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odb: don't copy buffer

This commit is contained in:
Ian Lance Taylor 2016-02-16 21:40:05 -08:00
parent ddbf1baab1
commit dc8b154f4f
1 changed files with 5 additions and 3 deletions
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8
odb.go
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@ -76,13 +76,15 @@ func (v *Odb) Exists(oid *Oid) bool {
func (v *Odb) Write(data []byte, otype ObjectType) (oid *Oid, err error) { func (v *Odb) Write(data []byte, otype ObjectType) (oid *Oid, err error) {
oid = new(Oid) oid = new(Oid)
cstr := C.CString(string(data)) var cptr unsafe.Pointer
defer C.free(unsafe.Pointer(cstr)) if len(data) > 0 {
cptr = unsafe.Pointer(&data[0])
}
runtime.LockOSThread() runtime.LockOSThread()
defer runtime.UnlockOSThread() 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 { if ret < 0 {
return nil, MakeGitError(ret) return nil, MakeGitError(ret)