From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 20 Jun 2018 10:30:35 +0000 (+0300)
Subject: Fix sizeof(jpeg_sig)
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgui.git;a=commitdiff_plain;h=eacf9fc4ab7a95d08414c0d94a46925dd1a987bd

Fix sizeof(jpeg_sig)

Initializing a char array with a string literal appends a nul byte at the
end, which is not something we want.
---

diff --git a/source/graphics/jpeg/jpegloader.cpp b/source/graphics/jpeg/jpegloader.cpp
index 39866c1..b580156 100644
--- a/source/graphics/jpeg/jpegloader.cpp
+++ b/source/graphics/jpeg/jpegloader.cpp
@@ -113,10 +113,10 @@ JpegLoader::~JpegLoader()
 
 bool JpegLoader::detect(const string &sig)
 {
-	static const char jpeg_sig[] = "\xFF\xD8\xFF";
+	static const char jpeg_sig[] = { '\xFF', '\xD8', '\xFF' };
 	if(sig.size()<sizeof(jpeg_sig))
 		return false;
-	return !sig.compare(0, 3, jpeg_sig);
+	return !sig.compare(0, sizeof(jpeg_sig), jpeg_sig);
 }
 
 void JpegLoader::load(Image::Data &data)