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ImageMagick · Jun 16, 2019 · ab91bfd · ab91bfd
1 parent 37c442d
commit ab91bfd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/MagickCore/xwindow.c b/MagickCore/xwindow.c
@@ -5528,6 +5528,7 @@ MagickPrivate MagickBooleanType XMakeImage(Display *display,
       segment_info[1].shmaddr=(char *) NULL;
       ximage=XShmCreateImage(display,window->visual,(unsigned int) depth,format,
         (char *) NULL,&segment_info[1],width,height);
+      length=0;
       if (ximage == (XImage *) NULL)
         window->shared_memory=MagickFalse;
       else