diff options
Diffstat (limited to 'bitmask_android/lzo/examples')
| -rw-r--r-- | bitmask_android/lzo/examples/.deps/dict.Po | 1 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/.deps/lzopack.Po | 1 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/.deps/overlap.Po | 1 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/.deps/precomp.Po | 1 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/.deps/precomp2.Po | 1 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/.deps/simple.Po | 1 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/Makefile.am | 21 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/Makefile.in | 491 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/dict.c | 281 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/lzopack.c | 645 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/overlap.c | 322 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/portab.h | 187 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/portab_a.h | 140 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/precomp.c | 349 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/precomp2.c | 401 | ||||
| -rw-r--r-- | bitmask_android/lzo/examples/simple.c | 173 |
16 files changed, 3016 insertions, 0 deletions
diff --git a/bitmask_android/lzo/examples/.deps/dict.Po b/bitmask_android/lzo/examples/.deps/dict.Po new file mode 100644 index 00000000..9ce06a81 --- /dev/null +++ b/bitmask_android/lzo/examples/.deps/dict.Po @@ -0,0 +1 @@ +# dummy diff --git a/bitmask_android/lzo/examples/.deps/lzopack.Po b/bitmask_android/lzo/examples/.deps/lzopack.Po new file mode 100644 index 00000000..9ce06a81 --- /dev/null +++ b/bitmask_android/lzo/examples/.deps/lzopack.Po @@ -0,0 +1 @@ +# dummy diff --git a/bitmask_android/lzo/examples/.deps/overlap.Po b/bitmask_android/lzo/examples/.deps/overlap.Po new file mode 100644 index 00000000..9ce06a81 --- /dev/null +++ b/bitmask_android/lzo/examples/.deps/overlap.Po @@ -0,0 +1 @@ +# dummy diff --git a/bitmask_android/lzo/examples/.deps/precomp.Po b/bitmask_android/lzo/examples/.deps/precomp.Po new file mode 100644 index 00000000..9ce06a81 --- /dev/null +++ b/bitmask_android/lzo/examples/.deps/precomp.Po @@ -0,0 +1 @@ +# dummy diff --git a/bitmask_android/lzo/examples/.deps/precomp2.Po b/bitmask_android/lzo/examples/.deps/precomp2.Po new file mode 100644 index 00000000..9ce06a81 --- /dev/null +++ b/bitmask_android/lzo/examples/.deps/precomp2.Po @@ -0,0 +1 @@ +# dummy diff --git a/bitmask_android/lzo/examples/.deps/simple.Po b/bitmask_android/lzo/examples/.deps/simple.Po new file mode 100644 index 00000000..9ce06a81 --- /dev/null +++ b/bitmask_android/lzo/examples/.deps/simple.Po @@ -0,0 +1 @@ +# dummy diff --git a/bitmask_android/lzo/examples/Makefile.am b/bitmask_android/lzo/examples/Makefile.am new file mode 100644 index 00000000..2c5b527e --- /dev/null +++ b/bitmask_android/lzo/examples/Makefile.am @@ -0,0 +1,21 @@ +## Process this file with automake to create Makefile.in +# +# Copyright (C) 1996-2008 Markus F.X.J. Oberhumer +# + +INCLUDES = -I$(top_srcdir)/include -I$(top_srcdir) + +noinst_PROGRAMS = dict lzopack overlap precomp precomp2 simple + +dict_SOURCES = dict.c +lzopack_SOURCES = lzopack.c +overlap_SOURCES = overlap.c +precomp_SOURCES = precomp.c +precomp2_SOURCES = precomp2.c +simple_SOURCES = simple.c + +LDADD = ../src/liblzo2.la +DEPENDENCIES = ../src/liblzo2.la + +EXTRA_DIST = portab.h portab_a.h + diff --git a/bitmask_android/lzo/examples/Makefile.in b/bitmask_android/lzo/examples/Makefile.in new file mode 100644 index 00000000..4199078b --- /dev/null +++ b/bitmask_android/lzo/examples/Makefile.in @@ -0,0 +1,491 @@ +# Makefile.in generated by automake 1.9.6 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# +# Copyright (C) 1996-2008 Markus F.X.J. Oberhumer +# + +srcdir = @srcdir@ +top_srcdir = @top_srcdir@ +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +top_builddir = .. +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +INSTALL = @INSTALL@ +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +target_triplet = @target@ +noinst_PROGRAMS = dict$(EXEEXT) lzopack$(EXEEXT) overlap$(EXEEXT) \ + precomp$(EXEEXT) precomp2$(EXEEXT) simple$(EXEEXT) +subdir = examples +DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/configure.ac +am__configure_deps = 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+clean-am: clean-generic clean-libtool clean-noinstPROGRAMS \ + mostlyclean-am + +distclean: distclean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-libtool distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +info: info-am + +info-am: + +install-data-am: + +install-exec-am: + +install-info: install-info-am + +install-man: + +installcheck-am: + +maintainer-clean: maintainer-clean-am + -rm -rf ./$(DEPDIR) + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-info-am + +.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \ + clean-libtool clean-noinstPROGRAMS ctags distclean \ + distclean-compile distclean-generic distclean-libtool \ + distclean-tags distdir dvi dvi-am html html-am info info-am \ + install install-am install-data install-data-am install-exec \ + install-exec-am install-info install-info-am install-man \ + install-strip installcheck installcheck-am installdirs \ + maintainer-clean maintainer-clean-generic mostlyclean \ + mostlyclean-compile mostlyclean-generic mostlyclean-libtool \ + pdf pdf-am ps ps-am tags uninstall uninstall-am \ + uninstall-info-am + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/bitmask_android/lzo/examples/dict.c b/bitmask_android/lzo/examples/dict.c new file mode 100644 index 00000000..04db2453 --- /dev/null +++ b/bitmask_android/lzo/examples/dict.c @@ -0,0 +1,281 @@ +/* dict.c -- example program: how to use preset dictionaries + + 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/ + */ + + +/************************************************************************* +// This program shows how to use preset dictionaries. +// +// Please study LZO.FAQ and simple.c first. +**************************************************************************/ + +#include "lzo/lzoconf.h" +#include "lzo/lzo1x.h" + +/* portability layer */ +static const char *progname = NULL; +#define WANT_LZO_MALLOC 1 +#define WANT_LZO_FREAD 1 +#define WANT_LZO_WILDARGV 1 +#define WANT_XMALLOC 1 +#include "examples/portab.h" + + +#define DICT_LEN 0xbfff +static lzo_bytep dict; +static lzo_uint dict_len = 0; +static lzo_uint32 dict_adler32; + + +/************************************************************************* +// +**************************************************************************/ + +static lzo_uint total_n = 0; +static lzo_uint total_c_len = 0; +static lzo_uint total_d_len = 0; + +static void print_file ( const char *name, lzo_uint d_len, lzo_uint c_len ) +{ + double perc; + + perc = (d_len > 0) ? c_len * 100.0 / d_len : 0; + printf(" | %-30s %9ld -> %9ld %7.2f%% |\n", + name, (long) d_len, (long) c_len, perc); + + total_n++; + total_c_len += c_len; + total_d_len += d_len; +} + + +/************************************************************************* +// +**************************************************************************/ + +int do_file ( const char *in_name, int compression_level ) +{ + int r; + lzo_bytep in; + lzo_bytep out; + lzo_bytep newb; + lzo_voidp wrkmem; + lzo_uint in_len; + lzo_uint out_len; + lzo_uint new_len; + long l; + FILE *fp; + +/* + * Step 1: open the input file + */ + fp = fopen(in_name,"rb"); + if (fp == 0) + { + printf("%s: cannot open file %s\n", progname, in_name); + return 0; /* no error */ + } + fseek(fp, 0, SEEK_END); + l = ftell(fp); + fseek(fp, 0, SEEK_SET); + if (l <= 0) + { + printf("%s: %s: empty file -- skipping\n", progname, in_name); + fclose(fp); fp = NULL; + return 0; + } + in_len = (lzo_uint) l; + +/* + * Step 2: allocate compression buffers and read the file + */ + in = (lzo_bytep) xmalloc(in_len); + out = (lzo_bytep) xmalloc(in_len + in_len / 16 + 64 + 3); + newb = (lzo_bytep) xmalloc(in_len); + wrkmem = (lzo_voidp) xmalloc(LZO1X_999_MEM_COMPRESS); + if (in == NULL || out == NULL || newb == NULL || wrkmem == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + in_len = (lzo_uint) lzo_fread(fp, in, in_len); + fclose(fp); fp = NULL; + +/* + * Step 3: compress from 'in' to 'out' with LZO1X-999 + */ + r = lzo1x_999_compress_level(in,in_len,out,&out_len,wrkmem, + dict, dict_len, 0, compression_level); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + return 1; + } + + print_file(in_name,in_len,out_len); + +/* + * Step 4: decompress again, now going from 'out' to 'newb' + */ + new_len = in_len; + r = lzo1x_decompress_dict_safe(out,out_len,newb,&new_len,NULL,dict,dict_len); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("internal error - decompression failed: %d\n", r); + return 1; + } + +/* + * Step 5: verify decompression + */ + if (new_len != in_len || lzo_memcmp(in,newb,in_len) != 0) + { + /* this should NEVER happen */ + printf("internal error - decompression data error\n"); + return 1; + } + + /* free buffers in reverse order to help malloc() */ + lzo_free(wrkmem); + lzo_free(newb); + lzo_free(out); + lzo_free(in); + return 0; +} + + +/************************************************************************* +// +**************************************************************************/ + +int __lzo_cdecl_main main(int argc, char *argv[]) +{ + int i = 1; + int r; + const char *dict_name; + FILE *fp; + time_t t_total; + int compression_level = 7; + + lzo_wildargv(&argc, &argv); + + 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"); + + progname = argv[0]; + + if (i < argc && argv[i][0] == '-' && isdigit(argv[i][1])) + compression_level = atoi(&argv[i++][1]); + + if (i + 1 >= argc || compression_level < 1 || compression_level > 9) + { + printf("usage: %s [-level] [ dictionary-file | -n ] file...\n", progname); + exit(1); + } + printf("Compression level is LZO1X-999/%d\n", compression_level); + +/* + * 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: prepare the dictionary + */ + dict = (lzo_bytep) xmalloc(DICT_LEN); + if (dict == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + dict_name = argv[i++]; + if (strcmp(dict_name,"-n") == 0) + { + dict_name = "empty"; + dict_len = 0; + } + else + { + fp = fopen(dict_name,"rb"); + if (!fp) + { + printf("%s: cannot open dictionary file %s\n", progname, dict_name); + exit(1); + } + dict_len = (lzo_uint) lzo_fread(fp, dict, DICT_LEN); + fclose(fp); fp = NULL; + } + + dict_adler32 = lzo_adler32(0,NULL,0); + dict_adler32 = lzo_adler32(dict_adler32,dict,dict_len); + printf("Using dictionary '%s', %ld bytes, ID 0x%08lx.\n", + dict_name, (long) dict_len, (long) dict_adler32); + +/* + * Step 3: process files + */ + t_total = time(NULL); + for (r = 0; r == 0 && i < argc; i++) + r = do_file(argv[i], compression_level); + t_total = time(NULL) - t_total; + + lzo_free(dict); + + if (total_n > 1) + print_file("***TOTALS***",total_d_len,total_c_len); + + printf("Dictionary compression test %s, execution time %lu seconds.\n", + r == 0 ? "passed" : "FAILED", (unsigned long) t_total); + return r; +} + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/lzopack.c b/bitmask_android/lzo/examples/lzopack.c new file mode 100644 index 00000000..e4e745df --- /dev/null +++ b/bitmask_android/lzo/examples/lzopack.c @@ -0,0 +1,645 @@ +/* lzopack.c -- LZO example program: a simple file packer + + 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/ + */ + + +/************************************************************************* +// NOTE: this is an example program, so do not use to backup your data. +// +// This program lacks things like sophisticated file handling but is +// pretty complete regarding compression - it should provide a good +// starting point for adaption for your applications. +// +// Please study LZO.FAQ and simple.c first. +**************************************************************************/ + +#include "lzo/lzoconf.h" +#include "lzo/lzo1x.h" + +/* portability layer */ +static const char *progname = NULL; +#define WANT_LZO_MALLOC 1 +#define WANT_LZO_FREAD 1 +#define WANT_LZO_WILDARGV 1 +#define WANT_XMALLOC 1 +#include "examples/portab.h" + + +static unsigned long total_in = 0; +static unsigned long total_out = 0; +static lzo_bool opt_debug = 0; + +/* magic file header for lzopack-compressed files */ +static const unsigned char magic[7] = + { 0x00, 0xe9, 0x4c, 0x5a, 0x4f, 0xff, 0x1a }; + + +/************************************************************************* +// file IO +**************************************************************************/ + +lzo_uint xread(FILE *fp, lzo_voidp buf, lzo_uint len, lzo_bool allow_eof) +{ + lzo_uint l; + + l = (lzo_uint) lzo_fread(fp, buf, len); + if (l > len) + { + fprintf(stderr, "\nsomething's wrong with your C library !!!\n"); + exit(1); + } + if (l != len && !allow_eof) + { + fprintf(stderr, "\nread error - premature end of file\n"); + exit(1); + } + total_in += (unsigned long) l; + return l; +} + +lzo_uint xwrite(FILE *fp, const lzo_voidp buf, lzo_uint len) +{ + if (fp != NULL && lzo_fwrite(fp, buf, len) != len) + { + fprintf(stderr, "\nwrite error (disk full ?)