[Pcsclite-cvs-commit] r3018 - /trunk/PCSC/src/winscard_clnt.c
rousseau at users.alioth.debian.org
rousseau at users.alioth.debian.org
Tue Jun 24 08:31:48 UTC 2008
Author: rousseau
Date: Tue Jun 24 08:31:48 2008
New Revision: 3018
URL: http://svn.debian.org/wsvn/pcsclite/?sc=1&rev=3018
Log:
SCardListReaderGroups(): check for SCARD_E_INSUFFICIENT_BUFFER only if
mszGroups is non-null
Modified:
trunk/PCSC/src/winscard_clnt.c
Modified: trunk/PCSC/src/winscard_clnt.c
URL: http://svn.debian.org/wsvn/pcsclite/trunk/PCSC/src/winscard_clnt.c?rev=3018&op=diff
==============================================================================
--- trunk/PCSC/src/winscard_clnt.c (original)
+++ trunk/PCSC/src/winscard_clnt.c Tue Jun 24 08:31:48 2008
@@ -3296,16 +3296,19 @@
{
buf = mszGroups;
- if (*pcchGroups < dwGroups)
+ if ((NULL != mszGroups) && (*pcchGroups < dwGroups))
+ {
rv = SCARD_E_INSUFFICIENT_BUFFER;
+ goto end;
+ }
}
if (buf)
memcpy(buf, ReaderGroup, dwGroups);
+end:
*pcchGroups = dwGroups;
-end:
SYS_MutexUnLock(psContextMap[dwContextIndex].mMutex);
PROFILE_END(rv)
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