Function strncasecmp

mapstring.c:298–328

#ifdef NEED_STRNCASECMP
int strncasecmp(const char *s1, const char *s2, int len)
{
  register const char *cp1, *cp2;
  int cmp = 0;

  cp1 = s1;
  cp2 = s2;
  if ((!*cp1) || (!*cp2 )) {
    return (0);
  }
  while(*cp1 && *cp2 && len) 
  {
      if((cmp = (toupper(*cp1) - toupper(*cp2))) != 0)
        return(cmp);
      cp1++;
      cp2++;
      len--;
  }
  
  if(len == 0) {
    return(0);
  }
  if(*cp1 || *cp2)
  {
      if (*cp1)
        return(1);
      else
        return (-1);
  }
  return(0);
}
#endif

#ifdef NEED_STRCASECMP