Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/alpha/lib/strcasecmp.c |
| 3 | */ |
| 4 | |
| 5 | #include <linux/string.h> |
| 6 | |
| 7 | |
| 8 | /* We handle nothing here except the C locale. Since this is used in |
| 9 | only one place, on strings known to contain only 7 bit ASCII, this |
| 10 | is ok. */ |
| 11 | |
| 12 | int strcasecmp(const char *a, const char *b) |
| 13 | { |
| 14 | int ca, cb; |
| 15 | |
| 16 | do { |
| 17 | ca = *a++ & 0xff; |
| 18 | cb = *b++ & 0xff; |
| 19 | if (ca >= 'A' && ca <= 'Z') |
| 20 | ca += 'a' - 'A'; |
| 21 | if (cb >= 'A' && cb <= 'Z') |
| 22 | cb += 'a' - 'A'; |
| 23 | } while (ca == cb && ca != '\0'); |
| 24 | |
| 25 | return ca - cb; |
| 26 | } |