Adam Harvey 283f56af66 Change the search in get_status_string() to correctly handle unknown codes. ...

This previously used a buggy implementation of binary search that would loop
infinitely for unknown codes when searching in reason arrays of particular
sizes (such as the one we have at the moment). Since C provides bsearch(),
we'll just use that instead, since libc authors hopefully get this right.

There was also an additional bug that was masked by the first one: the design
was that an unknown code would result in get_status_string() returning NULL,
which would then result in a segfault in append_http_status_line(), since it
assumed that it would always receive a valid string pointer that could be
handed off to smart_str_appends_ex(). We'll now return a placeholder in that
case.

Fixes bug #65066 (Cli server not responsive when responding with 422 http
status code).

2013-06-20 09:31:57 -07:00

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