BUGS
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- $Id: BUGS,v 1.8 2007-07-19 21:35:36 bagder Exp $
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- BUGS
- Curl and libcurl have grown substantially since the beginning. At the time
- of writing (July 2007), there are about 47000 lines of source code, and by
- the time you read this it has probably grown even more.
- Of course there are lots of bugs left. And lots of misfeatures.
- To help us make curl the stable and solid product we want it to be, we need
- bug reports and bug fixes.
- WHERE TO REPORT
- If you can't fix a bug yourself and submit a fix for it, try to report an as
- detailed report as possible to a curl mailing list to allow one of us to
- have a go at a solution. You should also post your bug/problem at curl's bug
- tracking system over at
- http://sourceforge.net/bugs/?group_id=976
- (but please read the sections below first before doing that)
- If you feel you need to ask around first, find a suitable mailing list and
- post there. The lists are available on http://curl.haxx.se/mail/
- WHAT TO REPORT
- When reporting a bug, you should include all information that will help us
- understand what's wrong, what you expected to happen and how to repeat the
- bad behavior. You therefore need to tell us:
- - your operating system's name and version number (uname -a under a unix
- is fine)
- - what version of curl you're using (curl -V is fine)
- - versions of the used libraries that libcurl is built to use
- - what URL you were working with (if possible), at least which protocol
- and anything and everything else you think matters. Tell us what you
- expected to happen, tell use what did happen, tell us how you could make it
- work another way. Dig around, try out, test. Then include all the tiny bits
- and pieces in your report. You will benefit from this yourself, as it will
- enable us to help you quicker and more accurately.
- Since curl deals with networks, it often helps us if you include a protocol
- debug dump with your bug report. The output you get by using the -v or
- --trace options.
- If curl crashed, causing a core dump (in unix), there is hardly any use to
- send that huge file to anyone of us. Unless we have an exact same system
- setup as you, we can't do much with it. Instead we ask you to get a stack
- trace and send that (much smaller) output to us instead!
- The address and how to subscribe to the mailing lists are detailed in the
- MANUAL file.
- HOW TO GET A STACK TRACE
- First, you must make sure that you compile all sources with -g and that you
- don't 'strip' the final executable. Try to avoid optimizing the code as
- well, remove -O, -O2 etc from the compiler options.
- Run the program until it cores.
- Run your debugger on the core file, like '<debugger> curl core'. <debugger>
- should be replaced with the name of your debugger, in most cases that will
- be 'gdb', but 'dbx' and others also occur.
- When the debugger has finished loading the core file and presents you a
- prompt, enter 'where' (without the quotes) and press return.
- The list that is presented is the stack trace. If everything worked, it is
- supposed to contain the chain of functions that were called when curl
- crashed. Include the stack trace with your detailed bug report. It'll help a
- lot.