\n"); + exit(1); + } + total_out += (unsigned long) len; + return len; +} + + +int xgetc(FILE *fp) +{ + unsigned char c; + xread(fp, (lzo_voidp) &c, 1, 0); + return c; +} + +void xputc(FILE *fp, int c) +{ + unsigned char cc = (unsigned char) (c & 0xff); + xwrite(fp, (const lzo_voidp) &cc, 1); +} + +/* read and write portable 32-bit integers */ + +lzo_uint32 xread32(FILE *fp) +{ + unsigned char b[4]; + lzo_uint32 v; + + xread(fp, b, 4, 0); + v = (lzo_uint32) b[3] << 0; + v |= (lzo_uint32) b[2] << 8; + v |= (lzo_uint32) b[1] << 16; + v |= (lzo_uint32) b[0] << 24; + return v; +} + +void xwrite32(FILE *fp, lzo_xint v) +{ + unsigned char b[4]; + + b[3] = (unsigned char) ((v >> 0) & 0xff); + b[2] = (unsigned char) ((v >> 8) & 0xff); + b[1] = (unsigned char) ((v >> 16) & 0xff); + b[0] = (unsigned char) ((v >> 24) & 0xff); + xwrite(fp, b, 4); +} + + +/************************************************************************* +// compress +// +// possible improvement: we could use overlapping compression to +// save some memory - see overlap.c. This would require some minor +// changes in the decompression code as well, because if a block +// turns out to be incompressible we would still have to store it in its +// "compressed" (i.e. then slightly enlarged) form because the original +// (uncompressed) data would have been lost during the overlapping +// compression. +**************************************************************************/ + +int do_compress(FILE *fi, FILE *fo, int compression_level, lzo_uint block_size) +{ + int r = 0; + lzo_bytep in = NULL; + lzo_bytep out = NULL; + lzo_voidp wrkmem = NULL; + lzo_uint in_len; + lzo_uint out_len; + lzo_uint32 wrk_len = 0; + lzo_uint32 flags = 1; /* do compute a checksum */ + int method = 1; /* compression method: LZO1X */ + lzo_uint32 checksum; + + total_in = total_out = 0; + +/* + * Step 1: write magic header, flags & block size, init checksum + */ + xwrite(fo, magic, sizeof(magic)); + xwrite32(fo, flags); + xputc(fo, method); /* compression method */ + xputc(fo, compression_level); /* compression level */ + xwrite32(fo, block_size); + checksum = lzo_adler32(0, NULL, 0); + +/* + * Step 2: allocate compression buffers and work-memory + */ + in = (lzo_bytep) xmalloc(block_size); + out = (lzo_bytep) xmalloc(block_size + block_size / 16 + 64 + 3); + if (compression_level == 9) + wrk_len = LZO1X_999_MEM_COMPRESS; + else + wrk_len = LZO1X_1_MEM_COMPRESS; + wrkmem = (lzo_voidp) xmalloc(wrk_len); + if (in == NULL || out == NULL || wrkmem == NULL) + { + printf("%s: out of memory\n", progname); + r = 1; + goto err; + } + +/* + * Step 3: process blocks + */ + for (;;) + { + /* read block */ + in_len = xread(fi, in, block_size, 1); + if (in_len == 0) + break; + + /* update checksum */ + if (flags & 1) + checksum = lzo_adler32(checksum, in, in_len); + + /* clear wrkmem (not needed, only for debug/benchmark purposes) */ + if (opt_debug) + lzo_memset(wrkmem, 0xff, wrk_len); + + /* compress block */ + if (compression_level == 9) + r = lzo1x_999_compress(in, in_len, out, &out_len, wrkmem); + else + r = lzo1x_1_compress(in, in_len, out, &out_len, wrkmem); + if (r != LZO_E_OK || out_len > in_len + in_len / 16 + 64 + 3) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + r = 2; + goto err; + } + + /* write uncompressed block size */ + xwrite32(fo, in_len); + + if (out_len < in_len) + { + /* write compressed block */ + xwrite32(fo, out_len); + xwrite(fo, out, out_len); + } + else + { + /* not compressible - write uncompressed block */ + xwrite32(fo, in_len); + xwrite(fo, in, in_len); + } + } + + /* write EOF marker */ + xwrite32(fo, 0); + + /* write checksum */ + if (flags & 1) + xwrite32(fo, checksum); + + r = 0; +err: + lzo_free(wrkmem); + lzo_free(out); + lzo_free(in); + return r; +} + + +/************************************************************************* +// decompress / test +// +// We are using overlapping (in-place) decompression to save some +// memory - see overlap.c. +**************************************************************************/ + +int do_decompress(FILE *fi, FILE *fo) +{ + int r = 0; + lzo_bytep buf = NULL; + lzo_uint buf_len; + unsigned char m [ sizeof(magic) ]; + lzo_uint32 flags; + int method; + int compression_level; + lzo_uint block_size; + lzo_uint32 checksum; + + total_in = total_out = 0; + +/* + * Step 1: check magic header, read flags & block size, init checksum + */ + if (xread(fi, m, sizeof(magic),1) != sizeof(magic) || + memcmp(m, magic, sizeof(magic)) != 0) + { + printf("%s: header error - this file is not compressed by lzopack\n", progname); + r = 1; + goto err; + } + flags = xread32(fi); + method = xgetc(fi); + compression_level = xgetc(fi); + if (method != 1) + { + printf("%s: header error - invalid method %d (level %d)\n", + progname, method, compression_level); + r = 2; + goto err; + } + block_size = xread32(fi); + if (block_size < 1024 || block_size > 8*1024*1024L) + { + printf("%s: header error - invalid block size %ld\n", + progname, (long) block_size); + r = 3; + goto err; + } + checksum = lzo_adler32(0,NULL,0); + +/* + * Step 2: allocate buffer for in-place decompression + */ + buf_len = block_size + block_size / 16 + 64 + 3; + buf = (lzo_bytep) xmalloc(buf_len); + if (buf == NULL) + { + printf("%s: out of memory\n", progname); + r = 4; + goto err; + } + +/* + * Step 3: process blocks + */ + for (;;) + { + lzo_bytep in; + lzo_bytep out; + lzo_uint in_len; + lzo_uint out_len; + + /* read uncompressed size */ + out_len = xread32(fi); + + /* exit if last block (EOF marker) */ + if (out_len == 0) + break; + + /* read compressed size */ + in_len = xread32(fi); + + /* sanity check of the size values */ + if (in_len > block_size || out_len > block_size || + in_len == 0 || in_len > out_len) + { + printf("%s: block size error - data corrupted\n", progname); + r = 5; + goto err; + } + + /* place compressed block at the top of the buffer */ + in = buf + buf_len - in_len; + out = buf; + + /* read compressed block data */ + xread(fi, in, in_len, 0); + + if (in_len < out_len) + { + /* decompress - use safe decompressor as data might be corrupted + * during a file transfer */ + lzo_uint new_len = out_len; + + r = lzo1x_decompress_safe(in, in_len, out, &new_len, NULL); + if (r != LZO_E_OK || new_len != out_len) + { + printf("%s: compressed data violation\n", progname); + r = 6; + goto err; + } + /* write decompressed block */ + xwrite(fo, out, out_len); + /* update checksum */ + if (flags & 1) + checksum = lzo_adler32(checksum, out, out_len); + } + else + { + /* write original (incompressible) block */ + xwrite(fo, in, in_len); + /* update checksum */ + if (flags & 1) + checksum = lzo_adler32(checksum, in, in_len); + } + } + + /* read and verify checksum */ + if (flags & 1) + { + lzo_uint32 c = xread32(fi); + if (c != checksum) + { + printf("%s: checksum error - data corrupted\n", progname); + r = 7; + goto err; + } + } + + r = 0; +err: + lzo_free(buf); + return r; +} + + +/************************************************************************* +// +**************************************************************************/ + +static void usage(void) +{ + printf("usage: %s [-9] input-file output-file (compress)\n", progname); + printf("usage: %s -d input-file output-file (decompress)\n", progname); + printf("usage: %s -t input-file... (test)\n", progname); + exit(1); +} + + +/* open input file */ +static FILE *xopen_fi(const char *name) +{ + FILE *fp; + + fp = fopen(name, "rb"); + if (fp == NULL) + { + printf("%s: cannot open input file %s\n", progname, name); + exit(1); + } +#if defined(HAVE_STAT) && defined(S_ISREG) + { + struct stat st; + int is_regular = 1; + if (stat(name, &st) != 0 || !S_ISREG(st.st_mode)) + is_regular = 0; + if (!is_regular) + { + printf("%s: %s is not a regular file\n", progname, name); + fclose(fp); fp = NULL; + exit(1); + } + } +#endif + return fp; +} + + +/* open output file */ +static FILE *xopen_fo(const char *name) +{ + FILE *fp; + +#if 0 + /* this is an example program, so make sure we don't overwrite a file */ + fp = fopen(name, "rb"); + if (fp != NULL) + { + printf("%s: file %s already exists -- not