Clean up yaffs_FindNiceObject to be thread safe and simpler. Fix code that does a...
[yaffs2.git] / direct / dtest.c
index 53d1e80..24f5ad2 100644 (file)
@@ -1,6 +1,18 @@
 /*
-* Test code for the "direct" interface. 
-*/
+ * YAFFS: Yet another FFS. A NAND-flash specific file system. 
+ *
+ * Copyright (C) 2002 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+
 
 
 #include <stdio.h>
@@ -10,6 +22,7 @@
 
 #include "yaffsfs.h"
 
+
 void dumpDir(const char *dname);
 
 char xx[600];
@@ -90,7 +103,7 @@ int check_pattern_file(char *fn)
        h = yaffs_open(fn, O_RDWR,0);
        size = yaffs_lseek(h,0,SEEK_END);
                
-       for(i = 0; i < size && ok; i+=256)
+       for(i = 0; i < size; i+=256)
        {
                yaffs_lseek(h,i,SEEK_SET);
                yaffs_read(h,&marker,sizeof(marker));
@@ -107,6 +120,36 @@ int check_pattern_file(char *fn)
 
 
 
+
+
+int dump_file_data(char *fn)
+{
+       int h;
+       int i = 0;
+       int ok = 1;
+       unsigned char b;
+       
+       h = yaffs_open(fn, O_RDWR,0);
+
+                               
+       printf("%s\n",fn);
+       while(yaffs_read(h,&b,1)> 0)
+       {
+               printf("%02x",b);
+               i++;
+               if(i > 32) 
+               {
+                  printf("\n");
+                  i = 0;;
+                }
+       }
+       printf("\n");
+       yaffs_close(h);
+       return ok;
+}
+
+
+
 void dump_file(const char *fn)
 {
        int i;
@@ -129,6 +172,157 @@ void dump_file(const char *fn)
        }
 }
 
+void create_file_of_size(const char *fn,int syze)
+{
+       int h;
+       int n;
+       int result;
+       
+       char xx[200];
+       
+       int iterations = (syze + strlen(fn) -1)/ strlen(fn);
+       
+       h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+               
+       while (iterations > 0)
+       {
+               sprintf(xx,"%s %8d",fn,iterations);
+               n = strlen(xx);
+               result = yaffs_write(h,xx,n);
+               if(result != n)
+                       printf("Wrote %d, should have been %d\n",result,n);
+               iterations--;
+       }
+       yaffs_close (h);
+}
+
+void verify_file_of_size(const char *fn,int syze)
+{
+       int h;
+       int result;
+       
+       char xx[200];
+       char yy[200];
+       int l;
+       
+       int iterations = (syze + strlen(fn) -1)/ strlen(fn);
+       
+       h = yaffs_open(fn, O_RDONLY, S_IREAD | S_IWRITE);
+               
+       while (iterations > 0)
+       {
+               sprintf(xx,"%s %8d",fn,iterations);
+               l = strlen(xx);
+               
+               result = yaffs_read(h,yy,l);
+               yy[l] = 0;
+               
+               if(strcmp(xx,yy)){
+                       printf("=====>>>>> verification of file %s failed near position %lld\n",fn,(long long)yaffs_lseek(h,0,SEEK_CUR));
+               }
+               iterations--;
+       }
+       yaffs_close (h);
+}
+
+void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
+{
+       int h;
+       
+       int iterations;
+       
+       h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+               
+       iterations = (syze1 + strlen(fn) -1)/ strlen(fn);
+       while (iterations > 0)
+       {
+               yaffs_write(h,fn,strlen(fn));
+               iterations--;
+       }
+       
+       yaffs_ftruncate(h,reSyze);
+       
+       yaffs_lseek(h,0,SEEK_SET);
+       iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
+       while (iterations > 0)
+       {
+               yaffs_write(h,fn,strlen(fn));
+               iterations--;
+       }
+       
+       yaffs_close (h);
+}
+
+
+void do_some_file_stuff(const char *path)
+{
+
+       char fn[100];
+
+       sprintf(fn,"%s/%s",path,"f1");
+       create_file_of_size(fn,10000);
+
+       sprintf(fn,"%s/%s",path,"fdel");
+       create_file_of_size(fn,10000);
+       yaffs_unlink(fn);
+
+       sprintf(fn,"%s/%s",path,"f2");
+       
+       create_resized_file_of_size(fn,10000,3000,4000);
+}
+
+void yaffs_backward_scan_test(const char *path)
+{
+       char fn[100];
+       
+       yaffs_StartUp();        
+       
+       yaffs_mount(path);
+       
+       do_some_file_stuff(path);
+       
+       sprintf(fn,"%s/ddd",path);
+       
+       yaffs_mkdir(fn,0);
+       
+       do_some_file_stuff(fn);
+       
+       yaffs_unmount(path);
+       
+       yaffs_mount(path);
+}
+
+char xxzz[2000];
+
+
+void yaffs_device_flush_test(const char *path)
+{
+       char fn[100];
+       int h;
+       int i;
+       
+       yaffs_StartUp();        
+       
+       yaffs_mount(path);
+       
+       do_some_file_stuff(path);
+       
+       // Open and add some data to a few files
+       for(i = 0; i < 10; i++) {
+       
+               sprintf(fn,"%s/ff%d",path,i);
+
+               h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IWRITE | S_IREAD);
+               yaffs_write(h,xxzz,2000);
+               yaffs_write(h,xxzz,2000);
+       }
+       yaffs_unmount(path);
+       
+       yaffs_mount(path);
+}
+
+
+
 void short_scan_test(const char *path, int fsize, int niterations)
 {
        int i;
@@ -148,6 +342,8 @@ void short_scan_test(const char *path, int fsize, int niterations)
        }
 }
 
