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Re: [PATCH] grep -i: work also when converting to lower-case inflates by

From: Paul Eggert
Subject: Re: [PATCH] grep -i: work also when converting to lower-case inflates byte count
Date: Sat, 16 Jun 2012 08:41:33 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 
On 06/16/2012 05:34 AM, Jim Meyering wrote:
> -  unsigned char *map = NULL;
> +  char *map = NULL;

This isn't portable, as 'char' is unsigned on some platforms.
Changing it to 'signed char' or to 'int_least8_t'
should fix the problem.  Similarly elsewhere.
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