It("Signature", func() {
-				Expect(Signature()).To(Equal, "unqlite/1.1.6")
+				Expect(Signature()).To(Equal, "unqlite/1.1.7")
 			})
 			It("Ident", func() {
 				Expect(Ident()).To(Equal, "unqlite:b172a1e2c3f62fb35c8e1fb2795121f82356cad6")
 			})
 			It("Copyright", func() {
-				Expect(Copyright()).To(Equal, "Copyright (C) Symisc Systems, S.U.A.R.L [Mrad Chems Eddine <chm@symisc.net>] 2012-2013, http://unqlite.org/")
+				Expect(Copyright()).To(Equal, `Copyright (C) Symisc Systems, S.U.A.R.L [Mrad Chems Eddine <chm@symisc.net>] 2012-2016, http://unqlite.org/`)
 			})
 		})
 	})
@@ -54,11 +55,20 @@ func Testモジュール(t *testing.T) {
 				err := db.Store([]byte("sample"), src)
 				Expect(err).To(NotExist)
 			})
+			It("Database.Store.ZeroByte", func() {
+				err := db.Store([]byte{}, src)
+				Expect(err).To(Exist)
+			})
 			It("Database.Fetch", func() {
 				dst, err := db.Fetch([]byte("sample"))
 				Expect(err).To(NotExist)
 				Expect(bytes.Compare(src, dst)).To(Equal, 0)
 			})
+			It("Database.Fetch.ZeroByte", func() {
+				value, err := db.Fetch([]byte{})
+				Expect(err).To(Exist)
+				Expect(value).To(NotExist)
+			})
 			It("Database.Append", func() {
 				err1 := db.Append([]byte("sample"), []byte(" append"))
 				Expect(err1).To(NotExist)