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mi: Fix undefined shift in miSetVisualTypesAndMasks

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The masks we end up building will occupy all 32 bits of an unsigned int,
which means we had better build the shifts out of unsigned ints, because
left-shifting a signed int all the way into the sign bit is undefined.
This commit is contained in:
Adam Jackson
2019-10-15 13:01:27 -04:00
parent a41d45eedc
commit 3671a3ee88
1 changed files with 4 additions and 4 deletions
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8
mi/micmap.c
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@@ -278,14 +278,14 @@ miCreateDefColormap(ScreenPtr pScreen)
#define _RZ(d) ((d + 2) / 3)
#define _RS(d) 0
#define _RM(d) ((1 << _RZ(d)) - 1)
#define _RM(d) ((1U << _RZ(d)) - 1)
#define _GZ(d) ((d - _RZ(d) + 1) / 2)
#define _GS(d) _RZ(d)
#define _GM(d) (((1 << _GZ(d)) - 1) << _GS(d))
#define _GM(d) (((1U << _GZ(d)) - 1) << _GS(d))
#define _BZ(d) (d - _RZ(d) - _GZ(d))
#define _BS(d) (_RZ(d) + _GZ(d))
#define _BM(d) (((1 << _BZ(d)) - 1) << _BS(d))
#define _CE(d) (1 << _RZ(d))
#define _BM(d) (((1U << _BZ(d)) - 1) << _BS(d))
#define _CE(d) (1U << _RZ(d))
typedef struct _miVisuals {
struct _miVisuals *next;