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authorMark Lodato2010-02-09 10:12:43 -0500
committerMark Lodato2010-02-09 10:12:43 -0500
commita2c6355f9fdede78ce46aeee39ef649637aaadf9 (patch)
tree4ed595f688691e7a35c5684ca59164bcc777b74c /git
parenthtml: make all strings 'const char *' (diff)
downloadcgit-a2c6355f9fdede78ce46aeee39ef649637aaadf9.tar.gz
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html: properly percent-escape URLs
The only valid characters for a URL are unreserved characters
a-zA-Z0-9_-.~ and the reserved characters !*'();:@&=+$,/?%#[] , as per
RFC 3986.  Everything else must be escaped.  Additionally, the # and
? always have special meaning, and the &, =, and + have special meaning
in a query string, so they too must be escaped.  To make this easier,
a table of escapes is now used so that we do not have to call fmt() for
each character; if the entry is 0, no escaping is needed.

Signed-off-by: Mark Lodato <lodatom@gmail.com>
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