overwritten\n", progname, name); + fclose(fp); fp = NULL; + exit(1); + } +#endif + fp = fopen(name, "wb"); + if (fp == NULL) + { + printf("%s: cannot open output file %s\n", progname, name); + exit(1); + } + return fp; +} + + +/* close file */ +static void xclose(FILE *fp) +{ + if (fp) + { + int err; + err = ferror(fp); + if (fclose(fp) != 0) + err = 1; + if (err) + { + printf("%s: error while closing file\n", progname); + exit(1); + } + } +} + + +/************************************************************************* +// +**************************************************************************/ + +int __lzo_cdecl_main main(int argc, char *argv[]) +{ + int i = 1; + int r = 0; + FILE *fi = NULL; + FILE *fo = NULL; + const char *in_name = NULL; + const char *out_name = NULL; + unsigned opt_decompress = 0; + unsigned opt_test = 0; + int opt_compression_level = 1; + lzo_uint opt_block_size; + const char *s; + + lzo_wildargv(&argc, &argv); + + progname = argv[0]; + for (s = progname; *s; s++) + if ((*s == '/' || *s == '\\') && s[1]) + progname = s + 1; + + 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"); + +#if 0 + printf( +"*** DISCLAIMER ***\n" +" This is an example program, do not use to backup your data !\n" +" Get LZOP if you're interested into a full-featured packer.\n" +" See http://www.oberhumer.com/opensource/lzop/\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 memory + */ + opt_block_size = 256 * 1024L; + +#if defined(ACC_MM_AHSHIFT) + /* reduce memory requirements for ancient 16-bit DOS 640kB real-mode */ + if (ACC_MM_AHSHIFT != 3) + opt_block_size = 16 * 1024L; +#endif + + +/* + * Step 3: get options + */ + + while (i < argc && argv[i][0] == '-') + { + if (strcmp(argv[i],"-d") == 0) + opt_decompress = 1; + else if (strcmp(argv[i],"-t") == 0) + opt_test = 1; + else if (strcmp(argv[i],"-9") == 0) + opt_compression_level = 9; + else if (argv[i][1] == 'b' && argv[i][2]) + { + long b = atol(&argv[i][2]); + if (b >= 1024L && b <= 8*1024*1024L) + opt_block_size = (lzo_uint) b; + else + { + printf("%s: invalid block_size in option '%s'.\n", progname, argv[i]); + usage(); + } + } + else if (strcmp(argv[i],"--debug") == 0) + opt_debug += 1; + else + usage(); + i++; + } + if (opt_test && i >= argc) + usage(); + if (!opt_test && i + 2 != argc) + usage(); + + +/* + * Step 4: process file(s) + */ + + if (opt_test) + { + while (i < argc && r == 0) + { + in_name = argv[i++]; + fi = xopen_fi(in_name); + r = do_decompress(fi, NULL); + if (r == 0) + printf("%s: %s tested ok (%lu -> %lu bytes)\n", + progname, in_name, total_in, total_out); + xclose(fi); fi = NULL; + } + } + else if (opt_decompress) + { + in_name = argv[i++]; + out_name = argv[i++]; + fi = xopen_fi(in_name); + fo = xopen_fo(out_name); + r = do_decompress(fi, fo); + if (r == 0) + printf("%s: decompressed %lu into %lu bytes\n", + progname, total_in, total_out); + } + else /* compress */ + { + in_name = argv[i++]; + out_name = argv[i++]; + fi = xopen_fi(in_name); + fo = xopen_fo(out_name); + r = do_compress(fi, fo, opt_compression_level, opt_block_size); + if (r == 0) + printf("%s: compressed %lu into %lu bytes\n", + progname, total_in, total_out); + } + + xclose(fi); fi = NULL; + xclose(fo); fo = NULL; + return r; +} + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/overlap.c b/bitmask_android/lzo/examples/overlap.c new file mode 100644 index 00000000..b2337680 --- /dev/null +++ b/bitmask_android/lzo/examples/overlap.c @@ -0,0 +1,322 @@ +/* overlap.c -- example program: overlapping (de)compression + + 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/ + */ + + +/************************************************************************* +// This program shows how to do overlapping compression and +// in-place decompression. +// +// Please study LZO.FAQ and simple.c first. +**************************************************************************/ + +#include "lzo/lzoconf.h" +#include "lzo/lzo1x.h" + +/* portability layer */ +static const char *progname = NULL; +#define WANT_LZO_MALLOC 1 +#define WANT_LZO_FREAD 1 +#define WANT_LZO_WILDARGV 1 +#define WANT_XMALLOC 1 +#include "examples/portab.h" + + +/* Overhead (in bytes) for the in-place decompression buffer. + * Most files need only 16 ! + * (try 'overlap -16 file' or even 'overlap -8 file') + * + * Worst case (for files that are compressible by only a few bytes) + * is 'in_len / 16 + 64 + 3'. See step 5a) below. + * + * For overlapping compression '0xbfff + in_len / 16 + 64 + 3' bytes + * will be needed. See step 4a) below. + */ + +static lzo_uint opt_overhead = 0; /* assume worst case */ + + +#if 0 && defined(LZO_USE_ASM) + /* just for testing */ +# include <lzo_asm.h> +# define lzo1x_decompress lzo1x_decompress_asm_fast +#endif + + +static unsigned long total_files = 0; +static unsigned long total_in = 0; + + +/************************************************************************* +// +**************************************************************************/ + +int do_file ( const char *in_name ) +{ + int r; + FILE *fp = NULL; + long l; + + lzo_voidp wrkmem = NULL; + + lzo_bytep in = NULL; + lzo_uint in_len; /* uncompressed length */ + + lzo_bytep out = NULL; + lzo_uint out_len; /* compressed length */ + + lzo_bytep overlap = NULL; + lzo_uint overhead; + lzo_uint offset; + + lzo_uint new_len = 0; + +/* + * Step 1: open the input file + */ + fp = fopen(in_name, "rb"); + if (fp == NULL) + { + printf("%s: %s: cannot open file\n", progname, in_name); + goto next_file; + } + fseek(fp, 0, SEEK_END); + l = ftell(fp); + fseek(fp, 0, SEEK_SET); + if (l <= 0) + { + printf("%s: %s: empty file -- skipping\n", progname, in_name); + goto next_file; + } + in_len = (lzo_uint) l; + +/* + * Step 2: allocate compression buffers and read the file + */ + in = (lzo_bytep) xmalloc(in_len); + out = (lzo_bytep) xmalloc(in_len + in_len / 16 + 64 + 3); + wrkmem = (lzo_voidp) xmalloc(LZO1X_1_MEM_COMPRESS); + in_len = (lzo_uint) lzo_fread(fp, in, in_len); + fclose(fp); fp = NULL; + printf("%s: %s: read %lu bytes\n", progname, in_name, (unsigned long) in_len); + + total_files++; + total_in += (unsigned long) 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 || out_len > in_len + in_len / 16 + 64 + 3) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + exit(1); + } + printf("%-26s %8lu -> %8lu\n", "LZO1X-1:", (unsigned long) in_len, (unsigned long) out_len); + + +/***** Step 4: overlapping compression *****/ + +/* + * Step 4a: allocate the 'overlap' buffer for overlapping compression + */ + overhead = in_len > 0xbfff ? 