>>>>> "Claudia" == Claudia M Castaneda <claudia@stripped>
> writes:
Claudia> ---------- Forwarded message ----------
Claudia> Date: Tue, 13 Jul 1999 09:59:49 -0400
Claudia> From: Gyorgy Fekete <gyuri@stripped>
Claudia> To: bane@stripped, claudia@stripped
Claudia> Subject: MYSQL error?
Claudia> In case anyone cares...
Claudia> In mysql documentation (Node: mysql_fetch_field_direct)
Claudia> the example given:
Claudia> MYSQL_FIELD *field;
Claudia> field = mysql_fetch_field_direct(result, i);
Claudia> is wrong. It should be:
Claudia> field = &mysql_fetch_field_direct(res, ui);
Claudia> --------------^----------------
Claudia> The docs give the prototype
Claudia> MYSQL_FIELD *mysql_fetch_field_direct(MYSQL_RES *result, unsigned int
> fieldnr)
Claudia> which *SEEMS* correct, but the mysql.h file revelas that this function is
Claudia> really a macro, therefore the type checking is weak. Discovery of this error
Claudia> came from the compiler message:
Claudia> mt.c: In function `main':
Claudia> mt.c:53: incompatible types in assignment
Claudia> make: *** [mt.o] Error 1
Claudia> for the line
Claudia> field = mysql_fetch_field_direct(res, ui); // res, ui are as approrpiate
Claudia> I changed it to:
Claudia> field = &mysql_fetch_field_direct(res, ui);
Claudia> and everything was fine.
Hi!
The bug is actually in mysql.h; I have now added & to the macro to
return a pointer.
This is compatible with MySQL 3.23, where everything is functions.
This change was done because it makes the libmysqlclient.so library
much safer against version changes!
Regards,
Monty
