From 5b9324916df329c913913896c9ac8da81bcc4c2d Mon Sep 17 00:00:00 2001
From: vms <michail.vms@gmail.com>
Date: Fri, 3 Sep 2021 13:49:23 +0300
Subject: [PATCH] fix BWU compatibility

---
 sqlite3.wit   | 5 +++++
 src/wrapper.c | 6 +++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/sqlite3.wit b/sqlite3.wit
index ef9c828..bf3d9c7 100644
--- a/sqlite3.wit
+++ b/sqlite3.wit
@@ -231,6 +231,7 @@
 (@interface func (type 19)
   arg.get 0
   string.size
+  i32.push 1
   call-core 0
   arg.get 0
   string.lower_memory
@@ -238,6 +239,7 @@
   i32.from_s32
   arg.get 2
   string.size
+  i32.push 1
   call-core 0
   arg.get 2
   string.lower_memory
@@ -307,6 +309,7 @@
   i32.from_u32
   arg.get 1
   string.size
+  i32.push 1
   call-core 0
   arg.get 1
   string.lower_memory
@@ -349,6 +352,7 @@
   i32.from_s32
   arg.get 2
   string.size
+  i32.push 1
   call-core 0
   arg.get 2
   string.lower_memory
@@ -366,6 +370,7 @@
   i32.from_u32
   arg.get 1
   string.size
+  i32.push 1
   call-core 0
   arg.get 1
   string.lower_memory
diff --git a/src/wrapper.c b/src/wrapper.c
index 65f0d12..0b17f75 100644
--- a/src/wrapper.c
+++ b/src/wrapper.c
@@ -8,7 +8,11 @@ int RESULT_SIZE;
 
 cvector_vector_type(void *) OBJECTS_TO_RELEASE;
 
-void* allocate(size_t size) {
+void* allocate(size_t size, size_t _type_tag) {
+  if (size == 0 || size + 1 == 0) {
+    return 0;
+  }
+
   // this +1 is needed to append then zero byte to strings passing to this module.
   return malloc(size + 1);
 }