0xbfff : in_len; + overhead += in_len / 16 + 64 + 3; + overlap = (lzo_bytep) xmalloc(in_len + overhead); + +/* + * Step 4b: prepare data in 'overlap' buffer. + * copy uncompressed data at the top of the overlap buffer + */ + /*** offset = in_len + overhead - in_len; ***/ + offset = overhead; + lzo_memcpy(overlap + offset, in, in_len); + +/* + * Step 4c: do an in-place compression within the 'overlap' buffer + */ + r = lzo1x_1_compress(overlap+offset,in_len,overlap,&new_len,wrkmem); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("overlapping compression failed: %d\n", r); + exit(1); + } + +/* + * Step 4d: verify overlapping compression + */ + if (new_len != out_len || lzo_memcmp(out,overlap,out_len) != 0) + { + /* As compression is non-deterministic there can be a difference + * in the representation of the compressed data (but this usually + * happens very seldom). So we have to verify the overlapping + * compression by doing a temporary decompression. + */ + lzo_uint ll = in_len; + lzo_bytep tmp = (lzo_bytep) xmalloc(ll); + r = lzo1x_decompress_safe(overlap, new_len, tmp, &ll, NULL); + if (r != LZO_E_OK || ll != in_len || lzo_memcmp(in, tmp, ll) != 0) + { + /* this should NEVER happen */ + printf("overlapping compression data error\n"); + exit(1); + } + lzo_free(tmp); + } + + printf("overlapping compression: %8lu -> %8lu overhead: %7lu\n", + (unsigned long) in_len, (unsigned long) new_len, (unsigned long) overhead); + lzo_free(overlap); overlap = NULL; + + +/***** Step 5: overlapping decompression *****/ + +/* + * Step 5a: allocate the 'overlap' buffer for in-place decompression + */ + if (opt_overhead == 0 || out_len >= in_len) + overhead = in_len / 16 + 64 + 3; + else + overhead = opt_overhead; + overlap = (lzo_bytep) xmalloc(in_len + overhead); + +/* + * Step 5b: prepare data in 'overlap' buffer. + * copy compressed data at the top of the overlap buffer + */ + offset = in_len + overhead - out_len; + lzo_memcpy(overlap + offset, out, out_len); + +/* + * Step 5c: do an in-place decompression within the 'overlap' buffer + */ + new_len = in_len; + r = lzo1x_decompress(overlap+offset,out_len,overlap,&new_len,NULL); + if (r != LZO_E_OK) + { + /* this may happen if overhead is too small */ + printf("overlapping decompression failed: %d - increase 'opt_overhead'\n", r); + exit(1); + } + +/* + * Step 5d: verify decompression + */ + if (new_len != in_len || lzo_memcmp(in,overlap,in_len) != 0) + { + /* this may happen if overhead is too small */ + printf("overlapping decompression data error - increase 'opt_overhead'\n"); + exit(1); + } + printf("overlapping decompression: %8lu -> %8lu overhead: %7lu\n", + (unsigned long) out_len, (unsigned long) new_len, (unsigned long) overhead); + lzo_free(overlap); overlap = NULL; + + +next_file: + lzo_free(overlap); + lzo_free(wrkmem); + lzo_free(out); + lzo_free(in); + if (fp) fclose(fp); + + return 0; +} + + +/************************************************************************* +// +**************************************************************************/ + +int __lzo_cdecl_main main(int argc, char *argv[]) +{ + int r; + int i = 1; + + lzo_wildargv(&argc, &argv); + + 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"); + + progname = argv[0]; + if (i < argc && argv[i][0] == '-') + opt_overhead = atoi(&argv[i++][1]); +#if 1 + if (opt_overhead != 0 && opt_overhead < 8) + { + printf("%s: invalid overhead value %ld\n", progname, (long)opt_overhead); + exit(1); + } +#endif + if (i >= argc) + { + printf("usage: %s [-overhead_in_bytes] file..\n", progname); + exit(1); + } + +/* + * 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: process files + */ + for (r = 0; r == 0 && i < argc; i++) + r = do_file(argv[i]); + + printf("\nDone. Successfully processed %lu bytes in %lu files.\n", + total_in, total_files); + return r; +} + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/portab.h b/bitmask_android/lzo/examples/portab.h new file mode 100644 index 00000000..b4b5a21a --- /dev/null +++ b/bitmask_android/lzo/examples/portab.h @@ -0,0 +1,187 @@ +/* portab.h -- portability layer + + 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" + +#if (LZO_CC_MSC && (_MSC_VER >= 1000 && _MSC_VER < 1200)) + /* avoid '-W4' warnings in system header files */ +# pragma warning(disable: 4201 4214 4514) +#endif +#if (LZO_CC_MSC && (_MSC_VER >= 1300)) + /* avoid '-Wall' warnings in system header files */ +# pragma warning(disable: 4163 4255 4820) + /* avoid warnings about inlining */ +# pragma warning(disable: 4710 4711) +#endif +#if (LZO_CC_MSC && (_MSC_VER >= 1400)) + /* avoid warnings when using "deprecated" POSIX functions */ +# pragma warning(disable: 4996) +#endif +#if (LZO_CC_PELLESC && (__POCC__ >= 290)) +# pragma warn(disable:2002) +#endif + + +/************************************************************************* +// +**************************************************************************/ + +#if defined(__LZO_MMODEL_HUGE) || defined(ACC_WANT_ACCLIB_GETOPT) || !(defined(LZO_LIBC_ISOC90) || defined(LZO_LIBC_ISOC99)) + +#include "examples/portab_a.h" + +#else + +/* INFO: + * The "portab_a.h" version above uses the ACC library to add + * support for ancient systems (like 16-bit DOS) and to provide + * some gimmicks like Windows high-resolution timers. + * Still, on any halfway modern machine you can also use the + * following pure ANSI-C code instead. + */ + +#include <stddef.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <time.h> +#if defined(CLK_TCK) && !defined(CLOCKS_PER_SEC) +# define CLOCKS_PER_SEC CLK_TCK +#endif + +#if defined(WANT_LZO_MALLOC) +# define lzo_malloc(a) (malloc(a)) +# define lzo_free(a) (free(a)) +#endif +#if defined(WANT_LZO_FREAD) +# define lzo_fread(f,b,s) (fread(b,1,s,f)) +# define lzo_fwrite(f,b,s) (fwrite(b,1,s,f)) +#endif +#if defined(WANT_LZO_UCLOCK) +# define lzo_uclock_handle_t int +# define lzo_uclock_t double +# define lzo_uclock_open(a) ((void)(a)) +# define lzo_uclock_close(a) ((void)(a)) +# define lzo_uclock_read(a,b) *(b) = (clock() / (double)(CLOCKS_PER_SEC)) +# define lzo_uclock_get_elapsed(a,b,c) (*(c) - *(b)) +#endif +#if defined(WANT_LZO_WILDARGV) +# define lzo_wildargv(a,b) ((void)0) +#endif + +#endif + + +/************************************************************************* +// misc +**************************************************************************/ + +/* turn on assertions */ +#undef NDEBUG +#include <assert.h> + +/* just in case */ +#undef xmalloc +#undef xfree +#undef xread +#undef xwrite +#undef xputc +#undef xgetc +#undef xread32 +#undef xwrite32 + + +#if defined(WANT_XMALLOC) +static lzo_voidp xmalloc(lzo_uint len) +{ + lzo_voidp p; + lzo_uint align = (lzo_uint) sizeof(lzo_align_t); + + p = (lzo_voidp) lzo_malloc(len > 0 ? len : 1); + if (p == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + if (len >= align && __lzo_align_gap(p, align) != 0) + { + printf("%s: C library problem: malloc() returned misaligned pointer!