+
+
 void scan_pattern_test(const char *path, int fsize, int niterations)
 {
        int i;
@@ -169,15 +365,17 @@ void scan_pattern_test(const char *path, int fsize, int niterations)
                dumpDir(path);
                for(j = 0; j < 3; j++)
                {
+                       result = dump_file_data(fn[j]);
                        result = check_pattern_file(fn[j]);
                        make_pattern_file(fn[j],fsize); 
+                       result = dump_file_data(fn[j]);
                        result = check_pattern_file(fn[j]);
                }
                yaffs_unmount(path);
        }
 }
 
-void fill_disk(char *path,int nfiles)
+void fill_disk(const char *path,int nfiles)
 {
        int h;
        int n;
@@ -196,14 +394,14 @@ void fill_disk(char *path,int nfiles)
                
                while ((result = yaffs_write(h,xx,600)) == 600)
                {
-                       f = yaffs_freespace("/boot");
+                       f = yaffs_freespace(path);
                }
                result = yaffs_close(h);
                printf(" close %d\n",result);
        }
 }
 
-void fill_disk_and_delete(char *path, int nfiles, int ncycles)
+void fill_disk_and_delete(const char *path, int nfiles, int ncycles)
 {
        int i,j;
        char str[50];
@@ -224,7 +422,7 @@ void fill_disk_and_delete(char *path, int nfiles, int ncycles)
 }
 
 
-void fill_files(char *path,int flags, int maxIterations,int siz)
+void fill_files(const char *path,int flags, int maxIterations,int siz)
 {
        int i;
        int j;
@@ -236,7 +434,6 @@ void fill_files(char *path,int flags, int maxIterations,int siz)
        do{
                sprintf(str,"%s/%d",path,i);
                h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
-               yaffs_close(h);
 
                if(h >= 0)
                {
@@ -316,7 +513,7 @@ void dumpDirFollow(const char *dname)
                        
                        yaffs_stat(str,&s);
                        
-                       printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+                       printf("%s ino %d length %d mode %X ",de->d_name,(int)s.st_ino,(int)s.st_size,s.st_mode);
                        switch(s.st_mode & S_IFMT)
                        {
                                case S_IFREG: printf("data file"); break;
@@ -342,12 +539,12 @@ void dumpDirFollow(const char *dname)
 }
 
 
-void dumpDir(const char *dname)
+void dump_directory_tree_worker(const char *dname,int recursive)
 {
        yaffs_DIR *d;
        yaffs_dirent *de;
        struct yaffs_stat s;
-       char str[100];
+       char str[1000];
                        
        d = yaffs_opendir(dname);
        
@@ -363,7 +560,7 @@ void dumpDir(const char *dname)
                        
                        yaffs_lstat(str,&s);
                        
-                       printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+                       printf("%s inode %d obj %x length %d mode %X ",str,s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);
                        switch(s.st_mode & S_IFMT)
                        {
                                case S_IFREG: printf("data file"); break;
@@ -377,15 +574,29 @@ void dumpDir(const char *dname)
                                default: printf("unknown"); break;
                        }
                        
-                       printf("\n");           
+                       printf("\n");
+
+                       if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
+                               dump_directory_tree_worker(str,1);
+                                                       
                }
                
                yaffs_closedir(d);
        }
+
+}
+
+static void dump_directory_tree(const char *dname)
+{
+       dump_directory_tree_worker(dname,1);
        printf("\n");
-       
        printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
+}
 
+void dumpDir(const char *dname)
+{      dump_directory_tree_worker(dname,0);
+       printf("\n");
+       printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
 }
 
 
@@ -662,300 +873,137 @@ int long_test(int argc, char *argv[])
 
 }
 
-int long_test_on_path(char *path)
+int huge_directory_test_on_path(char *path)
 {
 
+       yaffs_DIR *d;
+       yaffs_dirent *de;
+       struct yaffs_stat s;
+
        int f;
-       int r;
-       char buffer[20];
+       int i;
+
+       int total = 0;
+       int lastTotal = 0;
        
        char str[100];
-       char name[100];
-       char name2[100];
-       
-       int h;
-       mode_t temp_mode;
-       struct yaffs_stat ystat;
+
        
        yaffs_StartUp();
        
        yaffs_mount(path);
        
