release/src/router/lzo/lzotest/wrapmisc.h

   1 /* wrapmisc.h -- misc wrapper functions for the test driver
   2
   3    This file is part of the LZO real-time data compression library.
   4
   5    Copyright (C) 1996-2015 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 /*************************************************************************
  30 // compression levels of zlib
  31 **************************************************************************/
  32
  33 #if defined(ALG_ZLIB)
  34
  35 #define ZLIB_MEM_COMPRESS       0
  36 #define ZLIB_MEM_DECOMPRESS     0
  37
  38 static
  39 int zlib_compress       ( const m_bytep src, m_uint  src_len,
  40                                 m_bytep dst, m_uintp dst_len,
  41                                 m_voidp wrkmem,
  42                                 int method, int compression_level )
  43 {
  44     int err;
  45     uLong destLen;
  46
  47     assert(method == Z_DEFLATED);
  48     destLen = (uLong) *dst_len;
  49     err = compress2(dst, &destLen, src, (uLong) src_len, compression_level);
  50     *dst_len = destLen;
  51     LZO_UNUSED(method);
  52     LZO_UNUSED(wrkmem);
  53     return err;
  54 }
  55
  56
  57 M_PRIVATE(int)
  58 zlib_decompress         ( const m_bytep src, m_uint  src_len,
  59                                 m_bytep dst, m_uintp dst_len,
  60                                 m_voidp wrkmem )
  61 {
  62     int err;
  63     uLong destLen;
  64
  65     destLen = (uLong) *dst_len;
  66     err = uncompress(dst, &destLen, src, (uLong) src_len);
  67     *dst_len = destLen;
  68     LZO_UNUSED(wrkmem);
  69     return err;
  70 }
  71
  72
  73 M_PRIVATE(int)
  74 zlib_8_1_compress       ( const m_bytep src, m_uint  src_len,
  75                                 m_bytep dst, m_uintp dst_len,
  76                                 m_voidp wrkmem )
  77 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,1); }
  78
  79 M_PRIVATE(int)
  80 zlib_8_2_compress       ( const m_bytep src, m_uint  src_len,
  81                                 m_bytep dst, m_uintp dst_len,
  82                                 m_voidp wrkmem )
  83 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,2); }
  84
  85 M_PRIVATE(int)
  86 zlib_8_3_compress       ( const m_bytep src, m_uint  src_len,
  87                                 m_bytep dst, m_uintp dst_len,
  88                                 m_voidp wrkmem )
  89 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,3); }
  90
  91 M_PRIVATE(int)
  92 zlib_8_4_compress       ( const m_bytep src, m_uint  src_len,
  93                                 m_bytep dst, m_uintp dst_len,
  94                                 m_voidp wrkmem )
  95 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,4); }
  96
  97 M_PRIVATE(int)
  98 zlib_8_5_compress       ( const m_bytep src, m_uint  src_len,
  99                                 m_bytep dst, m_uintp dst_len,
 100                                 m_voidp wrkmem )
 101 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,5); }
 102
 103 M_PRIVATE(int)
 104 zlib_8_6_compress       ( const m_bytep src, m_uint  src_len,
 105                                 m_bytep dst, m_uintp dst_len,
 106                                 m_voidp wrkmem )
 107 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,6); }
 108
 109 M_PRIVATE(int)
 110 zlib_8_7_compress       ( const m_bytep src, m_uint  src_len,
 111                                 m_bytep dst, m_uintp dst_len,
 112                                 m_voidp wrkmem )
 113 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,7); }
 114
 115 M_PRIVATE(int)
 116 zlib_8_8_compress       ( const m_bytep src, m_uint  src_len,
 117                                 m_bytep dst, m_uintp dst_len,
 118                                 m_voidp wrkmem )
 119 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,8); }
 120
 121 M_PRIVATE(int)
 122 zlib_8_9_compress       ( const m_bytep src, m_uint  src_len,
 123                                 m_bytep dst, m_uintp dst_len,
 124                                 m_voidp wrkmem )
 125 { return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,9); }
 126
 127
 128 #endif /* ALG_ZLIB */
 129
 130
 131 /*************************************************************************
 132 // compression levels of bzip2
 133 **************************************************************************/
 134
 135 #if defined(ALG_BZIP2)
 136
 137 #define BZIP2_MEM_COMPRESS      0
 138 #define BZIP2_MEM_DECOMPRESS    0
 139
 140 static
 141 int bzip2_compress      ( const m_bytep src, m_uint  src_len,
 142                                 m_bytep dst, m_uintp dst_len,
 143                                 m_voidp wrkmem,