\n", progname); + exit(1); + } + return p; +} +#endif + + +#if defined(WANT_LZO_UCLOCK) + +/* High quality benchmarking. + * + * Flush the CPU cache to get more accurate benchmark values. + * This needs custom kernel patches. As a result - in combination with + * the perfctr Linux kernel patches - accurate high-quality benchmarking + * is possible. + * + * All other methods (rdtsc, QueryPerformanceCounter, gettimeofday, ...) + * are completely unreliable for our purposes, and the only other + * option is to boot into a legacy single-task operating system + * like plain MSDOS and to directly reprogram the hardware clock. + * [The djgpp2 port of the gcc compiler has support functions for this.] + * + * Also, for embedded systems it's best to benchmark by using a + * CPU emulator/simulator software that can exactly count all + * virtual clock ticks. + */ + +#if !defined(lzo_uclock_flush_cpu_cache) +# define lzo_uclock_flush_cpu_cache(h,flags) ((void)(h)) +#endif + +#endif + + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/portab_a.h b/bitmask_android/lzo/examples/portab_a.h new file mode 100644 index 00000000..2706022d --- /dev/null +++ b/bitmask_android/lzo/examples/portab_a.h @@ -0,0 +1,140 @@ +/* portab_a.h -- advanced portability layer + + 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/ + */ + + +/************************************************************************* +// use the ACC library for the hard work +**************************************************************************/ + +#if defined(LZO_HAVE_CONFIG_H) +# define ACC_CONFIG_NO_HEADER 1 +#endif + +#define ACC_WANT_ACC_INCD_H 1 +#define ACC_WANT_ACC_INCE_H 1 +#if defined(__LZO_MMODEL_HUGE) || defined(ACC_WANT_ACCLIB_GETOPT) || defined(WANT_LZO_UCLOCK) || defined(WANT_LZO_WILDARGV) +# define ACC_WANT_ACC_INCI_H 1 +# define ACC_WANT_ACC_LIB_H 1 +#endif +#include "src/miniacc.h" + +#if defined(WANT_LZO_MALLOC) +# if defined(__LZO_MMODEL_HUGE) +# define ACC_WANT_ACCLIB_HALLOC 1 +# else +# define acc_halloc(a) (malloc(a)) +# define acc_hfree(a) (free(a)) +# endif +#endif +#if defined(WANT_LZO_FREAD) +# if defined(__LZO_MMODEL_HUGE) +# define ACC_WANT_ACCLIB_HFREAD 1 +# else +# define acc_hfread(f,b,s) (fread(b,1,s,f)) +# define acc_hfwrite(f,b,s) (fwrite(b,1,s,f)) +# endif +#endif +#if defined(WANT_LZO_UCLOCK) +# define ACC_WANT_ACCLIB_PCLOCK 1 +# if 0 && (LZO_ARCH_AMD64 || LZO_ARCH_I386) +# define __ACCLIB_PCLOCK_USE_RDTSC 1 +# define ACC_WANT_ACCLIB_RDTSC 1 +# endif +#endif +#if defined(WANT_LZO_WILDARGV) +# define ACC_WANT_ACCLIB_WILDARGV 1 +#endif +#if (__ACCLIB_REQUIRE_HMEMCPY_CH) && !defined(__ACCLIB_HMEMCPY_CH_INCLUDED) +# define ACC_WANT_ACCLIB_HMEMCPY 1 +#endif +#include "src/miniacc.h" + + +/************************************************************************* +// finally pull into the LZO namespace +**************************************************************************/ + +#undef lzo_malloc +#undef lzo_free +#undef lzo_fread +#undef lzo_fwrite +#if defined(WANT_LZO_MALLOC) +# if defined(acc_halloc) +# define lzo_malloc(a) acc_halloc(a) +# else +# define lzo_malloc(a) __ACCLIB_FUNCNAME(acc_halloc)(a) +# endif +# if defined(acc_hfree) +# define lzo_free(a) acc_hfree(a) +# else +# define lzo_free(a) __ACCLIB_FUNCNAME(acc_hfree)(a) +# endif +#endif +#if defined(WANT_LZO_FREAD) +# if defined(acc_hfread) +# define lzo_fread(f,b,s) acc_hfread(f,b,s) +# else +# define lzo_fread(f,b,s) __ACCLIB_FUNCNAME(acc_hfread)(f,b,s) +# endif +# if defined(acc_hfwrite) +# define lzo_fwrite(f,b,s) acc_hfwrite(f,b,s) +# else +# define lzo_fwrite(f,b,s) __ACCLIB_FUNCNAME(acc_hfwrite)(f,b,s) +# endif +#endif +#if defined(WANT_LZO_UCLOCK) +# define lzo_uclock_handle_t acc_pclock_handle_t +# define lzo_uclock_t acc_pclock_t +# define lzo_uclock_open(a) __ACCLIB_FUNCNAME(acc_pclock_open_default)(a) +# define lzo_uclock_close(a) __ACCLIB_FUNCNAME(acc_pclock_close)(a) +# define lzo_uclock_read(a,b) __ACCLIB_FUNCNAME(acc_pclock_read)(a,b) +# define lzo_uclock_get_elapsed(a,b,c) __ACCLIB_FUNCNAME(acc_pclock_get_elapsed)(a,b,c) +#endif +#if defined(WANT_LZO_WILDARGV) +# define lzo_wildargv(a,b) __ACCLIB_FUNCNAME(acc_wildargv)(a,b) +#endif + + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/precomp.c b/bitmask_android/lzo/examples/precomp.c new file mode 100644 index 00000000..a953827b --- /dev/null +++ b/bitmask_android/lzo/examples/precomp.c @@ -0,0 +1,349 @@ +/* precomp.c -- example program: how to generate pre-compressed data + + 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/ + */ + + +/************************************************************************* +// This program shows how to generate pre-compressed data. +// +// Please study LZO.FAQ and simple.c first. +// +// We will be trying both LZO1X-999 and LZO1Y-999 and choose +// the algorithm that achieves the best compression ratio. +**************************************************************************/ + +#include "lzo/lzoconf.h" +#include "lzo/lzo1x.h" +#include "lzo/lzo1y.h" + +#define USE_LZO1X 1 +#define USE_LZO1Y 1 + +#define PARANOID 1 + + +/* portability layer */ +static const char *progname = NULL; +#define WANT_LZO_MALLOC 1 +#define WANT_LZO_FREAD 1 +#define WANT_LZO_WILDARGV 1 +#define WANT_XMALLOC 1 +#include "examples/portab.h" + + +/************************************************************************* +// +**************************************************************************/ + +int __lzo_cdecl_main main(int argc, char *argv[]) +{ + int r; + + lzo_bytep in; + lzo_uint in_len; + + lzo_bytep out; + lzo_uint out_bufsize; + lzo_uint out_len = 0; + + lzo_voidp wrkmem; + lzo_uint wrk_len; + + lzo_uint best_len; + int best_compress = -1; + + lzo_uint orig_len; + lzo_uint32 uncompressed_checksum; + lzo_uint32 compressed_checksum; + + FILE *fp; + const char *in_name = NULL; + const char *out_name = NULL; + long l; + + + lzo_wildargv(&argc, &argv); + + 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"); + + progname = argv[0]; + if (argc < 2 || argc > 3) + { + printf("usage: %s file [output-file]\n", progname); + exit(1); + } + in_name = argv[1]; + if (argc > 2) out_name = argv[2]; + +/* + * 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: allocate the work-memory + */ + wrk_len = 1; +#ifdef USE_LZO1X + if (wrk_len < LZO1X_999_MEM_COMPRESS) + wrk_len = LZO1X_999_MEM_COMPRESS; +#endif +#ifdef USE_LZO1Y + if (wrk_len < LZO1Y_999_MEM_COMPRESS) + wrk_len = LZO1Y_999_MEM_COMPRESS; +#endif + wrkmem = (lzo_voidp) xmalloc(wrk_len); + if (wrkmem == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + +/* + * Step 3: open the input file + */ + fp = fopen(in_name,"rb"); + if (fp == NULL) + { + printf("%s: cannot open file %s\n", progname, in_name); + exit(1); + } + fseek(fp, 0, SEEK_END); + l = ftell(fp); + fseek(fp, 0, SEEK_SET); + if (l <= 0) + { + printf("%s: %s: empty file\n", progname, in_name); + fclose(fp); fp = NULL; + exit(1); + } + in_len = (lzo_uint) l; + out_bufsize = in_len + in_len / 16 + 64 + 3; + best_len = in_len; + +/* + * Step 4: allocate compression buffers and read the file + */ + in = (lzo_bytep) xmalloc(in_len); + out = (lzo_bytep) xmalloc(out_bufsize); + if (in == NULL || out == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + in_len = (lzo_uint) lzo_fread(fp, in, in_len); + printf("%s: loaded file %s: %ld bytes\n", progname, in_name, (long) in_len); + fclose(fp); fp = NULL; + +/* + * Step 5: compute a checksum of the uncompressed data + */ + uncompressed_checksum = lzo_adler32(0,NULL,0); + uncompressed_checksum = lzo_adler32(uncompressed_checksum,in,in_len); + +/* + * Step 6a: compress from 'in' to 'out' with LZO1X-999 + */ +#ifdef USE_LZO1X + out_len = out_bufsize; + r = lzo1x_999_compress(in,in_len,out,&out_len,wrkmem); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + exit(1); + } + printf("LZO1X-999: %8lu -> %8lu\n", (unsigned long) in_len, (unsigned long) out_len); + if (out_len < best_len) + { + best_len = out_len; + best_compress = 1; /* LZO1X-999 */ + } +#endif /* USE_LZO1X */ + +/* + * Step 6b: compress from 'in' to 'out' with LZO1Y-999 + */ +#ifdef USE_LZO1Y + out_len = out_bufsize; + r = lzo1y_999_compress(in,in_len,out,&out_len,wrkmem); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + exit(1); + } + printf("LZO1Y-999: %8lu -> %8lu\n", (unsigned long) in_len, (unsigned long) out_len); + if (out_len < best_len) + { + best_len = out_len; + best_compress = 2; /* LZO1Y-999 */ + } +#endif /* USE_LZO1Y */ + +/* + * Step 7: check if compressible + */ + if (best_len >= in_len) + { + printf("This file contains incompressible data.