bug-grep
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 1/5] maint: ensure that MB_CUR_MAX is defined even when !MBS_


From: Aharon Robbins
Subject: Re: [PATCH 1/5] maint: ensure that MB_CUR_MAX is defined even when !MBS_SUPPORT
Date: Sun, 09 Oct 2011 21:00:37 +0200
User-agent: Heirloom mailx 12.4 7/29/08

Hi.

> > Having variables grep_mb_cur_max and dfa_mb_cur_max (separate for the 
> > reasons Arnold explained) would work, but it would make it impossible 
> > for the compiler to throw away the multibyte code when MBS_SUPPORT is zero.
>
> Why?
>
> #if MBS_SUPPORT
> int greb_mb_cur_max = MB_CUR_MAX; /* or initialize it in main */
> #else
> #define grep_mb_cur_max 1
> #endif
>
> Hmmm.  Maybe I should try a proof-of-concept for this in gawk... :-)

I did that and it works ok. At least with GCC. :-)

Arnold



reply via email to

[Prev in Thread] Current Thread [Next in Thread]