HDTenEightyP/NetNews huggingface dataset:
From: shandon@cats.ucsc.edu (Timothy Daniel Kolar)
Newsgroups: comp.sys.mac.programmer
Subject: ATP problem
Date: 14 Sep 1992 21:14:26 GMT
Organization: University of California, Santa Cruz
Distribution: world
NNTP-Posting-Host: catstest-clusrv.ucsc.edu
Keywords: question, appletalk

I'm having difficulty with ATPSndRequest...specifically the call always times
out.  It leaves the correct incoming data in the response BDS, so I'm pretty
sure that the call simply isn't detecting that it is complete.

This is puzzling to me, as 

	a) I set atpNumBufs to 1, and it is clearly getting back at least one
		datagram.

	b) I set atpEOM on the ATPSndRsp end explicitly to true.

	c) I interecepted and decoded the return appletalk packet and it seems
		to have the atpEOM bit set correctly

This morning I rewrote the section of code to use the preferred calls rather
than the alternate ones and it behaves the same way.  I'm stumped.

I'm hoping someone out there can make suggestions for things that I can try,
or will recognize the symptoms straight out.  Anyone?

Thanks in advance,

Tim Kolar
(mediocre Mac programmer)
From: J.Cook@ENS.Prime.COM (Jim Cook)
Newsgroups: comp.sys.mac.programmer
Subject: Dumb APPL ICON Question
Date: 11 Sep 92 18:52:39 GMT
Reply-To: <J.Cook@ENS.Prime.COM>
Organization: Prime Computer, Inc.

What obscure little trick or usual mistake do I have to take care of to get my
application icon to be displayed?  Using ResEdit 2.1.1 and Think C 5.0 I've
created a new skeleton application with it's own icon (no document ICONs here).
It has the appropriate BNDL, FREF, ICN#/icl8, signature, and vers resources,
and
the BNDL bit is set and the INITed bit is reset (to start).  Think C builds the
application, but it has a wierd "fork trading" icon, not mine.  Restarting,
rebuilding the desktop, copying to another disk, and examining the built
application with ResEdit don't help or reveal anything.

This is the second time I've gone thru this mess.  The first time, the problem
went away when I installed System 7.0, leaving me as puzzled as ever.

(I wonder if this is a FAQ).

Thanks,
J
From: REEKES@applelink.apple.com (Jim Reekes)
Newsgroups: comp.sys.mac.programmer
Subject: Re: vrefNum from Path Name
Date: 11 Sep 92 21:16:25 GMT
Followup-To: comp.sys.mac.programmer
Distribution: usa
Organization: Apple Computer, Inc.

In article <25rU03zf79dw00@amdahl.uts.amdahl.com>, jsp@uts.amdahl.com
(James Preston) wrote:
> 
> paul@svl.cdc.com (Paul Kohlmiller) writes:
> 
> }lari@strauss.cs.unc.edu (Humayun Lari) writes:
> 
> }>In article <Btwwt5.7Bv@taligent.com> keith@taligent.com (Keith Rollin) writes:
> } [says to always use FSMakeFSSpec and not create a FSSpec on your own.]
> }>What about when the file/directory you're referring to does not exist?
> }>If I remember correctly, FSMakeFSSpec checks to make sure that it does, so
> }>it would return an error code when you're trying to create an FSSpec prior to
> }>performing a Save As... Or am I wrong about this? Keith?
> 
> }My reading of IM6 seems to say that you will get an error but the
> }FSSpec is still good. Haven't tried it.
> }Other Opinions welcome.
> 
> I can vouch for this.  FSMakeFSSpec returns the file not found error, but
> goes ahead and makes a valid FSSpec for the missing file (i.e. the vRefNum
> and dirID fields reference the correct folder, and the name field contains
> the name of the non-existant file).  A very handy feature.  But do remember
> that FSSpecs are only found on System 7.

Folks, the answer can be found in the documentation.

