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Latest threads

1. Documentation bug - Language Ref - Ordinal types

   According to this HTML page: https://freepascal.org/docs-html/ref/refsu4.html The data types Byte, Word and Cardinal (LongWord) has the following ranges: 128..255 Byte…

   GGraeme Geldenhuys12-27-2020 16:58 UTC
   1
2. heaptrc unit troubles with New() & Dispose() calls

   Are there any known issues with heaptrc unit via compiler parameters -gl -gh, when using New() and Dispose() to manually allocate and free memory. I helped someone debug…

   GJGraeme Geldenhuys, Jonas Maebe12-27-2020 16:40 UTC
   2
3. TurboVision is reborn as FOSS (again)

   https://github.com/magiblot/tvision Someone enterprising could make a TurboPascal clone out of FPC. :-) Liam Proven – Profile: https://about.me/liamproven Email: –…

   LGGLiam Proven, gabor, Graeme Geldenhuys12-26-2020 22:16 UTC
   30
4. FCL-DB Classes Implementation.

   Are there plans to implement TArrayField, TADTField, TReferenceField, TDatasetField classes in fcl-db package? Thank you. Regards. Ioulianos Kakoulidis.

   KMTKakoulidis Ioulianos, Michael Van Canneyt, Tony Whyman12-22-2020 11:55 UTC
   6
5. Selecting Records with a variable

   The best way to explain what I'm hoping to do is by example... Say I have this record: Type Axis_Record = Record X,Y,Z,A,B,C : Double; End; Var AxisValue :…

   JJLJames Richters, Jean SUZINEAU, Luca Olivetti12-20-2020 22:08 UTC
   14
6. callback from c with varargs

   I'm trying to use a c library where I can define a logging plugin. The c prototype for the callback is void (*log)(void *logContext, UA_LogLevel level, UA_LogCategory…

   LJTLuca Olivetti, Jonas Maebe, Tomas Hajny12-20-2020 15:06 UTC
   6
7. Initialization of constant record member of pointer type

   is there a way how to initialize record member of pointer type (other than PChar) in the following example: type   TMyRec=record     a: PByte; // if I change PByte…

   LLLLacaK, Ladislav Karrach, Luca Olivetti12-20-2020 12:37 UTC
   16
8. Error compiling on AROS/m68k: 1980-0-0 is not a valid date specification

   I've trying FPC on an Vampire 4 SA machine with ApolloOS/AROS m68k. Whenever I try to compile a pascal program (simple "Hello World" style) the compiler stopps with an…

   CKCarsten Strotmann, Karoly Balogh (Charlie/SGR12-18-2020 17:12 UTC
   6
9. An idea for a "pair" type

   Just for fun I wanted to see what people thought about a potential "pair" type added to the compiler. Dictionaries have proven themselves to be a fundamental type we use…

   RSRyan Joseph, Sven Barth12-16-2020 23:11 UTC
   3
10. netdb, TCP, and DNS queries

    Following up on the work I've being doing to add support for DNS queries over TCP to netdb and to add support for querying all of the standard resource types such as MX,…

    NMNoel Duffy, Michael Van Canneyt12-13-2020 19:35 UTC
    4
11. Range Check runtime errors

    I was recently troubleshooting a program that got a range check error and had quite a time figuring it out... it gave me the line number that generated the error... but…

    JBWJames Richters, Bo Berglund, Winfried Bartnick12-9-2020 09:50 UTC
    4
12. How to get the current translation of a resource string?

    Since I want to treat a specific exception that cannot be distinguished by the class alone but only by the class and message, I need to find the current translation of…

    LMMLuca Olivetti, Mattias Gaertner, Michael Van Canneyt12-2-2020 13:02 UTC
    7
13. New User

    I have just discover FreePascal and compiled FPC from source. I must say it look very good. I did a software engineering course in the UK Open University, in the 1980s,…

    DMUDerek Stewart, Marcos Douglas B. Santos, Unknown author11-30-2020 14:20 UTC
    2
14. Daily docs

    I finally decided to tackle something which was on my TODO list for many years. They are accessible from this page: https://www.freepascal.org/daily/daily.html This is…

    MGMichael Van Canneyt, Graeme Geldenhuys11-29-2020 17:04 UTC
    1
15. Compilation speed on Apple M1

    first and foremost, many thanks to the creators and contributors of FPC and Lazarus, who enabled me to release my product natively for Apple Silicon only one day after…

    TFJTobias Giesen, Florian Klämpfl, Jonas Maebe11-27-2020 16:30 UTC
    21
16. I'm working on automated Help Output for console apps

