release/src/router/lzo/tests/sizes.c

   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) 1996-2014 Markus Franz Xaver Johannes Oberhumer
   6    All Rights Reserved.
   7
   8    The LZO library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2 of
  11    the License, or (at your option) any later version.
  12
  13    The LZO library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with the LZO library; see the file COPYING.
  20    If not, write to the Free Software Foundation, Inc.,
  21    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22
  23    Markus F.X.J. Oberhumer
  24    <markus@oberhumer.com>
  25    http://www.oberhumer.com/opensource/lzo/
  26  */
  27
  28
  29 #if (defined(_WIN32) || defined(_WIN64)) && defined(_MSC_VER)
  30 #ifndef _CRT_NONSTDC_NO_DEPRECATE
  31 #define _CRT_NONSTDC_NO_DEPRECATE 1
  32 #endif
  33 #ifndef _CRT_NONSTDC_NO_WARNINGS
  34 #define _CRT_NONSTDC_NO_WARNINGS 1
  35 #endif
  36 #ifndef _CRT_SECURE_NO_DEPRECATE
  37 #define _CRT_SECURE_NO_DEPRECATE 1
  38 #endif
  39 #ifndef _CRT_SECURE_NO_WARNINGS
  40 #define _CRT_SECURE_NO_WARNINGS 1
  41 #endif
  42 #endif
  43
  44 #include "lzo/lzoconf.h"
  45 #include <stdio.h>
  46
  47 #if (LZO_CC_MSC && (_MSC_VER >= 1300))
  48    /* disable warning C4310: cast truncates constant value */
  49 #  pragma warning(disable: 4310)
  50 #endif
  51
  52
  53 union _lzo_align1_t
  54 {
  55     char    a_char;
  56 };
  57
  58 struct _lzo_align2_t
  59 {
  60     char    a_char;
  61 };
  62
  63 struct _lzo_align3_t
  64 {
  65     char    a_char;
  66     long    a_long;
  67 };
  68
  69 struct _lzo_align4_t
  70 {
  71     char    a_char;
  72     char *  a_char_p;
  73 };
  74
  75 struct _lzo_align5_t
  76 {
  77     char    a_char1;
  78     long    a_long;
  79     char    a_char2;
  80     char *  a_char_p;
  81 };
  82
  83 union _lzo_align6_t
  84 {
  85     char    a_char;
  86     long    a_long;
  87     char *  a_char_p;
  88     lzo_bytep   a_lzobytep;
  89 };
  90
  91
  92 #define print_size(type) \
  93     sprintf(s,"sizeof(%s)",#type); \
  94     printf("%-30s %2ld\n", s, (long)sizeof(type));
  95
  96 #define print_ssize(type,m) \
  97     sprintf(s,"sizeof(%s)",#type); \
  98     printf("%-30s %2ld %20ld\n", s, (long)sizeof(type), (long)(m));
  99
 100 #define print_usize(type,m) \
 101     sprintf(s,"sizeof(%s)",#type); \
 102     printf("%-30s %2ld %20lu\n", s, (long)sizeof(type), (unsigned long)(m));
 103
 104
 105 int main(int argc, char *argv[])
 106 {
 107     char s[80];
 108
 109     print_ssize(char,CHAR_MAX);
 110     print_usize(unsigned char,UCHAR_MAX);
 111     print_ssize(short,SHRT_MAX);
 112     print_usize(unsigned short,USHRT_MAX);
 113     print_ssize(int,INT_MAX);
 114     print_usize(unsigned int,UINT_MAX);
 115     print_ssize(long,LONG_MAX);
 116     print_usize(unsigned long,ULONG_MAX);
 117     printf("\n");
 118     print_size(char *);
 119     print_size(void (*)(void));
 120     printf("\n");
 121     print_ssize(lzo_int,LZO_INT_MAX);
 122     print_usize(lzo_uint,LZO_UINT_MAX);
 123     print_size(lzo_bytep);
 124     printf("\n");
 125     print_size(union _lzo_align1_t);
 126     print_size(struct _lzo_align2_t);
 127     print_size(struct _lzo_align3_t);
 128     print_size(struct _lzo_align4_t);
 129     print_size(struct _lzo_align5_t);
 130     print_size(union _lzo_align6_t);
 131
 132     if (argc < 0 && argv == NULL)   /* avoid warning about unused args */
 133         return 0;
 134     return 0;
 135 }
 136
 137
 138 /* vim:set ts=4 sw=4 et: */