Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * linux/arch/xtensa/lib/strcasecmp.c
3 *
4 * This file is subject to the terms and conditions of the GNU General
5 * Public License. See the file "COPYING" in the main directory of
6 * this archive for more details.
7 *
8 * Copyright (C) 2002 Tensilica Inc.
9 */
10
11#include <linux/string.h>
12
13
14/* We handle nothing here except the C locale. Since this is used in
15 only one place, on strings known to contain only 7 bit ASCII, this
16 is ok. */
17
18int strcasecmp(const char *a, const char *b)
19{
20 int ca, cb;
21
22 do {
23 ca = *a++ & 0xff;
24 cb = *b++ & 0xff;
25 if (ca >= 'A' && ca <= 'Z')
26 ca += 'a' - 'A';
27 if (cb >= 'A' && cb <= 'Z')
28 cb += 'a' - 'A';
29 } while (ca == cb && ca != '\0');
30
31 return ca - cb;
32}