Mercurial > hg > nginx
view docs/xsls/changes.xsls @ 6272:b6a665bf858a
HTTP/2: fix indirect reprioritization.
Previously, streams that were indirectly reprioritized (either because of
a new exclusive dependency on their parent or because of removal of their
parent from the dependency tree), didn't have their pointer to the parent
node updated.
This broke detection of circular dependencies and, as a result, nginx
worker would crash due to stack overflow whenever such dependency was
introduced.
Found with afl-fuzz.
Signed-off-by: Piotr Sikora <piotrsikora@google.com>
author | Piotr Sikora <piotrsikora@google.com> |
---|---|
date | Thu, 01 Oct 2015 20:25:55 -0700 |
parents | 76bc29f06168 |
children | 529f10f7757c |
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X:stylesheet { X:output method="text"; X:param lang="'en'"; X:param configuration="'../xml/change_log_conf.xml'"; X:var conf = "document($configuration)/configuration"; X:var start = "$conf/start"; X:var indent = "$conf/indent"; X:var max = "$conf/length"; X:var br = {<br>} X:template = "/" { !! "change_log"; } X:template = "change_log" { !! "changes"; } X:template = "changes" { X:text { } !{substring(concat($conf/changes[@lang=$lang]/title, //change_log/@title, ' ', @ver, ' '), 1, $conf/changes[@lang=$lang]/length)} X:if "$lang='ru'" { !{@date} } X:if "$lang='en'" { !{substring(@date, 1, 2)} !{$conf/changes[@lang=$lang]/month[number(substring(current()/@date, 4, 2))]} !{substring(@date, 7, 4)} } X:text { } !! "change"; X:text { } } X:template = "change" { X:var prefix = "$conf/changes[@lang=$lang]/*[local-name(.)=current()/@type]" X:var postfix = { X:if "$prefix" { X:text {: } } } !! "para[@lang=$lang]" (prefix = "concat($start, $prefix, $postfix)"); } X:template para(prefix) = "para" { X:var text = { !!; } X:text { } !wrap(text = "normalize-space($text)", prefix = { X:if "position() = 1" { !{$prefix} } else { !{$indent} } }) } X:template wrap(text, prefix) { X:if "$text" { X:var offset = { X:choose { X:when "starts-with($text, concat($br, ' '))" { !{string-length($br) + 2} } X:when "starts-with($text, $br)" { !{string-length($br) + 1} } X:otherwise { 1 } } } X:var length = { !length(text = "substring($text, $offset)", prefix = "string-length($prefix)", length = "$max") } !{$prefix} !{normalize-space(translate(substring($text, $offset, $length), ' ', ' '))} X:text { } !wrap(text = "substring($text, $length + $offset)", prefix = "$indent") } } X:template length(text, prefix, length) { X:var break = "substring-before(substring($text, 1, $length - $prefix + string-length($br)), $br)" X:choose { X:when "$break" { !{string-length($break)} } X:when "$length = 0" { !{$max - $prefix} } X:when "string-length($text) + $prefix <= $length" { !{$length - $prefix} } X:when "substring($text, $length - $prefix + 1, 1) = ' '" { !{$length - $prefix + 1} } X:otherwise { !length(text = "$text", prefix = "$prefix", length = "$length - 1") } } } X:template = "at" {@} X:template = "br" { !{$br} } X:template = "nobr" { !{translate(., ' ', ' ')} } }