Mail Archives: djgpp/1998/10/22/16:02:21
On Thu, 22 Oct 1998, Walter Moore wrote:
> From my tests, you are correct. When I use the ld.exe that
> came with RSXNTDJ, the DLL examples that came with rsxntdj will link,
> and runtime.exe even runs correctly (I have no idea why loadtime.exe
> dies).
Hmm, maybe you should find out? It works fine for me.
Note that just about all RSXNT programs use load time DLL
linking IIRC -- all of the C library is in a DLL. I think
unless you switch this off, your application will load RSXNT.DLL
at load time.
> Also, I found that I had to use the following #defines to get
> the system to recognize getopt() optarg, and optind:
>
> #ifdef __DJGPP__
> #define getopt _getopt
> #define optarg _optarg
> #define optind _optind
> #endif /* DJGPP */
>
> Also, I re-wrote my subroutine that used the extern char *environ[]
> as that way it was kept forcing gcc to try to compile in winmain(),
> which I did not want, so I passed it the variable from the main(),
> instead of just accessing it as a global variable.
I have no idea what you're talking about; but I don't use getopt
etc.
> Question: to use the winsock.dll, do I have to use LoadLibrary()
> and GetProcAddress() for the socket? What I have done so far is:
> makelib /windows/system/wsock32.dll -o wsock32.a
> mv wsock32.a libwsock32.a
>
> then I link with it:
> gcc -O -Zwin32 -DCLIENT -o lpcli lpcli.o strcli.o autogen.o env.o
> error.o initvars.o net.o options.o output.o readline.o writen.o
> -Ic:/djgpp/src/loadplan/LPserver.works -lwsock32
That's pretty much what I've done (see my other email about
this) but I didn't use the winsock.h that comes with RSXNTDJ.
Everything works fine for me so far.
> It links ok, but when I run it, it acts like its connecting, but
> when I try to write to the socket, it dies with a pop-up
> window titles RSXNT with this error:
> Exception at 0x004073CE
> Application got signal SIGSEGV
>
> note that the exception address will not change as long as I do
> not make changes to and recompile the program.
Have you tried debugging it? See the RSXNTDJ docs for
information on this.
--
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