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Make sure DrvGetPrinterData returns the correct data if cbData <= 1

This commit is contained in:
Huw D M Davies 1999-01-26 10:07:39 +00:00 committed by Alexandre Julliard
parent a4c8445ba3
commit d92c95d522
1 changed files with 6 additions and 4 deletions
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10
misc/printdrv.c
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@ -138,14 +138,14 @@ INT32 WINAPI AbortDoc32(HDC32 hdc)
* Helper for DrvGetPrinterData
*/
static DWORD DrvGetPrinterDataInternal(LPSTR RegStr_Printer,
LPBYTE lpPrinterData, int cbData)
LPBYTE lpPrinterData, int cbData, int what)
{
DWORD res = -1;
HKEY hkey;
DWORD dwType, cbQueryData;
if (!(RegOpenKey32A(HKEY_LOCAL_MACHINE, RegStr_Printer, &hkey))) {
if (cbData > 1) { /* "Default DevMode" */
if (what == INT_PD_DEFAULT_DEVMODE) { /* "Default DevMode" */
if (!(RegQueryValueEx32A(hkey, DefaultDevMode, 0, &dwType, 0, &cbQueryData))) {
if (!lpPrinterData)
res = cbQueryData;
@ -200,7 +200,8 @@ DWORD WINAPI DrvGetPrinterData(LPSTR lpPrinter, LPSTR lpProfile,
if (((DWORD)lpProfile == INT_PD_DEFAULT_DEVMODE) || (HIWORD(lpProfile) &&
(!strcmp(lpProfile, DefaultDevMode)))) {
size = DrvGetPrinterDataInternal(RegStr_Printer, lpPrinterData, cbData);
size = DrvGetPrinterDataInternal(RegStr_Printer, lpPrinterData, cbData,
INT_PD_DEFAULT_DEVMODE);
if (size+1) {
*lpNeeded = size;
if ((lpPrinterData) && (*lpNeeded > cbData))
@ -217,7 +218,8 @@ DWORD WINAPI DrvGetPrinterData(LPSTR lpPrinter, LPSTR lpProfile,
res = ERROR_MORE_DATA;
goto failed;
}
size = DrvGetPrinterDataInternal(RegStr_Printer, lpPrinterData, 1);
size = DrvGetPrinterDataInternal(RegStr_Printer, lpPrinterData, cbData,
INT_PD_DEFAULT_MODEL);
if ((size+1) && (lpType))
*lpType = REG_SZ;
else