From 9ed3d415d10e26d7fe4a0b4d99ae5ae2ed1160f3 Mon Sep 17 00:00:00 2001
From: Chedli Bourguiba <chedli.bourguiba@edu.esiee.fr>
Date: Wed, 29 May 2024 15:57:09 +0200
Subject: [PATCH] Fix for frozen string literal to prepare for ruby 3.4

Cf. https://gist.github.com/fxn/bf4eed2505c76f4fca03ab48c43adc72
---
 lib/wicked_pdf/tempfile.rb | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/wicked_pdf/tempfile.rb b/lib/wicked_pdf/tempfile.rb
index b8079c0a..bcbd4c08 100644
--- a/lib/wicked_pdf/tempfile.rb
+++ b/lib/wicked_pdf/tempfile.rb
@@ -23,9 +23,9 @@ def write_in_chunks(input_string)
     def read_in_chunks
       rewind
       binmode
-      output_string = ''
-      output_string << read(chunk_size) until eof?
-      output_string
+      chunks = []
+      chunks << read(chunk_size) until eof?
+      chunks.join
     rescue Errno::EINVAL => e
       raise e, file_too_large_message
     end