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Bug 553586: Heap corruption in Windows ShowNativePrintDialog. r=vlad

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This commit is contained in:
Jacek Caban 2010-04-03 07:35:27 -04:00
parent 431e038108
commit 43af34b1a0
1 changed files with 5 additions and 9 deletions
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14
embedding/components/printingui/src/win/nsPrintDialogUtil.cpp
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@ -205,7 +205,6 @@ MapPaperSizeToNativeEnum(LPDEVMODEW aDevMode,
#endif
const double kThreshold = 0.05;
PRBool foundEnum = PR_FALSE;
for (PRInt32 i=0;i<kNumPaperSizes;i++) {
double width = kPaperSizes[i].mWidth;
double height = kPaperSizes[i].mHeight;
@ -456,7 +455,7 @@ static void SetRadioOfGroup(HWND aDlg, int aRadId)
//--------------------------------------------------------
typedef struct {
char * mKeyStr;
const char * mKeyStr;
long mKeyId;
} PropKeyInfo;
@ -754,7 +753,6 @@ static HGLOBAL CreateGlobalDevModeAndInit(LPCWSTR aPrintName, nsIPrintSettings*
{
HGLOBAL hGlobalDevMode = NULL;
nsresult rv = NS_ERROR_FAILURE;
HANDLE hPrinter = NULL;
// const cast kludge for silly Win32 api's
LPWSTR printName = const_cast<wchar_t*>(aPrintName);
@ -863,7 +861,6 @@ ShowNativePrintDialog(HWND aHWnd,
//NS_ENSURE_ARG_POINTER(aHWnd);
NS_ENSURE_ARG_POINTER(aPrintSettings);
nsresult rv = NS_ERROR_FAILURE;
gDialogWasExtended = PR_FALSE;
HGLOBAL hGlobalDevMode = NULL;
@ -895,13 +892,12 @@ ShowNativePrintDialog(HWND aHWnd,
hDevNames = (HGLOBAL)::GlobalAlloc(GHND, sizeof(wchar_t) * (len + 1) +
sizeof(DEVNAMES));
DEVNAMES* pDevNames = (DEVNAMES*)::GlobalLock(hDevNames);
pDevNames->wDriverOffset = sizeof(DEVNAMES);
pDevNames->wDeviceOffset = sizeof(DEVNAMES);
pDevNames->wOutputOffset = sizeof(DEVNAMES)+len+1;
pDevNames->wDriverOffset = sizeof(DEVNAMES)/sizeof(wchar_t);
pDevNames->wDeviceOffset = sizeof(DEVNAMES)/sizeof(wchar_t);
pDevNames->wOutputOffset = sizeof(DEVNAMES)/sizeof(wchar_t)+len;
pDevNames->wDefault = 0;
wchar_t* device = &(((wchar_t*)pDevNames)[pDevNames->wDeviceOffset]);
wcscpy(device, printerName);
memcpy(pDevNames+1, printerName, (len + 1) * sizeof(wchar_t));
::GlobalUnlock(hDevNames);
// Create a Moveable Memory Object that holds a new DevMode