On Friday 07 June 2013 01:57:54 kpstein wrote:
> I'm trying to use the http_gunzip module as an example for a filter I am
> trying to write. I'm particularly interested in the buffer management.
>
> The module has a value in its ctx stuct called last_buf
>
> ...
> ngx_chain_t **last_out;
> ...
>
> last_out is set in various places throughout the code. Sometimes to other
> chains in the ctx, sometimes to newly allocated chains.
>
> But as far as I can tell, none of the code ever uses the value stored in
> last_out. (It seems to be a write-only variable :-)
>
> Anybody know what I'm missing?
>

% grep '*ctx->last_out' -n src/http/modules/ngx_http_gunzip_filter_module.c
461: *ctx->last_out = cl;
497: *ctx->last_out = cl;
546: *ctx->last_out = cl;
592: *ctx->last_out = cl;


wbr, Valentin V. Bartenev

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