From 28bdadcbca3b6c0f8a49bf5624b3404eabc75e44 Mon Sep 17 00:00:00 2001
From: Pabloader <pabloader@pabloader.ru>
Date: Mon, 12 May 2025 18:43:36 +0000
Subject: [PATCH] Bufferized printf

---
 build/wasmPlugin.ts            | 17 ++++++++++-------
 src/games/playground/awoo.cpp  |  2 +-
 src/games/playground/index.tsx |  2 +-
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/build/wasmPlugin.ts b/build/wasmPlugin.ts
index 4ec48c9..c64d1f0 100644
--- a/build/wasmPlugin.ts
+++ b/build/wasmPlugin.ts
@@ -26,20 +26,25 @@ const wasmPlugin = ({ production, portable }: WasmLoaderConfig = {}): BunPlugin
 
                             return decoder.decode(memory.buffer.slice(start, end));
                         };
+                        let buf = '';
                         const { instance } = await WebAssembly.instantiateStreaming(fetch(url), {
                             env: {
                                 memory,
                                 log(format, argsPtr) {
                                     format = getString(format);
-                                    let buf = '';
                                     let isFormat = false;
                                     let w = 4;
                                     const align = (a) => argsPtr += (argsPtr % a);
                                     for (const c of format) {
-                                        if (!isFormat && c !== '%') {
-                                            buf += c;
-                                        } else if (!isFormat && c === '%') {
-                                            isFormat = true;
+                                        if (!isFormat) {
+                                            if (c === '%') {
+                                                isFormat = true;
+                                            } else if (c === '\\n') {
+                                                console.log('[wasm]', buf);
+                                                buf = '';
+                                            } else {
+                                                buf += c;
+                                            }
                                         } else switch(c) {
                                             case '%': buf += '%'; isFormat = false; break;
                                             case 's': align(4); buf += getString(data.getInt32(argsPtr, true)); argsPtr += 4; isFormat = false; break;
@@ -53,8 +58,6 @@ const wasmPlugin = ({ production, portable }: WasmLoaderConfig = {}): BunPlugin
                                             default: buf += '%' + c; isFormat = false; break;
                                         }
                                     }
-                                     
-                                    console.log('[wasm]', buf);
                                 },
                                 grow(blocks) {
                                     if (blocks > 0) {
diff --git a/src/games/playground/awoo.cpp b/src/games/playground/awoo.cpp
index 7737947..8f78c97 100644
--- a/src/games/playground/awoo.cpp
+++ b/src/games/playground/awoo.cpp
@@ -1,5 +1,5 @@
 #include <stdlib.h>
 
 EXPORT(cpptest) void cpptest() {
-    printf("Awoo! %t%%");
+    printf("Awoo! %t%%\n");
 }
\ No newline at end of file
diff --git a/src/games/playground/index.tsx b/src/games/playground/index.tsx
index a2591a4..c7d65ad 100644
--- a/src/games/playground/index.tsx
+++ b/src/games/playground/index.tsx
@@ -2,5 +2,5 @@ import awoo from "./awoo.cpp";
 
 export default function main() {
     awoo.cpptest();
-    console.log(awoo.memory.grow);
+    console.log(awoo);
 }
\ No newline at end of file