fmtob.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 79 行

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*
*                            Open Watcom Project
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*    This file contains Original Code and/or Modifications of Original
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#include "variety.h"
#include <jstring.h>


/**
*
*  Name:        _fmtob
*
*  Synopsis:    nb = _fmtob( s, nm );
*
*               int nb;         僶僀僩悢
*               FJSTRING s;     暥帤楍
*               int nm;         暥帤悢
*
*  Description: 暥帤楍倱偺愭摢偐傜値倣偱巜掕偟偨暥帤悢偺娫偵偁傞僶僀僩悢
*               傪曉偡丅娍帤僐乕僪偼俀僶僀僩偱侾暥帤偲悢偊傞丅
*
*
*  Name:        _fmtob
*
*  Synopsis:    nb = _fmtob( s, nm );
*
*               int nb;         Length of string s (Unit:byte)
*               JSTRING s;      String
*               int nm;         The number of character
*
*  Description: Return the length of the sring s by byte from the head of s
*               to the nb th character. Two bytes of KANJI code is treated as
*               one character. This function is a data independent form that
*               accept far pointer argunments. It is most useful in mix memory
*               model applications.
*
**/

_WCRTLINK size_t _WCI86FAR _fmtob( const JCHAR _WCFAR *s, size_t nm )
{
    const JCHAR _WCFAR *ss;
    JMOJI m;

    ss = s;
    while( nm-- ) {
        ss = _fjgetmoji( ss, (JMOJI _WCFAR *)&m );
        if( m == 0 ) break;
    }
    return( ss - s );
}