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Re: Python SWIG for Win32

From: Branko Čibej <brane_at_xbc.nu>
Date: 2003-02-14 00:28:45 CET

Dale Hirt wrote:

>Hello all,
>I have been hacking on the Python bindings, and it's been a bit of a beyatch
>to say the least. However, I am starting to get there. I am simply stuck
>on one portion of it.
>Here's the error message:
>swigging d:\work\svn_work\subversion\bindings\swig/svn_repos.i to
>build\svn_repos.c(1677) : error C2632: 'long' followed by 'long' is illegal
>D:\Programs\SWIG-1.3.17\swig.exe -c -python -noproxy
>-Id:\work\subversion\subversion\include -IC:\Apache\Apache2\include
>-ID:\Programs\ActiveState\Python\2.2.2b224\include -o build\svn_repos.c
>C:\Program Files\Microsoft Visual Studio\VC98\BIN\cl.exe /c /nologo /Ox /MD
>/W3 /GX -Id:\work\svn_work\subversion\bindings\swig
>-Id:\work\subversion\subversion\include -IC:\Apache\Apache2\include
>-ID:\Programs\ActiveState\Python\2.2.2b224\include /Tcbuild\svn_repos.c
>/Fobuild\temp.win32-2.2\Release\svn_repos.obj /D APR_STATIC /D WIN32 /D
>error: command '"C:\Program Files\Microsoft Visual Studio\VC98\BIN\cl.exe"'
>failed with exit status 2
>I tracked it down to these lines in svn_repos.c:
>static PyObject *_wrap_svn_repos_dated_revision(PyObject *self, PyObject
>*args) {
> apr_time_t arg3 ;
>-> arg3 = (long long) PyLong_AsLongLong(obj1);
Oh blast, this is wrong...

>So then I tracked it down to these lines in apr.i:
>/* -----------------------------------------------------------------------
> handle the mappings for apr_time_t
> Note: we don't generalize this to 'long long' since SWIG is starting
> to handle that.
>%apply long long { apr_time_t };
And so is this. Nuts, nuts, nuts. Nobody shoudl use "long long" directly
-- instead, we should use


as that's always guaranteed to be 64 bits, while "long long" could
easily be 128 bits on some architectures (not to mention that it's not
portable to non-C99 compilers).

Brane Čibej   <brane_at_xbc.nu>   http://www.xbc.nu/brane/
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Received on Fri Feb 14 00:29:25 2003

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