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-rw-r--r--lzo/lzotest/lzotest.c2114
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diff --git a/lzo/lzotest/lzotest.c b/lzo/lzotest/lzotest.c
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-/* lzotest.c -- very comprehensive test driver for the LZO library
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 2011 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
- Copyright (C) 1996 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 "lzo/lzoconf.h"
-
-
-/*************************************************************************
-// util
-**************************************************************************/
-
-/* portability layer */
-#define WANT_LZO_MALLOC 1
-#define WANT_LZO_FREAD 1
-#define WANT_LZO_WILDARGV 1
-#define WANT_LZO_UCLOCK 1
-#define ACC_WANT_ACCLIB_GETOPT 1
-#include "examples/portab.h"
-
-#if defined(HAVE_STRNICMP) && !defined(HAVE_STRNCASECMP)
-# define strncasecmp(a,b,c) strnicmp(a,b,c)
-# define HAVE_STRNCASECMP 1
-#endif
-
-#if 0
-# define is_digit(x) (isdigit((unsigned char)(x)))
-# define is_space(x) (isspace((unsigned char)(x)))
-#else
-# define is_digit(x) ((unsigned)(x) - '0' <= 9)
-# define is_space(x) ((x)==' ' || (x)=='\t' || (x)=='\r' || (x)=='\n')
-#endif
-
-
-/*************************************************************************
-// compression include section
-**************************************************************************/
-
-#define HAVE_LZO1_H 1
-#define HAVE_LZO1A_H 1
-#define HAVE_LZO1B_H 1
-#define HAVE_LZO1C_H 1
-#define HAVE_LZO1F_H 1
-#define HAVE_LZO1X_H 1
-#define HAVE_LZO1Y_H 1
-#define HAVE_LZO1Z_H 1
-#define HAVE_LZO2A_H 1
-
-#if defined(NO_ZLIB_H) || (SIZEOF_INT < 4)
-#undef HAVE_ZLIB_H
-#endif
-#if defined(NO_BZLIB_H) || (SIZEOF_INT != 4)
-#undef HAVE_BZLIB_H
-#endif
-
-#if 0 && defined(LZO_OS_DOS16)
-/* don't make this test program too big */
-#undef HAVE_LZO1_H
-#undef HAVE_LZO1A_H
-#undef HAVE_LZO1C_H
-#undef HAVE_LZO1Z_H
-#undef HAVE_LZO2A_H
-#undef HAVE_LZO2B_H
-#undef HAVE_ZLIB_H
-#endif
-
-
-/* LZO algorithms */
-#if defined(HAVE_LZO1_H)
-# include "lzo/lzo1.h"
-#endif
-#if defined(HAVE_LZO1A_H)
-# include "lzo/lzo1a.h"
-#endif
-#if defined(HAVE_LZO1B_H)
-# include "lzo/lzo1b.h"
-#endif
-#if defined(HAVE_LZO1C_H)
-# include "lzo/lzo1c.h"
-#endif
-#if defined(HAVE_LZO1F_H)
-# include "lzo/lzo1f.h"
-#endif
-#if defined(HAVE_LZO1X_H)
-# include "lzo/lzo1x.h"
-# if defined(__LZO_PROFESSIONAL__)
-# include "lzo/lzopro/lzo1x.h"
-# endif
-#endif
-#if defined(HAVE_LZO1Y_H)
-# include "lzo/lzo1y.h"
-# if defined(__LZO_PROFESSIONAL__)
-# include "lzo/lzopro/lzo1y.h"
-# endif
-#endif
-#if defined(HAVE_LZO1Z_H)
-# include "lzo/lzo1z.h"
-#endif
-#if defined(HAVE_LZO2A_H)
-# include "lzo/lzo2a.h"
-#endif
-#if defined(HAVE_LZO2B_H)
-# include "lzo/lzo2b.h"
-#endif
-#if defined(__LZO_PROFESSIONAL__)
-# include "lzopro/t_config.ch"
-#endif
-/* other compressors */
-#if defined(HAVE_ZLIB_H)
-# include <zlib.h>
-# define ALG_ZLIB 1
-#endif
-#if defined(HAVE_BZLIB_H)
-# include <bzlib.h>
-# define ALG_BZIP2 1
-#endif
-
-
-/*************************************************************************
-// enumerate all methods
-**************************************************************************/
-
-enum {
-/* compression algorithms */
- M_LZO1B_1 = 1,
- M_LZO1B_2, M_LZO1B_3, M_LZO1B_4, M_LZO1B_5,
- M_LZO1B_6, M_LZO1B_7, M_LZO1B_8, M_LZO1B_9,
-
- M_LZO1C_1 = 11,
- M_LZO1C_2, M_LZO1C_3, M_LZO1C_4, M_LZO1C_5,
- M_LZO1C_6, M_LZO1C_7, M_LZO1C_8, M_LZO1C_9,
-
- M_LZO1 = 21,
- M_LZO1A = 31,
-
- M_LZO1B_99 = 901,
- M_LZO1B_999 = 902,
- M_LZO1C_99 = 911,
- M_LZO1C_999 = 912,
- M_LZO1_99 = 921,
- M_LZO1A_99 = 931,
-
- M_LZO1F_1 = 61,
- M_LZO1F_999 = 962,
- M_LZO1X_1 = 71,
- M_LZO1X_1_11 = 111,
- M_LZO1X_1_12 = 112,
- M_LZO1X_1_15 = 115,
- M_LZO1X_999 = 972,
- M_LZO1Y_1 = 81,
- M_LZO1Y_999 = 982,
- M_LZO1Z_999 = 992,
-
- M_LZO2A_999 = 942,
- M_LZO2B_999 = 952,
-
- M_LAST_LZO_COMPRESSOR = 998,
-
-/* other compressors */
-#if defined(ALG_ZLIB)
- M_ZLIB_8_1 = 1101,
- M_ZLIB_8_2, M_ZLIB_8_3, M_ZLIB_8_4, M_ZLIB_8_5,
- M_ZLIB_8_6, M_ZLIB_8_7, M_ZLIB_8_8, M_ZLIB_8_9,
-#endif
-#if defined(ALG_BZIP2)
- M_BZIP2_1 = 1201,
- M_BZIP2_2, M_BZIP2_3, M_BZIP2_4, M_BZIP2_5,
- M_BZIP2_6, M_BZIP2_7, M_BZIP2_8, M_BZIP2_9,
-#endif
-
-/* dummy compressor - for benchmarking */
- M_MEMCPY = 999,
-
- M_LAST_COMPRESSOR = 4999,
-
-/* dummy algorithms - for benchmarking */
- M_MEMSET = 5001,
-
-/* checksum algorithms - for benchmarking */
- M_ADLER32 = 6001,
- M_CRC32 = 6002,
-#if defined(ALG_ZLIB)
- M_Z_ADLER32 = 6011,
- M_Z_CRC32 = 6012,
-#endif
-
-#if defined(__LZO_PROFESSIONAL__)
-# include "lzopro/m_enum.ch"
-#endif
-
- M_UNUSED
-};
-
-
-/*************************************************************************
-// command line options
-**************************************************************************/
-
-int opt_verbose = 2;
-
-long opt_c_loops = 0;
-long opt_d_loops = 0;
-const char *opt_corpus_path = NULL;
-const char *opt_dump_compressed_data = NULL;
-
-lzo_bool opt_use_safe_decompressor = 0;
-lzo_bool opt_use_asm_decompressor = 0;
-lzo_bool opt_use_asm_fast_decompressor = 0;
-lzo_bool opt_optimize_compressed_data = 0;
-
-int opt_dict = 0;
-lzo_uint opt_max_dict_len = LZO_UINT_MAX;
-const char *opt_dictionary_file = NULL;
-
-lzo_bool opt_read_from_stdin = 0;
-
-/* set these to 1 to measure the speed impact of a checksum */
-lzo_bool opt_compute_adler32 = 0;
-lzo_bool opt_compute_crc32 = 0;
-static lzo_uint32 adler_in, adler_out;
-static lzo_uint32 crc_in, crc_out;
-
-lzo_bool opt_execution_time = 0;
-int opt_uclock = -1;
-lzo_bool opt_clear_wrkmem = 0;
-
-static const lzo_bool opt_try_to_compress_0_bytes = 1;
-
-
-/*************************************************************************
-// misc globals
-**************************************************************************/
-
-static const char *progname = "";
-static lzo_uclock_handle_t uch;
-
-/* for statistics and benchmark */
-int opt_totals = 0;
-static unsigned long total_n = 0;
-static unsigned long total_c_len = 0;
-static unsigned long total_d_len = 0;
-static unsigned long total_blocks = 0;
-static double total_perc = 0.0;
-static const char *total_method_name = NULL;
-static unsigned total_method_names = 0;
-/* Note: the average value of a rate (e.g. compression speed) is defined
- * by the Harmonic Mean (and _not_ by the Arithmethic Mean ) */
