ReactOS 0.4.15-dev-7942-gd23573b
mbscoll.c
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1/*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS system libraries
4 * FILE: lib/sdk/crt/mbstring/mbscoll.c
5 * PURPOSE:
6 * PROGRAMER: Ariadne
7 * UPDATE HISTORY:
8 * 12/04/99: Created
9 */
10
11#include <mbstring.h>
12
13int colldif(unsigned short c1, unsigned short c2);
14
15/*
16 * @implemented
17 */
18int _mbscoll(const unsigned char *str1, const unsigned char *str2)
19{
20 unsigned char *s1 = (unsigned char *)str1;
21 unsigned char *s2 = (unsigned char *)str2;
22
23 unsigned short *short_s1, *short_s2;
24
25 int l1, l2;
26
27 while ( *s1 != 0 ) {
28
29 if (*s1 == 0)
30 break;
31
32 l1 = _ismbblead(*s1);
33 l2 = _ismbblead(*s2);
34 if ( !l1 && !l2 ) {
35
36 if (*s1 != *s2)
37 return colldif(*s1, *s2);
38 else {
39 s1 += 1;
40 s2 += 1;
41 }
42 }
43 else if ( l1 && l2 ){
44 short_s1 = (unsigned short *)s1;
45 short_s2 = (unsigned short *)s2;
46 if ( *short_s1 != *short_s2 )
47 return colldif(*short_s1, *short_s2);
48 else {
49 s1 += 2;
50 s2 += 2;
51
52 }
53 }
54 else
55 return colldif(*s1, *s2);
56 } ;
57 return 0;
58}
59
60#if 0
61int _mbsbcoll(const unsigned char *str1, const unsigned char *str2)
62{
63 unsigned char *s1 = (unsigned char *)str1;
64 unsigned char *s2 = (unsigned char *)str2;
65
66 unsigned short *short_s1, *short_s2;
67
68 int l1, l2;
69
70
71 while ( *s1 != 0 ) {
72
73
74 l1 = _ismbblead(*s1);
75 l2 = _ismbblead(*s2);
76 if ( !l1 && !l2 ) {
77
78 if (*s1 != *s2)
79 return colldif(*s1, *s2);
80 else {
81 s1 += 1;
82 s2 += 1;
83 }
84 }
85 else if ( l1 && l2 ){
86 short_s1 = (unsigned short *)s1;
87 short_s2 = (unsigned short *)s2;
88 if ( *short_s1 != *short_s2 )
89 return colldif(*short_s1, *short_s2);
90 else {
91 s1 += 2;
92 s2 += 2;
93 }
94 }
95 else
96 return colldif(*s1, *s2);
97 } ;
98 return 0;
99}
100#endif
int _mbscoll(const unsigned char *str1, const unsigned char *str2)
Definition: mbscoll.c:18
int colldif(unsigned short c1, unsigned short c2)
Definition: mbsncoll.c:13
struct S1 s1
struct S2 s2
int __cdecl _ismbblead(unsigned int)
Definition: ismblead.c:20