C++ (Cpp) free_format_pieces Examples

Example #1

File: format.c Project: apportable/gdb

void
free_format_pieces_cleanup (void *ptr)
{
  void **location = ptr;

  if (location == NULL)
    return;

  if (*location != NULL)
    {
      free_format_pieces (*location);
      *location = NULL;
    }
}

Example #2

File: ax.c Project: Caleb1994/stewieos-binutils

static void
ax_printf (CORE_ADDR fn, CORE_ADDR chan, const char *format,
	   int nargs, ULONGEST *args)
{
  const char *f = format;
  struct format_piece *fpieces;
  int i, fp;
  char *current_substring;
  int nargs_wanted;

  ax_debug ("Printf of \"%s\" with %d args", format, nargs);

  fpieces = parse_format_string (&f);

  nargs_wanted = 0;
  for (fp = 0; fpieces[fp].string != NULL; fp++)
    if (fpieces[fp].argclass != literal_piece)
      ++nargs_wanted;

  if (nargs != nargs_wanted)
    error (_("Wrong number of arguments for specified format-string"));

  i = 0;
  for (fp = 0; fpieces[fp].string != NULL; fp++)
    {
      current_substring = fpieces[fp].string;
      ax_debug ("current substring is '%s', class is %d",
		current_substring, fpieces[fp].argclass);
      switch (fpieces[fp].argclass)
	{
	case string_arg:
	  {
	    gdb_byte *str;
	    CORE_ADDR tem;
	    int j;

	    tem = args[i];

	    /* This is a %s argument.  Find the length of the string.  */
	    for (j = 0;; j++)
	      {
		gdb_byte c;

		read_inferior_memory (tem + j, &c, 1);
		if (c == 0)
		  break;
	      }

	      /* Copy the string contents into a string inside GDB.  */
	      str = (gdb_byte *) alloca (j + 1);
	      if (j != 0)
		read_inferior_memory (tem, str, j);
	      str[j] = 0;

              printf (current_substring, (char *) str);
	    }
	    break;

	  case long_long_arg:
#if defined (CC_HAS_LONG_LONG) && defined (PRINTF_HAS_LONG_LONG)
	    {
	      long long val = args[i];

              printf (current_substring, val);
	      break;
	    }
#else
	    error (_("long long not supported in agent printf"));
#endif
	case int_arg:
	  {
	    int val = args[i];

	    printf (current_substring, val);
	    break;
	  }

	case long_arg:
	  {
	    long val = args[i];

	    printf (current_substring, val);
	    break;
	  }

	case literal_piece:
	  /* Print a portion of the format string that has no
	     directives.  Note that this will not include any
	     ordinary %-specs, but it might include "%%".  That is
	     why we use printf_filtered and not puts_filtered here.
	     Also, we pass a dummy argument because some platforms
	     have modified GCC to include -Wformat-security by
	     default, which will warn here if there is no
	     argument.  */
	  printf (current_substring, 0);
	  break;

	default:
	  error (_("Format directive in '%s' not supported in agent printf"),
		 current_substring);
	}

      /* Maybe advance to the next argument.  */
      if (fpieces[fp].argclass != literal_piece)
	++i;
    }

  free_format_pieces (fpieces);
  fflush (stdout);
}