-static unsigned long total_c_mbs_n = 0;
-static unsigned long total_d_mbs_n = 0;
-static double total_c_mbs_harmonic = 0.0;
-static double total_d_mbs_harmonic = 0.0;
-static double total_c_mbs_sum = 0.0;
-static double total_d_mbs_sum = 0.0;
-
-
-#if defined(HAVE_LZO1X_H)
-int default_method = M_LZO1X_1;
-#elif defined(HAVE_LZO1B_H)
-int default_method = M_LZO1B_1;
-#elif defined(HAVE_LZO1C_H)
-int default_method = M_LZO1C_1;
-#elif defined(HAVE_LZO1F_H)
-int default_method = M_LZO1F_1;
-#elif defined(HAVE_LZO1Y_H)
-int default_method = M_LZO1Y_1;
-#else
-int default_method = M_MEMCPY;
-#endif
-
-
-static const int benchmark_methods[] = {
- M_LZO1B_1, M_LZO1B_9,
- M_LZO1C_1, M_LZO1C_9,
- M_LZO1F_1,
- M_LZO1X_1,
- 0
-};
-
-static const int x1_methods[] = {
- M_LZO1, M_LZO1A, M_LZO1B_1, M_LZO1C_1, M_LZO1F_1, M_LZO1X_1, M_LZO1Y_1,
- 0
-};
-
-static const int x99_methods[] = {
- M_LZO1_99, M_LZO1A_99, M_LZO1B_99, M_LZO1C_99,
- 0
-};
-
-static const int x999_methods[] = {
- M_LZO1B_999, M_LZO1C_999, M_LZO1F_999, M_LZO1X_999, M_LZO1Y_999,
- M_LZO1Z_999,
- M_LZO2A_999,
- 0
-};
-
-
-/* exit codes of this test program */
-#define EXIT_OK 0
-#define EXIT_USAGE 1
-#define EXIT_FILE 2
-#define EXIT_MEM 3
-#define EXIT_ADLER 4
-#define EXIT_LZO_ERROR 5
-#define EXIT_LZO_INIT 6
-#define EXIT_INTERNAL 7
-
-
-/*************************************************************************
-// memory setup
-**************************************************************************/
-
-static lzo_uint opt_block_size;
-static lzo_uint opt_max_data_len;
-
-typedef struct {
- lzo_bytep ptr;
- lzo_uint len;
- lzo_uint32 adler;
- lzo_uint32 crc;
- lzo_bytep alloc_ptr;
- lzo_uint alloc_len;
- lzo_uint saved_len;
-} mblock_t;
-
-static mblock_t file_data; /* original uncompressed data */
-static mblock_t block_c; /* compressed data */
-static mblock_t block_d; /* decompressed data */
-static mblock_t block_w; /* wrkmem */
-static mblock_t dict;
-
-
-static void mb_alloc_extra(mblock_t *mb, lzo_uint len, lzo_uint extra_bottom, lzo_uint extra_top)
-{
- lzo_uint align = (lzo_uint) sizeof(lzo_align_t);
-
- mb->alloc_ptr = mb->ptr = NULL;
- mb->alloc_len = mb->len = 0;
-
- mb->alloc_len = extra_bottom + len + extra_top;
- if (mb->alloc_len == 0) mb->alloc_len = 1;
- mb->alloc_ptr = (lzo_bytep) lzo_malloc(mb->alloc_len);
-
- if (mb->alloc_ptr == NULL) {
- fprintf(stderr, "%s: out of memory (wanted %lu bytes)\n", progname, (unsigned long)mb->alloc_len);
- exit(EXIT_MEM);
- }
- if (mb->alloc_len >= align && __lzo_align_gap(mb->alloc_ptr, align) != 0) {
- fprintf(stderr, "%s: C library problem: malloc() returned misaligned pointer!\n", progname);
- exit(EXIT_MEM);
- }
-
- mb->ptr = mb->alloc_ptr + extra_bottom;
- mb->len = mb->saved_len = len;
- mb->adler = 1;
- mb->crc = 0;
-}
-
-
-static void mb_alloc(mblock_t *mb, lzo_uint len)
-{
- mb_alloc_extra(mb, len, 0, 0);
-}
-
-
-static void mb_free(mblock_t *mb)
-{
- if (!mb) return;
- if (mb->alloc_ptr) lzo_free(mb->alloc_ptr);
- mb->alloc_ptr = mb->ptr = NULL;
- mb->alloc_len = mb->len = 0;
-}
-
-
-static lzo_uint get_max_compression_expansion(int m, lzo_uint bl)
-{
- if (m == M_MEMCPY || m >= M_LAST_COMPRESSOR)
- return 0;
- if (m == M_LZO2A_999 || m == M_LZO2B_999)
- return bl / 8 + 256;
- if (m > 0 && m < M_LAST_LZO_COMPRESSOR)
- return bl / 16 + 64 + 3;
- return bl / 8 + 256;
-}
-
-static lzo_uint get_max_decompression_overrun(int m, lzo_uint bl)
-{
- LZO_UNUSED(m);
- LZO_UNUSED(bl);
- /* may overwrite 3 bytes past the end of the decompressed block */
- if (opt_use_asm_fast_decompressor)
- return (lzo_uint) sizeof(lzo_voidp) - 1;
- return 0;
-}
-
-
-/*************************************************************************
-// dictionary support
-**************************************************************************/
-
-static void dict_alloc(lzo_uint max_dict_len)
-{
- lzo_uint l = 0xbfff; /* MAX_DICT_LEN */
- if (max_dict_len > 0 && l > max_dict_len)
- l = max_dict_len;
- mb_alloc(&dict, l);
-}
-
-
-/* this default dictionary does not provide good contexts... */
-static void dict_set_default(void)
-{
- lzo_uint d = 0;
- unsigned i, j;
-
- dict.len = 16 * 256;
- if (dict.len > dict.alloc_len)
- dict.len = dict.alloc_len;
-
- lzo_memset(dict.ptr, 0, dict.len);
-
- for (i = 0; i < 256; i++)
- for (j = 0; j < 16; j++) {
- if (d >= dict.len)
- goto done;
- dict.ptr[d++] = (unsigned char) i;
- }
-
-done:
- dict.adler = lzo_adler32(1, dict.ptr, dict.len);
-}
-
-
-static void dict_load(const char *file_name)
-{
- FILE *fp;
-
- dict.len = 0;
- fp = fopen(file_name, "rb");
- if (fp)
- {
- dict.len = (lzo_uint) lzo_fread(fp, dict.ptr, dict.alloc_len);
- (void) fclose(fp);
- dict.adler = lzo_adler32(1, dict.ptr, dict.len);
- }
-}
-
-
-/*************************************************************************
-// compression database
-**************************************************************************/
-
-typedef struct
-{
- const char * name;
- int id;
- lzo_uint32 mem_compress;
- lzo_uint32 mem_decompress;
- lzo_compress_t compress;
- lzo_optimize_t optimize;
- lzo_decompress_t decompress;
- lzo_decompress_t decompress_safe;
- lzo_decompress_t decompress_asm;
- lzo_decompress_t decompress_asm_safe;
- lzo_decompress_t decompress_asm_fast;
- lzo_decompress_t decompress_asm_fast_safe;
- lzo_compress_dict_t compress_dict;
- lzo_decompress_dict_t decompress_dict_safe;
-}
-compress_t;
-
-#include "asm.h"
-
-#include "wrap.h"
-#define M_PRIVATE LZO_PRIVATE
-#define m_uint lzo_uint
-#define m_uint32 lzo_uint32
-#define m_voidp lzo_voidp
-#define m_bytep lzo_bytep
-#define m_uintp lzo_uintp
-#include "wrapmisc.h"
-
-static const compress_t compress_database[] = {
-#include "db.h"
-{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-};
-
-
-/*************************************************************************
-// method info
-**************************************************************************/
-
-static
-lzo_decompress_t get_decomp_info ( const compress_t *c, const char **nn )
-{
- lzo_decompress_t d = 0;
- const char *n = NULL;
-
- /* safe has priority over asm/fast */
- if (!d && opt_use_safe_decompressor && opt_use_asm_fast_decompressor)
- {
- d = c->decompress_asm_fast_safe;
- n = " [fs]";
- }
- if (!d && opt_use_safe_decompressor && opt_use_asm_decompressor)
- {
- d = c->decompress_asm_safe;
- n = " [as]";
- }
- if (!d && opt_use_safe_decompressor)
- {
- d = c->decompress_safe;
