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slurp108.zip
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1995-09-04
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SLURP HISTORY
-------------
V1.08
Unlink backup time file before renaming or an error occurs with the
rename under SVR3.
V1.07 - 23 June 1993
Added support for a user-defined time file for use on machines with
short filenames which were previously having the time backup
trashed and couldn't support sub-lists.
If a history database type (DBZ, DBM, NDBM) is not defined then
don't do any history lookups. This is useful for people using slurp
on a machine where news is not running - perhaps piping batches to
uux for sending on to another machine.
Fixed problem where if slurp was interrupted before the NEWNEWS
section had completed, an invalid time would be written to the
slurp.<hostname> file.
Duplicate socket file descriptor and then carry out a separate
fdopen for read and write on each descriptor. This fixes some stdio
memory problems that were caused by fdopening read and write
streams on the same descriptor.
Rewrote get_ids function, removing some potential problems with its
previous implementation.
Rewrote read_sys function (again!).
In process_id when in debug mode print after a message ID if ID
discarded due to hitting maximum number of articles or was already
present in the tree.
Removed inclusion of <unistd.h> in time.c and sockets.c - if it is
needed then it will be included in slurp.h.
Replaced bzero and bcopy with ANSI memset and memcpy functions
throughout, plus a few other bits of tidying up to make the Keep C
Source Tidy Campaign happy.
V1.06 - 22 April 1993
Added signal handler to slurp.c to trap SIGHUP, SIGINT, SIGQUIT and
SIGTERM. If they occur then the signal is reported to syslog, any
currently open batch is submitted to the news system and the
message IDs of any unretrieved articles are dumped to the
slurp.<hostname> file.
Added NOBUFFOUT option. If defined, will turn off stdio buffering
for the output stream to the server. This is necessary for ISC, SCO
and some other SVR3 implementations which will otherwise give a
memory fault when the socket is written to.
Added UNISTD option. If undefined then slurp won't include
<unistd.h> which isn't present on some versions of UNIX.
If an ERR_ACCESS (code 502) result code is reported by the server
when retrieving an article, then it will be treated as a missing
article.
Correctly defined server_time in slurp.h - was long instead of
time_t.
V1.05 - 1 March 1993
Completely cleaned up space.c. Added proper support for space
checking in SVR4.
Modified read_sys so that it is possible to have lines in the
slurp.sys file which are longer than BUFSIZ.
Check unretrieved message IDs in the slurp.<hostname> file start
and end with chevrons.
Moved sublist in the command line arguments to being specified
after the hostname with a slash separating them, to make things
more consistent.
A few more minor tidy-ups, in particular portability has been
improved in a few places.
V1.04 - 14 February 1993
Malloc message id separately from mnode structure as the previous
method seemed to cause problems on some architectures.
Now handles article lines of >= 511 bytes without overwriting
memory.
Support for simple authorisation protocol.
Support for INN 'MODE READER' command.
read_sys rewritten to allow command line flags to be specified for
servers, support having more than one set of newsgroups to be
retrieved from the same server, and provide the username and
password for the simple authorisation protocol.
New choice of piping articles to rnews (possibly in one batch only)
or writing article batches to the incoming news / rnews spool
directory. This will provide a speed-up for users of INN.
Replaced slurp.tim file with slurp.<hostname> files, solving
locking problems and providing support for the enhancement below.
If an error occurs during the article fetching stage, then dump the
message ids of articles not yet retrieved to slurp.<hostname>.
These can then be picked up in the next session, without having to
restart the NEWNEWS back at the previous time.
No requirement for slurp.<hostname> to exist as slurp.tim used to
have to be if you wanted a time written out.
Re-arranged the command line options.
V1.03 - 19 December 1992
Added extra compilation configuration option for machines that
don't have strerror().
If a temporary file was opened for reading a long article into
which wouldn't fit in memory, then it was flushed at the end of
read_article. Unfortunately, the test wasn't done correctly so if a
long article was once read in, it would keep flushing the now
invalid file descriptor on future calls. Fixed by removing this
altogether as the subsequent rewind would do the job anyway.
Open syslog *before* we start doing things that might want to write
to it... Connected, articles retrieved and speed messages logged
as LOG_INFO instead of the previously wrong LOG_NOTICE.
When mallocing space for the article id tree, only malloc enough
room for the article id and left/right node pointers, not the whole
structure, saving oodles of memory.
Corrected the test for the maximum size of a NEWNEWS request line.
Various minor tidy-ups.
Added manual page and made various improvements to the
documentation.
V1.02 - 7 December 1992
Corrected openlog calls so correct 4.2/4.3 version of syslog is
used.
V1.01 - 6 December 1992
Fixed some problems with null-dereferencing of nn_distributions.
New slurp.tim not written if maximum number of messages that can
be transferred is hit.
When debugging switched on, print line being sent to server before
it is sent rather than after.
Added documentation on return codes.
V1.00 - 2 December 1992
Initial release.
---- END OF DOCUMENTATION