Mercurial > hg > sv-dependency-builds
diff src/bzip2-1.0.6/spewG.c @ 4:e13257ea84a4
Add bzip2, zlib, liblo, portaudio sources
author | Chris Cannam |
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date | Wed, 20 Mar 2013 13:59:52 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/bzip2-1.0.6/spewG.c Wed Mar 20 13:59:52 2013 +0000 @@ -0,0 +1,54 @@ + +/* spew out a thoroughly gigantic file designed so that bzip2 + can compress it reasonably rapidly. This is to help test + support for large files (> 2GB) in a reasonable amount of time. + I suggest you use the undocumented --exponential option to + bzip2 when compressing the resulting file; this saves a bit of + time. Note: *don't* bother with --exponential when compressing + Real Files; it'll just waste a lot of CPU time :-) + (but is otherwise harmless). +*/ + +/* ------------------------------------------------------------------ + This file is part of bzip2/libbzip2, a program and library for + lossless, block-sorting data compression. + + bzip2/libbzip2 version 1.0.6 of 6 September 2010 + Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org> + + Please read the WARNING, DISCLAIMER and PATENTS sections in the + README file. + + This program is released under the terms of the license contained + in the file LICENSE. + ------------------------------------------------------------------ */ + + +#define _FILE_OFFSET_BITS 64 + +#include <stdio.h> +#include <stdlib.h> + +/* The number of megabytes of junk to spew out (roughly) */ +#define MEGABYTES 5000 + +#define N_BUF 1000000 +char buf[N_BUF]; + +int main ( int argc, char** argv ) +{ + int ii, kk, p; + srandom(1); + setbuffer ( stdout, buf, N_BUF ); + for (kk = 0; kk < MEGABYTES * 515; kk+=3) { + p = 25+random()%50; + for (ii = 0; ii < p; ii++) + printf ( "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ); + for (ii = 0; ii < p-1; ii++) + printf ( "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" ); + for (ii = 0; ii < p+1; ii++) + printf ( "ccccccccccccccccccccccccccccccccccccc" ); + } + fflush(stdout); + return 0; +}