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authorParménides GV <parmegv@sdf.org>2015-06-04 19:20:15 +0200
committerParménides GV <parmegv@sdf.org>2015-06-04 19:20:15 +0200
commit27594eeae6f40a402bc3110f06d57975168e74e3 (patch)
treecdabf6571e6f4ff07205fd6921d8095539a1fcdc /app/lzo/examples/dict.c
parent8dc4f58d96892fbfd83094fb85b1d17656035290 (diff)
ics-openvpn as a submodule! beautiful
ics-openvpn is now officially on GitHub, and they track openssl and openvpn as submodules, so it's easier to update everything. Just a git submodule update --recursive. I've also set up soft links to native modules from ics-openvpn in app, so that we don't copy files in Gradle (which was causing problems with the submodules .git* files, not being copied). That makes the repo cleaner.
Diffstat (limited to 'app/lzo/examples/dict.c')
-rw-r--r--app/lzo/examples/dict.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/app/lzo/examples/dict.c b/app/lzo/examples/dict.c
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--- a/app/lzo/examples/dict.c
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@@ -1,274 +0,0 @@
-/* dict.c -- example program: how to use preset dictionaries
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer
- All Rights Reserved.
-
- The LZO library is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
-
- The LZO library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with the LZO library; see the file COPYING.
- If not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
- Markus F.X.J. Oberhumer
- <markus@oberhumer.com>
- http://www.oberhumer.com/opensource/lzo/
- */
-
-
-/*************************************************************************
-// 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_t 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_info(const char *name, lzo_uint d_len, lzo_uint c_len)
-{
- double perc;
-
- perc = (d_len > 0) ? c_len * 100.0 / d_len : 0.0;
- 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;
-}
-
-
-/*************************************************************************
-//
-**************************************************************************/
-
-static 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 == NULL)
- {
- printf("%s: %s: cannot open file\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; /* no error */
- }
- in_len = (lzo_uint) l;
- if ((long) in_len != l || l > 256L * 1024L * 1024L)
- {
- printf("%s: %s: file is too big -- skipping\n", progname, in_name);
- fclose(fp); fp = NULL;
- return 0; /* no error */
- }
-
-/*
- * 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_info(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 = 0;
- 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) 1996-2014 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 == NULL)
- {
- 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, (unsigned long) dict_adler32);
-
-/*
- * Step 3: process files
- */
- t_total = time(NULL);
- for ( ; i < argc; i++) {
- if (do_file(argv[i], compression_level) != 0) {
- r = 1;
- break;
- }
- }
- t_total = time(NULL) - t_total;
-
- lzo_free(dict);
-
- if (total_n > 1)
- print_info("***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;
-}
-
-
-/* vim:set ts=4 sw=4 et: */