Copy values to avoid strict aliasing warning To make this code more resilient to future changes, we'll explicitly translate the libgit2 structure to the libxdiff structure.
diff --git a/src/diff_output.c b/src/diff_output.c
index a6d75f6..ee18ea6 100644
--- a/src/diff_output.c
+++ b/src/diff_output.c
@@ -316,6 +316,7 @@ int git_diff_foreach(
git_vector_foreach(&diff->deltas, info.index, delta) {
git_blob *old_blob = NULL, *new_blob = NULL;
git_map old_data, new_data;
+ mmfile_t old_xdiff_data, new_xdiff_data;
if (delta->status == GIT_DELTA_UNMODIFIED &&
(diff->opts.flags & GIT_DIFF_INCLUDE_UNMODIFIED) == 0)
@@ -418,8 +419,12 @@ int git_diff_foreach(
assert(hunk_cb || line_cb);
info.delta = delta;
+ old_xdiff_data.ptr = old_data.data;
+ old_xdiff_data.size = old_data.len;
+ new_xdiff_data.ptr = new_data.data;
+ new_xdiff_data.size = new_data.len;
- xdl_diff((mmfile_t *)&old_data, (mmfile_t *)&new_data,
+ xdl_diff(&old_xdiff_data, &new_xdiff_data,
&xdiff_params, &xdiff_config, &xdiff_callback);
cleanup: