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 12int 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} 27