- n = " [s]";
- }
- if (!d && opt_use_asm_fast_decompressor)
- {
- d = c->decompress_asm_fast;
- n = " [f]";
- }
- if (!d && opt_use_asm_decompressor)
- {
- d = c->decompress_asm;
- n = " [a]";
- }
- if (!d)
- {
- d = c->decompress;
- n = "";
- }
- if (!d)
- n = "(null)";
-
- if (opt_dict && c->decompress_dict_safe)
- n = "";
-
- if (nn)
- *nn = n;
- return d;
-}
-
-
-static
-const compress_t *find_method_by_id ( int method )
-{
- const compress_t *db;
- size_t size = sizeof(compress_database) / sizeof(*(compress_database));
- size_t i;
-
- db = compress_database;
- for (i = 0; i < size && db->name != NULL; i++, db++)
- {
- if (method == db->id)
- return db;
- }
- return NULL;
-}
-
-
-static
-const compress_t *find_method_by_name ( const char *name )
-{
- const compress_t *db;
- size_t size = sizeof(compress_database) / sizeof(*(compress_database));
- size_t i;
-
- db = compress_database;
- for (i = 0; i < size && db->name != NULL; i++, db++)
- {
- size_t n = strlen(db->name);
-
-#if defined(HAVE_STRNCASECMP)
- if (strncasecmp(name,db->name,n) == 0 && (!name[n] || name[n] == ','))
- return db;
-#else
- if (strncmp(name,db->name,n) == 0 && (!name[n] || name[n] == ','))
- return db;
-#endif
- }
- return NULL;
-}
-
-
-static
-lzo_bool is_compressor ( const compress_t *c )
-{
- return (c->id <= M_LAST_COMPRESSOR || c->id >= 9721);
-}
-
-
-/*************************************************************************
-// check that memory gets accessed within bounds
-**************************************************************************/
-
-void memchecker_init ( mblock_t *mb, lzo_xint l, unsigned char random_byte )
-{
- lzo_uint i;
- lzo_uint len = (lzo_uint) l;
- lzo_bytep p;
-
- assert(len <= mb->len);
-
- /* bottom */
- p = mb->ptr;
- for (i = 0; i < 16 && p > mb->alloc_ptr; i++)
- *--p = random_byte++;
- /* top */
- p = mb->ptr + len;
- for (i = 0; i < 16 && p < mb->alloc_ptr + mb->alloc_len; i++)
- *p++ = random_byte++;
-#if 0 || defined(LZO_DEBUG)
- /* fill in garbage */
- p = mb->ptr;
- random_byte |= 1;
- for (i = 0; i < len; i++, random_byte += 2)
- *p++ = random_byte;
-#endif
-}
-
-
-int memchecker_check ( mblock_t *mb, lzo_xint l, unsigned char random_byte )
-{
- lzo_uint i;
- lzo_uint len = (lzo_uint) l;
- lzo_bytep p;
-
- assert(len <= mb->len);
-
- /* bottom */
- p = mb->ptr;
- for (i = 0; i < 16 && p > mb->alloc_ptr; i++)
- if (*--p != random_byte++)
- return -1;
- /* top */
- p = mb->ptr + len;
- for (i = 0; i < 16 && p < mb->alloc_ptr + mb->alloc_len; i++)
- if (*p++ != random_byte++)
- return -1;
- return 0;
-}
-
-
-/*************************************************************************
-// compress a block
-**************************************************************************/
-
-static
-int call_compressor ( const compress_t *c,
- const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len )
-{
- int r = -100;
-
- if (c && c->compress && block_w.len >= c->mem_compress)
- {
- unsigned char random_byte = (unsigned char) src_len;
- memchecker_init(&block_w, c->mem_compress, random_byte);
- if (opt_clear_wrkmem)
- lzo_memset(block_w.ptr, 0, c->mem_compress);
-
- if (opt_dict && c->compress_dict)
- r = c->compress_dict(src,src_len,dst,dst_len,block_w.ptr,dict.ptr,dict.len);
- else
- r = c->compress(src,src_len,dst,dst_len,block_w.ptr);
-
- if (memchecker_check(&block_w, c->mem_compress, random_byte) != 0)
- printf("WARNING: wrkmem overwrite error (compress) !!!\n");
- }
-
- if (r == 0 && opt_compute_adler32)
- {
- lzo_uint32 adler;
- adler = lzo_adler32(0, NULL, 0);
- adler = lzo_adler32(adler, src, src_len);
- adler_in = adler;
- }
- if (r == 0 && opt_compute_crc32)
- {
- lzo_uint32 crc;
- crc = lzo_crc32(0, NULL, 0);
- crc = lzo_crc32(crc, src, src_len);
- crc_in = crc;
- }
-
- return r;
-}
-
-
-/*************************************************************************
-// decompress a block
-**************************************************************************/
-
-static
-int call_decompressor ( const compress_t *c, lzo_decompress_t d,
- const lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len )
-{
- int r = -100;
-
- if (c && d && block_w.len >= c->mem_decompress)
- {
- unsigned char random_byte = (unsigned char) src_len;
- memchecker_init(&block_w, c->mem_decompress, random_byte);
- if (opt_clear_wrkmem)
- lzo_memset(block_w.ptr, 0, c->mem_decompress);
-
- if (opt_dict && c->decompress_dict_safe)
- r = c->decompress_dict_safe(src,src_len,dst,dst_len,block_w.ptr,dict.ptr,dict.len);
- else
- r = d(src,src_len,dst,dst_len,block_w.ptr);
-
- if (memchecker_check(&block_w, c->mem_decompress, random_byte) != 0)
- printf("WARNING: wrkmem overwrite error (decompress) !!!\n");
- }
-
- if (r == 0 && opt_compute_adler32)
- adler_out = lzo_adler32(1, dst, *dst_len);
- if (r == 0 && opt_compute_crc32)
- crc_out = lzo_crc32(0, dst, *dst_len);
-
- return r;
-}
-
-
-/*************************************************************************
-// optimize a block
-**************************************************************************/
-
-static
-int call_optimizer ( const compress_t *c,
- lzo_bytep src, lzo_uint src_len,
- lzo_bytep dst, lzo_uintp dst_len )
-{
- if (c && c->optimize && block_w.len >= c->mem_decompress)
- return c->optimize(src,src_len,dst,dst_len,block_w.ptr);
- return 0;
-}
-
-
-/***********************************************************************
-// read a file
-************************************************************************/
-
-static int load_file(const char *file_name, lzo_uint max_data_len)
-{
- FILE *fp;
-#if (HAVE_FTELLO)
- off_t ll = -1;
-#else
- long ll = -1;
-#endif
- lzo_uint l;
- int r;
- mblock_t *mb = &file_data;
-
- mb_free(mb);
-
- fp = fopen(file_name, "rb");
- if (fp == NULL)
- {
- fflush(stdout); fflush(stderr);
- fprintf(stderr, "%s: ", file_name);
- fflush(stderr);
- perror("fopen");
- fflush(stdout); fflush(stderr);
- return EXIT_FILE;
- }
- r = fseek(fp, 0, SEEK_END);
- if (r == 0)
- {
-#if (HAVE_FTELLO)
- ll = ftello(fp);
-#else
- ll = ftell(fp);
-#endif
- r = fseek(fp, 0, SEEK_SET);
- }
- if (r != 0 || ll < 0)
- {
- fflush(stdout); fflush(stderr);
- fprintf(stderr, "%s: ", file_name);
- fflush(stderr);
- perror("fseek");
- fflush(stdout); fflush(stderr);
- (void) fclose(fp);
- return EXIT_FILE;
- }
-
- l = (lzo_uint) ll;
- if (l > max_data_len) l = max_data_len;
-#if (HAVE_FTELLO)
- if ((off_t) l != ll) l = max_data_len;
