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authorJohn Keeping <john@metanate.com>2011-11-24 11:54:47 +0000
committerLars Hjemli <hjemli@gmail.com>2012-01-03 21:00:30 +0000
commit94b7c76e531315b245f79a9e2dfd0655e6e45fee (patch)
tree3fa4bac9eb6a30ede630fbbdc11877dbd85c6e0e /git
parentMakefile: fetch git tarballs from http://hjemli.net/git/git/ (diff)
downloadcgit-pink-94b7c76e531315b245f79a9e2dfd0655e6e45fee.tar.gz
cgit-pink-94b7c76e531315b245f79a9e2dfd0655e6e45fee.zip
Fix segmentation fault in empty repository
When a repository is empty, the ATOM feed link is written in the header,
but this involves formatting ctx->qry.head which is NULL in this case.
With glibc, vsnprintf formats "%s" with a NULL input as "(null)" but on
Solaris this results in a segmentation fault.  Since we don't have a
meaningful head for the atom feed in an empty repository, it's simplest
not to write out the link element at all.

Signed-off-by: John Keeping <john@metanate.com>
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