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poly.h: add do ... while (0) to avoid -Wextra-semi-stmt warnings

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Clears 3 warnings from clang of the form:

PolyReg.c:224:67: warning: empty expression statement has no effect;
 remove unnecessary ';' to silence this warning [-Wextra-semi-stmt]
            BRESINITPGONSTRUCT(dy, top->x, bottom->x, pETEs->bres);
                                                                  ^

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/272>
This commit is contained in:
Alan Coopersmith 2024-11-10 13:08:31 -08:00
parent 906bf4a86d
commit 38c642c8eb
1 changed files with 8 additions and 8 deletions
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16
src/poly.h
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@ -80,7 +80,7 @@ SOFTWARE.
* If it is moving to the left, then we don't want it to flip until
* we traverse an entire pixel.
*/
#define BRESINITPGON(dy, x1, x2, xStart, d, m, m1, incr1, incr2) { \
#define BRESINITPGON(dy, x1, x2, xStart, d, m, m1, incr1, incr2) do { \
int dx; /* local storage */ \
\
/* \
@ -104,9 +104,9 @@ SOFTWARE.
d = -2 * m * (dy) + 2 * dx; \
} \
} \
}
} while (0)
#define BRESINCRPGON(d, minval, m, m1, incr1, incr2) { \
#define BRESINCRPGON(d, minval, m, m1, incr1, incr2) do { \
if (m1 > 0) { \
if (d > 0) { \
minval += m1; \
@ -126,7 +126,7 @@ SOFTWARE.
d += incr2; \
} \
} \
}
} while (0)
/*
@ -256,7 +256,7 @@ typedef struct _ScanLineListBlock {
* the caller when the edge has been removed so he
* can reorder the Winding Active Edge Table.
*/
#define EVALUATEEDGEWINDING(pAET, pPrevAET, y, fixWAET) { \
#define EVALUATEEDGEWINDING(pAET, pPrevAET, y, fixWAET) do { \
if (pAET->ymax == y) { /* leaving this edge */ \
pPrevAET->next = pAET->next; \
pAET = pPrevAET->next; \
@ -269,7 +269,7 @@ typedef struct _ScanLineListBlock {
pPrevAET = pAET; \
pAET = pAET->next; \
} \
}
} while (0)
/*
@ -279,7 +279,7 @@ typedef struct _ScanLineListBlock {
* x value to be ready for the next scanline.
* The even-odd rule is in effect.
*/
#define EVALUATEEDGEEVENODD(pAET, pPrevAET, y) { \
#define EVALUATEEDGEEVENODD(pAET, pPrevAET, y) do { \
if (pAET->ymax == y) { /* leaving this edge */ \
pPrevAET->next = pAET->next; \
pAET = pPrevAET->next; \
@ -291,4 +291,4 @@ typedef struct _ScanLineListBlock {
pPrevAET = pAET; \
pAET = pAET->next; \
} \
}
} while (0)