\n"); + return 0; + } + +/* + * Step 8: compress data again using the best compressor found + */ + out_len = out_bufsize; + if (best_compress == 1) + r = lzo1x_999_compress(in,in_len,out,&out_len,wrkmem); + else if (best_compress == 2) + r = lzo1y_999_compress(in,in_len,out,&out_len,wrkmem); + else + r = -100; + assert(r == LZO_E_OK); + assert(out_len == best_len); + +/* + * Step 9: optimize compressed data (compressed data is in 'out' buffer) + */ +#if 1 + /* Optimization does not require any data in the buffer that will + * hold the uncompressed data. To prove this, we clear the buffer. + */ + lzo_memset(in,0,in_len); +#endif + + orig_len = in_len; + r = -100; +#ifdef USE_LZO1X + if (best_compress == 1) + r = lzo1x_optimize(out,out_len,in,&orig_len,NULL); +#endif +#ifdef USE_LZO1Y + if (best_compress == 2) + r = lzo1y_optimize(out,out_len,in,&orig_len,NULL); +#endif + if (r != LZO_E_OK || orig_len != in_len) + { + /* this should NEVER happen */ + printf("internal error - optimization failed: %d\n", r); + exit(1); + } + +/* + * Step 10: compute a checksum of the compressed data + */ + compressed_checksum = lzo_adler32(0,NULL,0); + compressed_checksum = lzo_adler32(compressed_checksum,out,out_len); + +/* + * Step 11: write compressed data to a file + */ + printf("%s: %s: %ld -> %ld, checksum 0x%08lx 0x%08lx\n", + progname, in_name, (long) in_len, (long) out_len, + (long) uncompressed_checksum, (long) compressed_checksum); + + if (out_name && out_name[0]) + { + printf("%s: writing to file %s\n", progname, out_name); + fp = fopen(out_name,"wb"); + if (fp == NULL) + { + printf("%s: cannot open output file %s\n", progname, out_name); + exit(1); + } + if (lzo_fwrite(fp, out, out_len) != out_len || fclose(fp) != 0) + { + printf("%s: write error !!\n", progname); + exit(1); + } + } + +/* + * Step 12: verify decompression + */ +#ifdef PARANOID + lzo_memset(in,0,in_len); /* paranoia - clear output buffer */ + orig_len = in_len; + r = -100; +#ifdef USE_LZO1X + if (best_compress == 1) + r = lzo1x_decompress_safe(out,out_len,in,&orig_len,NULL); +#endif +#ifdef USE_LZO1Y + if (best_compress == 2) + r = lzo1y_decompress_safe(out,out_len,in,&orig_len,NULL); +#endif + if (r != LZO_E_OK || orig_len != in_len) + { + /* this should NEVER happen */ + printf("internal error - decompression failed: %d\n", r); + exit(1); + } + if (uncompressed_checksum != lzo_adler32(lzo_adler32(0,NULL,0),in,in_len)) + { + /* this should NEVER happen */ + printf("internal error - decompression data error\n"); + exit(1); + } + /* Now you could also verify decompression under similar conditions as in + * your application, e.g. overlapping assembler decompression etc. + */ +#endif + + lzo_free(in); + lzo_free(out); + lzo_free(wrkmem); + + return 0; +} + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/precomp2.c b/bitmask_android/lzo/examples/precomp2.c new file mode 100644 index 00000000..d9e1b47b --- /dev/null +++ b/bitmask_android/lzo/examples/precomp2.c @@ -0,0 +1,401 @@ +/* precomp2.c -- example program: how to generate pre-compressed data + + 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/ + */ + + +/************************************************************************* +// This program shows how to generate pre-compressed data. +// +// Please study precomp.c first. +// +// We will be trying LZO1X-999 and LZO1Y-999, and we will be trying +// various parameters using the internal interface to squeeze out +// a little bit of extra compression. +// +// NOTE: this program can be quite slow for highly redundant files +**************************************************************************/ + +#include "lzo/lzoconf.h" +#include "lzo/lzo1x.h" +#include "lzo/lzo1y.h" + +LZO_EXTERN(int) +lzo1x_999_compress_internal ( const lzo_bytep in , lzo_uint in_len, + lzo_bytep out, lzo_uintp out_len, + lzo_voidp wrkmem, + const lzo_bytep dict, lzo_uint dict_len, + lzo_callback_p cb, + int try_lazy, + lzo_uint good_length, + lzo_uint max_lazy, + lzo_uint nice_length, + lzo_uint max_chain, + lzo_uint32 flags ); + +LZO_EXTERN(int) +lzo1y_999_compress_internal ( const lzo_bytep in , lzo_uint in_len, + lzo_bytep out, lzo_uintp out_len, + lzo_voidp wrkmem, + const lzo_bytep dict, lzo_uint dict_len, + lzo_callback_p cb, + int try_lazy, + lzo_uint good_length, + lzo_uint max_lazy, + lzo_uint nice_length, + lzo_uint max_chain, + lzo_uint32 flags ); + +#define USE_LZO1X 1 +#define USE_LZO1Y 1 + +#define PARANOID 1 + + +/* portability layer */ +static const char *progname = NULL; +#define WANT_LZO_MALLOC 1 +#define WANT_LZO_FREAD 1 +#define WANT_LZO_WILDARGV 1 +#define WANT_XMALLOC 1 +#include "examples/portab.h" + + +/************************************************************************* +// +**************************************************************************/ + +int __lzo_cdecl_main main(int argc, char *argv[]) +{ + int r; + int lazy; + const int max_try_lazy = 5; + const lzo_uint big = 65536L; /* can result in very slow compression */ + const lzo_uint32 flags = 0x1; + + lzo_bytep in; + lzo_uint in_len; + + lzo_bytep out; + lzo_uint out_bufsize; + lzo_uint out_len = 0; + + lzo_voidp wrkmem; + lzo_uint wrk_len; + + lzo_uint best_len; + int best_compress = -1; + int best_lazy = -1; + + lzo_uint orig_len; + lzo_uint32 uncompressed_checksum; + lzo_uint32 compressed_checksum; + + FILE *fp; + const char *in_name = NULL; + const char *out_name = NULL; + long l; + + + lzo_wildargv(&argc, &argv); + + 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"); + + progname = argv[0]; + if (argc < 2 || argc > 3) + { + printf("usage: %s file [output-file]\n", progname); + exit(1); + } + in_name = argv[1]; + if (argc > 2) out_name = argv[2]; + +/* + * 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: allocate the work-memory + */ + wrk_len = 1; +#ifdef USE_LZO1X + if (wrk_len < LZO1X_999_MEM_COMPRESS) + wrk_len = LZO1X_999_MEM_COMPRESS; +#endif +#ifdef USE_LZO1Y + if (wrk_len < LZO1Y_999_MEM_COMPRESS) + wrk_len = LZO1Y_999_MEM_COMPRESS; +#endif + wrkmem = (lzo_voidp) xmalloc(wrk_len); + if (wrkmem == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + +/* + * Step 3: open the input file + */ + fp = fopen(in_name,"rb"); + if (fp == NULL) + { + printf("%s: cannot open file %s\n", progname, in_name); + exit(1); + } + fseek(fp, 0, SEEK_END); + l = ftell(fp); + fseek(fp, 0, SEEK_SET); + if (l <= 0) + { + printf("%s: %s: empty