[Pcsclite-cvs-commit] r5314 - /trunk/PCSC/src/ifdwrapper.c

[rousseau at users.alioth.debian.org]

Author: rousseau
Date: Wed Oct 13 16:23:06 2010
New Revision: 5314

URL: http://svn.debian.org/wsvn/pcsclite/?sc=1&rev=5314
Log:
IFDPowerICC(): allow to use NULL for pucAtr and pdwAtrLen to make power
down easy with IFDPowerICC(rContext, IFD_POWER_DOWN, NULL, NULL);

Modified:
    trunk/PCSC/src/ifdwrapper.c

Modified: trunk/PCSC/src/ifdwrapper.c
URL: http://svn.debian.org/wsvn/pcsclite/trunk/PCSC/src/ifdwrapper.c?rev=5314&op=diff
==============================================================================
--- trunk/PCSC/src/ifdwrapper.c (original)
+++ trunk/PCSC/src/ifdwrapper.c Wed Oct 13 16:23:06 2010
@@ -333,6 +333,8 @@
 #endif
 	DWORD dwStatus;
 	UCHAR ucValue[1];
+	UCHAR dummyAtr[MAX_ATR_SIZE];
+	DWORD dummyAtrLen = sizeof(dummyAtr);
 
 #ifndef PCSCLITE_STATIC_DRIVER
 	RESPONSECODE(*IFD_power_icc) (DWORD) = NULL;
@@ -345,6 +347,11 @@
 	rv = IFD_SUCCESS;
 	dwStatus = 0;
 	ucValue[0] = 0;
+
+	if (NULL == pucAtr)
+		pucAtr = dummyAtr;
+	if (NULL == pdwAtrLen)
+		pdwAtrLen = &dummyAtrLen;
 
 	/*
 	 * Check that the card is inserted first