    I'm working on a automated help output writer(s) for console apps. Thus no more tedious and ugly output when you do: myapp -h My aims: * I write a lot of console apps,…

    GABGraeme Geldenhuys, Amir, Bart11-23-2020 21:56 UTC
    14
17. fpmmap problem 64 bit linux

    A 32 bit freepascal program on a 32 bit Linux Debian system is working properly. It uses fpmmap for getting the adress of a kms framebuffer. The same 32 bit program on a…

    RARainer Stratmann, Alexander Grotewohl11-22-2020 16:53 UTC
    3
18. Graphing library

    I am looking for a simple to use non-visual graphing library to produce x-y plots in a raster file format (similar to how pyplot works). Rather than developing…

    DBGDarius Blaszyk, Bernd Oppolzer, Graeme Geldenhuys11-19-2020 22:45 UTC
    7
19. PTC Graph - Custom window sizes

    I've been using PTCGraph from PTCPas and so far I can only use windows sizes that there happens to be a display driver for, even if they are in a window.. so I can make…

    JNJames Richters, Nikolay Nikolov11-19-2020 22:40 UTC
    6
20. link.res search dirs when cross compiling

    where do the SEARCH_DIRs in link.res come from? My build has started failing, after trying it on a new computer with…

    BJMBenito van der Zander, Jonas Maebe, Marco van de Voort11-18-2020 20:02 UTC
    4
21. Access Violation on second compile with FPC Text IDE

    I'm suddenly getting an access violation when compiling after a file changed with the FPC text IDE: Recompiling because of I:\Programming\Gcode\Mill\pastep.pas…

    JCVJames Richters, C Western, Vojtěch Čihák11-13-2020 19:03 UTC
    3
22. fppdf textwidth

    This has probably been asked before but I can't find the answer. How to get the text width of a string? I see code for the standard pdf fonts, but all these functions are

    MMMattias Gaertner, Michael Van Canneyt11-9-2020 21:13 UTC
    1
23. CRT unit and bug #32558

    I have some difficulties using the crt unit. For what I can see, https://bugs.freepascal.org/view.php?id=32558 could well be the answer, specialy a call like…

    CTChed, Tomas Hajny11-6-2020 23:27 UTC
    1
24. Generics in Objective Pascal?

    I'd like to have a generic objcclass that would add some extra functionality for multiple base types.  I don't have a lot of experience with generics, but this compiles:

    ZRZoë Peterson, Ryan Joseph11-2-2020 21:37 UTC
    3
25. FPC 3.2fixes UTF8Decode strange place

    rtl/inc/ustrings.inc as well as the two existing branches will result in the same Yes, it was my point B. @/José Mejuto, can you pls simplify this place, ie remove "if…

    AJAlexeyT, José Mejuto11-2-2020 08:16 UTC
    1
26. TypeInfo on generic templates

    Is it possible that the TypeInfo intrinsic could work with generic template types or is this a bug? I get "Illegal qualifier" in the procedure below. generic procedure…

    RHSRyan Joseph, Howard Page-Clark, Sven Barth10-30-2020 06:44 UTC
    3
27. FPC 3.2fixes UTF8Decode strange place

    rtl/inc/ustrings.inc function UTF8ToUnicode(Dest: PUnicodeChar; MaxDestChars: SizeUInt; Source: PChar; SourceBytes: SizeUInt): SizeUInt; a) it has "If (PreChar13) and…

    AJMAlexeyT, José Mejuto, Michael Van Canneyt10-29-2020 10:22 UTC
    4
28. Lazarus complains that it cannot find a dependency, why?

    I get an error message when building a project after updating from SVN to get the sources that build fine on another RPi4 identical in configuration. "Fatal: Cannot find…

    BJTBo Berglund, Joost van der Sluis, Tomas Hajny10-28-2020 19:36 UTC
    7
29. Is lazarus list down?

    I have not gotten any new posts on the Lazarus list since 2 weeks now (last seen was Oct 8th). Has it been stopped or is there a Gmane connectivity issue? I am…

    BWBo Berglund, Winfried Bartnick10-25-2020 09:30 UTC
    2
30. New package to evaluate Pascal-expressions

    Working on fpDebug, I've got onto a side-track and created an expression-evaluator based on fcl-passrc <http://lazarussupport.com/fpc-expression-evaluator/>. So that you…

    JCMJoost van der Sluis, C Western, Michael Van Canneyt10-24-2020 13:07 UTC
    2

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