Fix pathmap bug; expose lower-level heap manipulation from C

1 files changed, 9 insertions, 1 deletions

diff --git a/src/c/urweb.c b/src/c/urweb.c
index ffef10e7..0c6eefd5 100644
--- a/src/c/urweb.c
+++ b/src/c/urweb.c
@@ -1033,10 +1033,18 @@ static void buf_check_ctx(uw_context ctx, buf *b, size_t extra, const char *desc
   }
 }
 
-static void uw_check_heap(uw_context ctx, size_t extra) {
+void uw_check_heap(uw_context ctx, size_t extra) {
   buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
 }
 
+char *uw_heap_front(uw_context ctx) {
+  return ctx->heap.front;
+}
+
+void uw_set_heap_front(uw_context ctx, char *fr) {
+  ctx->heap.front = fr;
+}
+
 void *uw_malloc(uw_context ctx, size_t len) {
   void *result;