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Diffstat (limited to 'app/lzo/minilzo/testmini.c')
| -rw-r--r-- | app/lzo/minilzo/testmini.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/app/lzo/minilzo/testmini.c b/app/lzo/minilzo/testmini.c deleted file mode 100644 index 581943ff..00000000 --- a/app/lzo/minilzo/testmini.c +++ /dev/null @@ -1,150 +0,0 @@ -/* testmini.c -- very simple test program for the miniLZO library - - This file is part of the LZO real-time data compression library. - - Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer - All Rights Reserved. - - The LZO library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2 of - the License, or (at your option) any later version. - - The LZO library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with the LZO library; see the file COPYING. - If not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - - Markus F.X.J. Oberhumer - <markus@oberhumer.com> - http://www.oberhumer.com/opensource/lzo/ - */ - - -#include <stdio.h> -#include <stdlib.h> - - -/************************************************************************* -// This program shows the basic usage of the LZO library. -// We will compress a block of data and decompress again. -// -// For more information, documentation, example programs and other support -// files (like Makefiles and build scripts) please download the full LZO -// package from -// http://www.oberhumer.com/opensource/lzo/ -**************************************************************************/ - -/* First let's include "minizo.h". */ - -#include "minilzo.h" - - -/* We want to compress the data block at 'in' with length 'IN_LEN' to - * the block at 'out'. Because the input block may be incompressible, - * we must provide a little more output space in case that compression - * is not possible. - */ - -#define IN_LEN (128*1024ul) -#define OUT_LEN (IN_LEN + IN_LEN / 16 + 64 + 3) - -static unsigned char __LZO_MMODEL in [ IN_LEN ]; -static unsigned char __LZO_MMODEL out [ OUT_LEN ]; - - -/* Work-memory needed for compression. Allocate memory in units - * of 'lzo_align_t' (instead of 'char') to make sure it is properly aligned. - */ - -#define HEAP_ALLOC(var,size) \ - lzo_align_t __LZO_MMODEL var [ ((size) + (sizeof(lzo_align_t) - 1)) / sizeof(lzo_align_t) ] - -static HEAP_ALLOC(wrkmem, LZO1X_1_MEM_COMPRESS); - - -/************************************************************************* -// -**************************************************************************/ - -int main(int argc, char *argv[]) -{ - int r; - lzo_uint in_len; - lzo_uint out_len; - lzo_uint new_len; - - if (argc < 0 && argv == NULL) /* avoid warning about unused args */ - return 0; - - printf("\nLZO real-time data compression library (v%s, %s).\n", - lzo_version_string(), lzo_version_date()); - printf("Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n"); - - -/* - * Step 1: initialize the LZO library - */ - if (lzo_init() != LZO_E_OK) - { - printf("internal error - lzo_init() failed !!!\n"); - printf("(this usually indicates a compiler bug - try recompiling\nwithout optimizations, and enable '-DLZO_DEBUG' for diagnostics)\n"); - return 3; - } - -/* - * Step 2: prepare the input block that will get compressed. - * We just fill it with zeros in this example program, - * but you would use your real-world data here. - */ - in_len = IN_LEN; - lzo_memset(in,0,in_len); - -/* - * Step 3: compress from 'in' to 'out' with LZO1X-1 - */ - r = lzo1x_1_compress(in,in_len,out,&out_len,wrkmem); - if (r == LZO_E_OK) - printf("compressed %lu bytes into %lu bytes\n", - (unsigned long) in_len, (unsigned long) out_len); - else - { - /* this should NEVER happen */ - printf("internal error - compression failed: %d\n", r); - return 2; - } - /* check for an incompressible block */ - if (out_len >= in_len) - { - printf("This block contains incompressible data.\n"); - return 0; - } - -/* - * Step 4: decompress again, now going from 'out' to 'in' - */ - new_len = in_len; - r = lzo1x_decompress(out,out_len,in,&new_len,NULL); - if (r == LZO_E_OK && new_len == in_len) - printf("decompressed %lu bytes back into %lu bytes\n", - (unsigned long) out_len, (unsigned long) in_len); - else - { - /* this should NEVER happen */ - printf("internal error - decompression failed: %d\n", r); - return 1; - } - - printf("\nminiLZO simple compression test passed.\n"); - return 0; -} - -/* -vi:ts=4:et -*/ - |