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IDProjectCategoryView StatusDate SubmittedLast Update
0000039graphvizDotpublic2002-04-22 05:282011-04-28 04:02
ReporterPauwel Coppieters 
Assigned Toellson 
PlatformOSx86-Other-OS Version
Summary0000039: circular layout (A-> B and B -> A) gives core dump on windows

On Windows NT the given dot file makes dot.exe crash
if -TImap is given on command line and concentrate = true is in the
dot file

Command line:
type dotfile | dot.exe -Timap -o imap.out
Steps To Reproduce

digraph ID {
graph [
        concentrate = true
A -> B
B -> A
Additional Information

I think it is a null pointer that is dereferenced : windows messages
says : the instruction at 0X00417abe references memory at 0X00000004
the memory could not be read.
TagsNo tags attached.
[ellson] I've fixed this crash, but I'm wondering if it is correct
to concentrate two reversed edges into a single edge with just
one arrowhead.
STATUS-COMMENTFixed (22 April 2002)
VERSION     1.8.4
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- Issue History
Date Modified Username Field Change
2011-04-28 04:02 user1 New Issue
2011-04-28 04:02 user1 Assigned To => user695

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