| 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 | } |