1/* sizes.c -- print sizes of various types
2
3   This file is part of the LZO real-time data compression library.
4
5   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
6   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
7   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
8   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
9   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
10   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
11   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
12   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
13   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
14   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
15   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
16   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
17   Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
18   All Rights Reserved.
19
20   The LZO library is free software; you can redistribute it and/or
21   modify it under the terms of the GNU General Public License as
22   published by the Free Software Foundation; either version 2 of
23   the License, or (at your option) any later version.
24
25   The LZO library is distributed in the hope that it will be useful,
26   but WITHOUT ANY WARRANTY; without even the implied warranty of
27   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
28   GNU General Public License for more details.
29
30   You should have received a copy of the GNU General Public License
31   along with the LZO library; see the file COPYING.
32   If not, write to the Free Software Foundation, Inc.,
33   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
34
35   Markus F.X.J. Oberhumer
36   <markus@oberhumer.com>
37   http://www.oberhumer.com/opensource/lzo/
38 */
39
40
41#include "lzo/lzoconf.h"
42#include <stdio.h>
43
44
45union _lzo_align1_t
46{
47    char    a_char;
48};
49
50struct _lzo_align2_t
51{
52    char    a_char;
53};
54
55struct _lzo_align3_t
56{
57    char    a_char;
58    long    a_long;
59};
60
61struct _lzo_align4_t
62{
63    char    a_char;
64    char *  a_char_p;
65};
66
67struct _lzo_align5_t
68{
69    char    a_char1;
70    long    a_long;
71    char    a_char2;
72    char *  a_char_p;
73};
74
75union _lzo_align6_t
76{
77    char    a_char;
78    long    a_long;
79    char *  a_char_p;
80    lzo_bytep   a_lzobytep;
81};
82
83
84#define print_size(type) \
85    sprintf(s,"sizeof(%s)",#type); \
86    printf("%-30s %2d\n", s, (int)sizeof(type));
87
88#define print_ssize(type,m) \
89    sprintf(s,"sizeof(%s)",#type); \
90    printf("%-30s %2d %20ld\n", s, (int)sizeof(type), (long)(m));
91
92#define print_usize(type,m) \
93    sprintf(s,"sizeof(%s)",#type); \
94    printf("%-30s %2d %20lu\n", s, (int)sizeof(type), (unsigned long)(m));
95
96
97int main(int argc, char *argv[])
98{
99    char s[80];
100
101    print_ssize(char,CHAR_MAX);
102    print_usize(unsigned char,UCHAR_MAX);
103    print_ssize(short,SHRT_MAX);
104    print_usize(unsigned short,USHRT_MAX);
105    print_ssize(int,INT_MAX);
106    print_usize(unsigned int,UINT_MAX);
107    print_ssize(long,LONG_MAX);
108    print_usize(unsigned long,ULONG_MAX);
109    printf("\n");
110    print_size(char *);
111    print_size(void (*)(void));
112    printf("\n");
113    print_ssize(lzo_int,LZO_INT_MAX);
114    print_usize(lzo_uint,LZO_UINT_MAX);
115    print_usize(lzo_uint32,LZO_UINT32_MAX);
116    print_size(lzo_bytep);
117    printf("\n");
118    print_size(union _lzo_align1_t);
119    print_size(struct _lzo_align2_t);
120    print_size(struct _lzo_align3_t);
121    print_size(struct _lzo_align4_t);
122    print_size(struct _lzo_align5_t);
123    print_size(union _lzo_align6_t);
124
125    if (argc < 0 && argv == NULL)   /* avoid warning about unused args */
126        return 0;
127    return 0;
128}
129
130/*
131vi:ts=4:et
132*/
133
134