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40 lines
926 B
C++
40 lines
926 B
C++
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* show the size and alignment requirements of various types */
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#include "nsMemory.h"
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#include <stdio.h>
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struct S {
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double d;
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char c;
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short s;
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};
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int main()
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{
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static const char str[] =
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"Type %s has size %u and alignment requirement %u\n";
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#define SHOW_TYPE(t_) \
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printf(str, #t_, unsigned(sizeof(t_)), unsigned(NS_ALIGNMENT_OF(t_)))
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SHOW_TYPE(char);
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SHOW_TYPE(unsigned short);
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SHOW_TYPE(int);
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SHOW_TYPE(long);
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SHOW_TYPE(PRUint8);
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SHOW_TYPE(PRInt16);
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SHOW_TYPE(PRUint32);
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SHOW_TYPE(PRFloat64);
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SHOW_TYPE(void*);
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SHOW_TYPE(double);
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SHOW_TYPE(short[7]);
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SHOW_TYPE(S);
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SHOW_TYPE(double S::*);
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return 0;
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}
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