file\n", progname, in_name); + fclose(fp); fp = NULL; + exit(1); + } + in_len = (lzo_uint) l; + out_bufsize = in_len + in_len / 16 + 64 + 3; + best_len = in_len; + +/* + * Step 4: allocate compression buffers and read the file + */ + in = (lzo_bytep) xmalloc(in_len); + out = (lzo_bytep) xmalloc(out_bufsize); + if (in == NULL || out == NULL) + { + printf("%s: out of memory\n", progname); + exit(1); + } + in_len = (lzo_uint) lzo_fread(fp, in, in_len); + printf("%s: loaded file %s: %ld bytes\n", progname, in_name, (long) in_len); + fclose(fp); fp = NULL; + +/* + * Step 5: compute a checksum of the uncompressed data + */ + uncompressed_checksum = lzo_adler32(0,NULL,0); + uncompressed_checksum = lzo_adler32(uncompressed_checksum,in,in_len); + +/* + * Step 6a: compress from 'in' to 'out' with LZO1X-999 + */ +#ifdef USE_LZO1X + for (lazy = 0; lazy <= max_try_lazy; lazy++) + { + out_len = out_bufsize; + r = lzo1x_999_compress_internal(in,in_len,out,&out_len,wrkmem, + NULL, 0, 0, + lazy, big, big, big, big, flags); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + exit(1); + } + printf("LZO1X-999: lazy =%2d: %8lu -> %8lu\n", + lazy, (unsigned long) in_len, (unsigned long) out_len); + if (out_len < best_len) + { + best_len = out_len; + best_lazy = lazy; + best_compress = 1; /* LZO1X-999 */ + } + } +#endif /* USE_LZO1X */ + +/* + * Step 6b: compress from 'in' to 'out' with LZO1Y-999 + */ +#ifdef USE_LZO1Y + for (lazy = 0; lazy <= max_try_lazy; lazy++) + { + out_len = out_bufsize; + r = lzo1y_999_compress_internal(in,in_len,out,&out_len,wrkmem, + NULL, 0, 0, + lazy, big, big, big, big, flags); + if (r != LZO_E_OK) + { + /* this should NEVER happen */ + printf("internal error - compression failed: %d\n", r); + exit(1); + } + printf("LZO1Y-999: lazy =%2d: %8lu -> %8lu\n", + lazy, (unsigned long) in_len, (unsigned long) out_len); + if (out_len < best_len) + { + best_len = out_len; + best_lazy = lazy; + best_compress = 2; /* LZO1Y-999 */ + } + } +#endif /* USE_LZO1Y */ + +/* + * Step 7: check if compressible + */ + if (best_len >= in_len) + { + printf("This file contains incompressible data.\n"); + return 0; + } + +/* + * Step 8: compress data again using the best compressor found + */ + out_len = out_bufsize; + if (best_compress == 1) + r = lzo1x_999_compress_internal(in,in_len,out,&out_len,wrkmem, + NULL, 0, 0, + best_lazy, big, big, big, big, flags); + else if (best_compress == 2) + r = lzo1y_999_compress_internal(in,in_len,out,&out_len,wrkmem, + NULL, 0, 0, + best_lazy, big, big, big, big, flags); + else + r = -100; + assert(r == LZO_E_OK); + assert(out_len == best_len); + +/* + * Step 9: optimize compressed data (compressed data is in 'out' buffer) + */ +#if 1 + /* Optimization does not require any data in the buffer that will + * hold the uncompressed data. To prove this, we clear the buffer. + */ + lzo_memset(in,0,in_len); +#endif + + orig_len = in_len; + r = -100; +#ifdef USE_LZO1X + if (best_compress == 1) + r = lzo1x_optimize(out,out_len,in,&orig_len,NULL); +#endif +#ifdef USE_LZO1Y + if (best_compress == 2) + r = lzo1y_optimize(out,out_len,in,&orig_len,NULL); +#endif + if (r != LZO_E_OK || orig_len != in_len) + { + /* this should NEVER happen */ + printf("internal error - optimization failed: %d\n", r); + exit(1); + } + +/* + * Step 10: compute a checksum of the compressed data + */ + compressed_checksum = lzo_adler32(0,NULL,0); + compressed_checksum = lzo_adler32(compressed_checksum,out,out_len); + +/* + * Step 11: write compressed data to a file + */ + printf("%s: %s: %ld -> %ld, checksum 0x%08lx 0x%08lx\n", + progname, in_name, (long) in_len, (long) out_len, + (long) uncompressed_checksum, (long) compressed_checksum); + + if (out_name && out_name[0]) + { + printf("%s: writing to file %s\n", progname, out_name); + fp = fopen(out_name,"wb"); + if (fp == NULL) + { + printf("%s: cannot open output file %s\n", progname, out_name); + exit(1); + } + if (lzo_fwrite(fp, out, out_len) != out_len || fclose(fp) != 0) + { + printf("%s: write error !!\n", progname); + exit(1); + } + } + +/* + * Step 12: verify decompression + */ +#ifdef PARANOID + lzo_memset(in,0,in_len); /* paranoia - clear output buffer */ + orig_len = in_len; + r = -100; +#ifdef USE_LZO1X + if (best_compress == 1) + r = lzo1x_decompress_safe(out,out_len,in,&orig_len,NULL); +#endif +#ifdef USE_LZO1Y + if (best_compress == 2) + r = lzo1y_decompress_safe(out,out_len,in,&orig_len,NULL); +#endif + if (r != LZO_E_OK || orig_len != in_len) + { + /* this should NEVER happen */ + printf("internal error - decompression failed: %d\n", r); + exit(1); + } + if (uncompressed_checksum != lzo_adler32(lzo_adler32(0,NULL,0),in,in_len)) + { + /* this should NEVER happen */ + printf("internal error - decompression data error\n"); + exit(1); + } + /* Now you could also verify decompression under similar conditions as in + * your application, e.g. overlapping assembler decompression etc. + */ +#endif + + lzo_free(in); + lzo_free(out); + lzo_free(wrkmem); + + return 0; +} + +/* +vi:ts=4:et +*/ + diff --git a/bitmask_android/lzo/examples/simple.c b/bitmask_android/lzo/examples/simple.c new file mode 100644 index 00000000..9d06cb5c --- /dev/null +++ b/bitmask_android/lzo/examples/simple.c @@ -0,0 +1,173 @@ +/* simple.c -- the annotated simple example program 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/ + */ + + +/************************************************************************* +// This program shows the basic usage of the LZO library. +// We will compress a block of data and decompress again. +// +// See also LZO.FAQ +**************************************************************************/ + +/* We will be using the LZO1X-1 algorithm, so we have + * to include <lzo1x.h> + */ + +#include "lzo/lzoconf.h" +#include "lzo/lzo1x.h" + +/* portability layer */ +static const char *progname = NULL; +#define WANT_LZO_MALLOC 1 +#define WANT_XMALLOC 1 +#include "examples/portab.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. + */ + +#ifndef IN_LEN +#define IN_LEN (128*1024L) +#endif +#define OUT_LEN (IN_LEN + IN_LEN / 16 + 64 + 3) + + +/************************************************************************* +// +**************************************************************************/ + +int __lzo_cdecl_main main(int argc, char *argv[]) +{ + int r; + lzo_bytep in; + lzo_bytep out; + lzo_voidp wrkmem; + 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) 1996-2011 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 4; + } + +/* + * Step 2: allocate blocks and the work-memory + */ + in = (lzo_bytep) xmalloc(IN_LEN); + out = (lzo_bytep) xmalloc(OUT_LEN); + wrkmem = (lzo_voidp) xmalloc(LZO1X_1_MEM_COMPRESS); + if (in == NULL || out == NULL || wrkmem == NULL) + { + printf("out of memory\n"); + return 3; + } + +/* + * Step 3: 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 4: 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 5: 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; + } + + lzo_free(wrkmem); + lzo_free(out); + lzo_free(in); + printf("Simple compression test passed.\n"); + return 0; +} + +/* +vi:ts=4:et +*/ + |