Date: Mon, 12 Feb 2007 01:06:03 -0600 From: "Jia Zheng (Colin)" <colinzhengj@gmail.com> To: freebsd-i18n@freebsd.org Subject: wctomb bug? Message-ID: <20070212070603.GA4107@zjc.ch4.mdu>
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Hi all,
Pardon me if this is not the right place to write.
My program uses UTF-8 internally, and I wrote the below routine to
convert a UTF-8 char using current encoding.
24 int utf8tomb (pchar_t pcmb, const pchar_t pc)
25 {
26 wchar_t wc;
27 setlocale (LC_CTYPE, "en_US.UTF-8");
28 mbtowc (&wc, pc, MB_LEN_MAX);
29 setlocale (LC_CTYPE, "zh_CN.GB2312");
30 return wctomb (pcmb, wc);
31 }
Problem: wctomb works incorrectly with zh_CN.GB2312 (in fact, any
encoding other than UTF-8 and C). When trying to convert a Chinese charactor, pcmb[0]
always contains the decimal 17, and pcmb[1] is NULL.
Howver this routine works fine in Ubuntu. That is, pcmb points to a
string with length 2, not including the null terminator.
Besides, mbtowc works correctly. Since setlocale() was successful, I
believe the problem is with wctomb...
-zhengjia
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