Contiki-NG
strncasecmp.c
1 /*
2  * Copyright (c) 2002, Adam Dunkels.
3  * All rights reserved.
4  *
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
11  * copyright notice, this list of conditions and the following
12  * disclaimer in the documentation and/or other materials provided
13  * with the distribution.
14  * 3. The name of the author may not be used to endorse or promote
15  * products derived from this software without specific prior
16  * written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
19  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
24  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * This file is part of the Contiki desktop environment for the C64.
31  *
32  *
33  */
34 
35 /* This file contains a naive and non-standards compliant
36  implementation of strncasecmp() for systems that don't implement
37  the function. It works with Contiki, but should most probably not
38  be used anywhere else.
39 
40  It copies the n first bytes two strings into two buffers and
41  compares them with strcasecmp.
42 */
43 
44 #define MAX_STRLEN 40
45 
46 
47 int strncmp(const char *s1, const char *s2, int len);
48 
49 /*static char buf1[MAX_STRLEN],
50  buf2[MAX_STRLEN];*/
51 /*-----------------------------------------------------------------------------------*/
52 unsigned char
53 strncasecmp(const char *s1, const char *s2, unsigned char n)
54 {
55  unsigned char len;
56 
57  return strncmp(s1, s2, n);
58 
59  /* len = MAX_STRLEN;
60  if(n < MAX_STRLEN) {
61  len = n;
62  }
63  strncpy(buf1, s1, len);
64  buf1[MAX_STRLEN - 1] = 0;
65  strncpy(buf2, s2, len);
66  buf2[MAX_STRLEN - 1] = 0;
67  return strcasecmp(buf1, buf2);*/
68 }
69 /*-----------------------------------------------------------------------------------*/