September 1997 - Gpc

Unix blues...
by Orlando Llanes 09 Sep '97

09 Sep '97

I found out what I was doing wrong with the DIFF file, but despite my knowing what's wrong, it doesn't solve my problem :( I'm stuck with 2.01b until the next compiled ZIP'd version. The file names get corrupted despite my using WinZip, by corrupted, I mean that some filenames didn't translate properly (I just love the gpc-2.7.2.1.patch file). I'm sorry I'm being such a pain in the butt, I just want to get updated :( See ya! Orlando Llanes

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Re: Binary installation
by Ken Linder (KC7RAD) 08 Sep '97

08 Sep '97

At 02:56 PM 9/6/97 -1000, Tom Dye <tdye(a)lava.net> wrote: >Hello, > >Sorry to bother with a question that is probably trivial, but I did >something wrong installing the 9707 beta binary for Linux and now can't >get gpc to work. > >Instead, I get the following error messages: >numeric constant with no digits >numeric constant with no digits >warning: missing program header >In function 'program_noname' >parse error at null character > >I'll appreciate any help you might offer, so that I can correct my >blunder. > >Tom > >Thomas S. Dye, Ph.D. >Home: 813 16th Avenue, Honolulu, Hawaii 96816. Voice (808) 734-2087. >Work: International Archaeological Research Institute, Inc., 949 McCully St., > Suite 5, Honolulu, Hawaii 96826. Voice (808) 946-2548; Fax 943-0716. Alas, I now know I am not going nuts!!! Tom, I have the same problem with the binary executable as you! We discussed this problem briefly on the mail group but could only come up with the possibility that I am using an old version of libc.so (I am using libc.so.5.3.12 but Jan-Jaap reccomended 5.4.20 or newer. Just FYI, I have not solved it yet (work is incredibly busy). I am using RedHat 4.1 installation with nothing special added. Someone suggested that 4.2 works fine. Let us know your progress. As soon as I hire an assistant, fire a contractor, and finalize my 1998 department budget I will start working on it again! Later... Ken L.

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Re: compiler bug? Call of sqr in a expression as parameter
by Peter Gerwinski 08 Sep '97

08 Sep '97

According to Sven Hilscher: > > Please check, if it is an error! > [...] > Test := TestNum(sqr(ReturnNum)); > { > the GPC compiler meant: > "argument to `sqr' must be of integer, real or complex type" > } It is an error, and the same problem holds for `abs', `round', and other functions. Thanks for the report. Greetings, Peter Dipl.-Phys. Peter Gerwinski, Essen, Germany, free physicist and programmer peter.gerwinski(a)uni-essen.de - http://home.pages.de/~peter.gerwinski/ [970201] maintainer GNU Pascal [970714] - http://home.pages.de/~gnu-pascal/ [970125]

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Re: busg or features?
by Peter Gerwinski 08 Sep '97

08 Sep '97

According to Sven Hilscher: > > program Test; > > var > S : String(7); > > begin > S := 'SCHNAPS'; > S := S + #48 + #48; { wow, the string expands the size - that's right? } That's a bug: GPC is not yet able to catch range check errors like this one. > Writeln(S); > Writeln(S + #48#48); { This is needed for Borland style! } I will fix that. Thanks. > end. Greetings, Peter Dipl.-Phys. Peter Gerwinski, Essen, Germany, free physicist and programmer peter.gerwinski(a)uni-essen.de - http://home.pages.de/~peter.gerwinski/ [970201] maintainer GNU Pascal [970714] - http://home.pages.de/~gnu-pascal/ [970125]

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Re: error calling capitalized c routines
by Peter Gerwinski 08 Sep '97

08 Sep '97

According to peter: >From peter Mon Sep 8 01:53:57 1997 Subject: Re: error calling capitalized c routines To: olwi(a)dagy.danderyd.se (Olov Wilander) Date: Mon, 8 Sep 1997 01:53:57 +0200 (MEST) Cc: gpc(a)hut.fi In-Reply-To: <34138C8A.1672(a)dagy.danderyd.se> from "Olov Wilander" at Sep 7, 97 10:26:34 pm X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Content-Length: 698 According to Olov Wilander: > > When I try using the grx20 graphics library (also aviable from the djgpp > download sites) it fails. Most functions in this library have one or more > capital letters in them, eg. GrSetMode(). Declare it like this: Function GrSetMode ( m, w, h, nc, vx, vy: Integer ): Integer; AsmName 'GrSetMode'; or like this: Function GrSetMode ( m: Integer; ... ): Integer; AsmName 'GrSetMode'; Hope this helps, Peter Dipl.-Phys. Peter Gerwinski, Essen, Germany, free physicist and programmer peter.gerwinski(a)uni-essen.de - http://home.pages.de/~peter.gerwinski/ [970201] maintainer GNU Pascal [970714] - http://home.pages.de/~gnu-pascal/ [970125]

