arch/alpha/lib/strcasecmp.c

   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 }