OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [gdb-5.0/] [libiberty/] [strncasecmp.c] - Blame information for rev 1765

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 106 markom
/*
2
 * Copyright (c) 1987 Regents of the University of California.
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms are permitted
6
 * provided that this notice is preserved and that due credit is given
7
 * to the University of California at Berkeley. The name of the University
8
 * may not be used to endorse or promote products derived from this
9
 * software without specific written prior permission. This software
10
 * is provided ``as is'' without express or implied warranty.
11
 */
12
 
13
#if defined(LIBC_SCCS) && !defined(lint)
14
static char sccsid[] = "@(#)strcasecmp.c        5.5 (Berkeley) 11/24/87";
15
#endif /* LIBC_SCCS and not lint */
16
 
17
#include <ansidecl.h>
18
#ifdef __STDC__
19
#include <stddef.h>
20
#else
21
#define size_t unsigned long
22
#endif
23
 
24
/*
25
 * This array is designed for mapping upper and lower case letter
26
 * together for a case independent comparison.  The mappings are
27
 * based upon ascii character sequences.
28
 */
29
static unsigned char charmap[] = {
30
        '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
31
        '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
32
        '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
33
        '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
34
        '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
35
        '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
36
        '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
37
        '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
38
        '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
39
        '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
40
        '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
41
        '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
42
        '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
43
        '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
44
        '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
45
        '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
46
        '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
47
        '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
48
        '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
49
        '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
50
        '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
51
        '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
52
        '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
53
        '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
54
        '\300', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
55
        '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
56
        '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
57
        '\370', '\371', '\372', '\333', '\334', '\335', '\336', '\337',
58
        '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
59
        '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
60
        '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
61
        '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
62
};
63
 
64
int
65
strncasecmp(s1, s2, n)
66
        const char *s1, *s2;
67
        register size_t n;
68
{
69
    register unsigned char u1, u2;
70
 
71
    for (; n != 0; --n) {
72
        u1 = (unsigned char) *s1++;
73
        u2 = (unsigned char) *s2++;
74
        if (charmap[u1] != charmap[u2]) {
75
            return charmap[u1] - charmap[u2];
76
        }
77
        if (u1 == '\0') {
78
            return 0;
79
        }
80
    }
81
    return 0;
82
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.