Function has_uuid_suffix

src/df.c:917–924

Return true if S ends in a string that may be a 36-byte UUID, i.e., of the form HHHHHHHH-HHHH-HHHH-HHHH-HHHHHHHHHHHH, where each H is an upper or lower case hexadecimal digit. */

   i.e., of the form HHHHHHHH-HHHH-HHHH-HHHH-HHHHHHHHHHHH, where
   each H is an upper or lower case hexadecimal digit.  */
ATTRIBUTE_PURE
static bool
has_uuid_suffix (char const *s)
{
  size_t len = strlen (s);
  return (36 < len
          && strspn (s + len - 36, "-0123456789abcdefABCDEF") == 36);
}

/* Obtain the block values BV and inode values IV
   from the file system usage FSU.  */