diff options
| author | Arne Schwabe <arne@rfc2549.org> | 2014-06-29 18:18:50 +0200 | 
|---|---|---|
| committer | Arne Schwabe <arne@rfc2549.org> | 2014-06-29 18:18:50 +0200 | 
| commit | 68e19d426ba6d9f048ebfdf337b93a85dc4d5b4c (patch) | |
| tree | cb33b2698e3f665546a328882c7481b11f633428 /main/lzo/examples/dict.c | |
| parent | d3aa9f835d7fd5f53d3a0da6778d46a7067bf074 (diff) | |
Update lzo version
--HG--
extra : rebase_source : 4310223035376c8ac1773fd03a43289aa96ce4f3
Diffstat (limited to 'main/lzo/examples/dict.c')
| -rw-r--r-- | main/lzo/examples/dict.c | 71 | 
1 files changed, 32 insertions, 39 deletions
| diff --git a/main/lzo/examples/dict.c b/main/lzo/examples/dict.c index 04db2453..3ccc9a53 100644 --- a/main/lzo/examples/dict.c +++ b/main/lzo/examples/dict.c @@ -2,22 +2,7 @@     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 +   Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer     All Rights Reserved.     The LZO library is free software; you can redistribute it and/or @@ -62,7 +47,7 @@ static const char *progname = NULL;  #define DICT_LEN    0xbfff  static lzo_bytep    dict;  static lzo_uint     dict_len = 0; -static lzo_uint32   dict_adler32; +static lzo_uint32_t dict_adler32;  /************************************************************************* @@ -73,11 +58,11 @@ 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 ) +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; +    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); @@ -91,7 +76,7 @@ static void print_file ( const char *name, lzo_uint d_len, lzo_uint c_len )  //  **************************************************************************/ -int do_file ( const char *in_name, int compression_level ) +static int do_file(const char *in_name, int compression_level)  {      int r;      lzo_bytep in; @@ -108,9 +93,9 @@ int do_file ( const char *in_name, int compression_level )   * Step 1: open the input file   */      fp = fopen(in_name,"rb"); -    if (fp == 0) +    if (fp == NULL)      { -        printf("%s: cannot open file %s\n", progname, in_name); +        printf("%s: %s: cannot open file\n", progname, in_name);          return 0;   /* no error */      }      fseek(fp, 0, SEEK_END); @@ -120,9 +105,15 @@ int do_file ( const char *in_name, int compression_level )      {          printf("%s: %s: empty file -- skipping\n", progname, in_name);          fclose(fp); fp = NULL; -        return 0; +        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 @@ -151,13 +142,13 @@ int do_file ( const char *in_name, int compression_level )          return 1;      } -    print_file(in_name,in_len,out_len); +    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); +    r = lzo1x_decompress_dict_safe(out, out_len, newb, &new_len, NULL, dict, dict_len);      if (r != LZO_E_OK)      {          /* this should NEVER happen */ @@ -168,7 +159,7 @@ int do_file ( const char *in_name, int compression_level )  /*   * Step 5: verify decompression   */ -    if (new_len != in_len || lzo_memcmp(in,newb,in_len) != 0) +    if (new_len != in_len || lzo_memcmp(in, newb, in_len) != 0)      {          /* this should NEVER happen */          printf("internal error - decompression data error\n"); @@ -191,7 +182,7 @@ int do_file ( const char *in_name, int compression_level )  int __lzo_cdecl_main main(int argc, char *argv[])  {      int i = 1; -    int r; +    int r = 0;      const char *dict_name;      FILE *fp;      time_t t_total; @@ -201,7 +192,7 @@ int __lzo_cdecl_main main(int argc, char *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"); +    printf("Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n");      progname = argv[0]; @@ -243,7 +234,7 @@ int __lzo_cdecl_main main(int argc, char *argv[])      else      {          fp = fopen(dict_name,"rb"); -        if (!fp) +        if (fp == NULL)          {              printf("%s: cannot open dictionary file %s\n", progname, dict_name);              exit(1); @@ -252,30 +243,32 @@ int __lzo_cdecl_main main(int argc, char *argv[])          fclose(fp); fp = NULL;      } -    dict_adler32 = lzo_adler32(0,NULL,0); -    dict_adler32 = lzo_adler32(dict_adler32,dict,dict_len); +    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); +           dict_name, (long) dict_len, (unsigned 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); +    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_file("***TOTALS***",total_d_len,total_c_len); +        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); +           r == 0 ? "passed" : "FAILED", (unsigned long) t_total);      return r;  } -/* -vi:ts=4:et -*/ +/* vim:set ts=4 sw=4 et: */ | 
