release/src/router/lzo/examples/portab.h

   1 /* portab.h -- portability layer
   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 #include "lzo/lzoconf.h"
  30
  31 #if (LZO_CC_MSC && (_MSC_VER >= 1000 && _MSC_VER < 1200))
  32    /* avoid '-W4' warnings in system header files */
  33 #  pragma warning(disable: 4201 4214 4514)
  34 #endif
  35 #if (LZO_CC_MSC && (_MSC_VER >= 1300))
  36    /* avoid '-Wall' warnings in system header files */
  37 #  pragma warning(disable: 4163 4255 4820)
  38    /* avoid warnings about inlining */
  39 #  pragma warning(disable: 4710 4711)
  40 #endif
  41 /* disable silly warnings about using "deprecated" POSIX functions like "fopen" */
  42 #if (LZO_CC_INTELC_MSC && (__INTEL_COMPILER >= 1100))
  43 #  pragma warning(disable: 1786)
  44 #elif (LZO_CC_INTELC_MSC && (__INTEL_COMPILER >= 1000))
  45 #  pragma warning(disable: 1478)
  46 #elif (LZO_CC_MSC && (_MSC_VER >= 1400))
  47 #  pragma warning(disable: 4996)
  48 #endif
  49 #if (LZO_CC_PELLESC && (__POCC__ >= 290))
  50 #  pragma warn(disable:2002)
  51 #endif
  52
  53
  54 /*************************************************************************
  55 //
  56 **************************************************************************/
  57
  58 #if defined(LZO_WANT_ACCLIB_GETOPT) || !(defined(LZO_LIBC_ISOC90) || defined(LZO_LIBC_ISOC99))
  59
  60 #include "examples/portab_a.h"
  61
  62 #else
  63
  64 /* On any halfway modern machine we can use the following pure ANSI-C code. */
  65
  66 #include <stddef.h>
  67 #include <stdlib.h>
  68 #include <stdio.h>
  69 #include <string.h>
  70 #include <ctype.h>
  71 #include <time.h>
  72 #if defined(CLK_TCK) && !defined(CLOCKS_PER_SEC)
  73 #  define CLOCKS_PER_SEC CLK_TCK
  74 #endif
  75
  76 #if defined(WANT_LZO_MALLOC)
  77 #  define lzo_malloc(a)         (malloc(a))
  78 #  define lzo_free(a)           (free(a))
  79 #endif
  80 #if defined(WANT_LZO_FREAD)
  81 #  define lzo_fread(f,b,s)      (fread(b,1,s,f))
  82 #  define lzo_fwrite(f,b,s)     (fwrite(b,1,s,f))
  83 #endif
  84 #if defined(WANT_LZO_PCLOCK)
  85 #  define lzo_pclock_handle_t   int
  86 #  define lzo_pclock_t          double
  87 #  define lzo_pclock_open_default(a) ((void)(a))
  88 #  define lzo_pclock_close(a)   ((void)(a))
  89 #  define lzo_pclock_read(a,b)  *(b) = (clock() / (double)(CLOCKS_PER_SEC))
  90 #  define lzo_pclock_get_elapsed(a,b,c) (*(c) - *(b))
  91 #  define lzo_pclock_flush_cpu_cache(a,b)  ((void)(a))
  92 #endif
  93 #if defined(WANT_LZO_WILDARGV)
  94 #  define lzo_wildargv(a,b)     ((void)0)
  95 #endif
  96
  97 #endif
  98
  99
 100 /*************************************************************************
 101 // misc
 102 **************************************************************************/
 103
 104 /* turn on assertions */
 105 #undef NDEBUG
 106 #include <assert.h>
 107
 108 /* just in case */
 109 #undef xmalloc
 110 #undef xfree
 111 #undef xread
 112 #undef xwrite
 113 #undef xputc
 114 #undef xgetc
 115 #undef xread32
 116 #undef xwrite32
 117
 118
 119 #if defined(WANT_XMALLOC)
 120 static lzo_voidp xmalloc(lzo_uint len)
 121 {
 122     lzo_voidp p;
 123     lzo_uint align = (lzo_uint) sizeof(lzo_align_t);
 124
 125     p = (lzo_voidp) lzo_malloc(len > 0 ? len : 1);
 126     if (p == NULL)
 127     {
 128         printf("%s: out of memory\n", progname);
 129         exit(1);
 130     }
 131     if (len >= align && __lzo_align_gap(p, align) != 0)
 132     {
 133         printf("%s: C library problem: malloc() returned misaligned pointer!\n", progname);
 134         exit(1);
 135     }
 136     return p;
 137 }
 138 #endif
 139
 140
 141 /* vim:set ts=4 sw=4 et: */