Re: Source code comparison tools

David Spencer <>
22 Jan 2005 18:26:27 -0500

          From comp.compilers

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From: David Spencer <>
Newsgroups: comp.compilers
Date: 22 Jan 2005 18:26:27 -0500
Organization: PANIX Public Access Internet and UNIX, NYC
References: 05-01-065
Keywords: tools
Posted-Date: 22 Jan 2005 18:26:27 EST

"John R Levine" <> writes:

>I'm working on a project where I'm trying to understand how a program
>evolved. I have a bunch of snapshots of the C source code to work from.

>It's easy enough to use the Unix diff program to compare the snapshots,
>but it's much too low level. If someone changes the name of variable A to
>B, diff sees that as a change every time the variable is referenced, but
>it's really only one change.

Did you try feeding the varous iterations to cflow?

It may filter out too much signal with the noise, but it would show
changes in call flow.


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