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Diffstat (limited to 'tree.go')
-rw-r--r--tree.go16
1 files changed, 11 insertions, 5 deletions
diff --git a/tree.go b/tree.go
index c18d02a..aad2c8d 100644
--- a/tree.go
+++ b/tree.go
@@ -90,22 +90,28 @@ func (t Tree) EntryCount() uint64 {
type TreeWalkCallback func(string, *TreeEntry) int
//export CallbackGitTreeWalk
-func CallbackGitTreeWalk(_root unsafe.Pointer, _entry unsafe.Pointer, ptr unsafe.Pointer) C.int {
- root := C.GoString((*C.char)(_root))
+func CallbackGitTreeWalk(_root *C.char, _entry unsafe.Pointer, ptr unsafe.Pointer) C.int {
+ root := C.GoString(_root)
entry := (*C.git_tree_entry)(_entry)
- callback := *(*TreeWalkCallback)(ptr)
- return C.int(callback(root, newTreeEntry(entry)))
+ if callback, ok := pointerHandles.Get(ptr).(TreeWalkCallback); ok {
+ return C.int(callback(root, newTreeEntry(entry)))
+ } else {
+ panic("invalid treewalk callback")
+ }
}
func (t Tree) Walk(callback TreeWalkCallback) error {
runtime.LockOSThread()
defer runtime.UnlockOSThread()
+ ptr := pointerHandles.Track(callback)
+ defer pointerHandles.Untrack(ptr)
+
err := C._go_git_treewalk(
t.cast_ptr,
C.GIT_TREEWALK_PRE,
- unsafe.Pointer(&callback),
+ ptr,
)
if err < 0 {