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cabinet: implement GetDllVersion function

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use DllGetVersion as helper function
read value from structure and return it as string
This commit is contained in:
tobi.goergens 2022-08-05 19:44:18 +02:00
parent 1196fb5a5b
commit aedb52802d
2 changed files with 64 additions and 1 deletions
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2
dlls/cabinet/cabinet.spec
View file

@ -1,4 +1,4 @@
1 stub GetDllVersion
1 stdcall GetDllVersion()
2 stdcall -private DllGetVersion (ptr) cabinet_dll_get_version
3 stdcall Extract(ptr str)
4 stub DeleteExtractedFiles

63
dlls/cabinet/cabinet_main.c
View file

@ -133,6 +133,69 @@ VOID WINAPI cabinet_dll_get_version (PCABINETDLLVERSIONINFO cabVerInfo)
}
}
/***********************************************************************
* GetDllVersion (CABINET.2)
*
* Returns the version of the Cabinet.dll
*
* PARAMS
* This function has to parameters
*
* RETURNS
* Success: cabDllVer: string of Cabinet.dll version
* Failure: empty string.
* Use GetLastError() to find out more about why the function failed
*
*/
LPCSTR WINAPI GetDllVersion(void)
{
PCABINETDLLVERSIONINFO cabVerInfo;
LPSTR cabDllVer;
int sizeVerInfo;
DWORD FileVersionMS;
DWORD FileVersionLS;
int majorV;
int minorV;
int buildV;
int revisV;
cabVerInfo = malloc(sizeof(CABINETDLLVERSIONINFO));
if(cabVerInfo == NULL) {
SetLastError(ERROR_OUTOFMEMORY);
TRACE("Cannot create cabVerInfo: Out of memory: Error = %ld.\n", GetLastError());
return "";
}
cabinet_dll_get_version(cabVerInfo);
if (cabVerInfo->cbStruct==0) {
TRACE("Cannot access struct: The length of the version information structure is 0: Error = %ld.\n", GetLastError());
return "";
}
FileVersionMS = cabVerInfo->dwFileVersionMS;
FileVersionLS = cabVerInfo->dwFileVersionLS;
/*length of 4 DWORDs + buffer*/
sizeVerInfo = 32;
cabDllVer = malloc(sizeVerInfo);
if (cabDllVer == NULL) {
SetLastError(ERROR_OUTOFMEMORY);
TRACE("Cannot create cabDllVer: Out of memory: Error = %ld.\n", GetLastError());
return "";
}
majorV = (int)( FileVersionMS >> 16 ) & 0xffff;
minorV = (int)( FileVersionMS >> 0 ) & 0xffff;
buildV = (int)( FileVersionLS >> 16 ) & 0xffff;
revisV = (int)( FileVersionLS >> 0 ) & 0xffff;
snprintf(cabDllVer, sizeVerInfo, "%d.%d.%d.%d\n",majorV,minorV,buildV,revisV);
return cabDllVer;
}
/* FDI callback functions */
static void * CDECL mem_alloc(ULONG cb)