Fix RIGHTS_FD_WRITE constant value used in consolePrinter

The wrong value led `IO.open(1, "w")` to fail
ruby · Jun 15, 2024 · faa5102 · faa5102
1 parent 4ff7c8d
commit faa5102
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/npm-packages/ruby-wasm-wasi/src/console.ts b/packages/npm-packages/ruby-wasm-wasi/src/console.ts
@@ -121,7 +121,9 @@ export function consolePrinter(
         view.setUint8(fs_filetypePtr, 2); // FILETYPE_CHARACTER_DEVICE
 
         const fs_rights_basePtr = fdstat + 8;
-        view.setBigUint64(fs_rights_basePtr, BigInt(1)); // RIGHTS_FD_WRITE
+        // See https://github.com/WebAssembly/WASI/blob/v0.2.0/legacy/preview1/docs.md#record-members
+        const RIGHTS_FD_WRITE = 1 << 6;
+        view.setBigUint64(fs_rights_basePtr, BigInt(RIGHTS_FD_WRITE), true);
 
         return 0;
       };