Segfault on config error
he config syntax of lighttpd's rewrite rules are more like associative arrays in PHP then the rewrite syntax of Apache webserver. Thus, a migration from Apache to lighttpd is not really trivial with a certain number of rules. Felt after the 10,000th rule I made a copying error, so that in simple terms the config looked like this:
url.rewrite-once = (
"^/foo" => "$0",
"^/(.*)" => "/handler/$1$",
At some point of lighttpd's development there was an optimization in the handling of the pattern, so that this config mistake triggers a segfault. My little patch closes the error.
Fix segfault with broken rewrite/redirect patterns (fixes #2140, found by crypt)
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