diff options
Diffstat (limited to 'arch/xtensa/lib/strcasecmp.c')
-rw-r--r-- | arch/xtensa/lib/strcasecmp.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/xtensa/lib/strcasecmp.c b/arch/xtensa/lib/strcasecmp.c new file mode 100644 index 000000000000..165b2d6effa5 --- /dev/null +++ b/arch/xtensa/lib/strcasecmp.c | |||
@@ -0,0 +1,32 @@ | |||
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 | |||
18 | int 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 | } | ||