Re: [Lazarus] Creating a library
On Tue, Nov 15, 2022 at 3:50 PM Sven Barth via lazarus < lazarus@lists.lazarus-ide.org> wrote: > Am 15.11.2022 um 20:31 schrieb Aruna Hewapathirane: > > > On Tue, Nov 15, 2022 at 2:28 PM Sven Barth via lazarus < > lazarus@lists.lazarus-ide.org> wrote: > >> Am 15.11.2022 um 20:11 schrieb Aruna Hewapathirane via lazarus: >> > Hello Everyone, >> > >> > I was wondering if it is possible for me to create a library with my >> > own set of code snippets I use on a regular basis . Is there any >> > example code I can possibly look at how this is done? >> > >> > Or a small single function example if someone is willing would help >> > immensely. >> >> Do you really mean a library in the sense of a DLL or SO which requires >> you to pay a bit more attention to how you code it due to the crossing >> of the module boundaries or do you mean a Lazarus package which is a >> collection of units that Lazarus will compile for you if necessary and >> that you can use freely? >> >> Regards, >> Sven >> > > > Hi Sven, my apologies I should have been more specific and yes it is the > linux SO > I am specifically interested in but certainly also interested in how to > create the DLL > for Windows.Thanks! > > Then please take a look here: > https://www.freepascal.org/docs-html/prog/progch12.html#x262-27800012 > Thank you, this is what I was looking for. Very much appreciate you taking the time to help a noob. That is some serious documentation by the way.. :-) > > > But also pay attention to these articles on the Wiki which raise a few > issues you need to be aware of: > - https://wiki.freepascal.org/Lazarus/FPC_Libraries > - https://wiki.freepascal.org/shared_library > Understood and shall comply. Thank you again! > > > Important points of these to keep in mind: > - don't allocate memory in the module and release in the program (or vice > versa) - unless you use a common memory manager between them like ShareMem > or cmem - this also includes strings and arrays > - don't pass classes between module and program > - don't propagate exceptions from the module to the program (or vice versa) > > Regards, > Sven > Once again thank you very much for your time Sven. Aruna > -- > ___ > lazarus mailing list > lazarus@lists.lazarus-ide.org > https://lists.lazarus-ide.org/listinfo/lazarus > -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
Re: [Lazarus] Creating a library
Am 15.11.2022 um 20:31 schrieb Aruna Hewapathirane: On Tue, Nov 15, 2022 at 2:28 PM Sven Barth via lazarus wrote: Am 15.11.2022 um 20:11 schrieb Aruna Hewapathirane via lazarus: > Hello Everyone, > > I was wondering if it is possible for me to create a library with my > own set of code snippets I use on a regular basis . Is there any > example code I can possibly look at how this is done? > > Or a small single function example if someone is willing would help > immensely. Do you really mean a library in the sense of a DLL or SO which requires you to pay a bit more attention to how you code it due to the crossing of the module boundaries or do you mean a Lazarus package which is a collection of units that Lazarus will compile for you if necessary and that you can use freely? Regards, Sven Hi Sven, my apologies I should have been more specific and yes it is the linux SO I am specifically interested in but certainly also interested in how to create the DLL for Windows.Thanks! Then please take a look here: https://www.freepascal.org/docs-html/prog/progch12.html#x262-27800012 But also pay attention to these articles on the Wiki which raise a few issues you need to be aware of: - https://wiki.freepascal.org/Lazarus/FPC_Libraries - https://wiki.freepascal.org/shared_library Important points of these to keep in mind: - don't allocate memory in the module and release in the program (or vice versa) - unless you use a common memory manager between them like ShareMem or cmem - this also includes strings and arrays - don't pass classes between module and program - don't propagate exceptions from the module to the program (or vice versa) Regards, Sven-- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
Re: [Lazarus] Creating a library
On Tue, Nov 15, 2022 at 2:28 PM Sven Barth via lazarus < lazarus@lists.lazarus-ide.org> wrote: > Am 15.11.2022 um 20:11 schrieb Aruna Hewapathirane via lazarus: > > Hello Everyone, > > > > I was wondering if it is possible for me to create a library with my > > own set of code snippets I use on a regular basis . Is there any > > example code I can possibly look at how this is done? > > > > Or a small single function example if someone is willing would help > > immensely. > > Do you really mean a library in the sense of a DLL or SO which requires > you to pay a bit more attention to how you code it due to the crossing > of the module boundaries or do you mean a Lazarus package which is a > collection of units that Lazarus will compile for you if necessary and > that you can use freely? > > Regards, > Sven > Hi Sven, my apologies I should have been more specific and yes it is the linux SO I am specifically interested in but certainly also interested in how to create the DLL for Windows.Thanks! > ___ > lazarus mailing list > lazarus@lists.lazarus-ide.org > https://lists.lazarus-ide.org/listinfo/lazarus > -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
Re: [Lazarus] Creating a library
Am 15.11.2022 um 20:11 schrieb Aruna Hewapathirane via lazarus: Hello Everyone, I was wondering if it is possible for me to create a library with my own set of code snippets I use on a regular basis . Is there any example code I can possibly look at how this is done? Or a small single function example if someone is willing would help immensely. Do you really mean a library in the sense of a DLL or SO which requires you to pay a bit more attention to how you code it due to the crossing of the module boundaries or do you mean a Lazarus package which is a collection of units that Lazarus will compile for you if necessary and that you can use freely? Regards, Sven -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
[Lazarus] Creating a library
Hello Everyone, I was wondering if it is possible for me to create a library with my own set of code snippets I use on a regular basis . Is there any example code I can possibly look at how this is done? Or a small single function example if someone is willing would help immensely. Thank you. Aruna Hewapathirane -- ___ lazarus mailing list lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus
