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