firmware/common/strcasecmp.c

   1
   2 #include <string.h>
   3 #include <ctype.h>
   4
   5 int strcasecmp(const char *s1, const char *s2)
   6 {
   7     while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) {
   8         s1++;
   9         s2++;
  10     }
  11
  12     return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
  13 }
  14
  15 int strncasecmp(const char *s1, const char *s2, size_t n)
  16 {
  17     if(!n)
  18       return 0;
  19
  20     while (n-- != 0 && tolower(*s1) == tolower(*s2)) {
  21         if(n == 0 || *s1 == '\0')
  22           break;
  23         s1++;
  24         s2++;
  25     }
  26
  27     return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
  28 }