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Re: [PATCH] Add necessary copy constructors to libsvn_subr, libsvn_delta (1.3.x, Issue #2172)

From: C. Michael Pilato <cmpilato_at_collab.net>
Date: 2005-09-28 19:27:46 CEST

David James <james82@gmail.com> writes:

> [[[
>
> Create copy constructors for svn_txdelta_window_t,
> svn_log_changed_path_t, and svn_auth_ssl_server_cert_info_t.
> (These copy constructors are needed to solve the segfaults
> in the Python bindings caused by issue 2172.)
>
> * subversion/include/svn_delta.h
> (svn_txdelta_window_dup): New function.
> * subversion/include/svn_types.h
> (svn_log_changed_path_dup): New function.
> * subversion/include/svn_auth.h
> (svn_auth_ssl_server_cert_info_dup): New function.
> * subversion/libsvn_subr/constructors.c
> (svn_log_changed_path_dup,
> svn_auth_ssl_server_cert_info_dup): New functions.
> * subversion/libsvn_delta/delta.h
> (svn_txdelta__copy_window): Remove function.
> * subversion/libsvn_delta/text_delta.c
> (svn_txdelta__copy_window): Rename function to svn_txdelta_window_dup.
> * subversion/bindings/libsvn_fs_base
> (compose_handler): Use svn_txdelta_window_dup instead of
> svn_txdelta__copy_window.
>
> ]]]

I find log messages without empty lines between modification groups
really hard to parse.

Also, I think it's more useful to refer to svn_txdelta_window_dup()
not as a new function, but as a renamed function (renamed from
svn_txdelta__copy_window(), and make public). You know, tie the
history of these two functions together. Something like:

   Fix segfaults in the Python bindings caused by pool lifetime
   problems by creating/exposing deep-copy utilities for various
   structure types. This is a followup to the work done for issue
   #2172.
   
   * subversion/include/svn_delta.h
     (svn_txdelta_window_dup): Rename from svn_txdelta__copy_window(),
       and publicize.

   * subversion/include/svn_types.h
     (svn_log_changed_path_dup): New.

   * subversion/include/svn_auth.h
     (svn_auth_ssl_server_cert_info_dup): New.

   * subversion/libsvn_subr/constructors.c
     (svn_log_changed_path_dup, svn_auth_ssl_server_cert_info_dup): New.

   * subversion/libsvn_delta/delta.h
     (svn_txdelta__copy_window): Remove.

   * subversion/libsvn_delta/text_delta.c
     (svn_txdelta__copy_window): Rename to svn_txdelta_window_dup().

   * subversion/bindings/libsvn_fs_base
     (compose_handler): Use svn_txdelta_window_dup instead of
       svn_txdelta__copy_window.

Other than that, +1 on the change (which I've only visually reviewed,
not applied/tested).

-- 
C. Michael Pilato <cmpilato@collab.net>
CollabNet   <>   www.collab.net   <>   Distributed Development On Demand
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Received on Wed Sep 28 19:29:32 2005

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