ref: e9405d3baf0642a1b52c02b69eb0b8783f3263d8
dir: /src/error_check.h/
#ifndef RETVAL
#define RETVAL /* a comment*/
#endif
#if TGL_FEATURE_ERROR_CHECK == 1
#ifndef ERROR_FLAG
#if TGL_FEATURE_STRICT_OOM_CHECKS == 1
if (c->error_flag == GL_OUT_OF_MEMORY)
	return RETVAL;
#endif
#elif ERROR_FLAG != GL_OUT_OF_MEMORY
{
	c->error_flag = ERROR_FLAG;
	return RETVAL;
}
#else
{
	c->error_flag = GL_OUT_OF_MEMORY;
	return RETVAL;
}
#endif
#endif
#undef RETVAL
#undef ERROR_FLAG