[Pcsclite-cvs-commit] r5387 - /trunk/PCSC/src/winscard_msg.c

[rousseau at users.alioth.debian.org]

Author: rousseau
Date: Mon Nov  8 10:30:09 2010
New Revision: 5387

URL: http://svn.debian.org/wsvn/pcsclite/?sc=1&rev=5387
Log:
MessageSendWithHeader(): do not send a 0 length buffer.

Some commands only have a header and no data like CMD_GET_READERS_STATE

Modified:
    trunk/PCSC/src/winscard_msg.c

Modified: trunk/PCSC/src/winscard_msg.c
URL: http://svn.debian.org/wsvn/pcsclite/trunk/PCSC/src/winscard_msg.c?rev=5387&op=diff
==============================================================================
--- trunk/PCSC/src/winscard_msg.c (original)
+++ trunk/PCSC/src/winscard_msg.c Mon Nov  8 10:30:09 2010
@@ -305,7 +305,8 @@
 	ret = MessageSend(&header, sizeof(header), dwClientID);
 
 	/* command */
-	ret = MessageSend(data_void, size, dwClientID);
+	if (size > 0)
+		ret = MessageSend(data_void, size, dwClientID);
 
 	return ret;
 }