1 files changed, 42 insertions, 32 deletions
diff --git a/src/examples/pfs_writer.c b/src/examples/pfs_writer.c
index 0ebd772..80f0826 100644
--- a/src/examples/pfs_writer.c
+++ b/src/examples/pfs_writer.c
@@ -6,42 +6,52 @@
 #include <syscall.h>
 #include <stdio.h>
 #include <string.h>
+#include <random.h>
+
 #include "pfs.h"
 
+
 char buffer[BIG];
 
 int main(int argc, char* argv[])
 {
-  int i,j;
-  char c;
-  int id;
-  int write_count;
-  char start;
-  char end;
-
-  if (argc != 3 || strlen(argv[1]) != 1 || strlen(argv[2]) != 1)
-    exit(1);
-  
-  start = argv[1][0];
-  end   = argv[2][0];
-  
-  for (i = 0; i < TIMES / (end - start + 1) + 1; ++i)
-  {
-    for (c = start; c <= end; ++c)
-    {
-      for (j = 0; j < BIG; j++)
-        buffer[j] = c;
-      
-      id = open("file.1");
-      write_count = write(id, buffer, BIG);
-      
-      if ( write_count != BIG )
-      {
-        printf("TEST ERROR: write() wrote only %d bytes out of %d bytes\n",
-               write_count, BIG);
-      }
-      close(id);
-    }
-  }
-  exit(0);
+	int i;
+	char c;
+	int id;
+	int write_count;
+	char start;
+	char end;
+
+	random_init((int)argv[3][0]);
+	printf("+\n");
+
+	if (argc != 4 || strlen(argv[1]) != 1 || strlen(argv[2]) != 1)
+		exit(1);
+
+	start = argv[1][0];
+	end   = argv[2][0];
+
+	for (i = 0; i < TIMES / (end - start + 1) + 1; ++i)
+	{
+		for (c = start; c <= end; ++c)
+		{
+			memset(buffer, (int)c, BIG);
+
+			id = open("file.1");
+
+			seek(id,(random_ulong() % (TIMES-1)) * BIG);
+			write_count = write(id, buffer, BIG);
+
+			if ( write_count != BIG )
+			{
+				printf("TEST ERROR: write() wrote only %d bytes out of %d bytes\n",
+						write_count, BIG);
+				close(id);
+				exit(-1);
+			}
+			close(id);
+		}
+	}
+	printf("*+\n");
+	exit(0);
 }