Function print_it

src/stat.c:1129–1254

Print the information specified by the format string, FORMAT, calling PRINT_FUNC for each %-directive encountered. Return zero upon success, nonzero upon failure. */

   calling PRINT_FUNC for each %-directive encountered.
   Return zero upon success, nonzero upon failure.  */
NODISCARD
static bool
print_it (char const *format, int fd, char const *filename,
          bool (*print_func) (char *, size_t, char, char,
                              int, char const *, void const *),
          void const *data)
{
  bool fail = false;

  /* Add 2 to accommodate our conversion of the stat '%s' format string
     to the longer printf '%llu' one.  */
  enum
    {
      MAX_ADDITIONAL_BYTES =
        (MAX (sizeof "jd",
              MAX (sizeof "jo", MAX (sizeof "ju", sizeof "jx")))
         - 1)
    };
  size_t n_alloc = strlen (format) + MAX_ADDITIONAL_BYTES + 1;
  char *dest = xmalloc (n_alloc);
  for (char const *b = format; *b; b++)
    {
      switch (*b)
        {
        case '%':
          {
            size_t len = format_code_offset (b);
            char fmt_char = *(b + len);
            char mod_char = 0;
            memcpy (dest, b, len);
            b += len;

            switch (fmt_char)
              {
              case '\0':
                --b;
                FALLTHROUGH;
              case '%':
                if (1 < len)
                  {
                    dest[len] = fmt_char;
                    dest[len + 1] = '\0';
                    error (EXIT_FAILURE, 0, _("%s: invalid directive"),
                           quote (dest));
                  }
                putchar ('%');
                break;
              case 'H':
              case 'L':
                mod_char = fmt_char;
                fmt_char = *(b + 1);
                if (print_func == print_stat
                    && (fmt_char == 'd' || fmt_char == 'r'))
                  {
                    b++;
                  }
                else
                  {