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54 lines
1.7 KiB
54 lines
1.7 KiB
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/* spew out a thoroughly gigantic file designed so that bzip2 |
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can compress it reasonably rapidly. This is to help test |
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support for large files (> 2GB) in a reasonable amount of time. |
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I suggest you use the undocumented --exponential option to |
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bzip2 when compressing the resulting file; this saves a bit of |
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time. Note: *don't* bother with --exponential when compressing |
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Real Files; it'll just waste a lot of CPU time :-) |
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(but is otherwise harmless). |
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*/ |
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/* ------------------------------------------------------------------ |
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This file is part of bzip2/libbzip2, a program and library for |
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lossless, block-sorting data compression. |
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bzip2/libbzip2 version 1.0.6 of 6 September 2010 |
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Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org> |
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Please read the WARNING, DISCLAIMER and PATENTS sections in the |
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README file. |
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This program is released under the terms of the license contained |
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in the file LICENSE. |
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------------------------------------------------------------------ */ |
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#define _FILE_OFFSET_BITS 64 |
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#include <stdio.h> |
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#include <stdlib.h> |
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/* The number of megabytes of junk to spew out (roughly) */ |
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#define MEGABYTES 5000 |
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#define N_BUF 1000000 |
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char buf[N_BUF]; |
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int main ( int argc, char** argv ) |
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{ |
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int ii, kk, p; |
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srandom(1); |
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setbuffer ( stdout, buf, N_BUF ); |
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for (kk = 0; kk < MEGABYTES * 515; kk+=3) { |
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p = 25+random()%50; |
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for (ii = 0; ii < p; ii++) |
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printf ( "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ); |
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for (ii = 0; ii < p-1; ii++) |
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printf ( "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" ); |
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for (ii = 0; ii < p+1; ii++) |
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printf ( "ccccccccccccccccccccccccccccccccccccc" ); |
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} |
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fflush(stdout); |
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return 0; |
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}
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