1*0ac9a9daSXin Li 2*0ac9a9daSXin Li /* spew out a thoroughly gigantic file designed so that bzip2 3*0ac9a9daSXin Li can compress it reasonably rapidly. This is to help test 4*0ac9a9daSXin Li support for large files (> 2GB) in a reasonable amount of time. 5*0ac9a9daSXin Li I suggest you use the undocumented --exponential option to 6*0ac9a9daSXin Li bzip2 when compressing the resulting file; this saves a bit of 7*0ac9a9daSXin Li time. Note: *don't* bother with --exponential when compressing 8*0ac9a9daSXin Li Real Files; it'll just waste a lot of CPU time :-) 9*0ac9a9daSXin Li (but is otherwise harmless). 10*0ac9a9daSXin Li */ 11*0ac9a9daSXin Li 12*0ac9a9daSXin Li /* ------------------------------------------------------------------ 13*0ac9a9daSXin Li This file is part of bzip2/libbzip2, a program and library for 14*0ac9a9daSXin Li lossless, block-sorting data compression. 15*0ac9a9daSXin Li 16*0ac9a9daSXin Li bzip2/libbzip2 version 1.0.8 of 13 July 2019 17*0ac9a9daSXin Li Copyright (C) 1996-2019 Julian Seward <[email protected]> 18*0ac9a9daSXin Li 19*0ac9a9daSXin Li Please read the WARNING, DISCLAIMER and PATENTS sections in the 20*0ac9a9daSXin Li README file. 21*0ac9a9daSXin Li 22*0ac9a9daSXin Li This program is released under the terms of the license contained 23*0ac9a9daSXin Li in the file LICENSE. 24*0ac9a9daSXin Li ------------------------------------------------------------------ */ 25*0ac9a9daSXin Li 26*0ac9a9daSXin Li 27*0ac9a9daSXin Li #define _FILE_OFFSET_BITS 64 28*0ac9a9daSXin Li 29*0ac9a9daSXin Li #include <stdio.h> 30*0ac9a9daSXin Li #include <stdlib.h> 31*0ac9a9daSXin Li 32*0ac9a9daSXin Li /* The number of megabytes of junk to spew out (roughly) */ 33*0ac9a9daSXin Li #define MEGABYTES 5000 34*0ac9a9daSXin Li 35*0ac9a9daSXin Li #define N_BUF 1000000 36*0ac9a9daSXin Li char buf[N_BUF]; 37*0ac9a9daSXin Li main(int argc,char ** argv)38*0ac9a9daSXin Liint main ( int argc, char** argv ) 39*0ac9a9daSXin Li { 40*0ac9a9daSXin Li int ii, kk, p; 41*0ac9a9daSXin Li srandom(1); 42*0ac9a9daSXin Li setbuffer ( stdout, buf, N_BUF ); 43*0ac9a9daSXin Li for (kk = 0; kk < MEGABYTES * 515; kk+=3) { 44*0ac9a9daSXin Li p = 25+random()%50; 45*0ac9a9daSXin Li for (ii = 0; ii < p; ii++) 46*0ac9a9daSXin Li printf ( "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ); 47*0ac9a9daSXin Li for (ii = 0; ii < p-1; ii++) 48*0ac9a9daSXin Li printf ( "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb" ); 49*0ac9a9daSXin Li for (ii = 0; ii < p+1; ii++) 50*0ac9a9daSXin Li printf ( "ccccccccccccccccccccccccccccccccccccc" ); 51*0ac9a9daSXin Li } 52*0ac9a9daSXin Li fflush(stdout); 53*0ac9a9daSXin Li return 0; 54*0ac9a9daSXin Li } 55