 144                                 int compression_level )
 145 {
 146     int err;
 147     unsigned destLen;
 148     union { const m_bytep csrc; char *src; } u;
 149
 150     u.csrc = src; /* UNCONST */
 151     destLen = *dst_len;
 152     err = BZ2_bzBuffToBuffCompress((char*)dst, &destLen, u.src, src_len, compression_level, 0, 0);
 153     *dst_len = destLen;
 154     LZO_UNUSED(wrkmem);
 155     return err;
 156 }
 157
 158
 159 M_PRIVATE(int)
 160 bzip2_decompress        ( const m_bytep src, m_uint  src_len,
 161                                 m_bytep dst, m_uintp dst_len,
 162                                 m_voidp wrkmem )
 163 {
 164     int err;
 165     unsigned destLen;
 166     union { const m_bytep csrc; char *src; } u;
 167
 168     u.csrc = src; /* UNCONST */
 169     destLen = *dst_len;
 170     err = BZ2_bzBuffToBuffDecompress((char*)dst, &destLen, u.src, src_len, 0, 0);
 171     *dst_len = destLen;
 172     LZO_UNUSED(wrkmem);
 173     return err;
 174 }
 175
 176
 177 M_PRIVATE(int)
 178 bzip2_1_compress        ( const m_bytep src, m_uint  src_len,
 179                                 m_bytep dst, m_uintp dst_len,
 180                                 m_voidp wrkmem )
 181 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,1); }
 182
 183 M_PRIVATE(int)
 184 bzip2_2_compress        ( const m_bytep src, m_uint  src_len,
 185                                 m_bytep dst, m_uintp dst_len,
 186                                 m_voidp wrkmem )
 187 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,2); }
 188
 189 M_PRIVATE(int)
 190 bzip2_3_compress        ( const m_bytep src, m_uint  src_len,
 191                                 m_bytep dst, m_uintp dst_len,
 192                                 m_voidp wrkmem )
 193 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,3); }
 194
 195 M_PRIVATE(int)
 196 bzip2_4_compress        ( const m_bytep src, m_uint  src_len,
 197                                 m_bytep dst, m_uintp dst_len,
 198                                 m_voidp wrkmem )
 199 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,4); }
 200
 201 M_PRIVATE(int)
 202 bzip2_5_compress        ( const m_bytep src, m_uint  src_len,
 203                                 m_bytep dst, m_uintp dst_len,
 204                                 m_voidp wrkmem )
 205 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,5); }
 206
 207 M_PRIVATE(int)
 208 bzip2_6_compress        ( const m_bytep src, m_uint  src_len,
 209                                 m_bytep dst, m_uintp dst_len,
 210                                 m_voidp wrkmem )
 211 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,6); }
 212
 213 M_PRIVATE(int)
 214 bzip2_7_compress        ( const m_bytep src, m_uint  src_len,
 215                                 m_bytep dst, m_uintp dst_len,
 216                                 m_voidp wrkmem )
 217 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,7); }
 218
 219 M_PRIVATE(int)
 220 bzip2_8_compress        ( const m_bytep src, m_uint  src_len,
 221                                 m_bytep dst, m_uintp dst_len,
 222                                 m_voidp wrkmem )
 223 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,8); }
 224
 225 M_PRIVATE(int)
 226 bzip2_9_compress        ( const m_bytep src, m_uint  src_len,
 227                                 m_bytep dst, m_uintp dst_len,
 228                                 m_voidp wrkmem )
 229 { return bzip2_compress(src,src_len,dst,dst_len,wrkmem,9); }
 230
 231
 232 #endif /* ALG_BZIP2 */
 233
 234
 235 /*************************************************************************
 236 // other wrappers (for benchmarking the checksum algorithms)
 237 **************************************************************************/
 238
 239 #if defined(ALG_ZLIB)
 240
 241 M_PRIVATE(int)
 242 zlib_adler32_x_compress ( const m_bytep src, m_uint  src_len,
 243                                 m_bytep dst, m_uintp dst_len,
 244                                 m_voidp wrkmem )
 245 {
 246     uLong adler;
 247     adler = adler32(1L, src, (uInt) src_len);
 248     *dst_len = src_len;
 249     LZO_UNUSED(adler);
 250     LZO_UNUSED(dst);
 251     LZO_UNUSED(wrkmem);
 252     return 0;
 253 }
 254
 255
 256 M_PRIVATE(int)
 257 zlib_crc32_x_compress   ( const m_bytep src, m_uint  src_len,
 258                                 m_bytep dst, m_uintp dst_len,
 259                                 m_voidp wrkmem )
 260 {
 261     uLong crc;
 262     crc = crc32(0L, src, (uInt) src_len);
 263     *dst_len = src_len;
 264     LZO_UNUSED(crc);
 265     LZO_UNUSED(dst);
 266     LZO_UNUSED(wrkmem);
 267     return 0;
 268 }
 269
 270 #endif /* ALG_ZLIB */
 271
 272
 273 /* vim:set ts=4 sw=4 et: */