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