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Added allocation failure checks in shadow_picture and caused it to exit 

gracefully rather than writing to unallocated memory.
This commit is contained in:
dolio 2004-09-17 05:20:35 +00:00
parent 7abdf973ea
commit ed88a47468
2 changed files with 26 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2004-09-17 Dan Doel <dolio@case.edu>
* xcompmgr.c: (shadow_picture):
Added some tests to check for failed pixmap/picture/gc allocations and
exit appropriately.
2004-09-14 Adam Jackson <ajax@freedesktop.org>
* xcompmgr.c:

20
xcompmgr.c
View File

@ -581,10 +581,30 @@ shadow_picture (Display *dpy, double opacity, Picture alpha_pict, int width, int
shadowImage->width,
shadowImage->height,
8);
if (!shadowPixmap)
{
XDestroyImage (shadowImage);
return None;
}
shadowPicture = XRenderCreatePicture (dpy, shadowPixmap,
XRenderFindStandardFormat (dpy, PictStandardA8),
0, 0);
if (!shadowPicture)
{
XDestroyImage (shadowImage);
XFreePixmap (dpy, shadowPixmap);
return None;
}
gc = XCreateGC (dpy, shadowPixmap, 0, 0);
if (!gc)
{
XDestroyImage (shadowImage);
XFreePixmap (dpy, shadowPixmap);
XRenderFreePicture (dpy, shadowPicture);
return None;
}
XPutImage (dpy, shadowPixmap, gc, shadowImage, 0, 0, 0, 0,
shadowImage->width,