set ptr to nil after free

Jesse Ezell · Jesse Ezell · commit aea899e877cd · 2014-03-20T23:19:22.000-07:00
diff --git a/diff.go b/diff.go
@@ -147,6 +147,7 @@ func (diff *Diff) Free() error {
 	}
 	runtime.SetFinalizer(diff, nil)
 	C.git_diff_free(diff.ptr)
+	diff.ptr = nil
 	return nil
 }
 
diff --git a/patch.go b/patch.go
@@ -31,6 +31,7 @@ func (patch *Patch) Free() error {
 	}
 	runtime.SetFinalizer(patch, nil)
 	C.git_patch_free(patch.ptr)
+	patch.ptr = nil
 	return nil
 }
 

Original file line number	Diff line number	Diff line change
`@@ -147,6 +147,7 @@ func (diff *Diff) Free() error {`
`147`	`147`	`}`
`148`	`148`	`runtime.SetFinalizer(diff, nil)`
`149`	`149`	`C.git_diff_free(diff.ptr)`
	`150`	`+ diff.ptr = nil`
`150`	`151`	`return nil`
`151`	`152`	`}`
`152`	`153`
Original file line number	Diff line number	Diff line change
`@@ -31,6 +31,7 @@ func (patch *Patch) Free() error {`
`31`	`31`	`}`
`32`	`32`	`runtime.SetFinalizer(patch, nil)`
`33`	`33`	`C.git_patch_free(patch.ptr)`
	`34`	`+ patch.ptr = nil`
`34`	`35`	`return nil`
`35`	`36`	`}`
`36`	`37`