mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-27 10:50:35 +00:00
39 lines
902 B
C++
39 lines
902 B
C++
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/* show the size and alignment requirements of various types */
|
|
|
|
#include "nsMemory.h"
|
|
#include <stdio.h>
|
|
|
|
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(void*);
|
|
SHOW_TYPE(double);
|
|
SHOW_TYPE(short[7]);
|
|
SHOW_TYPE(S);
|
|
SHOW_TYPE(double S::*);
|
|
|
|
return 0;
|
|
}
|