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author | obrien <obrien@FreeBSD.org> | 2001-06-21 18:37:17 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2001-06-21 18:37:17 +0000 |
commit | da41d3ce6ee0a7c399e6438525caf651b761080b (patch) | |
tree | dd474847b5cb872a4c00011987d2276b9e7075d0 /contrib/bzip2/spewG.c | |
download | FreeBSD-src-da41d3ce6ee0a7c399e6438525caf651b761080b.zip FreeBSD-src-da41d3ce6ee0a7c399e6438525caf651b761080b.tar.gz |
Virgin import (trimmed) of Bzip2 version 1.0.1.
Diffstat (limited to 'contrib/bzip2/spewG.c')
-rw-r--r-- | contrib/bzip2/spewG.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/contrib/bzip2/spewG.c b/contrib/bzip2/spewG.c new file mode 100644 index 0000000..7934e76 --- /dev/null +++ b/contrib/bzip2/spewG.c @@ -0,0 +1,39 @@ + +/* 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). +*/ + +#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; +} |