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busg or features?
by Sven＠rufus.central.de 07 Sep '97

07 Sep '97

program Test; var S : String(7); begin S := 'SCHNAPS'; S := S + #48 + #48; { wow, the string expands the size - that's right? } Writeln(S); Writeln(S + #48#48); { This is needed for Borland style! } end.

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Binary installation
by Tom Dye 07 Sep '97

07 Sep '97

Hello, Sorry to bother with a question that is probably trivial, but I did something wrong installing the 9707 beta binary for Linux and now can't get gpc to work. Instead, I get the following error messages: numeric constant with no digits numeric constant with no digits warning: missing program header In function 'program_noname' parse error at null character I'll appreciate any help you might offer, so that I can correct my blunder. Tom Thomas S. Dye, Ph.D. Home: 813 16th Avenue, Honolulu, Hawaii 96816. Voice (808) 734-2087. Work: International Archaeological Research Institute, Inc., 949 McCully St., Suite 5, Honolulu, Hawaii 96826. Voice (808) 946-2548; Fax 943-0716.

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compiler bug? Call of sqr in a expression as parameter
by Sven＠rufus.central.de 06 Sep '97

06 Sep '97

Please check, if it is an error! greetings... ___, ((__ o ,____)) V E N I program Bug; function ReturnNum: Real; begin ReturnNum := 0; end; function TestNum(AnyNum: Real): Real; begin TestNum := AnyNum; end; var Test : Real; begin Test := sqr(ReturnNum); { no compiler error } Test := TestNum(sin(ReturnNum)); { no compiler error } Test := TestNum(sqr(0.1)); { no compiler error } Test := TestNum(sqr(ReturnNum)); { the GPC compiler meant: "argument to `sqr' must be of integer, real or complex type" } end.

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demo for using of qsort from lib and a little problem with it
by Sven＠rufus.central.de 06 Sep '97

06 Sep '97

program Sort_Test; { demo for using of the qsort function from gpc } { sven(a)rufus.central.de } uses grx20; type TestType = Integer; { works with Real, ShortInt, Integer, LongInt } { crashs with Byte } StrType = String(8); FuncType = ^Function: TestType; function CompNum(var e1, e2: TestType):Integer; Var r : Real; begin r := e1 - e2; CompNum := Round(r); end; function CompString(var e1, e2: StrType):Integer; begin if e1 = e2 then CompString := 0 else if e1 > e2 then CompString := 1 else CompString := -1; end; procedure qsort(var base; numelem, size : Integer; cmp: FuncType); C; var i : Integer; ta : Array[1..5] of TestType; tb : Array[1..5] of StrType; begin ta[1] := 4; ta[2] := 2; ta[3] := 1; ta[4] := 3; for i := 1 to 5 do Writeln(ta[i]); qsort(ta, 5, Sizeof(ta[1]), @CompNum); Writeln; for i := 1 to 5 do Writeln(ta[i]); Writeln; tb[1] := 'Peter'; tb[2] := 'Paul'; tb[3] := 'Mary'; tb[4] := 'Sven'; tb[5] := 'Adam'; qsort(tb, 5, Sizeof(tb[1]), @CompString); for i := 1 to 5 do Writeln(tb[i]); Writeln; end.

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gpi mechanism
by Peter Gerwinski 05 Sep '97

05 Sep '97

According to Tom Dye: > > I just ran into the bug in the gpi mechanism that is documented in the gpc > info file. My version of gpc is several months old. I have two > questions. > > 1) Is the gpi mechanism fixed in the latest beta release? Yes. > 2) If not, are bug reports on this still welcome? If you find any bugs in the GPI mechanism of the latest beta release, it will be highly welcome. Greetings, Peter Dipl.-Phys. Peter Gerwinski, Essen, Germany, free physicist and programmer peter.gerwinski(a)uni-essen.de - http://home.pages.de/~peter.gerwinski/ [970201] maintainer GNU Pascal [970714] - http://home.pages.de/~gnu-pascal/ [970125]

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