Inside Mac, 2nd Ed. "Files" page 2-167

begin quote

"If the specified volume is mounted and the specified parent directory
exists, but the target file or directory doesn't exist in that location,
FSMaskFSSpec fills in the record and then returns fnfErr instead of noErr.
The record is valid but it describes a target that doesn't exist.  You can
use the record for other operations, such as creating a file with the
FSpCreate function.

In addition to the result codes that follow, FSMakeSFSpec can return a
number of other File Manager error codes.  If your application receives
any result code other than noErr or fnfErr, all fields of the resulting
FSSpec record are set to 0."

end quote

-----------------------------------------------------------------------
Jim Reekes, Polterzeitgeist  |     Macintosh Toolbox Engineering
                             |          Sound Manager Expert
Apple Computer, Inc.         | RAll opinions expressed are mine, and do
20525 Mariani Ave. MS: 81-KS |   not necessarily represent those of my
Cupertino, CA 95014          |       employer, Apple Computer Inc.S
Newsgroups: comp.sys.mac.programmer
From: d88-jwa@musta.nada.kth.se (Jon W{tte)
Subject: Re: Game Techniques (was: NON-QUICKDRAW GAMES)
Originator: d88-jwa@musta.nada.kth.se
Organization: Royal Institute of Technology, Stockholm, Sweden
	<1992Sep8.191342.15509@adobe.com>
Date: Wed, 9 Sep 1992 12:40:48 GMT

In article <1992Sep8.191342.15509@adobe.com> jholt@adobe.com (joe holt) writes:

[ Lots deleted ]

     1. find the fastest instruction that moves the most bytes,
     2. keep everything in registers, and 
     3. unroll the loops.

   Oops. There is a #4.


   #4. Only write to what you need to write to. This goes back to the

That's not only faster, it avoids crashes on some cards.
You are supposed to NOT write anywhere the screen doesn't
show your pixels.

However, your timings are off. If your mac has color, it's
a 030 mac, where the instructions take much fewer cycles,
and the relation is different. Not to mention the 68040,
which uses one or two cycles for manu instructions ! You
could special-case your code, so if it's on a 040 and the
moves are cache line aligned, you do a MOVE16 to move four
longs at a time.

Note, this is another important thing: alignment. Always
make sure that reads/writes of size N is integer divisible
by N (i.e. address modulo N equals 0)



-- 
Jon W{tte, h+@nada.kth.se, Sweden, Phone +46-8-107069

Help eradicate FIDO-Net <-> Usenet gateways in our time!
Newsgroups: comp.sys.mac.programmer
From: d88-jwa@cyklop.nada.kth.se (Jon W{tte)
Subject: Re: handles and MoveHHi
Originator: d88-jwa@cyklop.nada.kth.se
Organization: Royal Institute of Technology, Stockholm, Sweden
Date: Sun, 13 Sep 1992 18:37:11 GMT

> francois@welchgate.welch.jhu.edu (Francois Schiettecatte) writes:

   Hi, sorry if these questions are a FAQ but here goes:

   - is there a real advantage to using MoveHHi before locking your
   handles, I have not really seen much on that except that Think Reference
   suggests that is *may* help in reducing heap fragmentation. Are there
   any definite rules for using MoveHHi and caveat.

MoveHHi is, uh, somewhat expensive since the toolbox
goes to a fair amount of trouble to move stuff out of
the way and move the handle HIGH up in the heap.

If you're going to keep the handle locked for a long
time (i.e. a minute or more...) it's a very good idea,
but if you only lock the handle to pass it to a toolbox
routine, it's no idea. (Or rather, a bad idea)

   - Also when passing parameters in C is it better to use pointers or
   handles. I guess the answer is really along the lines of it depends
   on what you do with them afterwards, ie do you lock them, do you need to 
   allocate new memory, etc. Does anyone have any guidelines for this.

Well, if it's a handle from the start, pass it as a handle
as far as possible, because you get more constrained when
you can't "do" anything with a handle. Also, if your function
takes a pointer, never assume that's a dereferenced handle.
RecoverHandle is EXPENSIVE! The reverse is also true; don't
pass the address of a pointer to something that wants a handle.

