From b9cb6c4fe614e16debddeed202f5ededc40719bf Mon Sep 17 00:00:00 2001
From: daurnimator <quae@daurnimator.com>
Date: Sat, 7 Jul 2018 11:55:12 +1000
Subject: src/lundump.js: Fix reading empty string constants

Closes https://github.com/fengari-lua/fengari-interop/issues/42
---
 src/lundump.js | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/lundump.js b/src/lundump.js
index cf3fafa..2213015 100644
--- a/src/lundump.js
+++ b/src/lundump.js
@@ -108,16 +108,12 @@ class BytecodeParser {
     }
 
     readString() {
-        let size = Math.max(this.readByte() - 1, 0);
-
-        if (size + 1 === 0xFF)
-            size = this.readSize_t() - 1;
-
-        if (size === 0) {
+        let size = this.readByte();
+        if (size === 0xFF)
+            size = this.readSize_t();
+        if (size === 0)
             return null;
-        }
-
-        return luaS_bless(this.L, this.read(size));
+        return luaS_bless(this.L, this.read(size-1));
     }
 
     /* creates a mask with 'n' 1 bits at position 'p' */
-- 
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