cppcheck: Variable 'rv' is reassigned a value before the old one has

been used.

This is a (minor) performance issue. I guess the compiler can optimize
the code as needed.


git-svn-id: svn:https://anonscm.debian.org/svn/pcsclite/trunk/PCSC@6558 0ce88b0d-b2fd-0310-8134-9614164e65ea

src/ifdwrapper.c

@@ -46,7 +46,7 @@
 LONG IFDSetPTS(READER_CONTEXT * rContext, DWORD dwProtocol, UCHAR ucFlags,
  UCHAR ucPTS1, UCHAR ucPTS2, UCHAR ucPTS3)
 {
- RESPONSECODE rv = IFD_SUCCESS;
+ RESPONSECODE rv;
 
 #ifndef PCSCLITE_STATIC_DRIVER
  RESPONSECODE(*IFDH_set_protocol_parameters) (DWORD, DWORD, UCHAR,
@@ -141,7 +141,7 @@ LONG IFDOpenIFD(READER_CONTEXT * rContext)
  */
 LONG IFDCloseIFD(READER_CONTEXT * rContext)
 {
- RESPONSECODE rv = IFD_SUCCESS;
+ RESPONSECODE rv;
  int repeat;
 
 #ifndef PCSCLITE_STATIC_DRIVER
@@ -183,7 +183,7 @@ LONG IFDCloseIFD(READER_CONTEXT * rContext)
 LONG IFDSetCapabilities(READER_CONTEXT * rContext, DWORD dwTag,
  DWORD dwLength, PUCHAR pucValue)
 {
- RESPONSECODE rv = IFD_SUCCESS;
+ RESPONSECODE rv;
 
 #ifndef PCSCLITE_STATIC_DRIVER
  RESPONSECODE(*IFDH_set_capabilities) (DWORD, DWORD, DWORD, PUCHAR) = NULL;
@@ -214,7 +214,7 @@ LONG IFDSetCapabilities(READER_CONTEXT * rContext, DWORD dwTag,
 LONG IFDGetCapabilities(READER_CONTEXT * rContext, DWORD dwTag,
  PDWORD pdwLength, PUCHAR pucValue)
 {
- RESPONSECODE rv = IFD_SUCCESS;
+ RESPONSECODE rv;
 
 #ifndef PCSCLITE_STATIC_DRIVER
  RESPONSECODE(*IFDH_get_capabilities) (DWORD, DWORD, PDWORD, /*@out@*/ PUCHAR) = NULL;
@@ -317,7 +317,7 @@ LONG IFDPowerICC(READER_CONTEXT * rContext, DWORD dwAction,
  */
 LONG IFDStatusICC(READER_CONTEXT * rContext, PDWORD pdwStatus)
 {
- RESPONSECODE rv = IFD_SUCCESS;
+ RESPONSECODE rv;
  DWORD dwCardStatus = 0;
 
 #ifndef PCSCLITE_STATIC_DRIVER
@@ -487,7 +487,7 @@ LONG IFDTransmit(READER_CONTEXT * rContext, SCARD_IO_HEADER pioTxPci,
  PUCHAR pucTxBuffer, DWORD dwTxLength, PUCHAR pucRxBuffer,
  PDWORD pdwRxLength, PSCARD_IO_HEADER pioRxPci)
 {
- RESPONSECODE rv = IFD_SUCCESS;
+ RESPONSECODE rv;
 
 #ifndef PCSCLITE_STATIC_DRIVER
  RESPONSECODE(*IFDH_transmit_to_icc) (DWORD, SCARD_IO_HEADER, PUCHAR,