-#else
- if ((long) l != ll) l = max_data_len;
-#endif
-
- mb_alloc(mb, l);
- mb->len = (lzo_uint) lzo_fread(fp, mb->ptr, mb->len);
-
- r = ferror(fp);
- if (fclose(fp) != 0 || r != 0)
- {
- mb_free(mb);
- fflush(stdout); fflush(stderr);
- fprintf(stderr, "%s: ", file_name);
- fflush(stderr);
- perror("fclose");
- fflush(stdout); fflush(stderr);
- return EXIT_FILE;
- }
-
- return EXIT_OK;
-}
-
-
-/***********************************************************************
-// print some compression statistics
-************************************************************************/
-
-static double t_div(double a, double b)
-{
- return b > 0.00001 ? a / b : 0;
-}
-
-static double set_perc_d(double perc, char *s)
-{
- if (perc <= 0.0) {
- strcpy(s, "0.0");
- return 0;
- }
- if (perc <= 100 - 1.0 / 16) {
- sprintf(s, "%4.1f", perc);
- }
- else {
- long p = (long) (perc + 0.5);
- if (p < 100)
- strcpy(s, "???");
- else if (p >= 9999)
- strcpy(s, "9999");
- else
- sprintf(s, "%ld", p);
- }
- return perc;
-}
-
-static double set_perc(unsigned long c_len, unsigned long d_len, char *s)
-{
- double perc = 0.0;
- if (d_len > 0)
- perc = c_len * 100.0 / d_len;
- return set_perc_d(perc, s);
-}
-
-
-static
-void print_stats ( const char *method_name, const char *file_name,
- long t_loops, long c_loops, long d_loops,
- double t_secs, double c_secs, double d_secs,
- unsigned long c_len, unsigned long d_len,
- unsigned long blocks )
-{
- unsigned long x_len = d_len;
- unsigned long t_bytes, c_bytes, d_bytes;
- double c_mbs, d_mbs, t_mbs;
- double perc;
- char perc_str[4+1];
-
- perc = set_perc(c_len, d_len, perc_str);
-
- c_bytes = x_len * c_loops * t_loops;
- d_bytes = x_len * d_loops * t_loops;
- t_bytes = c_bytes + d_bytes;
-
- if (opt_uclock == 0)
- c_secs = d_secs = t_secs = 0.0;
-
- /* speed in uncompressed megabytes per second (1 megabyte = 1.000.000 bytes) */
- c_mbs = (c_secs > 0.001) ? (c_bytes / c_secs) / 1000000.0 : 0;
- d_mbs = (d_secs > 0.001) ? (d_bytes / d_secs) / 1000000.0 : 0;
- t_mbs = (t_secs > 0.001) ? (t_bytes / t_secs) / 1000000.0 : 0;
-
- total_n++;
- total_c_len += c_len;
- total_d_len += d_len;
- total_blocks += blocks;
- total_perc += perc;
- if (c_mbs > 0) {
- total_c_mbs_n += 1;
- total_c_mbs_harmonic += 1.0 / c_mbs;
- total_c_mbs_sum += c_mbs;
- }
- if (d_mbs > 0) {
- total_d_mbs_n += 1;
- total_d_mbs_harmonic += 1.0 / d_mbs;
- total_d_mbs_sum += d_mbs;
- }
-
- if (opt_verbose >= 2)
- {
- printf(" compressed into %lu bytes, %s%% (%s%.3f bits/byte)\n",
- c_len, perc_str, "", perc * 0.08);
-
-#if 0
- printf("%-15s %5ld: ","overall", t_loops);
- printf("%10lu bytes, %8.2f secs, %8.3f MB/sec\n",
- t_bytes, t_secs, t_mbs);
-#else
- LZO_UNUSED(t_mbs);
-#endif
- printf("%-15s %5ld: ","compress", c_loops);
- printf("%10lu bytes, %8.2f secs, %8.3f MB/sec\n",
- c_bytes, c_secs, c_mbs);
- printf("%-15s %5ld: ","decompress", d_loops);
- printf("%10lu bytes, %8.2f secs, %8.3f MB/sec\n",
- d_bytes, d_secs, d_mbs);
- printf("\n");
- }
-
- /* create a line for util/table.pl */
- if (opt_verbose >= 1)
- {
- /* get basename */
- const char *n, *nn, *b;
- for (nn = n = b = file_name; *nn; nn++)
- if (*nn == '/' || *nn == '\\' || *nn == ':')
- b = nn + 1;
- else
- n = b;
-
- printf("%-13s| %-14s %8lu %4lu %9lu %4s %s%8.3f %8.3f |\n",
- method_name, n, d_len, blocks, c_len, perc_str, "", c_mbs, d_mbs);
- }
-
- if (opt_verbose >= 2)
- printf("\n");
-}
-
-
-static
-void print_totals ( void )
-{
- char perc_str[4+1];
-
- if ((opt_verbose >= 1 && total_n > 1) || (opt_totals >= 2))
- {
- unsigned long n = total_n > 0 ? total_n : 1;
- const char *t1 = "-------";
- const char *t2 = total_method_names == 1 ? total_method_name : "";
-#if 1 && defined(__ACCLIB_PCLOCK_CH_INCLUDED)
- char uclock_mode[32+1];
- sprintf(uclock_mode, "[clock=%d]", uch.mode);
- t1 = uclock_mode;
- if (opt_uclock == 0) t1 = t2;
-#endif
-
-#if 1
- set_perc_d(total_perc / n, perc_str);
- printf("%-13s %-12s %10lu %4.1f %9lu %4s %8.3f %8.3f\n",
- t1, "***AVG***",
- total_d_len / n, total_blocks * 1.0 / n, total_c_len / n, perc_str,
- t_div(total_c_mbs_n, total_c_mbs_harmonic),
- t_div(total_d_mbs_n, total_d_mbs_harmonic));
-#endif
- set_perc(total_c_len, total_d_len, perc_str);
- printf("%-13s %-12s %10lu %4lu %9lu %4s %s%8.3f %8.3f\n",
- t2, "***TOTALS***",
- total_d_len, total_blocks, total_c_len, perc_str, "",
- t_div(total_c_mbs_n, total_c_mbs_harmonic),
- t_div(total_d_mbs_n, total_d_mbs_harmonic));
- }
-}
-
-
-/*************************************************************************
-// compress and decompress a file
-**************************************************************************/
-
-static __lzo_noinline
-int process_file ( const compress_t *c, lzo_decompress_t decompress,
- const char *method_name,
- const char *file_name,
- long t_loops, long c_loops, long d_loops )
-{
- long t_i;
- unsigned long blocks = 0;
- unsigned long compressed_len = 0;
- double t_time = 0, c_time = 0, d_time = 0;
- lzo_uclock_t t_start, t_stop, x_start, x_stop;
- FILE *fp_dump = NULL;
-
- if (opt_dump_compressed_data)
- fp_dump = fopen(opt_dump_compressed_data,"wb");
-
-/* process the file */
-
- lzo_uclock_flush_cpu_cache(&uch, 0);
- lzo_uclock_read(&uch, &t_start);
- for (t_i = 0; t_i < t_loops; t_i++)
- {
- lzo_uint len, c_len, c_len_max, d_len = 0;
- const lzo_bytep d = file_data.ptr;
-
- len = file_data.len;
- c_len = 0;
- blocks = 0;
-
- /* process blocks */
- if (len > 0 || opt_try_to_compress_0_bytes) do
- {
- lzo_uint bl;
- long c_i;
- int r;
- unsigned char random_byte = (unsigned char) file_data.len;
-#if 1 && defined(CLOCKS_PER_SEC)
- random_byte = (unsigned char) (random_byte ^ clock());
-#endif
- blocks++;
-
- bl = len > opt_block_size ? opt_block_size : len;
- /* update lengths for memchecker_xxx() */
- block_c.len = bl + get_max_compression_expansion(c->id, bl);
- block_d.len = bl + get_max_decompression_overrun(c->id, bl);
-#if defined(__LZO_CHECKER)
- /* malloc a block of the exact size to detect any overrun */
- assert(block_c.alloc_ptr == NULL);
- assert(block_d.alloc_ptr == NULL);
- mb_alloc(&block_c, block_c.len);
- mb_alloc(&block_d, block_d.len);
-#endif
- assert(block_c.len <= block_c.saved_len);
- assert(block_d.len <= block_d.saved_len);
-
- memchecker_init(&block_c, block_c.len, random_byte);
- memchecker_init(&block_d, block_d.len, random_byte);
-
- /* compress the block */
- c_len = c_len_max = 0;
- lzo_uclock_flush_cpu_cache(&uch, 0);
