text: change datatype of Mark to uintptr_t

This should avoid undefined pointer comparisons.

1 files changed, 1 insertions, 1 deletions

diff --git a/vis-lua.c b/vis-lua.c
index ce54691..fa89a22 100644
--- a/vis-lua.c
+++ b/vis-lua.c
@@ -1609,7 +1609,7 @@ static int file_mark_set(lua_State *L) {
  */
 static int file_mark_get(lua_State *L) {
 	File *file = obj_ref_check(L, 1, "vis.file");
-	Mark mark = obj_lightref_check(L, 2, "vis.file.mark");
+	Mark mark = (Mark)obj_lightref_check(L, 2, "vis.file.mark");
 	size_t pos = text_mark_get(file->text, mark);
 	if (pos == EPOS)
 		lua_pushnil(L);