frederik
/
xserver
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mfb: Remove usage of alloca 

Replace with heap-based allocations.
This commit is contained in:
Daniel Stone 2007-11-05 14:09:14 +00:00
parent be9ee17f96
commit f7d5c292e4
9 changed files with 81 additions and 81 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mfb/mfbbitblt.c
View File

@ -351,7 +351,7 @@ int dstx, dsty;
numRects = REGION_NUM_RECTS(&rgnDst);
if (numRects && width && height)
{
if(!(pptSrc = (DDXPointPtr)ALLOCATE_LOCAL(numRects *
if(!(pptSrc = (DDXPointPtr)xalloc(numRects *
sizeof(DDXPointRec))))
{
REGION_UNINIT(pGC->pScreen, &rgnDst);
@ -370,7 +370,7 @@ int dstx, dsty;
if (pGC->planemask & 1)
(*localDoBitBlt) (pSrcDrawable, pDstDrawable, pGC->alu, &rgnDst, pptSrc);
DEALLOCATE_LOCAL(pptSrc);
xfree(pptSrc);
}
prgnExposed = NULL;

26
mfb/mfbblt.c
View File

@ -119,13 +119,13 @@ MROP_NAME(mfbDoBitblt)(pSrc, pDst, alu, prgnDst, pptSrc)
if (nbox > 1)
{
/* keep ordering in each band, reverse order of bands */
pboxNew1 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec) * nbox);
pboxNew1 = (BoxPtr)xalloc(sizeof(BoxRec) * nbox);
if(!pboxNew1)
return;
pptNew1 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * nbox);
pptNew1 = (DDXPointPtr)xalloc(sizeof(DDXPointRec) * nbox);
if(!pptNew1)
{
DEALLOCATE_LOCAL(pboxNew1);
xfree(pboxNew1);
return;
}
pboxBase = pboxNext = pbox+nbox-1;
@ -163,16 +163,16 @@ MROP_NAME(mfbDoBitblt)(pSrc, pDst, alu, prgnDst, pptSrc)
if (nbox > 1)
{
/* reverse order of rects in each band */
pboxNew2 = (BoxPtr)ALLOCATE_LOCAL(sizeof(BoxRec) * nbox);
pptNew2 = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * nbox);
pboxNew2 = (BoxPtr)xalloc(sizeof(BoxRec) * nbox);
pptNew2 = (DDXPointPtr)xalloc(sizeof(DDXPointRec) * nbox);
if(!pboxNew2 || !pptNew2)
{
if (pptNew2) DEALLOCATE_LOCAL(pptNew2);
if (pboxNew2) DEALLOCATE_LOCAL(pboxNew2);
if (pptNew2) xfree(pptNew2);
if (pboxNew2) xfree(pboxNew2);
if (pboxNew1)
{
DEALLOCATE_LOCAL(pptNew1);
DEALLOCATE_LOCAL(pboxNew1);
xfree(pptNew1);
xfree(pboxNew1);
}
return;
}
@ -578,12 +578,12 @@ bits1 = *--psrc; --pdst; \
}
if (pboxNew2)
{
DEALLOCATE_LOCAL(pptNew2);
DEALLOCATE_LOCAL(pboxNew2);
xfree(pptNew2);
xfree(pboxNew2);
}
if (pboxNew1)
{
DEALLOCATE_LOCAL(pptNew1);
DEALLOCATE_LOCAL(pboxNew1);
xfree(pptNew1);
xfree(pboxNew1);
}
}

4
mfb/mfbfillrct.c
View File

@ -118,7 +118,7 @@ mfbPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
numRects = REGION_NUM_RECTS(prgnClip) * nrectFill;
if (numRects > NUM_STACK_RECTS)
{
pboxClippedBase = (BoxPtr)ALLOCATE_LOCAL(numRects * sizeof(BoxRec));
pboxClippedBase = (BoxPtr)xalloc(numRects * sizeof(BoxRec));
if (!pboxClippedBase)
return;
}
@ -222,5 +222,5 @@ mfbPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
if (pboxClipped != pboxClippedBase)
(*pfn) (pDrawable,pboxClipped-pboxClippedBase, pboxClippedBase, alu, ppix);
if (pboxClippedBase != stackRects)
DEALLOCATE_LOCAL(pboxClippedBase);
xfree(pboxClippedBase);
}

