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[uxa] Check xalloc returns and deal with failure 

Failing xalloc in a rendering function means just dropping the drawing on
the floor (that's what we've always done).
This commit is contained in:
Keith Packard 2008-08-05 22:36:03 -07:00
parent 8f10bfb127
commit 68f0872db6
1 changed files with 6 additions and 0 deletions
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6
uxa/uxa-accel.c
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@ -508,6 +508,8 @@ uxa_poly_point(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
}
prect = xalloc(sizeof(xRectangle) * npt);
if (!prect)
return;
for (i = 0; i < npt; i++) {
prect[i].x = ppt[i].x;
prect[i].y = ppt[i].y;
@ -543,6 +545,8 @@ uxa_poly_lines(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
}
prect = xalloc(sizeof(xRectangle) * (npt - 1));
if (!prect)
return;
x1 = ppt[0].x;
y1 = ppt[0].y;
/* If we have any non-horizontal/vertical, fall back. */
@ -612,6 +616,8 @@ uxa_poly_segment (DrawablePtr pDrawable, GCPtr pGC, int nseg,
}
prect = xalloc(sizeof(xRectangle) * nseg);
if (!prect)
return;
for (i = 0; i < nseg; i++) {
if (pSeg[i].x1 < pSeg[i].x2) {
prect[i].x = pSeg[i].x1;