Reported by:	clang static analyzer



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enumeration apr_finfo_t.filetype, which is done when forgetting
the previously-derived file type

use the appropriate enum value APR_NOFILE instead

Also change comparisons of the field with 0 to use APR_NOFILE instead,
as is the practice of some existing code.



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revove some obsolete comments

netware file is untested


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- Move some declarations into the correct #ifdef scope.

I couldn't compile/test netware, but the changes look obvious enough.


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Submitted by: Takashi Sato <takashi lans tv com>
PR: 43432


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Submitted by: Boya Sun <boya sun case edu>
PR: 39518


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Submitted by: Takashi Sato <takashi lans-tv com>, Stefan Fritsch
PR: 36269


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for installation on Windows (comented).


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PR: 49676


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Add special format tokens to %{...}t. The extended syntax allows the
form: "WHICH:WHAT".

WHICH is either:
- "begin": use the time when the request started
- "end": take "now" as the time
You can omit WHICH, default is "begin".
If you omit WHICH, the separating column is not allowed.

WHAT is either:
- "sec": timestamp in Unix seconds
- "msec": timestamp in Unix milliseconds
- "msec_frac": millisecond fraction of the Unix timestamp,
               3 digits, 0-padded
- "usec": timestamp in Unix microseconds
- "usec_frac": microsecond fraction of the Unix timestamp
               6 digits, 0-padded
- anything different from those tokens: use strftime()
You can omit WHAT, default is the formatted timestamp as
used by the Common Log Format.

The implementation uses a new request_config for mod_log_config
to pass the request end time around between different calls to
log formatters, but the end time is only generated if needed.

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If a specially crafted request was sent, it is possible to crash mod_dav, 
mod_cache or mod_session, as they accessed a field that is set to NULL
by the URI parser, assuming that it always put in a valid string.

PR: 49246
Submitted by: Mark Drayton
Patch by: Jeff Trawick


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