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dix: SetKeySymMap should alloc the map if dst doesn't have one already.

This commit is contained in:
Peter Hutterer 2007-11-15 16:23:48 +10:30
parent b40646dc10
commit 53539688ca
1 changed files with 10 additions and 2 deletions
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12
dix/devices.c
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@ -1046,10 +1046,9 @@ SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src)
KeySym *map;
int bytes = sizeof(KeySym) * src->mapWidth *
(dst->maxKeyCode - dst->minKeyCode + 1);
map = (KeySym *)xalloc(bytes);
map = (KeySym *)xcalloc(1, bytes);
if (!map)
return FALSE;
bzero((char *)map, bytes);
if (dst->map)
{
for (i = 0; i <= dst->maxKeyCode-dst->minKeyCode; i++)
@ -1060,6 +1059,15 @@ SetKeySymsMap(KeySymsPtr dst, KeySymsPtr src)
}
dst->mapWidth = src->mapWidth;
dst->map = map;
} else if (!dst->map)
{
KeySym *map;
int bytes = sizeof(KeySym) * src->mapWidth *
(dst->maxKeyCode - dst->minKeyCode + 1);
map = (KeySym *)xcalloc(1, bytes);
if (!map)
return FALSE;
dst->map = map;
}
memmove((char *)&dst->map[rowDif * dst->mapWidth],
(char *)src->map,