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dll: convert all initialization to the initonce pattern

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This commit is contained in:
Bill Zissimopoulos
2016-06-16 12:17:38 -07:00
parent b695ef8ad8
commit 68d79b0c3b
13 changed files with 53 additions and 124 deletions
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17
src/dll/ntstatus.c
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@ -17,27 +17,19 @@
#include <dll/library.h>
static INIT_ONCE FspNtStatusInitOnce = INIT_ONCE_STATIC_INIT;
static ULONG (WINAPI *FspRtlNtStatusToDosError)(NTSTATUS Status);
VOID FspNtStatusInitialize(BOOLEAN Dynamic)
static BOOL WINAPI FspNtStatusInitialize(
PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context)
{
/*
* This function is called during DLL_PROCESS_ATTACH. We must therefore keep
* initialization tasks to a minimum.
*
* GetModuleHandle/GetProcAddress is allowed (because they are kernel32 API's)! See:
* https://msdn.microsoft.com/en-us/library/windows/desktop/dn633971(v=vs.85).aspx
*/
HANDLE Handle;
Handle = GetModuleHandleW(L"ntdll.dll");
if (0 != Handle)
FspRtlNtStatusToDosError = (PVOID)GetProcAddress(Handle, "RtlNtStatusToDosError");
}
VOID FspNtStatusFinalize(BOOLEAN Dynamic)
{
return TRUE;
}
FSP_API NTSTATUS FspNtStatusFromWin32(DWORD Error)
@ -53,6 +45,7 @@ FSP_API NTSTATUS FspNtStatusFromWin32(DWORD Error)
FSP_API DWORD FspWin32FromNtStatus(NTSTATUS Status)
{
InitOnceExecuteOnce(&FspNtStatusInitOnce, FspNtStatusInitialize, 0, 0);
if (0 == FspRtlNtStatusToDosError)
return ERROR_MR_MID_NOT_FOUND;