108
mfb/mfbfillsp.c
View File

@ -111,12 +111,12 @@ mfbBlackSolidFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -151,8 +151,8 @@ mfbBlackSolidFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
pwidth++;
ppt++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -183,12 +183,12 @@ mfbWhiteSolidFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -223,8 +223,8 @@ mfbWhiteSolidFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
pwidth++;
ppt++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -255,12 +255,12 @@ mfbInvertSolidFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -295,8 +295,8 @@ mfbInvertSolidFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
pwidth++;
ppt++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -330,12 +330,12 @@ mfbWhiteStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -372,8 +372,8 @@ mfbWhiteStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
pwidth++;
ppt++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -407,12 +407,12 @@ mfbBlackStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -449,8 +449,8 @@ mfbBlackStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
pwidth++;
ppt++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -484,12 +484,12 @@ mfbInvertStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -526,8 +526,8 @@ mfbInvertStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
pwidth++;
ppt++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -603,12 +603,12 @@ mfbTileFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -708,8 +708,8 @@ mfbTileFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
}
break;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -746,12 +746,12 @@ mfbUnnaturalTileFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -873,8 +873,8 @@ mfbUnnaturalTileFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
ppt++;
pwidth++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}
@ -912,12 +912,12 @@ mfbUnnaturalStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
return;
n = nInit * miFindMaxBand(pGC->pCompositeClip);
pwidthFree = (int *)ALLOCATE_LOCAL(n * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(n * sizeof(DDXPointRec));
pwidthFree = (int *)xalloc(n * sizeof(int));
pptFree = (DDXPointRec *)xalloc(n * sizeof(DDXPointRec));
if(!pptFree || !pwidthFree)
{
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
if (pptFree) xfree(pptFree);
if (pwidthFree) xfree(pwidthFree);
return;
}
pwidth = pwidthFree;
@ -1021,6 +1021,6 @@ mfbUnnaturalStippleFS(pDrawable, pGC, nInit, pptInit, pwidthInit, fSorted)
ppt++;
pwidth++;
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
xfree(pptFree);
xfree(pwidthFree);
}

4
mfb/mfbimggblt.c
View File

@ -293,7 +293,7 @@ MFBIMAGEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
int getWidth; /* bits to get from glyph */
#endif
if(!(ppos = (TEXTPOS *)ALLOCATE_LOCAL(nglyph * sizeof(TEXTPOS))))
if(!(ppos = (TEXTPOS *)xalloc(nglyph * sizeof(TEXTPOS))))
return;
pdstBase = mfbScanlineNoBankSwitch(pdstBase, x, y, widthDst);
@ -434,7 +434,7 @@ MFBIMAGEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
}
} /* for each glyph */
} /* while nbox-- */
DEALLOCATE_LOCAL(ppos);
xfree(ppos);
break;
}
default:

4
mfb/mfbpixmap.c
View File

@ -253,13 +253,13 @@ mfbYRotatePixmap(pPix, rh)
nbyDown = rh * pPix->devKind;
nbyUp = (pPix->devKind * height) - nbyDown;
if(!(ptmp = (char *)ALLOCATE_LOCAL(nbyUp)))
if(!(ptmp = (char *)xalloc(nbyUp)))
return;
memmove(ptmp, pbase, nbyUp); /* save the low rows */
memmove(pbase, pbase+nbyUp, nbyDown); /* slide the top rows down */
memmove(pbase+nbyDown, ptmp, nbyUp); /* move lower rows up to row rh */
DEALLOCATE_LOCAL(ptmp);
xfree(ptmp);
}
void

4
mfb/mfbplygblt.c
View File

@ -254,7 +254,7 @@ MFBPOLYGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
int getWidth; /* bits to get from glyph */
#endif
if(!(ppos = (TEXTPOS *)ALLOCATE_LOCAL(nglyph * sizeof(TEXTPOS))))
if(!(ppos = (TEXTPOS *)xalloc(nglyph * sizeof(TEXTPOS))))
return;
pdstBase = mfbScanlineNoBankSwitch(pdstBase, x, y, widthDst);
@ -388,7 +388,7 @@ MFBPOLYGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
}
} /* for each glyph */
} /* while nbox-- */
DEALLOCATE_LOCAL(ppos);
xfree(ppos);
break;
}
default:

4
mfb/mfbpushpxl.c
View File

@ -132,7 +132,7 @@ mfbSolidPP(pGC, pBitMap, pDrawable, dx, dy, xOrg, yOrg)
if (!REGION_NIL(&rgnDst))
{
i = REGION_NUM_RECTS(&rgnDst);
pptSrc = (DDXPointPtr)ALLOCATE_LOCAL(i * sizeof(DDXPointRec));
pptSrc = (DDXPointPtr)xalloc(i * sizeof(DDXPointRec));
if(pptSrc)
{
for (pbox = REGION_RECTS(&rgnDst), ppt = pptSrc;
@ -143,7 +143,7 @@ mfbSolidPP(pGC, pBitMap, pDrawable, dx, dy, xOrg, yOrg)
ppt->y = pbox->y1 - yOrg;
}
mfbDoBitblt((DrawablePtr)pBitMap, pDrawable, alu, &rgnDst, pptSrc);
DEALLOCATE_LOCAL(pptSrc);
xfree(pptSrc);
}
}
REGION_UNINIT(pGC->pScreen, &rgnDst);

4
mfb/mfbwindow.c
View File

@ -150,7 +150,7 @@ mfbCopyWindow(pWin, ptOldOrg, prgnSrc)
pbox = REGION_RECTS(prgnDst);
nbox = REGION_NUM_RECTS(prgnDst);
if(!(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec))))
if(!(pptSrc = (DDXPointPtr )xalloc(nbox * sizeof(DDXPointRec))))
return;
ppt = pptSrc;
@ -162,6 +162,6 @@ mfbCopyWindow(pWin, ptOldOrg, prgnSrc)
mfbDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot,
GXcopy, prgnDst, pptSrc);
DEALLOCATE_LOCAL(pptSrc);
xfree(pptSrc);
REGION_DESTROY(pWin->drawable.pScreen, prgnDst);
}