-- 
Jon W{tte, h+@nada.kth.se, Sweden, Phone +46-8-107069

Help eradicate FIDO-Net <-> Usenet gateways in our time!
Newsgroups: comp.sys.mac.programmer
From: palmer@cco.caltech.edu (David Palmer)
Subject: Re: Look before you Leap
Organization: California Institute of Technology, Pasadena
Date: Wed, 9 Sep 1992 15:51:46 GMT


In <lanbtrINN8tj@pollux.usc.edu> suhler@pollux.usc.edu (Paul A. Suhler) writes:

>A note for those writing programs that calculate future dates:
>unless I'm mistaken, any year which is integrally divisible by 400
>is NOT a leap year.

>Paul Suhler

You are mistaken.
If it is divisible by 4 it is a leapyear
	Unless it is divisible by 100
		Unless it is divisible by 400
			Unless it is divisible by 4000

So 1992 is a leapyear, 1900 is not (div. by 100), 2000 is (div by 400)
4000 is not (div by 4000).

btw, the 1900 non-leapyear is the reason why the Macintosh designers chose
1904 as T=0 for the clock.

The divisible by 4000 rule has little immediate use, since by that
time, many of the programs now being written will have been upgraded,
and the Earth's periods will have been regularized by people who are
sick and tired of writing leapyear code.

-- 
		David Palmer		 palmer@tgrs.gsfc.nasa.gov
I am now at Goddard Space Flight Center/NASA, for whom I do not speak.
From: mxmora@unix.sri.com (Matthew Xavier Mora)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Peculiar Virtual Memory behavior
Date: 9 Sep 92 18:29:31 GMT
Followup-To: comp.sys.mac.programmer
Organization: SRI International

In article <1992Sep3.193157.3816@newstand.syr.edu>, greeny@top.cis.syr.edu
(J. S. Greenfield) wrote:
 
> My application is very small and runs in just a 40K partition.  Needless to
> say, I do not use any special VM routines, and the message is not from
> my application.
 
> My guess is that this message is generated by the system, for some reason.
 
> Does anybody who is familiar with or uses VM have a guess as to what is
> causing this behavior?

Your program might be using a nil handle causing it to page VM. Hopefully
your program is accidently reading from whatever location 0 is pointing to
rather than writing.

Just a guess.

Matt
From: peirce@outpost.SF-Bay.org (Michael Peirce)
Newsgroups: comp.sys.mac.programmer
Subject: Re: IMPORTANT MPW C 3.2.3 NOTICE
Date: 3 Sep 92 00:21:02 GMT
Reply-To: peirce@outpost.SF-Bay.org (Michael Peirce)
Organization: Peirce Software
X-Mailer: uAccess - Macintosh Release: 1.6v1


In article <1992Aug28.223654.1979@gallant.apple.com> (comp.sys.mac.programmer), rickf@apple.com (Rick Fleischman) writes:
> IMPORTANT MPW C 3.2.3 NOTICE:
> -----------------------------

Don't get me wrong, I'm thankful Apple is sending out these notices
to a wide community, but...

Haven't there been a fair number of QA problems with E.T.O. lately?

ETO 8 has this problem with the C compiler, the problem with the 'aedt'
definition, and the library problem.

ETO 7 was missing the 411 files.

Those of use who subscribe to ETO pay a fair amount of money for this
service, PLEASE Apple, spend a little more effor on making sure its
a good release before you make it into a CD-ROM.

I've been busy lately and haven't gotten around to upgrading to the stuff
on ETO 8, I think I'll just wait for ETO 9.  Of course there goes 1/4 of
the value of my ETO subscription...

--  Michael Peirce      --   peirce@outpost.SF-Bay.org
--  Peirce Software     --   Suite 301, 719 Hibiscus Place
--                      --   San Jose, California USA 95117
--  Makers of...        --   voice: (408) 244-6554 fax: (408) 244-6882
--            SMOOTHIE  --   AppleLink: peirce & America Online: AFC Peirce
From: mezrich@aramis.rutgers.edu (Reuben Mezrich)
Newsgroups: comp.sys.mac.programmer
Subject: Many Questions about _Launch, but few answers...
Date: 14 Sep 92 20:35:56 GMT
Organization: Rutgers Univ., New Brunswick, N.J.


