/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is ShowAlignments.cpp. * * The Initial Developer of the Original Code is the Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2010 * the Initial Developer. All Rights Reserved. * * Contributor(s): * L. David Baron , Mozilla Corporation (original author) * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ /* show the size and alignment requirements of various types */ #include "nsMemory.h" #include struct S { double d; char c; short s; }; int main() { static const char str[] = "Type %s has size %u and alignment requirement %u\n"; #define SHOW_TYPE(t_) \ printf(str, #t_, unsigned(sizeof(t_)), unsigned(NS_ALIGNMENT_OF(t_))) SHOW_TYPE(char); SHOW_TYPE(unsigned short); SHOW_TYPE(int); SHOW_TYPE(long); SHOW_TYPE(PRUint8); SHOW_TYPE(PRInt16); SHOW_TYPE(PRUint32); SHOW_TYPE(PRFloat64); SHOW_TYPE(void*); SHOW_TYPE(double); SHOW_TYPE(short[7]); SHOW_TYPE(S); SHOW_TYPE(double S::*); return 0; }