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fb: avoid undefined left shift in line drawing

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This commit is contained in:
David 2026-10-25 02:08:02 -04:00
commit 40affea2b9
1 changed files with 2 additions and 2 deletions
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4
fb/fbbits.h
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@ -716,7 +716,7 @@ POLYLINE(DrawablePtr pDrawable,
}
e = -len;
e1 <<= 1;
e3 = e << 1;
e3 = e * 2;
FIXUP_ERROR(e, octant, bias);
if (and == 0) {
while (len--) {
@ -875,7 +875,7 @@ POLYSEGMENT(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pseg)
}
e = -len;
e1 <<= 1;
e3 = e << 1;
e3 = e * 2;
FIXUP_ERROR(e, octant, bias);
if (!capNotLast)
len++;