     I think that the _Launch command must be one of the greatest
mysteries (sp?) of the pre-system 7 toolbox.  Does anybody have any
idea how to properly use this trap ?  I've have a fair amount of
success in using it, but have run into the difficulty that, under
System 6, multifinder does not seem to use it at all.  I've used the
_Launch command successfully under system 6 running the finder, and
under system 7, but have had no success under system 6 running multifinder.
It does launch the application, but it does not behave as it should
(it clears the screen and closes other background applications).  
     Does anyone out there have any idea how system 6 multifinder
launches an application, or know where I might seek this information ?
I've seen several questions about the _Launch command posted, but
there does not seem to be a wealth of information available.  I am
writing an INIT which will allow executing applications with a single
key stroke (or key combination), and hope to make it available when
(or if) I am able to finish it.
     Please do not respond to this message using Email, as this is not
my account.  It is a friends and I am just using it until my account
comes up.  I do not check the mail.  Please respond on this newsgroup.

                                         Much Thanks,
                                                Dave Grossberg
Newsgroups: comp.sys.mac.programmer
From: RickWiggins@UAkron.Edu (Rick Wiggins)
Subject: IUTimeString returns garbage using Think C
Organization: The University of Akron
Distribution: usa
Date: Wed, 9 Sep 1992 19:13:25 GMT

I can't seem to get IUTimeString to return the correct string.  From within
the debugger I can see the Pascal string that is returned has a bunch of 
garbage in it; no ASCII characters!  Here is the code segment I am using:

     long     currentTime;
     Str255   timeString;

     GetDateTime( &currentTime);
     IUTimeString( currentTime, TRUE, timeString);

When I initialize timeString to "\pTest", I can see the Pascal string "Test"
is there until after the call to IUTimeString; then there is just garbage.

Any ideas will be appreciated!
Newsgroups: comp.sys.mac.programmer
From: lewis@sophists.com (Lewis G. Pringle)
Subject: Re: Algorithms in C++ (was: text compression)
Date: Tue, 15 Sep 1992 07:53:39 GMT
Organization: Sophist Solutions

In article <18j1kaINNhqd@agate.berkeley.edu> John Werner <werner@soe.berkeley.edu> writes:
>
>
>In article <ksand-040992183535@wintermute.apple.com> Kent Sandvik,
>ksand@apple.com writes:
>>For instance the new "Algorithsm in C++" by Sedgewick has a code
>>snippet showing how it's done.
>
>Is this book any good?  I liked the original "Algorithms", but
>didn't like "Algorithms in C".  The examples hadn't been rewritten
>in C;  the old Pascal examples had just been transliterated into C,
>making them look fairly awkward.  Did he do it right this time?
>
I would say the book is reasonably good, but if you've read the original,
your done here. The C, and C++ versions are very light reworkings for
those languages. Humerously, there are even some comments about limitations
of C++ that are really limitations of Pascal - the book was mostly rewritten
with sed :-).

The examples are generally in C++ syntax but there is NO consideration of
using classes to encapsulate nor other C++ specific design techniques.

				Lewis.
From: morris@quake.think.com (Harry Morris)
Newsgroups: comp.sys.mac.programmer
Subject: sublaunching
Date: 13 Sep 92 10:02:35 GMT
Organization: Thinking Machines Corporation, Cambridge MA, USA
NNTP-Posting-Host: quake.think.com


Hi!  I'm trying to write a program which launches another program (and
document) in Think C.  Does anyone have a code fragment they could share?
I've seen TN 128, but haven't gotten it working.

thanks!

