Re: Global data in shareable library...

[Richard Levitte - VMS Whacker]

From: Rich Salz <[EMAIL PROTECTED]>

rsalz> You can do it like ANSI says for errno.
rsalz> 
rsalz> #ifdef GOOD_LINKER
rsalz> extern ASN1_ITEM* ku_item;
rsalz> #else /* BAD_LINKER */
rsalz> #define ku_item asn1_item_lookup(ku_item_nid)
rsalz> extern ASN1_ITEM* asn1_item_lookup(int);
rsalz> #endf
rsalz> 
rsalz> Then developers get source compatibility.

Yup, I was thinking of that, but it might mean a certain complication
of some other macros.  Although, I haven't looked at it at that level
yet.

That errno thing, that's for thread safety, isn't it?  Or are there
other reasons behind?

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