mbscmp.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 62 行

/****************************************************************************
*
*                            Open Watcom Project
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*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
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*  ========================================================================
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*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
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* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
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****************************************************************************/


#include "variety.h"
#include <mbstring.h>
#include "farfunc.h"



/****
***** Compare two strings.  Equivalent to strcmp().
****/

_WCRTLINK int _NEARFAR(_mbscmp,_fmbscmp)( const unsigned char _FFAR *s1, const unsigned char _FFAR *s2 )
{
    int                 status;

//    if( !__IsDBCS )  return( strcmp( s1, s2 ) );

    /*** Compare characters, one by one ***/
    while( !_NEARFAR(_mbterm,_fmbterm)(s1) && !_NEARFAR(_mbterm,_fmbterm)(s2) ) {
        status = _NEARFAR(_mbccmp,_fmbccmp)( s1, s2 ); /* compare chars */
        if( status != 0 )  return( status );        /* if error, return */
        s1 = _NEARFAR(_mbsinc,_fmbsinc)( s1 );/* skip over character */
        s2 = _NEARFAR(_mbsinc,_fmbsinc)( s2 );/* skip over character */
    }

    if( _NEARFAR(_mbterm,_fmbterm)(s1) && _NEARFAR(_mbterm,_fmbterm)(s2) )
        return( 0 );
    else
        return( *s1 - *s2 );
}