wsutil/array.h

   1 /** @file
   2  * Utility functions/macros for handling arrays, C and/or glib.
   3  *
   4  * Wireshark - Network traffic analyzer
   5  * By Gerald Combs <gerald@wireshark.org>
   6  * Copyright 1998 Gerald Combs
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #ifndef __WSUTIL_ARRAY_H__
  12 #define __WSUTIL_ARRAY_H__
  13
  14 #include <stdlib.h>
  15 #include <glib.h>
  16
  17 /** Useful when you have an array whose size is known at compile-time. */
  18 #define array_length(x) (sizeof (x) / sizeof (x)[0])
  19
  20 /** glib doesn't have g_ptr_array_len, of all things! */
  21 #ifndef g_ptr_array_len
  22 #define g_ptr_array_len(a)      ((a) ? (a)->len : 0)
  23 #endif
  24
  25 #endif /* __WSUTIL_ARRAY_H__ */