Dear all,
Are there any good guideline in web site that can teach me how to write shared
library in CW? I know how to write normal application in CW already.
Thanks!
philip
Jeff Ishaq wrote:
> In a shared library's main header file, its exposed functions should be
> 'extern'd, and the should resolve into SYS_TRAP calls, which the linker
> should then resolve without a hitch. Here's an example of one that works:
>
> extern Err SampleLibClose(UInt refNum, DWord clientContext)
> SAMPLE_LIB_TRAP(sysLibTrapClose);
>
> Are you sure this isn't a static library? Those are meant to be linked into
> your project at compile time instead of runtime. If it is a static library,
> you just need to add MyLibrary.lib to your Codewarrior project. Then the
> linker will know to resolve the function calls into the static library
> trough this .lib file.
>
> Shared libraries don't usually have corresponding .lib files, so that would
> be one clue that you're working with a Static library instead of a shared
> library.
>
> If you want the lowdown, please check out my article:
> http://www.wwg.com/newsview/shared.shtml
>
> Thanks,
> -Jeff Ishaq
> The Windward Group
>
> -----Original Message-----
> From: Ariel Barreiro [mailto:
> Sent: Tuesday, September 21, 1999 4:11 PM
> To: Palm Forum List
> Subject: Shared Libraries with CW
>
> Hey, I have trying to use a Shared Library but when I call for the lib
> functions I receive a link error telling me that the function is undefined.
> I do include the header file but it still to tell me that those functions
> are undefined. If somebody can help me with this becouse I am completly
> blocked.
>
> Thank you.
