From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 16 Oct 2013 18:12:44 +0000 (+0300)
Subject: Guard against no image loaders being enabled
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgui.git;a=commitdiff_plain;h=2c21eefd7cb9369bc3d9b801d49379d6c09a4eab;hp=88c49198486808f1b53f4417c387feb478e9b1c7

Guard against no image loaders being enabled
---

diff --git a/source/graphics/imageloader.cpp b/source/graphics/imageloader.cpp
index 15f0e50..06b70d1 100644
--- a/source/graphics/imageloader.cpp
+++ b/source/graphics/imageloader.cpp
@@ -43,6 +43,9 @@ ImageLoader *ImageLoader::open_io(IO::Seekable &io)
 		loaders.sort(signature_size_compare);
 	}
 
+	if(loaders.empty())
+		throw unsupported_image_format("no loaders");
+
 	vector<char> sig_buf(loaders.back()->get_signature_size());
 	unsigned sig_len = io.read(&sig_buf[0], sig_buf.size());
 	string signature(sig_buf.begin(), sig_buf.end());