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Re: IDL 5.5 call_external passing strings [message #27866 is a reply to message #27831]

Mon, 05 November 2001 15:03

mikef
Messages: 9
Registered: May 1998

Junior Member

In article <3BE7178F.851EE28@facstaff.wisc.edu>,
Paul Probert <pprobert@facstaff.wisc.edu> wrote:
> Folks,
> Under IDL 5.5, if I call into my dll with call_external, passing a
> string
> into the C program as an IDL_STRING structure (as per the documentation,
> and which
> worked fine in 5.3) the pointer to the string, the "s" member of the
> structure,
> now points to invalid memory (address of 0x00000001 in my case), even
> though the slen
> member is right (21 bytes in my case). Is this a bug in 5.5, or what?
> Anybody else
> have this problem?
>
> Paul Probert
> University of Wisconsin

The problem is that RSI has once again redefined the IDL_STRING structure,
this time to increase the maximum length. Now it's using a 32 bit integer.
You will need to recompile your dll to use the external.h from IDL 5.5
--
--
Mike Fitzgibbon MRFitz@ns.arizona.edu
UofAz, LPL phone:(520)626-4791
Systems Programmer, Pr. fax: (520)621-6783

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[Message index]

		Re: IDL 5.5 call_external passing strings By: Paul Probert on Tue, 06 November 2001 11:58
		Re: IDL 5.5 call_external passing strings By: mikef on Mon, 05 November 2001 15:03

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