On 02/12/2013 12:57, Duy Nguyen wrote:
>> I suggest use C preprocessor instead. The person who complete git (make 
>> debian, rpm etc. package) decide  enable it or not (disable by default). 
>> Most of people use git from distribution instead of complete it from source.
>> #ifndef VSNPRINTF_OK
>>         setlocale(LC_CTYPE, "C");
>> #endif
> A single vsnprintf is cheap enough that I would not worry about
> performance impact. Given a choice between this and distro
> maintainers, some of them do check release notes, some not so much,
> I'd rather go with this.
We can set this macro automatically  by using autoconf.
Add following code in configure.ac

#include <stdio.h>
#include <locale.h>
#include <gnu/libc-version.h>

#define STR "David_K\345gedal"
    char buf[20];
    setlocale(LC_ALL, "en_US.UTF-8");
    if (snprintf(buf, 13, "%.13s", STR) < 0){
gcc -o conftest conftest.c
AC_DEFINE([VSNPRINTF_OK], [m4_esyscmd([./conftest])], [Enable l10n libc
if vnsprintf OK])

You can change c code here!

Trần Ngọc Quân.

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