- lzo_uclock_read(&uch, &x_start);
- for (r = 0, c_i = 0; c_i < c_loops; c_i++)
- {
- c_len = block_c.len;
- r = call_compressor(c, d, bl, block_c.ptr, &c_len);
- if (r != 0)
- break;
- if (c_len > c_len_max)
- c_len_max = c_len;
- if (c_len > block_c.len)
- goto compress_overrun;
- }
- lzo_uclock_read(&uch, &x_stop);
- c_time += lzo_uclock_get_elapsed(&uch, &x_start, &x_stop);
- if (r != 0)
- {
- printf(" compression failed in block %lu (%d) (%lu %lu)\n",
- blocks, r, (unsigned long)c_len, (unsigned long)bl);
- return EXIT_LZO_ERROR;
- }
- if (memchecker_check(&block_c, block_c.len, random_byte) != 0)
- {
-compress_overrun:
- printf(" compression overwrite error in block %lu "
- "(%lu %lu %lu %lu)\n",
- blocks, (unsigned long)c_len, (unsigned long)d_len, (unsigned long)bl, (unsigned long)block_c.len);
- return EXIT_LZO_ERROR;
- }
-
- /* optimize the compressed block */
- if (c_len < bl && opt_optimize_compressed_data)
- {
- d_len = bl;
- r = call_optimizer(c, block_c.ptr, c_len, block_d.ptr, &d_len);
- if (r != 0 || d_len != bl)
- {
- printf(" optimization failed in block %lu (%d) "
- "(%lu %lu %lu)\n", blocks, r,
- (unsigned long)c_len, (unsigned long)d_len, (unsigned long)bl);
- return EXIT_LZO_ERROR;
- }
- if (memchecker_check(&block_c, block_c.len, random_byte) != 0 ||
- memchecker_check(&block_d, block_d.len, random_byte) != 0)
- {
- printf(" optimize overwrite error in block %lu "
- "(%lu %lu %lu %lu)\n",
- blocks, (unsigned long)c_len, (unsigned long)d_len, (unsigned long)bl, (unsigned long)block_c.len);
- return EXIT_LZO_ERROR;
- }
- }
-
- /* dump compressed data to disk */
- if (fp_dump)
- {
- lzo_uint l = (lzo_uint) lzo_fwrite(fp_dump, block_c.ptr, c_len);
- if (l != c_len || fflush(fp_dump) != 0) {
- /* write error */
- (void) fclose(fp_dump); fp_dump = NULL;
- }
- }
-
- /* decompress the block and verify */
- lzo_uclock_flush_cpu_cache(&uch, 0);
- lzo_uclock_read(&uch, &x_start);
- for (r = 0, c_i = 0; c_i < d_loops; c_i++)
- {
- d_len = bl;
- r = call_decompressor(c, decompress, block_c.ptr, c_len, block_d.ptr, &d_len);
- if (r != 0 || d_len != bl)
- break;
- }
- lzo_uclock_read(&uch, &x_stop);
- d_time += lzo_uclock_get_elapsed(&uch, &x_start, &x_stop);
- if (r != 0)
- {
- printf(" decompression failed in block %lu (%d) "
- "(%lu %lu %lu)\n", blocks, r,
- (unsigned long)c_len, (unsigned long)d_len, (unsigned long)bl);
- return EXIT_LZO_ERROR;
- }
- if (d_len != bl)
- {
- printf(" decompression size error in block %lu (%lu %lu %lu)\n",
- blocks, (unsigned long)c_len, (unsigned long)d_len, (unsigned long)bl);
- return EXIT_LZO_ERROR;
- }
- if (is_compressor(c))
- {
- if (lzo_memcmp(d, block_d.ptr, bl) != 0)
- {
- lzo_uint x = 0;
- while (x < bl && block_d.ptr[x] == d[x])
- x++;
- printf(" decompression data error in block %lu at offset "
- "%lu (%lu %lu)\n", blocks, (unsigned long)x,
- (unsigned long)c_len, (unsigned long)d_len);
- if (opt_compute_adler32)
- printf(" checksum: 0x%08lx 0x%08lx\n",
- (unsigned long)adler_in, (unsigned long)adler_out);
-#if 0
- printf("Orig: ");
- r = (x >= 10) ? -10 : 0 - (int) x;
- for (j = r; j <= 10 && x + j < bl; j++)
- printf(" %02x", (int)d[x+j]);
- printf("\nDecomp:");
- for (j = r; j <= 10 && x + j < bl; j++)
- printf(" %02x", (int)block_d.ptr[x+j]);
- printf("\n");
-#endif
- return EXIT_LZO_ERROR;
- }
- if ((opt_compute_adler32 && adler_in != adler_out) ||
- (opt_compute_crc32 && crc_in != crc_out))
- {
- printf(" checksum error in block %lu (%lu %lu)\n",
- blocks, (unsigned long)c_len, (unsigned long)d_len);
- printf(" adler32: 0x%08lx 0x%08lx\n",
- (unsigned long)adler_in, (unsigned long)adler_out);
- printf(" crc32: 0x%08lx 0x%08lx\n",
- (unsigned long)crc_in, (unsigned long)crc_out);
- return EXIT_LZO_ERROR;
- }
- }
-
- if (memchecker_check(&block_d, block_d.len, random_byte) != 0)
- {
- printf(" decompression overwrite error in block %lu "
- "(%lu %lu %lu %lu)\n",
- blocks, (unsigned long)c_len, (unsigned long)d_len,
- (unsigned long)bl, (unsigned long)block_d.len);
- return EXIT_LZO_ERROR;
- }
-
-#if defined(__LZO_CHECKER)
- /* free in reverse order of allocations */
- mb_free(&block_d);
- mb_free(&block_c);
-#endif
-
- d += bl;
- len -= bl;
- compressed_len += (unsigned long) c_len_max;
- }
- while (len > 0);
- }
- lzo_uclock_read(&uch, &t_stop);
- t_time += lzo_uclock_get_elapsed(&uch, &t_start, &t_stop);
-
- if (fp_dump) {
- (void) fclose(fp_dump); fp_dump = NULL;
- }
- opt_dump_compressed_data = NULL; /* only dump the first file */
-
- print_stats(method_name, file_name,
- t_loops, c_loops, d_loops,
- t_time, c_time, d_time,
- compressed_len, (unsigned long) file_data.len, blocks);
- if (total_method_name != c->name) {
- total_method_name = c->name;
- total_method_names += 1;
- }
-
- return EXIT_OK;
-}
-
-
-
-static
-int do_file ( int method, const char *file_name,
- long c_loops, long d_loops,
- lzo_uint32p p_adler, lzo_uint32p p_crc )
-{
- int r;
- const compress_t *c;
- lzo_decompress_t decompress;
- lzo_uint32 adler, crc;
- char method_name[256+1];
- const char *n;
- const long t_loops = 1;
-
- adler_in = adler_out = 0;
- crc_in = crc_out = 0;
- if (p_adler)
- *p_adler = 0;
- if (p_crc)
- *p_crc = 0;
-
- c = find_method_by_id(method);
- if (c == NULL || c->name == NULL || c->compress == NULL)
- return EXIT_INTERNAL;
- decompress = get_decomp_info(c,&n);
- if (!decompress || n == NULL || block_w.len < c->mem_decompress)
- return EXIT_INTERNAL;
- strcpy(method_name,c->name);
- strcat(method_name,n);
-
- if (c_loops < 1) c_loops = 1;
- if (d_loops < 1) d_loops = 1;
-
- fflush(stdout); fflush(stderr);
-
- /* read the whole file */
- r = load_file(file_name, opt_max_data_len);
- if (r != 0)
- return r;
-
- /* compute some checksums */
- adler = lzo_adler32(0, NULL, 0);
- adler = lzo_adler32(adler, file_data.ptr, file_data.len);
- if (p_adler)
- *p_adler = adler;
- crc = lzo_crc32(0, NULL, 0);
- crc = lzo_crc32(crc, file_data.ptr, file_data.len);
- if (p_crc)
- *p_crc = crc;
-
- if (opt_verbose >= 2)
- {
- printf("File %s: %lu bytes (0x%08lx, 0x%08lx)\n",
- file_name, (unsigned long) file_data.len, (unsigned long) adler, (unsigned long) crc);
- printf(" compressing %lu bytes (%ld/%ld/%ld loops, %lu block-size)\n",
- (unsigned long) file_data.len, t_loops, c_loops, d_loops, (unsigned long) opt_block_size);
- printf(" %s\n", method_name);
- }
-
- r = process_file(c, decompress, method_name, file_name,
- t_loops, c_loops, d_loops);
-
- return r;