Harry
(morris@think.com)
From: sw@network-analysis-ltd.co.uk (Sak Wathanasin)
Newsgroups: comp.sys.mac.programmer
Subject: Re:  MacApp News group?
Date: 10 Sep 92 18:21:05 GMT
Reply-To: sw@network-analysis-ltd.co.uk
Organization: Network Analysis Ltd
X-Mailer: uAccess - Macintosh Release: 1.6v1


In article <1992Sep10.150727.4240@terminator.cc.umich.edu> (comp.sys.mac.programmer), krk@itl.itd.umich.edu (Kenneth Knight) writes:

> Some time back a RFD for a MacApp (and general-purpose object programming for
> the Mac) newsgroup was suggested. I haven't seen anything since that message
> on comp.sys.mac.announce. 
> However, even though no specific newsgroup exists for MacApp (and TCL).
> discussions there are mailing lists that can be subscribed too. For
> MacApp 2.0 and 3.0 you can join mailing lists that are run out of AppleLink
> send 'subscribe' messages to MacApp.Admin@applelink.apple.com. 
> For the MacApp 2.0 list ask for MacApp2Tech$ and for MacApp 3.0 ask for
> MacApp3Tech$.

I already "digest" the MacApp[23]Tech$ postings for my own archives,
and would be glad to post a copy here or to the csm.digest group or to
some FTP archive somewhere if there is interest. The problem with
running it as a newsgroup is the rather large binaries that are
sometimes posted to that mailing list; e.g., the uuencoded
"viewedit" that was posted not too long ago was in the region of 500K.
Oh, I have about 1.4M (uncompressed) of "back issues" if some FTP archive
is willing to offer a home for them.

[Or if you want to do it, I'm more than happy to mail you my MPW "digest"
scripts.]


Sak Wathanasin
Network Analysis Limited
178 Wainbody Ave South, Coventry CV3 6BX, UK

uucp:      ...!uknet!nan!sw  Phone: (+44) 203 419996
AppleLink: NAN.LTD           Internet: sw@network-analysis-ltd.co.uk
Newsgroups: comp.sys.mac.programmer
From: thomask@lobo.rmhs.colorado.edu (Thomas C Kerrigan)
Subject: Re: Showing icon from INIT
Date: Fri, 11 Sep 1992 23:32:49 GMT
Organization: Rocky Mountain High School
X-Newsreader: Tin 1.1 PL5

Newsgroups: comp.sys.mac.programmer
From: danny@utkux1.utk.edu
Subject: MACE Compressed Sounds...
Organization: The University of Tennessee
Date: Fri, 11 Sep 1992 14:45:25 GMT

 Hi, it's me again.  I have some sounds that are extremely large that
I am going to add to the program I am writing.  I do not want these
sounds to make the application so large.  How can I store these sounds
as MACE compressed sounds in my resource file?  Also, is it hard to
place compressed sounds in a resource file and play them from my
program?  Thanks in advance.

Danny


Newsgroups: comp.sys.mac.programmer,comp.sys.mac.hardware
From: rte@cbnewsi.cb.att.com (ralph.t.edwards)
Subject: Do you know how to have both a network and a local printer?
Organization: AT&T
Date: Tue, 15 Sep 1992 17:50:09 GMT
Followup-To: poster
Keywords: Ethernet Localtalk Serial port

Situation: we have several new Quadras networked together and to the
outside world over Ethernet and TCP/IP.  Some of us would also like
to have local printers, as well as the printer on the Ethernet network.
At present the only way we know to do this is to disconnect from the net via the
chooser, remove Ethernet connection physically, connect the local
printer physically, and choose it via the chooser.  The rain dance
must be reversed to go back to the normal state of affairs.  The only
good way that we know of to avoid this rain dance is to buy an expensive
bridge between ethernet and local talk.  Is there a simple, cheap
way to be connected to both the TCP/IP network and the local printer
and direct output to one or the other?

With a PC, of course, this is trivial.  Why isn't it on the MAC?
(latter question is for Apple)
From: rc05@gte.com (Ramesh Chandak)
Newsgroups: comp.sys.mac.programmer
Subject: Lasso code
Date: 14 Sep 92 22:04:23 GMT
Organization: GTE Laboratories Incorporated, Waltham MA

I'm writing this application using THINK C.  And I need to write lasso code.
How does one go about it ? Any public domain source code ? Any references
or suggestions will be most helpful.  Thanx.

