Added file reading check

TheCherno#168
coLdzeRadian · Nov 11, 2019 · 6e84e8d · 6e84e8d
1 parent ccccfdc
commit 6e84e8d
Showing 1 changed file with 13 additions and 5 deletions.
diff --git a/Hazel/src/Platform/OpenGL/OpenGLShader.cpp b/Hazel/src/Platform/OpenGL/OpenGLShader.cpp
@@ -54,11 +54,19 @@ namespace Hazel {
 		if (in)
 		{
 			in.seekg(0, std::ios::end);
-			result.resize(in.tellg());
-			in.seekg(0, std::ios::beg);
-			in.read(&result[0], result.size());
-			in.close();
-;		}
+			size_t size = in.tellg();
+			if (size != -1)
+			{
+				result.resize(size);
+				in.seekg(0, std::ios::beg);
+				in.read(&result[0], size);
+				in.close();
+			}
+			else
+			{
+				HZ_CORE_ERROR("Could not read from file '{0}'", filepath);
+			}
+		}
 		else
 		{
 			HZ_CORE_ERROR("Could not open file '{0}'", filepath);