clarify

5 files changed, 22 insertions, 2 deletions

diff --git a/README.md b/README.md
index 42c640b6a..7ee116651 100644
--- a/README.md
+++ b/README.md
@@ -1828,7 +1828,7 @@ const out = encode_png(
 );
 ```
 
-The [generated wrapper](https://github.com/Jarred-Sumner/bun/blob/c6d732eee2721cd6191672cbe2c57fb17c3fffe4/src/javascript/jsc/ffi.exports.js#L146-L148) will automatically convert the pointer to a TypedArray.
+The [auto-generated wrapper](https://github.com/Jarred-Sumner/bun/blob/c6d732eee2721cd6191672cbe2c57fb17c3fffe4/src/javascript/jsc/ffi.exports.js#L146-L148) converts the pointer to a TypedArray
 
 <details>
 
diff --git a/bench/ffi/plus100/plus100.bun.js b/bench/ffi/plus100/plus100.bun.js
index 3ddaff975..3eb4de02e 100644
--- a/bench/ffi/plus100/plus100.bun.js
+++ b/bench/ffi/plus100/plus100.bun.js
@@ -28,3 +28,7 @@ bench("noop() ", () => {
 // prevents gc and can help with jit optimizing out functions
 await run({ collect: false, percentiles: true });
 console.log("\n");
+
+if (plus100(1) !== 101) {
+  throw new Error("plus100(1) !== 101");
+}
diff --git a/bench/ffi/plus100/plus100.deno.js b/bench/ffi/plus100/plus100.deno.js
index 83e4fc317..ec58a8b64 100644
--- a/bench/ffi/plus100/plus100.deno.js
+++ b/bench/ffi/plus100/plus100.deno.js
@@ -24,3 +24,7 @@ bench("noop() ", () => {
 // collect option collects benchmark returned values into array
 // prevents gc and can help with jit optimizing out functions
 await run({ collect: false, percentiles: true });
+
+if (plus100(1) !== 101) {
+  throw new Error("plus100(1) !== 101");
+}
diff --git a/bench/ffi/plus100/plus100.napi.mjs b/bench/ffi/plus100/plus100.napi.mjs
index aa8d2636f..2b3015933 100644
--- a/bench/ffi/plus100/plus100.napi.mjs
+++ b/bench/ffi/plus100/plus100.napi.mjs
@@ -14,3 +14,7 @@ bench("noop() ", () => {
 });
 await run({ collect: false, percentiles: true });
 console.log("\n");
+
+if (plus100(1) !== 101) {
+  throw new Error("plus100(1) !== 101");
+}
diff --git a/types/bun/ffi.d.ts b/types/bun/ffi.d.ts
index 67cbfb593..96f6fa562 100644
--- a/types/bun/ffi.d.ts
+++ b/types/bun/ffi.d.ts
@@ -416,7 +416,15 @@ declare module "bun:ffi" {
   // export function callback(ffi: FFIFunction, cb: Function): number;
 
   export interface Library {
-    symbols: Record<string, CallableFunction>;
+    symbols: Record<
+      string,
+      CallableFunction & {
+        /**
+         * The function without a wrapper
+         */
+        native: CallableFunction;
+      }
+    >;
 
     /**
      * `dlclose` the library, unloading the symbols and freeing allocated memory.