[gdal-dev] Wrapping VSIStdoutSetRedirection

[Even Rouault]

Le mardi 10 novembre 2015 18:22:19, Ari Jolma a écrit :
> I'd like to wrap VSIStdoutSetRedirection.
> 
> I would use it for streaming generated data in a web environment. The
> preferred way to stream data out nowadays in Perl web development is to
> use a write function in Perl space - i.e., not the standard print to
> stdout.
> 
> I can capture stdout and achieve the wanted goal that way but it is a
> bit too hackish I think.
> 
> I don't think the wrapping is such a big deal itself - it will require a
> bit unusual function typemap, so I'll limit it to Perl for now - but
> there is something in the C space I need to ask.
> 
> How can one undo a redirection done with VSIStdoutSetRedirection? It
> seems to me that it would need a function:
> 
> void VSIStdoutUnsetRedirection()
> {
>      pWriteFunction = fwrite;
>      pWriteStream = stdout;
> }
> 
> but there is no such. Should there be one?

Why not just call VSIStdoutSetRedirection(fwrite, stdout) ?

> 
> Best,
> 
> Ari
> 
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