1 files changed, 0 insertions, 158 deletions
diff --git a/badcopy.c b/badcopy.c
deleted file mode 100644
index 03abc63..0000000
--- a/badcopy.c
+++ /dev/null
@@ -1,158 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-
-#define BUFSZ (1 << 22)
-
-#ifdef WIN32
-// whatever
-static 
-double drand48() {
-  double r = rand() / (double)RAND_MAX;
-  return r;
-}
-long lrand48() {
-	long l = 0;
-	int i;
-	for (i = 0; i < 32; i++) {
-		l = l ^ (l << 2) ^ (l << 1) ^ rand();
-	}
-	return l;
-}
-#endif
-
-#ifdef _WIN32
-#define XD3_WIN32 1
-#else
-#define XD3_POSIX 1
-#endif
-#define XD3_MAIN 1
-#define main notmain
-#define EXTERNAL_COMPRESSION 0
-#define XD3_USE_LARGEFILE64 1
-#include "xdelta3.c"
-#undef main
-
-
-double error_prob   = 0.0001;
-usize_t mean_change  = 100;
-xoff_t total_change = 0;
-xoff_t total_size   = 0;
-usize_t max_change   = 0;
-usize_t num_change   = 0;
-
-
-static usize_t
-edist (usize_t mean, usize_t max)
-{
-  double mean_d = mean;
-  double erand  = log (1.0 / drand48 ());
-  usize_t x = (usize_t) (mean_d * erand + 0.5);
-
-  return (x < max) ? (x > 0 ? x : 1) : max;
-}
-
-void modify (char *buf, usize_t size)
-{
-  usize_t bufpos = 0, j;
-  usize_t last_end = 0;
-
-  for (;; /* bufpos and j are incremented in the inner loop */)
-    {
-      /* The size of the next modification. */
-      usize_t next_size = edist (mean_change, 1 << 31);
-      /* The expected interval of such a change. */
-      double expect_interval = ((double) next_size * (1.0 - error_prob)) / error_prob;
-      /* The number of bytes until the next modification. */
-      usize_t next_mod  = edist ((usize_t)expect_interval, 1 << 31);
-
-      if (next_size + next_mod + bufpos > size) { break; }
-
-      if (max_change < next_size) { max_change = next_size; }
-
-      bufpos += next_mod;
-
-      fprintf (stderr, "COPY: %I64u-%I64u (%u)\n", 
-		  total_size + (xoff_t)last_end, 
-		  total_size + (xoff_t)bufpos, 
-		  bufpos - last_end);
-      fprintf (stderr, "ADD:  %I64u-%I64u (%u) is change %u\n", 
-		  total_size + (xoff_t)bufpos, 
-		  total_size + (xoff_t)(bufpos + next_size),
-		  next_size, num_change);
-
-      total_change += next_size;
-      num_change   += 1;
-
-      for (j = 0; j < next_size; j += 1, bufpos += 1)
-	{
-	  buf[bufpos] = (char)(lrand48 () >> 3);
-	}
-
-      last_end = bufpos;
-    }
-
-  fprintf (stderr, "COPY: %I64u-%I64u (%u)\n", 
-	  total_size + last_end, 
-	  total_size + size, size - last_end);
-
-  total_size += size;
-}
-
-int main(int argc, char **argv)
-{
-  main_file inp, out;
-  char *buf = malloc(BUFSZ);
-  int c, ret;
-  main_file_init(&inp);
-  main_file_init(&out);
-  option_force = 1;
-  if (argc > 5)
-    {
-      fprintf (stderr, "usage: badcopy [byte_error_prob [mean_error_size]]\n");
-      return 1;
-    }
-
-  if (argc > 4) { mean_change = atoi (argv[4]); }
-  if (argc > 3) { error_prob  = atof (argv[3]); }
-  fprintf (stderr, "mean change = %u; error_prob = %0.10f\n", mean_change, error_prob);
-
-  if ((ret = main_file_open (&inp, argv[1], XO_READ)) != 0) {
-	  return 1;
-  }
-  if ((ret = main_file_open (&out, argv[2], XO_WRITE)) != 0) {
-	  return 1;
-  }
-
-  if (error_prob < 0.0 || error_prob > 1.0)
-    {
-      fprintf (stderr, "warning: error probability out of range\n");
-      return 1;
-    }
-
-  do
-    {
-		if ((ret = main_file_read (&inp, buf, BUFSZ, &c, "read failed")) != 0) {
-			return 1;
-		}
-
-        if (c == 0) { break; }
-
-        modify (buf, c);
-
-		if ((ret = main_file_write (&out, buf, c, "write failed")) != 0) {
-			return 1;
-		}
-    }
-  while (c == BUFSZ);
-
-  if ((ret = main_file_close (&out)))
-    {
-      return 1;
-    }
-
-  fprintf (stderr, "add_prob %f; %u adds; total_change %u of %u bytes; add percentage %f; max add size %u\n",
-	   error_prob, num_change, total_change, total_size, (double) total_change / (double) total_size, max_change);
-
-  return 0;
-}