From 3e5d7f41a6771acdcb5b21d2f06b93e555987264 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 2 Nov 2021 11:55:40 +0200
Subject: [PATCH 1/1] Use the append function to build hex dump

---
 source/graphics/imageloader.cpp | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/source/graphics/imageloader.cpp b/source/graphics/imageloader.cpp
index 52b0874..e224af6 100644
--- a/source/graphics/imageloader.cpp
+++ b/source/graphics/imageloader.cpp
@@ -1,6 +1,7 @@
 #include <msp/core/refptr.h>
 #include <msp/io/file.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include "bmploader.h"
 #include "imageloader.h"
 #ifdef WITH_LIBPNG
@@ -73,11 +74,7 @@ ImageLoader *ImageLoader::open_io(IO::Seekable &io)
 	{
 		string sig_hex;
 		for(unsigned i=0; i<sig_len; ++i)
-		{
-			if(i)
-				sig_hex += ' ';
-			sig_hex += format("%02X", static_cast<unsigned char>(sig_buf[i]));
-		}
+			append(sig_hex, " ", format("%02X", static_cast<unsigned char>(sig_buf[i])));
 		throw unsupported_image_format(sig_hex);
 	}
 
-- 
2.43.0