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[GDI32] Prevent double initialization in GdiProcessSetup

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Found with Application Verifier :)
This commit is contained in:
Mark Jansen 2020-10-09 14:28:32 +02:00
parent 49a8816a82
commit 7ed0f25b64
1 changed files with 16 additions and 11 deletions
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27
win32ss/gdi/gdi32/main/dllmain.c
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@ -4,6 +4,7 @@
#include <precomp.h>
static BOOL gbInitialized = FALSE;
extern HGDIOBJ stock_objects[];
BOOL SetStockObjects = FALSE;
PDEVCAPS GdiDevCaps = NULL;
@ -40,18 +41,22 @@ VOID
WINAPI
GdiProcessSetup(VOID)
{
hProcessHeap = GetProcessHeap();
if (!gbInitialized)
{
gbInitialized = TRUE;
hProcessHeap = GetProcessHeap();
/* map the gdi handle table to user space */
GdiHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
GdiSharedHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
GdiDevCaps = &GdiSharedHandleTable->DevCaps;
CurrentProcessId = NtCurrentTeb()->ClientId.UniqueProcess;
GDI_BatchLimit = (DWORD) NtCurrentTeb()->ProcessEnvironmentBlock->GdiDCAttributeList;
GdiHandleCache = (PGDIHANDLECACHE)NtCurrentTeb()->ProcessEnvironmentBlock->GdiHandleBuffer;
RtlInitializeCriticalSection(&semLocal);
InitializeCriticalSection(&gcsClientObjLinks);
GdiInitializeLanguagePack(0);
/* map the gdi handle table to user space */
GdiHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
GdiSharedHandleTable = NtCurrentTeb()->ProcessEnvironmentBlock->GdiSharedHandleTable;
GdiDevCaps = &GdiSharedHandleTable->DevCaps;
CurrentProcessId = NtCurrentTeb()->ClientId.UniqueProcess;
GDI_BatchLimit = (DWORD) NtCurrentTeb()->ProcessEnvironmentBlock->GdiDCAttributeList;
GdiHandleCache = (PGDIHANDLECACHE)NtCurrentTeb()->ProcessEnvironmentBlock->GdiHandleBuffer;
RtlInitializeCriticalSection(&semLocal);
InitializeCriticalSection(&gcsClientObjLinks);
GdiInitializeLanguagePack(0);
}
}
VOID