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dix: use calloc() in _dixAllocateScreenObjectWithPrivates() 

We're clearing the whole object size anyways, so we can directly
use calloc() instead of malloc() plus memset().

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
This commit is contained in:
Enrico Weigelt, metux IT consult 2025-03-12 16:45:22 +01:00
parent 4ac10378e1
commit ead7cd4369
2 changed files with 1 additions and 4 deletions
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2
dix/privates.c
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@ -689,7 +689,6 @@ _dixInitScreenPrivates(ScreenPtr pScreen, PrivatePtr *privates, void *addr, DevP
void * void *
_dixAllocateScreenObjectWithPrivates(ScreenPtr pScreen, _dixAllocateScreenObjectWithPrivates(ScreenPtr pScreen,
unsigned baseSize, unsigned baseSize,
unsigned clear,
unsigned offset, unsigned offset,
DevPrivateType type) DevPrivateType type)
{ {
@ -713,7 +712,6 @@ _dixAllocateScreenObjectWithPrivates(ScreenPtr pScreen,
if (!object) if (!object)
return NULL; return NULL;
memset(object, '\0', clear);
privates = (PrivatePtr) (((char *) object) + baseSize); privates = (PrivatePtr) (((char *) object) + baseSize);
devPrivates = (PrivatePtr *) ((char *) object + offset); devPrivates = (PrivatePtr *) ((char *) object + offset);

3
include/privates.h
View File

@ -258,11 +258,10 @@ Bool dixPrivatesCreated(DevPrivateType type);
extern _X_EXPORT void * extern _X_EXPORT void *
_dixAllocateScreenObjectWithPrivates(ScreenPtr pScreen, _dixAllocateScreenObjectWithPrivates(ScreenPtr pScreen,
unsigned size, unsigned size,
unsigned clear,
unsigned offset, unsigned offset,
DevPrivateType type); DevPrivateType type);
#define dixAllocateScreenObjectWithPrivates(s, t, type) _dixAllocateScreenObjectWithPrivates(s, sizeof(t), sizeof(t), offsetof(t, devPrivates), type) #define dixAllocateScreenObjectWithPrivates(s, t, type) _dixAllocateScreenObjectWithPrivates(s, sizeof(t), offsetof(t, devPrivates), type)
extern _X_EXPORT int extern _X_EXPORT int
dixScreenSpecificPrivatesSize(ScreenPtr pScreen, DevPrivateType type); dixScreenSpecificPrivatesSize(ScreenPtr pScreen, DevPrivateType type);