Gpc

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5400 discussions

Fwd: NCurses
by Frank Heckenbach 14 Mar '05

14 Mar '05

Forwarded from: marcov(a)stack.nl (Marco van de Voort) A.s. reproduction to list allowed. The Ncurses author is Michael van Canneyt, however most other FPC authors contributed to it, and we don't have a sign away rights to a foundation system. Be sure to get ncurses from current CVS, and don't use e.g. 1 1/2 year old 1.0.10 sources. CVS is open for anonymous use, and there is also a webinterface development page: http://www.freepascal.org/develop.html webcvs ncurses dir: http://www.freepascal.org/cgi-bin/viewcvs.cgi/fpc/packages/extra/ncurses/ FPC used to have an own version of the LGPL (which we still call LIBRARY GPL btw), from before LGPL existed. Somewhere in 2000 this was rectified, but because users felt incertain about some of the clauses, an additional clarification to the base LGPL text was added, which is quoted below: ---------------------------------------------------------------------------- This is the file COPYING.FPC, it applies to the Free Pascal Run-Time Library (RTL) and packages (packages) distributed by members of the Free Pascal Development Team. The source code of the Free Pascal Runtime Libraries and packages are distributed under the Library GNU General Public License (see the file COPYING) with the following modification: As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you a are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. If you didn't receive a copy of the file COPYING, contact: Free Software Foundation 675 Mass Ave Cambridge, MA 02139 USA

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compiler quarrels
by Toby Ewing 14 Mar '05

14 Mar '05

Hi, I'm running into an odd problem here. Compiling simple Pascal programs goes fine, but when I compile a unit that has some C code (e.g., crt.pas) I get the message: gp: Pascal and C compilers specified seem to be for different platforms gp: ('i686-pc-linux-gnu' and 'i386-redhat-linux') Seems to me that this shouldn't be a problem, but clearly the compiler thinks it is. At this point, I haven't been able to compile any unit that uses C-code. What do I change, where, to make the two happy with each other? I'm running redhat (obviously) which has gcc 3.4.3-9, whereas the gpc is using the 3.3.3 library. A possible "cure" would be to install an older version of gcc in (say) /usr/local, but I'd just as soon not go backwards if I can avoid it. Also, the issue seems more about that apparent target platforms, than the library versions themselves. thanks, Toby

2 1

End of string
by loop lopy 14 Mar '05

14 Mar '05

How does writeln knows its the end of a string? I have the following code: String = packed array[1..256] of char; var Test: String; begin Test:='Hello world'; writeln (Test); Test[8] := Test[12]; writeln (Test); end. The output is: Hello world Hello w rld How does writeln knows where to stop printing the string? __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail

5 7

PARAMS and k&r definitions
by James A. Morrison 14 Mar '05

14 Mar '05

Hi, The coding conventions for gcc 3.4 and up say to no longer use k&r style definitions. Is gpc going to follow suit? I.e. Will patches to remove PARAMS and switch away from k&r style definitions be accepted? -- Thanks, Jim http://phython.blogspot.com

2 5

Wrap long lines in declarations.c
by James A. Morrison 13 Mar '05

13 Mar '05

Hi, This patch wraps most long lines to under 79 characters. It has been built and tested on ia64-linux along with the other previous two patches. -- Thanks, Jim http://phython.blogspot.com

1 0

Re: ncurses
by Rick Engebretson 13 Mar '05

13 Mar '05

FPC has a complete ncurses unit that might just slip right in GPC. Of course credit is due the author.

5 7

Calling a function
by loop lopy 12 Mar '05

12 Mar '05

I have the following code: function nString2nList (Str: String; var Num:Number):boolean; var CurrentChar: integer; begin CurrentChar:=0; while (Str[CurrentChar]<>'a') do begin writeln (Str[CurrentChar]); CurrentChar:= CurrentChar+1; end; nString2nList:=true; end; begin nString2nList ('-0123a', Num1); end. I get the following error on the one before last line: function call as a statement - value is ignored __________________________________ Do you Yahoo!? Yahoo! Mail - 250MB free storage. Do more. Manage less. http://info.mail.yahoo.com/mail_250

2 1

Homework
by loop lopy 12 Mar '05

12 Mar '05

The trouble is we had only one hour lecture on pascal and we wont have any more on this issue. I havnt found any decent refernce on GPC pascal. Is there any good reference on the web for GPC pascal? I hope that people wont get tired on answering me on those compilation errors, eventhough they are simple because these errors really get me stuck. Of course you dont have to answer if you dont want to. __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new resources site! http://smallbusiness.yahoo.com/resources/

2 1

Compiler error (small fix)
by loop lopy 12 Mar '05

12 Mar '05

I have defined a String = ^ char type which fixed the error in line 44. However I still have an error in line 17. Additional question, how do I get a data from ^ char pointer? If I have: a: ^ char; In c I would do the follwoing, either: *a = 'a'; or a[0] = 'a'; How do I do the equvalent in GPC? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

3 2

Compilation errors (no HTML, I think)
by loop lopy 12 Mar '05

12 Mar '05

I omitted the additional type and the first compilation error has been removed. Now I have two additional compilation errors. My code is: program Ex1 (input, output); type NumNode = record Value: integer; pNext: ^ NumNode; end; nNumber = record DigitsAmount: integer; DigitValue:^ NumNode; MSD: integer; DigitBase: integer; end; function nNumberIsEmpty (Num: nNumber): boolean; begin nNumberIsEmpty := (Num.DigitValue=0); end; function nNumberPop (var Number: nNumber): integer; var pNextValue:^ NumNode; begin if (nNumberIsEmpty(Number)) then nNumberPop:=0; else begin Number.DigitsAmount:=Number.DigitsAmount-1; pNextValue := Number.DigitValue^.pNext; dispose (Number.DigitValue); Number.DigitValue:=pNextValue; if (Number.DigitsAmount=0) then begin Number.MSD:=0; nNumberPop:=0; end else begin nNumberPop:=pNextValue^.Value; end; end; end; function nString2nList (String:^ char; var Number:nNumber;):boolean; begin end; begin writeln ('Hello world'); end. The errors I get: ex1.pas: In function 'Nnumberisempty': ex1.pas:17: invalid operands to binary = ex1.pas: At top level: ex1.pas:44: parse error before '^' What causes these errors? __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new resources site! http://smallbusiness.yahoo.com/resources/

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