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[freetds] Re: \connect: Unable to install message callback
- From: Steve Langasek <vorlon AT netexpress.net>
- To: freetds AT lists.ibiblio.org
- Subject: [freetds] Re: \connect: Unable to install message callback
- Date: Sat, 11 Jan 2003 20:03:15 -0600
On Sat, Jan 11, 2003 at 06:59:11PM -0600, Steve Langasek wrote:
> The regression dates back to September 26, 2002, for the record.
> In the meantime, I'll see about getting setlocale() support into tsql.
... ok, I lied; instead, I'm tracking down the incompatibility. :)
Looks like the following change to the definition of a public structure
is the problem:
-typedef struct cs_context
+struct cs_context
{
CS_INT date_convert_fmt;
- int (*_clientmsg_cb)(void*, void*, void*);
- int (*_servermsg_cb)(void*, void*, void*);
+ CS_RETCODE (*_cslibmsg_cb)(CS_CONTEXT *, CS_CLIENTMSG *);
+ CS_RETCODE (*_clientmsg_cb)(CS_CONTEXT *, CS_CONNECTION *,
CS_CLIENTMSG *);
+ CS_RETCODE (*_servermsg_cb)(CS_CONTEXT *, CS_CONNECTION *,
CS_SERVERMSG *);
TDSCONTEXT *tds_ctx;
-} CS_CONTEXT;
+};
This breaks applications compiled against previous versions of ctlib,
because ctlib and the application have different ideas of the offset
into the structure for the _clientmsg_cb, _servermsg_cb, and tds_ctx
elements.
Is it ok to move the newly-added _cslibmsg_cb element to the end of the
structure (preserving binary compatibility), or is it time to bump the
SONAME of libct.so?
--
Steve Langasek
postmodern programmer
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-
[freetds] \connect: Unable to install message callback,
Steve Langasek, 01/11/2003
-
[freetds] Re: \connect: Unable to install message callback,
Steve Langasek, 01/11/2003
-
Re: [freetds] Re: \connect: Unable to install message callback,
James K. Lowden, 01/11/2003
-
Re: [freetds] Re: \connect: Unable to install message callback,
Steve Langasek, 01/12/2003
-
Re: [freetds] Re: \connect: Unable to install message callback,
Frediano Ziglio, 01/12/2003
- Re: [freetds] Re: \connect: Unable to install message callback, Steve Langasek, 01/12/2003
-
Re: [freetds] Re: \connect: Unable to install message callback,
Frediano Ziglio, 01/12/2003
-
Re: [freetds] Re: \connect: Unable to install message callback,
Steve Langasek, 01/12/2003
-
Re: [freetds] Re: \connect: Unable to install message callback,
James K. Lowden, 01/11/2003
-
[freetds] Re: \connect: Unable to install message callback,
Steve Langasek, 01/11/2003
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