-}
-
-
-/*************************************************************************
-// Calgary Corpus and Silesia Corpus test suite driver
-**************************************************************************/
-
-struct corpus_entry_t
-{
- const char *name;
- long loops;
- lzo_uint32 adler;
- lzo_uint32 crc;
-};
-
-const struct corpus_entry_t *opt_corpus = NULL;
-
-static const struct corpus_entry_t calgary_corpus[] =
-{
- { "bib", 8, 0x4bd09e98L, 0xb856ebe8L },
- { "book1", 1, 0xd4d3613eL, 0x24e19972L },
- { "book2", 1, 0x6fe14cc3L, 0xba0f3f26L },
- { "geo", 6, 0xf3cc5be0L, 0x4d3a6ed0L },
- { "news", 2, 0x2ed405b8L, 0xcafac853L },
- { "obj1", 35, 0x3887dd2cL, 0xc7b0cd26L },
- { "obj2", 4, 0xf89407c4L, 0x3ae33007L },
- { "paper1", 17, 0xfe65ce62L, 0x2b6baca0L },
- { "paper2", 11, 0x1238b7c2L, 0xf76cba72L },
- { "pic", 4, 0xf61a5702L, 0x4b17e59cL },
- { "progc", 25, 0x4c00ba45L, 0x6fb16094L },
- { "progl", 20, 0x4cba738eL, 0xddbf6baaL },
- { "progp", 28, 0x7495b92bL, 0x493a1809L },
- { "trans", 15, 0x52a2cec8L, 0xcdec06a6L },
- { NULL, 0, 0x00000000L, 0x00000000L }
-};
-
-static const struct corpus_entry_t silesia_corpus[] =
-{
- { "dickens", 1, 0x170f606fL, 0xaf3a6b76L },
- { "mozilla", 1, 0x1188dd4eL, 0x7fb0ab7dL },
- { "mr", 1, 0xaea14b97L, 0xa341883fL },
- { "nci", 1, 0x0af16f1fL, 0x60ff63d3L },
- { "ooffice", 1, 0x83c8f689L, 0xa023e1faL },
- { "osdb", 1, 0xb825b790L, 0xa0ca388cL },
- { "reymont", 1, 0xce5c82caL, 0x50d35f03L },
- { "samba", 1, 0x19dbb9f5L, 0x2beac5f3L },
- { "sao", 1, 0x7edfc4a9L, 0xfda125bfL },
- { "webster", 1, 0xf2962fc6L, 0x01f5a2e9L },
- { "xml", 1, 0xeccd03d6L, 0xff8f3051L },
- { "x-ray", 1, 0xc95435a0L, 0xc86a35c6L },
- { NULL, 0, 0x00000000L, 0x00000000L }
-};
-
-
-static
-int do_corpus ( const struct corpus_entry_t *corpus, int method, const char *path,
- long c_loops, long d_loops )
-{
- size_t i, n;
- char name[256];
-
- if (path == NULL || strlen(path) >= sizeof(name) - 12)
- return EXIT_USAGE;
-
- strcpy(name,path);
- n = strlen(name);
- if (n > 0 && name[n-1] != '/' && name[n-1] != '\\' && name[n-1] != ':')
- {
- strcat(name,"/");
- n++;
- }
-
- for (i = 0; corpus[i].name != NULL; i++)
- {
- lzo_uint32 adler, crc;
- long c = c_loops * corpus[i].loops;
- long d = d_loops * corpus[i].loops;
- int r;
-
- strcpy(name+n,corpus[i].name);
- r = do_file(method, name, c, d, &adler, &crc);
- if (r != 0)
- return r;
- if (adler != corpus[i].adler)
- {
- printf(" invalid test suite\n");
- return EXIT_ADLER;
- }
- if (corpus[i].crc && crc != corpus[i].crc)
- {
- printf(" internal checksum error !! (0x%08lx 0x%08lx)\n",
- (unsigned long) crc, (unsigned long) corpus[i].crc);
- return EXIT_INTERNAL;
- }
- }
- return EXIT_OK;
-}
-
-
-/*************************************************************************
-// usage
-**************************************************************************/
-
-static
-void usage ( const char *name, int exit_code, lzo_bool show_methods )
-{
- FILE *fp;
- int i;
-
- fp = stdout;
-
- fflush(stdout); fflush(stderr);
-
- fprintf(fp,"Usage: %s [option..] file...\n", name);
- fprintf(fp,"\n");
- fprintf(fp,"Options:\n");
- fprintf(fp," -m# compression method\n");
- fprintf(fp," -b# set input block size (default %lu, max %lu)\n",
- (unsigned long) opt_block_size, (unsigned long) opt_max_data_len);
- fprintf(fp," -n# number of compression/decompression runs\n");
- fprintf(fp," -c# number of compression runs\n");
- fprintf(fp," -d# number of decompression runs\n");
- fprintf(fp," -S use safe decompressor (if available)\n");
- fprintf(fp," -A use assembler decompressor (if available)\n");
- fprintf(fp," -F use fast assembler decompressor (if available)\n");
- fprintf(fp," -O optimize compressed data (if available)\n");
- fprintf(fp," -s DIR process Calgary Corpus test suite in directory `DIR'\n");
- fprintf(fp," -@ read list of files to compress from stdin\n");
- fprintf(fp," -q be quiet\n");
- fprintf(fp," -Q be very quiet\n");
- fprintf(fp," -v be verbose\n");
- fprintf(fp," -L display software license\n");
-
- if (show_methods)
- {
-#if defined(__ACCLIB_PCLOCK_CH_INCLUDED)
- lzo_uclock_t t_dummy;
- lzo_uclock_read(&uch, &t_dummy);
- (void) lzo_uclock_get_elapsed(&uch, &t_dummy, &t_dummy);
- fprintf(fp,"\nAll timings are recorded using uclock mode %d %s.\n", uch.mode, uch.name);
-#endif
- fprintf(fp,"\n\n");
- fprintf(fp,"The following compression methods are available:\n");
- fprintf(fp,"\n");
- fprintf(fp," usage name memory available extras\n");
- fprintf(fp," ----- ---- ------ ----------------\n");
-
- for (i = 0; i <= M_LAST_COMPRESSOR; i++)
- {
- const compress_t *c;
- c = find_method_by_id(i);
- if (c)
- {
- char n[16];
- const char *sep = " ";
- unsigned long m = c->mem_compress;
-
- sprintf(n,"-m%d",i);
- fprintf(fp," %-6s %-13s",n,c->name);
-#if 1
- fprintf(fp,"%9lu", m);
-#else
- m = (m + 1023) / 1024;
- fprintf(fp,"%6lu KiB", m);
-#endif
-
- if (c->decompress_safe)
- { fprintf(fp, "%s%s", sep, "safe"); sep = ", "; }
- if (c->decompress_asm)
- { fprintf(fp, "%s%s", sep, "asm"); sep = ", "; }
- if (c->decompress_asm_safe)
- { fprintf(fp, "%s%s", sep, "asm+safe"); sep = ", "; }
- if (c->decompress_asm_fast)
- { fprintf(fp, "%s%s", sep, "fastasm"); sep = ", "; }
- if (c->decompress_asm_fast_safe)
- { fprintf(fp, "%s%s", sep, "fastasm+safe"); sep = ", "; }
- if (c->optimize)
- { fprintf(fp, "%s%s", sep, "optimize"); sep = ", "; }
- fprintf(fp, "\n");
- }
- }
- }
- else
- {
- fprintf(fp,"\n");
- fprintf(fp,"Type '%s -m' to list all available methods.\n", name);
- }
-
- fflush(fp);
- if (exit_code < 0)
- exit_code = EXIT_USAGE;
- exit(exit_code);
-}
-
-
-static
-void license(void)
-{
- FILE *fp;
-
- fp = stdout;
- fflush(stdout); fflush(stderr);
-
-#if defined(__LZO_PROFESSIONAL__)
-# include "lzopro/license.ch"
-#else
-fprintf(fp,
-" The LZO library is free software; you can redistribute it and/or\n"
-" modify it under the terms of the GNU General Public License as\n"
-" published by the Free Software Foundation; either version 2 of\n"
-" the License, or (at your option) any later version.\n"
-"\n"
-" The LZO library is distributed in the hope that it will be useful,\n"
-" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
-" GNU General Public License for more details.\n"
- );
-fprintf(fp,
-"\n"
-" You should have received a copy of the GNU General Public License\n"
-" along with the LZO library; see the file COPYING.\n"
