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From Branko ─îibej <br...@xbc.nu>
Subject Re: svn commit: r231136 - in /apr/apr-util/trunk: dbd/apr_dbd.c dbd/apr_dbd_internal.h include/apr_dbd.h
Date Wed, 10 Aug 2005 09:21:37 GMT
niq@apache.org wrote:

>Author: niq
>Date: Tue Aug  9 16:15:03 2005
>New Revision: 231136
>
>URL: http://svn.apache.org/viewcvs?rev=231136&view=rev
>Log:
>Revise apr_dbd to hide driver struct from public API
>  - so it can be extended without touching any public structs
>  
>
[...]

>Modified: apr/apr-util/trunk/dbd/apr_dbd.c
>URL: http://svn.apache.org/viewcvs/apr/apr-util/trunk/dbd/apr_dbd.c?rev=231136&r1=231135&r2=231136&view=diff
>==============================================================================
>--- apr/apr-util/trunk/dbd/apr_dbd.c (original)
>+++ apr/apr-util/trunk/dbd/apr_dbd.c Tue Aug  9 16:15:03 2005
>@@ -16,8 +16,11 @@
> 
> #include <stdio.h>
> 
>+#define APR_DBD_C
>  
>
[...]

>+#ifndef APR_DBD_INTERNAL
>+typedef struct apr_dbd_t apr_dbd_t;
>+typedef struct apr_dbd_transaction_t apr_dbd_transaction_t;
>+typedef struct apr_dbd_results_t apr_dbd_results_t;
>+typedef struct apr_dbd_row_t apr_dbd_row_t;
>+typedef struct apr_dbd_prepared_t apr_dbd_prepared_t;
>+#endif
>  
>
[...]

>Modified: apr/apr-util/trunk/include/apr_dbd.h
>URL: http://svn.apache.org/viewcvs/apr/apr-util/trunk/include/apr_dbd.h?rev=231136&r1=231135&r2=231136&view=diff
>==============================================================================
>--- apr/apr-util/trunk/include/apr_dbd.h (original)
>+++ apr/apr-util/trunk/include/apr_dbd.h Tue Aug  9 16:15:03 2005
>@@ -25,8 +25,10 @@
> extern "C" {
> #endif
> 
>+#if defined APR_DBD_INTERNAL || defined APR_DBD_C
>+#include "apr_dbd_internal.h"
>+#else
>  
>
Please don't do this. Conditionally including private headers from 
public ones is evil, and it's not necessary anyway.

Just put the forward declarations of the opaque structures inth 
apr_dbd.h, loose the APR_DBD_INTERNAL and APR_DBD_C defines, and let the 
implementation files include apr_dbd_internal.h when they need it. You 
can move apr_dbd_internal.h back to the dbd directory then.



-- Brane


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