1ca987d46SWarner Losh /*
2ca987d46SWarner Losh * Copyright (c) 1987, 1993
3ca987d46SWarner Losh * The Regents of the University of California. All rights reserved.
4ca987d46SWarner Losh *
5ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without
6ca987d46SWarner Losh * modification, are permitted provided that the following conditions
7ca987d46SWarner Losh * are met:
8ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright
9ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer.
10ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright
11ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the
12ca987d46SWarner Losh * documentation and/or other materials provided with the distribution.
13ca987d46SWarner Losh * 3. Neither the name of the University nor the names of its contributors
14ca987d46SWarner Losh * may be used to endorse or promote products derived from this software
15ca987d46SWarner Losh * without specific prior written permission.
16ca987d46SWarner Losh *
17ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27ca987d46SWarner Losh * SUCH DAMAGE.
28ca987d46SWarner Losh */
29ca987d46SWarner Losh
30ca987d46SWarner Losh #include "stand.h"
31*3e15b01dSWarner Losh #include <string.h>
32ca987d46SWarner Losh
33ca987d46SWarner Losh int
strcasecmp(const char * s1,const char * s2)341f629966SAlfonso strcasecmp(const char *s1, const char *s2)
35ca987d46SWarner Losh {
36ca987d46SWarner Losh const u_char
37ca987d46SWarner Losh *us1 = (const u_char *)s1,
38ca987d46SWarner Losh *us2 = (const u_char *)s2;
39ca987d46SWarner Losh
40ca987d46SWarner Losh while (tolower(*us1) == tolower(*us2++))
41ca987d46SWarner Losh if (*us1++ == '\0')
42ca987d46SWarner Losh return (0);
43ca987d46SWarner Losh return (tolower(*us1) - tolower(*--us2));
44ca987d46SWarner Losh }
45ca987d46SWarner Losh
46ca987d46SWarner Losh int
strncasecmp(const char * s1,const char * s2,size_t n)471f629966SAlfonso strncasecmp(const char *s1, const char *s2, size_t n)
48ca987d46SWarner Losh {
49ca987d46SWarner Losh if (n != 0) {
50ca987d46SWarner Losh const u_char
51ca987d46SWarner Losh *us1 = (const u_char *)s1,
52ca987d46SWarner Losh *us2 = (const u_char *)s2;
53ca987d46SWarner Losh
54ca987d46SWarner Losh do {
55ca987d46SWarner Losh if (tolower(*us1) != tolower(*us2++))
56ca987d46SWarner Losh return (tolower(*us1) - tolower(*--us2));
57ca987d46SWarner Losh if (*us1++ == '\0')
58ca987d46SWarner Losh break;
59ca987d46SWarner Losh } while (--n != 0);
60ca987d46SWarner Losh }
61ca987d46SWarner Losh return (0);
62ca987d46SWarner Losh }
63