diff options
Diffstat (limited to 'gl/strncasecmp.c')
-rw-r--r-- | gl/strncasecmp.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/gl/strncasecmp.c b/gl/strncasecmp.c deleted file mode 100644 index f59b953..0000000 --- a/gl/strncasecmp.c +++ /dev/null | |||
@@ -1,63 +0,0 @@ | |||
1 | /* strncasecmp.c -- case insensitive string comparator | ||
2 | Copyright (C) 1998-1999, 2005-2006 Free Software Foundation, Inc. | ||
3 | |||
4 | This program is free software; you can redistribute it and/or modify | ||
5 | it under the terms of the GNU General Public License as published by | ||
6 | the Free Software Foundation; either version 2, or (at your option) | ||
7 | any later version. | ||
8 | |||
9 | This program is distributed in the hope that it will be useful, | ||
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | GNU General Public License for more details. | ||
13 | |||
14 | You should have received a copy of the GNU General Public License | ||
15 | along with this program; if not, write to the Free Software Foundation, | ||
16 | Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ | ||
17 | |||
18 | #include <config.h> | ||
19 | |||
20 | /* Specification. */ | ||
21 | #include "strcase.h" | ||
22 | |||
23 | #include <ctype.h> | ||
24 | #include <limits.h> | ||
25 | |||
26 | #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) | ||
27 | |||
28 | /* Compare no more than N bytes of strings S1 and S2, | ||
29 | ignoring case, returning less than, equal to or | ||
30 | greater than zero if S1 is lexicographically less | ||
31 | than, equal to or greater than S2. */ | ||
32 | |||
33 | int | ||
34 | strncasecmp (const char *s1, const char *s2, size_t n) | ||
35 | { | ||
36 | register const unsigned char *p1 = (const unsigned char *) s1; | ||
37 | register const unsigned char *p2 = (const unsigned char *) s2; | ||
38 | unsigned char c1, c2; | ||
39 | |||
40 | if (p1 == p2 || n == 0) | ||
41 | return 0; | ||
42 | |||
43 | do | ||
44 | { | ||
45 | c1 = TOLOWER (*p1); | ||
46 | c2 = TOLOWER (*p2); | ||
47 | |||
48 | if (--n == 0 || c1 == '\0') | ||
49 | break; | ||
50 | |||
51 | ++p1; | ||
52 | ++p2; | ||
53 | } | ||
54 | while (c1 == c2); | ||
55 | |||
56 | if (UCHAR_MAX <= INT_MAX) | ||
57 | return c1 - c2; | ||
58 | else | ||
59 | /* On machines where 'char' and 'int' are types of the same size, the | ||
60 | difference of two 'unsigned char' values - including the sign bit - | ||
61 | doesn't fit in an 'int'. */ | ||
62 | return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); | ||
63 | } | ||