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7752d8450d
Only key difference that calloc(), in contrast to rellocarray(),
is zero-initializing. The overhead is hard to measure on today's
machines, and it's safer programming practise to always allocate
zero-initialized, so one can't forget to do it explicitly.
Cocci rule:
@@
expression COUNT;
expression LEN;
@@
- xallocarray(COUNT,LEN)
+ calloc(COUNT,LEN)
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/*
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* Copyright © 2014 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <dix-config.h>
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#include "glamor_priv.h"
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void
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glamor_solid_boxes(DrawablePtr drawable,
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BoxPtr box, int nbox, unsigned long fg_pixel)
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{
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GCPtr gc;
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xRectangle *rect;
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int n;
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rect = calloc(nbox, sizeof(xRectangle));
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if (!rect)
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return;
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for (n = 0; n < nbox; n++) {
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rect[n].x = box[n].x1;
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rect[n].y = box[n].y1;
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rect[n].width = box[n].x2 - box[n].x1;
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rect[n].height = box[n].y2 - box[n].y1;
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}
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gc = GetScratchGC(drawable->depth, drawable->pScreen);
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if (gc) {
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ChangeGCVal vals[1];
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vals[0].val = fg_pixel;
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ChangeGC(NullClient, gc, GCForeground, vals);
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ValidateGC(drawable, gc);
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gc->ops->PolyFillRect(drawable, gc, nbox, rect);
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FreeScratchGC(gc);
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}
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free(rect);
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}
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void
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glamor_solid(PixmapPtr pixmap, int x, int y, int width, int height,
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unsigned long fg_pixel)
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{
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DrawablePtr drawable = &pixmap->drawable;
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GCPtr gc;
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ChangeGCVal vals[1];
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xRectangle rect;
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vals[0].val = fg_pixel;
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gc = GetScratchGC(drawable->depth, drawable->pScreen);
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if (!gc)
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return;
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ChangeGC(NullClient, gc, GCForeground, vals);
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ValidateGC(drawable, gc);
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rect.x = x;
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rect.y = y;
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rect.width = width;
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rect.height = height;
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gc->ops->PolyFillRect(drawable, gc, 1, &rect);
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FreeScratchGC(gc);
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}
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