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dix: window: use calloc() instead of malloc() 

In general safer programming practise to always zero-out newly
allocated chunks.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-03-13 18:36:37 +01:00
parent f16d448722
commit 08cca901d4
1 changed files with 5 additions and 5 deletions
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10
dix/window.c
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@ -593,7 +593,7 @@ CreateRootWindow(ScreenPtr pScreen)
pWin->parent = NullWindow;
SetWindowToDefaults(pWin);
pWin->optional = malloc(sizeof(WindowOptRec));
pWin->optional = calloc(1, sizeof(WindowOptRec));
if (!pWin->optional)
return FALSE;
@ -3250,8 +3250,8 @@ TileScreenSaver(ScreenPtr pScreen, int kind)
cm.height = 16;
cm.xhot = 8;
cm.yhot = 8;
srcbits = malloc(BitmapBytePad(32) * 16);
mskbits = malloc(BitmapBytePad(32) * 16);
srcbits = calloc(BitmapBytePad(32), 16);
mskbits = calloc(BitmapBytePad(32), 16);
if (!srcbits || !mskbits) {
free(srcbits);
free(mskbits);
@ -3396,7 +3396,7 @@ MakeWindowOptional(WindowPtr pWin)
if (pWin->optional)
return TRUE;
optional = malloc(sizeof(WindowOptRec));
optional = calloc(1, sizeof(WindowOptRec));
if (!optional)
return FALSE;
optional->dontPropagateMask = DontPropagateMasks[pWin->dontPropagate];
@ -3492,7 +3492,7 @@ ChangeWindowDeviceCursor(WindowPtr pWin, DeviceIntPtr pDev, CursorPtr pCursor)
if (!pCursor)
return Success;
pNewNode = malloc(sizeof(DevCursNodeRec));
pNewNode = calloc(1, sizeof(DevCursNodeRec));
pNewNode->dev = pDev;
pNewNode->next = pWin->optional->deviceCursors;
pWin->optional->deviceCursors = pNewNode;