From 0b75a59cfe7181ec486a343d2add39118c2edbe8 Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Fri, 29 Aug 2003 22:04:35 +0000
Subject: [PATCH] Added an explicit check for file extension so that only .jpg
 and .jpeg files are loaded with the JPEG plugin, thus avoid a crash which was
 occuring when it was passed non JPEG files.

---
 src/osgPlugins/jpeg/ReaderWriterJPEG.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/osgPlugins/jpeg/ReaderWriterJPEG.cpp b/src/osgPlugins/jpeg/ReaderWriterJPEG.cpp
index 3c1f22b0c..bfa51db04 100644
--- a/src/osgPlugins/jpeg/ReaderWriterJPEG.cpp
+++ b/src/osgPlugins/jpeg/ReaderWriterJPEG.cpp
@@ -281,6 +281,8 @@ class ReaderWriterJPEG : public osgDB::ReaderWriter
 
         virtual ReadResult readImage(const std::string& fileName, const osgDB::ReaderWriter::Options*)
         {
+            std::string ext = osgDB::getFileExtension(fileName);
+            if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
 
             unsigned char *imageData = NULL;
             int width_ret;