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Re: [PATCH] Improved `scm_from_locale_symbol ()' + `scm_take_locale_symb

From: Han-Wen Nienhuys
Subject: Re: [PATCH] Improved `scm_from_locale_symbol ()' + `scm_take_locale_symbol ()'
Date: Tue, 24 Jan 2006 11:11:19 +0000 (UTC)

In article <address@hidden>,
Ludovic Courtès <address@hidden> wrote:
>The patch below does two things:
>1.  It introduces `scm_take_locale_symbol ()'.
>2.  It modifies `scm_from_locale_symbol ()' so that it doesn't create a
>    Scheme string to do the job.
>This second modification has a nice effect: it can significantly reduce
>the number of objects created at load-time.  Unfortunately, Guile's
>built-in reader always produces Scheme strings (in `scm_read_token ()')
>so it cannot benefit from this optimization.

Why isn't it possible to write a


which takes the C-string inside the SCM string, and sets the data of
the SCM string to NULL? Or am I missing wrt to shared strings? 

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