- Ramesh
rc05@gte.com
Newsgroups: comp.sys.mac.programmer
From: gurgle@netcom.com (Pete Gontier)
Subject: Re: INIT Idea/Request
Date: Wed, 09 Sep 92 06:04:39 GMT
Organization: cellular

bwilliam@iat.holonet.net (Bill Williams) writes:

>I feel only very large blocks of memory that NEVER ar locked during a call
>to waitnextevent should be put in temporary memory.

That's the Apple dogma, as well as I remember.

>It sickens me to have to reboot all the time in system seven on a stock
>system on a 8 meg machine (not mine) because even after quitting nearly
>every application the damned free memory is fragmented AND LOCKED by
>foolish people who abuse temporary memory.

No, it's bugs. Get the latest Tuner. I never have this problem, and I'm
on my Mac all day every day.
-- 
 Pete Gontier // EC Technology // gurgle@netcom.com
From: berry@a.chem.upenn.edu (Don Berry)
Newsgroups: comp.sys.mac.programmer
Subject: NewsWatcher source for TC
Date: 10 Sep 92 13:51:46 GMT
Organization: University of Pennsylvania

O.K., I'm getting tired of the various (and previously reported) bugs
with NewsWatcher as released, and I guess I'm ready to hack my own
version.  Would any of you kind souls make my life easier by sending
me your NewsWatcher source _preferably_ for ThinkC 5.0x, including
your nifty modications?  Since beggars can't be choosers, I'll happily
accept MPW source, too, although then hints for conversion to ThinkC
would also be helpful. 

Modifications of which I've heard talk (some time ago) include 
1. avoiding the "too many groups" bug, and
2. a more logical approach to retrieiving long (>32k) articles 
   (get it all at once, but only put the first 32k into a window; this 
    avoids a second retrieve when the user saves the article.)

Many thanks in advance.

Don Berry
Berry@a.chem.upenn.edu

Newsgroups: comp.sys.mac.programmer
From: ulbrich@informatik.uni-ulm.de (Jan Ulbrich)
Subject: Claris Help System
Organization: University of Ulm, Germany
Date: Fri, 11 Sep 92 11:02:46 GMT

Hi there,

I was looking for a good help-system to use in my programs - why  
should every program use its own format. I played with ClarisWorks  
and found out, that its helpfile is an ordinary HyperCard-stack  
handled by Claris Help Extension.

Now my question: How could I access this extension? Is there example  
code?

Thanks for reply and have a nice day, Jan

///
o-o
 L   flynn (remember tron?)
 _   ulbrich@informatik.uni-ulm.de


-- NewsGrazer, a NeXTstep(tm) news reader, posting --
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M-3(P7&9C,"`O+R]<"F\M;UP*($P@("!F;'EN;B`H<F5M96UB97(@=')O;C\I
I7`H@7R`@('5L8G)I8VA`:6YF;W)M871I:RYU;FDM=6QM+F1E7`H*?0IO
`
Newsgroups: comp.sys.mac.programmer
From: sgrenander@NASAMAIL.JPL.NASA.GOV (Sven Grenander)
Subject: Re: Think C 4.05 Compatibility
Organization: Jet Propulsion Laboratory
Date: Wed, 9 Sep 1992 21:12:54 GMT

In article <1757@pacvax.UUCP>, myg@pacersoft.com (Mark Y. Geschelin) writes:
> 
> RE:Think C 4.05 Compatibility
> 
> 	I use Think C 4.0.5 for an old product.  It is compatable with 7.0.1 on
> a CI.
> 	Make Sure you aren't using Virtual Memory and you should upgrade.
> 
> 
The debugger is not 7 compatible (at least not on my fx) and
you can't user 32-bit addressing with or without the debugger.

ThC 4.0.5 is the only reason why I still have a system 6.0.7 around
and will until I'm over on ThC 5.x.x

-Sven