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List:       freetds
Subject:    Re: [freetds] unixODBC 2.2.14 headers wrong?
From:       Sebastien FLAESCH <sf () 4js ! com>
Date:       2009-02-19 12:55:51
Message-ID: 499D56D7.8030608 () 4js ! com
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Hi Frediano,

Did not expect a solution, just wanted to warn everyone.

This looks for sure like an unixODBC bug.

Cheers,
Seb

Frediano Ziglio wrote:
> 2009/2/19 Sebastien FLAESCH <sf@4js.com>:
>> Hi all,
>>
>> I know this is maybe not the right mailing-list to talk about that,
>> but I think it's important for any ODBC users:
>>
>> I have just downloaded unixODBC sources 2.2.14, did a configure/make
>> and here is what I get in the unixodbc_conf.h header file:
>>
>> #ifndef HAVE_UNISTD_H
>>  #define HAVE_UNISTD_H
>> #endif
>> #ifndef HAVE_PWD_H
>>  #define HAVE_PWD_H
>> #endif
>> #ifndef HAVE_SYS_TYPES_H
>>  #define HAVE_SYS_TYPES_H
>> #endif
>> #ifndef HAVE_LONG_LONG
>>  #define HAVE_LONG_LONG
>> #endif
>> #ifndef ODBCINT64
>>  #define ODBCINT64                      <---- ????
>> #endif
>> #ifndef UODBCINT64
>>  #define UODBCINT64                     <---- ????
>> #endif
>> #ifndef SIZEOF_LONG_INT
>>  #define SIZEOF_LONG_INT 4
>> #endif
>>
>>
>> Actually, ODBCINT64 and UODBCINT64 are defined, but as "nothing"...
>>
>> Later, in sqltypes.h, you can see lines like:
>>
>> #ifdef ODBCINT64
>> typedef ODBCINT64       SQLBIGINT;
>> #endif
>> #ifdef UODBCINT64
>> typedef UODBCINT64      SQLUBIGINT;
>> #endif
>>
>> There are some lines in sqltypes.h to define a default for these
>> constants, but since unixodbc_conf.h defines them, I would rather
>> have expected something like this in unixodbc_conf.h:
>>
>> #ifndef ODBCINT64
>>  #define ODBCINT64 long long
>> #endif
>> #ifndef UODBCINT64
>>  #define UODBCINT64 unsigned long long
>> #endif
>>
>> This can be critical I think... configure script complete without
>> any error, but later on, when you compile your sources, you get
>> warning like:
>>
>> /usr/include/sqltypes.h:400: error: type defaults to 'int' in declaration of 'SQLBIGINT'
>> /usr/include/sqltypes.h:403: error: type defaults to 'int' in declaration of 'SQLUBIGINT'
>>
>> Did I miss something here?
>>
>> Cheers,
>> Seb
> 
> I hardly have time to code for FreeTDS :)
> This problem is only unixODBC related.
> 
> freddy77
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> FreeTDS@lists.ibiblio.org
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> 

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