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Fixed #2006: Use InitOnceExecuteOnce

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This commit is contained in:
Armin Novak 2018-01-08 10:37:48 +01:00
parent f7f52c4b67
commit d03f9858af
2 changed files with 38 additions and 47 deletions
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62
winpr/libwinpr/smartcard/smartcard.c
View File

@ -24,14 +24,33 @@
#include <winpr/crt.h>
#include <winpr/library.h>
#include <winpr/smartcard.h>
#include <winpr/synch.h>
#include "smartcard.h"
#include "smartcard_inspect.h"
static BOOL g_Initialized = FALSE;
static INIT_ONCE g_Initialized = INIT_ONCE_STATIC_INIT;
static PSCardApiFunctionTable g_SCardApi = NULL;
#define SCARDAPI_STUB_CALL_LONG(_name, ...) \
InitOnceExecuteOnce(&g_Initialized, InitializeSCardApiStubs, NULL, NULL); \
if (!g_SCardApi || !g_SCardApi->pfn ## _name) \
return SCARD_E_NO_SERVICE; \
return g_SCardApi->pfn ## _name ( __VA_ARGS__ )
#define SCARDAPI_STUB_CALL_HANDLE(_name, ...) \
InitOnceExecuteOnce(&g_Initialized, InitializeSCardApiStubs, NULL, NULL); \
if (!g_SCardApi || !g_SCardApi->pfn ## _name) \
return NULL; \
return g_SCardApi->pfn ## _name ( __VA_ARGS__ )
#define SCARDAPI_STUB_CALL_VOID(_name, ...) \
InitOnceExecuteOnce(&g_Initialized, InitializeSCardApiStubs, NULL, NULL); \
if (!g_SCardApi || !g_SCardApi->pfn ## _name) \
return; \
g_SCardApi->pfn ## _name ( __VA_ARGS__ )
/**
* Standard Windows Smart Card API
*/
@ -40,6 +59,24 @@ const SCARD_IO_REQUEST g_rgSCardT0Pci = { SCARD_PROTOCOL_T0, 8 };
const SCARD_IO_REQUEST g_rgSCardT1Pci = { SCARD_PROTOCOL_T1, 8 };
const SCARD_IO_REQUEST g_rgSCardRawPci = { SCARD_PROTOCOL_RAW, 8 };
static BOOL CALLBACK InitializeSCardApiStubs(PINIT_ONCE once, PVOID param, PVOID* context)
{
#ifndef _WIN32
if (PCSC_InitializeSCardApi() >= 0)
g_SCardApi = PCSC_GetSCardApiFunctionTable();
#else
if (WinSCard_InitializeSCardApi() >= 0)
g_SCardApi = WinSCard_GetSCardApiFunctionTable();
#endif
#ifdef WITH_SMARTCARD_INSPECT
g_SCardApi = Inspect_RegisterSCardApi(g_SCardApi);
#endif
}
WINSCARDAPI LONG WINAPI SCardEstablishContext(DWORD dwScope,
LPCVOID pvReserved1, LPCVOID pvReserved2, LPSCARDCONTEXT phContext)
{
@ -1153,26 +1190,3 @@ WINSCARDAPI char* WINAPI SCardGetReaderStateString(DWORD dwReaderState)
return szReaderState;
}
void InitializeSCardApiStubs(void)
{
g_Initialized = TRUE;
#ifndef _WIN32
if (PCSC_InitializeSCardApi() >= 0)
{
g_SCardApi = PCSC_GetSCardApiFunctionTable();
}
#else
if (WinSCard_InitializeSCardApi() >= 0)
{
g_SCardApi = WinSCard_GetSCardApiFunctionTable();
}
#endif
#ifdef WITH_SMARTCARD_INSPECT
g_SCardApi = Inspect_RegisterSCardApi(g_SCardApi);
#endif
}

23
winpr/libwinpr/smartcard/smartcard.h
View File

@ -22,29 +22,6 @@
#include <winpr/smartcard.h>
#define SCARDAPI_STUB_CALL_LONG(_name, ...) \
if (!g_Initialized) \
InitializeSCardApiStubs(); \
if (!g_SCardApi || !g_SCardApi->pfn ## _name) \
return SCARD_E_NO_SERVICE; \
return g_SCardApi->pfn ## _name ( __VA_ARGS__ )
#define SCARDAPI_STUB_CALL_HANDLE(_name, ...) \
if (!g_Initialized) \
InitializeSCardApiStubs(); \
if (!g_SCardApi || !g_SCardApi->pfn ## _name) \
return NULL; \
return g_SCardApi->pfn ## _name ( __VA_ARGS__ )
#define SCARDAPI_STUB_CALL_VOID(_name, ...) \
if (!g_Initialized) \
InitializeSCardApiStubs(); \
if (!g_SCardApi || !g_SCardApi->pfn ## _name) \
return; \
g_SCardApi->pfn ## _name ( __VA_ARGS__ )
void InitializeSCardApiStubs(void);
#ifndef _WIN32
#include "smartcard_pcsc.h"
#else