From 70e72f8c147a9be322324fba265e20efd33954d9 Mon Sep 17 00:00:00 2001
From: Frank Morgner <morgner@informatik.hu-berlin.de>
Date: Sun, 17 May 2015 22:36:31 +0200
Subject: [PATCH] Workaround for getting ATR on OS X 10.10

---
 virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c b/virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c
index 09824e5..c7ecee3 100644
--- a/virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c
+++ b/virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c
@@ -237,7 +237,13 @@ IFDHGetCapabilities (DWORD Lun, DWORD Tag, PDWORD Length, PUCHAR Value)
             }
             Log2(PCSC_LOG_DEBUG, "Got ATR (%d bytes)", size);
 
+#ifndef __APPLE__
             if (*Length < size) {
+#else
+            /* Apple's new SmartCardServices on OS X 10.10 doesn't set the
+             * length correctly so we only check for the maximum  */
+            if (MAX_ATR_SIZE < size) {
+#endif
                 free(atr);
                 Log1(PCSC_LOG_ERROR, "Not enough memory for ATR");
                 goto err;