From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,d54559bde05f5bb8 X-Google-Attributes: gid103376,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!news.glorb.com!news2!wn11feed!worldnet.att.net!bgtnsc05-news.ops.worldnet.att.net.POSTED!53ab2750!not-for-mail Newsgroups: comp.lang.ada From: anon@anon.org (anon) Subject: Re: Weird string I/O problem Reply-To: no to spamers (No@email.given.org) References: X-Newsreader: IBM NewsReader/2 2.0 Message-ID: Date: Thu, 04 Dec 2008 00:27:37 GMT NNTP-Posting-Host: 12.64.48.248 X-Complaints-To: abuse@worldnet.att.net X-Trace: bgtnsc05-news.ops.worldnet.att.net 1228350457 12.64.48.248 (Thu, 04 Dec 2008 00:27:37 GMT) NNTP-Posting-Date: Thu, 04 Dec 2008 00:27:37 GMT Organization: AT&T Worldnet Xref: g2news1.google.com comp.lang.ada:2866 Date: 2008-12-04T00:27:37+00:00 List-Id: Did I use the "pragma Initialize_Scalars ;" in GNAT.ADC or the command-line option version of that pragma or did I, as I have said "You do not give the complete code." That's something for you to think about! In , stefan-lucks@see-the.signature writes: >On Wed, 3 Dec 2008, anon wrote: >> -- Build your own input routine. Example: >[...] > >if the variable Last is not initialised to 0 > *before* you enter the loop ... > >> begin >> Put ( P ) ; >> input_string := ( others => nul ) ; >> for index in input_string'Range loop -- limits data size >> Get ( char ) ; >> -- Traps both LF or CR/LF type of EOL >> exit when char = CR or char = LF ; > >.... and if the user immediately presses the return key > (i.e., if you read an empty line), ... > >> input_string ( index ) := char ; >> Last := Index ; >> end loop ; >> if char = CR then -- for CR/LF pairing type of OSs >> Get ( char ) ; >> end if ; >> if char = LF or Last = input_string'Last then -- process EOL on screen >> New_Line ; >> end if ; >> -- valid data is input_string ( 1 .. last ) ; >> -- with no term control characters like LF or CR > >.... then Input_String ( 1.. Last ) depends on > the uninitialised variable Last ... > >> return ( input_string ( 1 .. last ) ) ; > >.... and the statement above may raise an exception. > >> end get ; > >-- >------ Stefan Lucks -- Bauhaus-University Weimar -- Germany ------ > Stefan dot Lucks at uni minus weimar dot de >------ I love the taste of Cryptanalysis in the morning! ------ >