-" If not, write to the Free Software Foundation, Inc.,\n"
-" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\n"
-"\n"
-" Markus F.X.J. Oberhumer\n"
-" <markus@oberhumer.com>\n"
-" http://www.oberhumer.com/opensource/lzo/\n"
-"\n"
- );
-#endif
-
- fflush(fp);
- exit(EXIT_OK);
-}
-
-
-/*************************************************************************
-// parse method option '-m'
-**************************************************************************/
-
-static int methods[256+1];
-static int methods_n = 0;
-
-static void add_method(int m)
-{
- int i;
-
- if (m > 0)
- {
- if (!find_method_by_id(m)) {
- fprintf(stdout,"%s: invalid method %d\n",progname,m);
- exit(EXIT_USAGE);
- }
-
- for (i = 0; i < methods_n; i++)
- if (methods[i] == m)
- return;
-
- if (methods_n >= 256)
- {
- fprintf(stderr,"%s: too many methods\n",progname);
- exit(EXIT_USAGE);
- }
-
- methods[methods_n++] = m;
- methods[methods_n] = 0;
- }
-}
-
-
-static void add_methods(const int *ml)
-{
- while (*ml != 0)
- add_method(*ml++);
-}
-
-
-static void add_all_methods(int first, int last)
-{
- int m;
-
- for (m = first; m <= last; m++)
- if (find_method_by_id(m) != NULL)
- add_method(m);
-}
-
-
-static int m_strcmp(const char *a, const char *b)
-{
- size_t n;
-
- if (a[0] == 0 || b[0] == 0)
- return 1;
- n = strlen(b);
- if (strncmp(a,b,n) == 0 && (a[n] == 0 || a[n] == ','))
- return 0;
- return 1;
-}
-
-
-static lzo_bool m_strisdigit(const char *s)
-{
- for (;;)
- {
- if (!is_digit(*s))
- return 0;
- s++;
- if (*s == 0 || *s == ',')
- break;
- }
- return 1;
-}
-
-
-static void parse_methods(const char *p)
-{
- const compress_t *c;
-
- for (;;)
- {
- if (p == NULL || p[0] == 0)
- usage(progname,-1,1);
- else if ((c = find_method_by_name(p)) != NULL)
- add_method(c->id);
- else if (m_strcmp(p,"all") == 0 || m_strcmp(p,"avail") == 0)
- add_all_methods(1,M_LAST_COMPRESSOR);
- else if (m_strcmp(p,"ALL") == 0)
- {
- add_all_methods(1,M_LAST_COMPRESSOR);
- add_all_methods(9721,9729);
- add_all_methods(9781,9789);
- }
- else if (m_strcmp(p,"lzo") == 0)
- add_all_methods(1,M_MEMCPY);
- else if (m_strcmp(p,"bench") == 0)
- add_methods(benchmark_methods);
- else if (m_strcmp(p,"m1") == 0)
- add_methods(x1_methods);
- else if (m_strcmp(p,"m99") == 0)
- add_methods(x99_methods);
- else if (m_strcmp(p,"m999") == 0)
- add_methods(x999_methods);
- else if (m_strcmp(p,"1x999") == 0)
- add_all_methods(9721,9729);
- else if (m_strcmp(p,"1y999") == 0)
- add_all_methods(9821,9829);
-#if defined(ALG_ZLIB)
- else if (m_strcmp(p,"zlib") == 0)
- add_all_methods(M_ZLIB_8_1,M_ZLIB_8_9);
-#endif
-#if defined(ALG_BZIP2)
- else if (m_strcmp(p,"bzip2") == 0)
- add_all_methods(M_BZIP2_1,M_BZIP2_9);
-#endif
-#if defined(__LZO_PROFESSIONAL__)
-# include "lzopro/t_opt_m.ch"
-#endif
- else if (m_strisdigit(p))
- add_method(atoi(p));
- else
- {
- printf("%s: invalid method '%s'\n\n",progname,p);
- exit(EXIT_USAGE);
- }
-
- while (*p && *p != ',')
- p++;
- while (*p == ',')
- p++;
- if (*p == 0)
- return;
- }
-}
-
-
-/*************************************************************************
-// options
-**************************************************************************/
-
-enum {
- OPT_LONGOPT_ONLY = 512,
- OPT_ADLER32,
- OPT_CALGARY_CORPUS,
- OPT_CLEAR_WRKMEM,
- OPT_CRC32,
- OPT_DICT,
- OPT_DUMP,
- OPT_EXECUTION_TIME,
- OPT_MAX_DATA_LEN,
- OPT_MAX_DICT_LEN,
- OPT_SILESIA_CORPUS,
- OPT_UCLOCK,
- OPT_UNUSED
-};
-
-static const struct acc_getopt_longopt_t longopts[] =
-{
- /* { name has_arg *flag val } */
- {"help", 0, 0, 'h'+256}, /* give help */
- {"license", 0, 0, 'L'}, /* display software license */
- {"quiet", 0, 0, 'q'}, /* quiet mode */
- {"verbose", 0, 0, 'v'}, /* verbose mode */
- {"version", 0, 0, 'V'+256}, /* display version number */
-
- {"adler32", 0, 0, OPT_ADLER32},
- {"calgary-corpus", 1, 0, OPT_CALGARY_CORPUS},
- {"clear-wrkmem", 0, 0, OPT_CLEAR_WRKMEM},
- {"clock", 1, 0, OPT_UCLOCK},
- {"corpus", 1, 0, OPT_CALGARY_CORPUS},
- {"crc32", 0, 0, OPT_CRC32},
- {"dict", 1, 0, OPT_DICT},
- {"dump-compressed", 1, 0, OPT_DUMP},
- {"execution-time", 0, 0, OPT_EXECUTION_TIME},
- {"max-data-length", 1, 0, OPT_MAX_DATA_LEN},
- {"max-dict-length", 1, 0, OPT_MAX_DICT_LEN},
- {"silesia-corpus", 1, 0, OPT_SILESIA_CORPUS},
- {"uclock", 1, 0, OPT_UCLOCK},
- {"methods", 1, 0, 'm'},
- {"totals", 0, 0, 'T'},
-
- { 0, 0, 0, 0 }
-};
-
-
-static int do_option(acc_getopt_p g, int optc)
-{
-#define mfx_optarg g->optarg
- switch (optc)
- {
- case 'A':
- opt_use_asm_decompressor = 1;
- break;
- case 'b':
- opt_block_size = 0; /* set to opt_max_data_len later */
- if (mfx_optarg)
- {
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_block_size = atol(mfx_optarg);
- }
- break;
- case 'c':
- case 'C':
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_c_loops = atol(mfx_optarg);
- break;
- case 'd':
- case 'D':
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_d_loops = atol(mfx_optarg);
- break;
- case 'F':
- opt_use_asm_fast_decompressor = 1;
- break;
- case 'h':
- case 'H':
- case '?':
- case 'h'+256:
- usage(progname,EXIT_OK,0);
- break;
- case 'L':
- license();
- break;
- case 'm':
- parse_methods(mfx_optarg);
- break;
- case 'n':
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_c_loops = opt_d_loops = atol(mfx_optarg);
- break;
- case 'O':
- opt_optimize_compressed_data = 1;
- break;
- case 'q':
- opt_verbose -= 1;
- break;
- case 'Q':
- opt_verbose = 0;
- break;
- case 's':
- case OPT_CALGARY_CORPUS:
- if (!mfx_optarg || !mfx_optarg[0])
- return optc;
- opt_corpus_path = mfx_optarg;
- opt_corpus = calgary_corpus;
- break;
- case OPT_SILESIA_CORPUS:
- if (!mfx_optarg || !mfx_optarg[0])
- return optc;
- opt_corpus_path = mfx_optarg;
- opt_corpus = silesia_corpus;
- break;
- case 'S':
- opt_use_safe_decompressor = 1;
- break;
- case 'T':
- opt_totals += 1;
- break;
- case 'v':
- opt_verbose += 1;
- break;
- case 'V':
- case 'V'+256:
- exit(EXIT_OK);
- break;
- case '@':
- opt_read_from_stdin = 1;
- break;
-
- case '1': case '2': case '3': case '4': case '5':
- case '6': case '7': case '8': case '9':
- /* this is a dirty hack... */
- if (g->shortpos == 0) {
- char m[2]; m[0] = (char) optc; m[1] = 0;
- parse_methods(m);
- } else {
- const char *m = &g->argv[g->optind][g->shortpos-1];
- parse_methods(m);
- ++g->optind; g->shortpos = 0;
- }
- break;
-
- case OPT_ADLER32:
- opt_compute_adler32 = 1;
- break;
- case OPT_CLEAR_WRKMEM:
- opt_clear_wrkmem = 1;
- break;
- case OPT_CRC32:
