Kill documentation for harvest_{interrupt,ethernet,p_to_p} which were
[dragonfly/vkernel-mp.git] / lib / libstand / strcasecmp.c
blob6c0f875c260d1825f67dab759006c8e4838cc98b
1 /*
2 * Copyright (c) 1987, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
33 * @(#)strcasecmp.c 8.1 (Berkeley) 6/4/93
34 * $DragonFly: src/lib/libstand/strcasecmp.c,v 1.4 2005/12/11 03:27:26 swildner Exp $
37 #include <sys/cdefs.h>
38 #include <string.h>
39 #include "stand.h"
41 int
42 strcasecmp(const char *s1, const char *s2)
44 const u_char
45 *us1 = (const u_char *)s1,
46 *us2 = (const u_char *)s2;
48 while (tolower(*us1) == tolower(*us2++))
49 if (*us1++ == '\0')
50 return (0);
51 return (tolower(*us1) - tolower(*--us2));
54 int
55 strncasecmp(const char *s1, const char *s2, size_t n)
57 if (n != 0) {
58 const u_char
59 *us1 = (const u_char *)s1,
60 *us2 = (const u_char *)s2;
62 do {
63 if (tolower(*us1) != tolower(*us2++))
64 return (tolower(*us1) - tolower(*--us2));
65 if (*us1++ == '\0')
66 break;
67 } while (--n != 0);
69 return (0);