bzip2-1.0.1bzip2-1.0.1

1 files changed, 39 insertions, 0 deletions

diff --git a/spewG.c b/spewG.c
new file mode 100644
index 0000000..7934e76
--- /dev/null
+++ b/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;
+}