151408b1 |
1 | |
2 | #include "putty.h" |
3 | |
4 | #define strcasecmp stricmp |
5 | #define strncasecmp strnicmp |
6 | #define _DIAGASSERT(e) /* nothing */ |
7 | |
8 | /* |
9 | * Copyright (c) 1987, 1993 |
10 | * The Regents of the University of California. All rights reserved. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * 3. Neither the name of the University nor the names of its contributors |
21 | * may be used to endorse or promote products derived from this software |
22 | * without specific prior written permission. |
23 | * |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
34 | * SUCH DAMAGE. |
35 | * |
36 | * From NetBSD: strcasecmp.c,v 1.12 2000/01/22 22:19:20 mycroft Exp |
37 | */ |
38 | |
39 | #include <ctype.h> |
40 | |
41 | typedef unsigned char u_char; |
42 | |
43 | int |
44 | strcasecmp(s1, s2) |
45 | const char *s1, *s2; |
46 | { |
47 | const u_char *us1 = (const u_char *)s1, |
48 | *us2 = (const u_char *)s2; |
49 | |
50 | _DIAGASSERT(s1 != NULL); |
51 | _DIAGASSERT(s2 != NULL); |
52 | |
53 | while (tolower(*us1) == tolower(*us2++)) |
54 | if (*us1++ == '\0') |
55 | return (0); |
56 | return (tolower(*us1) - tolower(*--us2)); |
57 | } |
58 | |
59 | int |
60 | strncasecmp(s1, s2, n) |
61 | const char *s1, *s2; |
62 | size_t n; |
63 | { |
64 | |
65 | _DIAGASSERT(s1 != NULL); |
66 | _DIAGASSERT(s2 != NULL); |
67 | if (s1 == NULL || s2 == NULL) |
68 | return (0); |
69 | |
70 | if (n != 0) { |
71 | const u_char *us1 = (const u_char *)s1, |
72 | *us2 = (const u_char *)s2; |
73 | |
74 | do { |
75 | if (tolower(*us1) != tolower(*us2++)) |
76 | return (tolower(*us1) - tolower(*--us2)); |
77 | if (*us1++ == '\0') |
78 | break; |
79 | } while (--n != 0); |
80 | } |
81 | return (0); |
82 | } |