- opt_compute_crc32 = 1;
- break;
- case OPT_DICT:
- opt_dict = 1;
- opt_dictionary_file = mfx_optarg;
- break;
- case OPT_EXECUTION_TIME:
- opt_execution_time = 1;
- break;
- case OPT_DUMP:
- opt_dump_compressed_data = mfx_optarg;
- break;
- case OPT_MAX_DATA_LEN:
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_max_data_len = atol(mfx_optarg);
- break;
- case OPT_MAX_DICT_LEN:
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_max_dict_len = atol(mfx_optarg);
- break;
- case OPT_UCLOCK:
- if (!mfx_optarg || !is_digit(mfx_optarg[0]))
- return optc;
- opt_uclock = atoi(mfx_optarg);
-#if defined(__ACCLIB_PCLOCK_CH_INCLUDED)
- if (opt_uclock > 0)
- uch.mode = opt_uclock;
-#endif
- break;
-
- case '\0':
- return -1;
- case ':':
- return -2;
- default:
- fprintf(stderr,"%s: internal error in getopt (%d)\n",progname,optc);
- return -3;
- }
- return 0;
-#undef mfx_optarg
-}
-
-
-static void handle_opterr(acc_getopt_p g, const char *f, void *v)
-{
- struct A { va_list ap; };
- struct A *a = (struct A *) v;
- fprintf( stderr, "%s: ", g->progname);
- if (a)
- vfprintf(stderr, f, a->ap);
- else
- fprintf( stderr, "UNKNOWN GETOPT ERROR");
- fprintf( stderr, "\n");
-}
-
-
-static int get_options(int argc, char **argv)
-{
- acc_getopt_t mfx_getopt;
- int optc;
- static const char shortopts[] =
- "Ab::c:C:d:D:FhHLm::n:OqQs:STvV@123456789";
-
- acc_getopt_init(&mfx_getopt, 1, argc, argv);
- mfx_getopt.progname = progname;
- mfx_getopt.opterr = handle_opterr;
- while ((optc = acc_getopt(&mfx_getopt, shortopts, longopts, NULL)) >= 0)
- {
- if (do_option(&mfx_getopt, optc) != 0)
- exit(EXIT_USAGE);
- }
-
- return mfx_getopt.optind;
-}
-
-
-/*************************************************************************
-// main
-**************************************************************************/
-
-int __lzo_cdecl_main main(int argc, char *argv[])
-{
- int r = EXIT_OK;
- int i, ii;
- int m;
- time_t t_total;
- const char *s;
-
- lzo_wildargv(&argc, &argv);
- lzo_uclock_open(&uch);
-
- progname = argv[0];
- for (s = progname; *s; s++)
- if ((*s == '/' || *s == '\\') && s[1])
- progname = s + 1;
-
-#if defined(__LZO_PROFESSIONAL__)
- printf("\nLZO Professional real-time data compression library (v%s, %s).\n",
- lzo_version_string(), lzo_version_date());
- printf("Copyright (C) 1996-2011 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n");
-#else
- printf("\nLZO real-time data compression library (v%s, %s).\n",
- lzo_version_string(), lzo_version_date());
- printf("Copyright (C) 1996-2011 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n");
-#endif
-
-
-/*
- * 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");
- exit(1);
- }
-
-
-/*
- * Step 2: setup default options
- */
-
- opt_max_data_len = 64 * 1024L * 1024L;
- opt_block_size = 256 * 1024L;
-
-#if defined(LZO_ARCH_I086) && defined(ACC_MM_AHSHIFT)
-# if 1 && defined(LZO_ARCH_I086PM) && defined(BLX286)
- opt_max_data_len = 32 * 1024L * 1024L;
-# else
- opt_max_data_len = 14 * 1024L * 1024L;
-# endif
- /* reduce memory requirements for ancient 16-bit DOS 640kB real-mode */
- if (ACC_MM_AHSHIFT != 3) {
- opt_max_data_len = 16 * 1024L;
- }
-#elif defined(LZO_OS_TOS)
- /* reduce memory requirements for 14 MB machines */
- opt_max_data_len = 8 * 1024L * 1024L;
-#endif
-
-
-
-/*
- * Step 3: parse options
- */
-
- if (argc < 2)
- usage(progname,-1,0);
- i = get_options(argc,argv);
-
- if (methods_n == 0)
- add_method(default_method);
- if (methods_n > 1 && opt_read_from_stdin)
- {
- printf("%s: cannot use multiple methods and '-@'\n", progname);
- exit(EXIT_USAGE);
- }
-
- if (opt_block_size == 0)
- opt_block_size = opt_max_data_len;
- if (opt_block_size > opt_max_data_len)
- opt_block_size = opt_max_data_len;
-
- if (opt_c_loops < 1)
- opt_c_loops = 1;
- if (opt_d_loops < 1)
- opt_d_loops = 1;
-
-
-/*
- * Step 4: start work
- */
-
- block_w.len = 0;
- for (ii = 0; ii < methods_n; ii++) {
- const compress_t *c = find_method_by_id(methods[ii]);
- assert(c != NULL);
- if (c->mem_compress > block_w.len)
- block_w.len = c->mem_compress;
- if (c->mem_decompress > block_w.len)
- block_w.len = c->mem_decompress;
- }
-
- mb_alloc(&block_w, block_w.len);
- lzo_memset(block_w.ptr, 0, block_w.len);
-
-#if !defined(__LZO_CHECKER)
- mb_alloc_extra(&block_c, opt_block_size + get_max_compression_expansion(-1, opt_block_size), 16, 16);
- mb_alloc_extra(&block_d, opt_block_size + get_max_decompression_overrun(-1, opt_block_size), 16, 16);
-#endif
-
- if (opt_dict)
- {
- opt_optimize_compressed_data = 0;
- dict_alloc(opt_max_dict_len);
- if (opt_dictionary_file)
- {
- dict_load(opt_dictionary_file);
- if (dict.len > 0)
- printf("Using dictionary '%s', %lu bytes, ID 0x%08lx.\n",
- opt_dictionary_file,
- (unsigned long) dict.len, (unsigned long) dict.adler);
- }
- if (dict.len == 0)
- {
- dict_set_default();
- printf("Using default dictionary, %lu bytes, ID 0x%08lx.\n",
- (unsigned long) dict.len, (unsigned long) dict.adler);
- }
- }
-
- t_total = time(NULL);
- ii = i;
- for (m = 0; m < methods_n && r == EXIT_OK; m++)
- {
- int method = methods[m];
-
- i = ii;
- if (i >= argc && opt_corpus_path == NULL && !opt_read_from_stdin)
- usage(progname,-1,0);
- if (m == 0 && opt_verbose >= 1)
- printf("%lu block-size\n\n", (unsigned long) opt_block_size);
-
- assert(find_method_by_id(method) != NULL);
-
- if (opt_corpus_path != NULL)
- r = do_corpus(opt_corpus, method, opt_corpus_path,
- opt_c_loops, opt_d_loops);
- else
- {
- for ( ; i < argc && r == EXIT_OK; i++)
- {
- r = do_file(method,argv[i],opt_c_loops,opt_d_loops,NULL,NULL);
- if (r == EXIT_FILE) /* ignore file errors */
- r = EXIT_OK;
- }
- if (opt_read_from_stdin)
- {
- char buf[512], *p;
-
- while (r == EXIT_OK && fgets(buf,sizeof(buf)-1,stdin) != NULL)
- {
- buf[sizeof(buf)-1] = 0;
- p = buf + strlen(buf);
- while (p > buf && is_space(p[-1]))
- *--p = 0;
- p = buf;
- while (*p && is_space(*p))
- p++;
- if (*p)
- r = do_file(method,p,opt_c_loops,opt_d_loops,NULL,NULL);
- if (r == EXIT_FILE) /* ignore file errors */
- r = EXIT_OK;
- }
- opt_read_from_stdin = 0;
- }
- }
- }
- t_total = time(NULL) - t_total;
-
- if (opt_totals)
- print_totals();
- if (opt_execution_time || (methods_n > 1 && opt_verbose >= 1))
- printf("\n%s: execution time: %lu seconds\n", progname, (unsigned long) t_total);
- if (r != EXIT_OK)
- printf("\n%s: exit code: %d\n", progname, r);
-
- lzo_uclock_close(&uch);
- return r;
-}
-
-
-/*
-vi:ts=4:et
-*/
-