Function strncasecmp

src/common.c:142–153

Case-insensitive, size-constrained, lexical comparison. * * Compares a specified maximum number of characters of two strings for * lexical equivalence in a case-insensitive manner. * * @param[in] s1 - The first string to be compared. * @param[in] s2 - The second string to be compared. * @param[in] len - The maximum number of characters to compare. * * @return Zero if at least @p len chara

 * @internal
 */
int strncasecmp(const char * s1, const char * s2, size_t len)
{
  while (*s1 && (*s1 == *s2 || tolower(*s1) == tolower(*s2)))
  {
    len--;
    if (len == 0)
      return 0;
    s1++;
    s2++;
  }
  return (int)*(const unsigned char *)s1 - (int)*(const unsigned char *)s2;
}
#endif

#ifndef HAVE_STRCASESTR