odb: don't copy buffer
diff --git a/odb.go b/odb.go
index dfad507..9c6baa3 100644
--- a/odb.go
+++ b/odb.go
@@ -76,13 +76,15 @@
func (v *Odb) Write(data []byte, otype ObjectType) (oid *Oid, err error) {
oid = new(Oid)
- cstr := C.CString(string(data))
- defer C.free(unsafe.Pointer(cstr))
+ var cptr unsafe.Pointer
+ if len(data) > 0 {
+ cptr = unsafe.Pointer(&data[0])
+ }
runtime.LockOSThread()
defer runtime.UnlockOSThread()
- ret := C.git_odb_write(oid.toC(), v.ptr, unsafe.Pointer(cstr), C.size_t(len(data)), C.git_otype(otype))
+ ret := C.git_odb_write(oid.toC(), v.ptr, cptr, C.size_t(len(data)), C.git_otype(otype))
if ret < 0 {
return nil, MakeGitError(ret)
