mbsicoll.c

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/*
 * COPYRIGHT:   See COPYING in the top level directory
 * PROJECT:     ReactOS system libraries
 * FILE:        lib/sdk/crt/mbstring/mbsicoll.c
 * PURPOSE:
 * PROGRAMER:   Ariadne
 * UPDATE HISTORY:
 *              12/04/99: Created
 */
#include <mbstring.h>
#include <mbctype.h>
#include <ctype.h>
 
int colldif(unsigned short c1, unsigned short c2);
/*
 * @implemented
 */
int _mbsicoll(const unsigned char *str1, const unsigned char *str2)
{
    unsigned char *s1 = (unsigned char *)str1;
    unsigned char *s2 = (unsigned char *)str2;
 
    unsigned short *short_s1, *short_s2;
 
    int l1, l2;
 
    while ( *s1 != 0 ) {
 
        if (*s1 == 0)
            break;
 
        l1 = _ismbblead(*s1);
        l2 = _ismbblead(*s2);
        if ( !l1 &&  !l2  ) {
 
            if (toupper(*s1) != toupper(*s2))
                return colldif(*s1, *s2);
            else {
                s1 += 1;
                s2 += 1;
            }
        }
        else if ( l1 && l2 ){
            short_s1 = (unsigned short *)s1;
            short_s2 = (unsigned short *)s2;
            if ( _mbctoupper(*short_s1) != _mbctoupper(*short_s2 ))
                return colldif(*short_s1, *short_s2);
            else {
                s1 += 2;
                s2 += 2;
 
            }
        }
        else
            return colldif(*s1, *s2);
    } ;
    return 0;
}