firmware/common/strcasecmp.c

   1
   2 #include <string.h>
   3 #include <ctype.h>
   4
   5 #ifndef strcasecmp
   6 int strcasecmp(const char *s1, const char *s2)
   7 {
   8     while (*s1 != '\0' && tolower(*s1) == tolower(*s2)) {
   9         s1++;
  10         s2++;
  11     }
  12
  13     return tolower(*(unsigned char *) s1) - tolower(*(unsigned char *) s2);
  14 }
  15 #endif
  16
  17 #ifndef strncasecmp
  18 int strncasecmp(const char *s1, const char *s2, size_t n)
  19 {
  20     int d = 0;
  21
  22     for(; n != 0; n--)
  23     {
  24         int c1 = tolower(*s1++);
  25         int c2 = tolower(*s2++);
  26         if((d = c1 - c2) != 0 || c2 == '\0')
  27             break;
  28     }
  29
  30     return d;
  31 }
  32 #endif