From 9f6468ec82e70d279250f6d9b9c24ed248eae5de Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@iki.fi>
Date: Mon, 25 Aug 2025 17:51:07 +0300
Subject: [PATCH] sqlite3: Implement sqlite3_malloc() and sqlite3_free()

---
 sqlite3/src/lib.rs | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/sqlite3/src/lib.rs b/sqlite3/src/lib.rs
index 46d6d64b3..1e19c9eee 100644
--- a/sqlite3/src/lib.rs
+++ b/sqlite3/src/lib.rs
@@ -461,13 +461,24 @@ pub unsafe extern "C" fn sqlite3_limit(
 }
 
 #[no_mangle]
-pub unsafe extern "C" fn sqlite3_malloc64(_n: ffi::c_int) -> *mut ffi::c_void {
-    stub!();
+pub unsafe extern "C" fn sqlite3_malloc(n: ffi::c_int) -> *mut ffi::c_void {
+    sqlite3_malloc64(n)
 }
 
 #[no_mangle]
-pub unsafe extern "C" fn sqlite3_free(_ptr: *mut ffi::c_void) {
-    stub!();
+pub unsafe extern "C" fn sqlite3_malloc64(n: ffi::c_int) -> *mut ffi::c_void {
+    if n <= 0 {
+        return std::ptr::null_mut();
+    }
+    libc::malloc(n as usize)
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn sqlite3_free(ptr: *mut ffi::c_void) {
+    if ptr.is_null() {
+        return;
+    }
+    libc::free(ptr);
 }
 
 /// Returns the error code for the most recent failed API call to connection.