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#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