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-
-       //leave_unlinked_file("/flash",20000,0);
-       //leave_unlinked_file("/data",20000,0);
-       
-       leave_unlinked_file(path,20,0);
-       
-
-       sprintf(name,"%s/%s",path,"b1");
-       f = yaffs_open(name, O_RDONLY,0);
-       
-       printf("open %s readonly, f=%d\n",name,f);
+       // Create a large number of files
        
-       f = yaffs_open(name, O_CREAT,S_IREAD | S_IWRITE);
+       for(i = 0; i < 2000; i++)
+       {
+         sprintf(str,"%s/%d",path,i);
+         
+          f = yaffs_open(str,O_CREAT,S_IREAD | S_IWRITE);
+          yaffs_close(f);
+       }
        
-       printf("open %s O_CREAT, f=%d\n",name,f);
        
        
-       r = yaffs_write(f,"hello",1);
-       printf("write %d attempted to write to a read-only file\n",r);
+       d = yaffs_opendir(path);
+       i = 0;
+       if (d) {
+       while((de = yaffs_readdir(d)) != NULL) {
+       if (total >lastTotal+100*9*1024||(i & 1023)==0){
+       printf("files = %d, total = %d\n",i, total);
+       lastTotal = total;
+       }
+               i++;
+               sprintf(str,"%s/%s",path,de->d_name);
+               yaffs_lstat(str,&s);
+               switch(s.st_mode & S_IFMT){
+               case S_IFREG:
+       //printf("data file");
+       total += s.st_size;
+       break;
+       }
+       }
        
-       r = yaffs_close(f);
+       yaffs_closedir(d);
+       }
        
-       printf("close %d\n",r);
+       return 0;
+}
 
-       f = yaffs_open(name, O_RDWR,0);
-       
-       printf("open %s O_RDWR,f=%d\n",name,f);
-       
-       
-       r = yaffs_write(f,"hello",2);
-       printf("write %d attempted to write to a writeable file\n",r);
-       r = yaffs_write(f,"world",3);
-       printf("write %d attempted to write to a writeable file\n",r);
-       
-       r= yaffs_lseek(f,0,SEEK_END);
-       printf("seek end %d\n",r);
-       memset(buffer,0,20);
-       r = yaffs_read(f,buffer,10);
-       printf("read %d \"%s\"\n",r,buffer);
-       r= yaffs_lseek(f,0,SEEK_SET);
-       printf("seek set %d\n",r);
-       memset(buffer,0,20);
-       r = yaffs_read(f,buffer,10);
-       printf("read %d \"%s\"\n",r,buffer);
-       memset(buffer,0,20);
-       r = yaffs_read(f,buffer,10);
-       printf("read %d \"%s\"\n",r,buffer);
+int yaffs_scan_test(const char *path)
+{
+       return 0;
+}
 
-       // Check values reading at end.
-       // A read past end of file should return 0 for 0 bytes read.
-               
-       r= yaffs_lseek(f,0,SEEK_END);
-       r = yaffs_read(f,buffer,10);
-       printf("read at end returned  %d\n",r); 
-       r= yaffs_lseek(f,500,SEEK_END);
-       r = yaffs_read(f,buffer,10);
-       printf("read past end returned  %d\n",r);       
-       
-       r = yaffs_close(f);
-       
-       printf("close %d\n",r);
-       
-       sprintf(name,"%s/%s",path,"yyfile");
-       copy_in_a_file(name,"xxx");
-       
-       // Create a file with a long name
-       sprintf(name,"%s/%s",path,"file with a long name");
-       copy_in_a_file(name,"xxx");
-       
-       
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
 
-       // Check stat
-       r = yaffs_stat(name,&ystat);
-       
-       // Check rename
-       sprintf(name2,"%s/%s",path,"r1");
-       r = yaffs_rename(name,name2);
-       
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
+void rename_over_test(const char *mountpt)
+{
+       int i;
+       char a[100];
+       char b[100];
+       char c[100];
        
-       // Check unlink
-       r = yaffs_unlink(name2);
+       sprintf(a,"%s/a",mountpt);
+       sprintf(b,"%s/b",mountpt);
+       sprintf(c,"%s/c",mountpt);
        
+       yaffs_StartUp();
        
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-
-       // Check mkdir
-
-       sprintf(name,"%s/%s",path,"directory1");        
-       r = yaffs_mkdir(name,0);
+       yaffs_mount(mountpt);
        
+       printf("Existing files\n");
+       dumpDirFollow(mountpt);
        
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-       printf("\nDirectory look-up of %s\n",name);
-       dumpDir(name);
-
-       // add a file to the directory                  
-       sprintf(name2,"%s/%s",name,"/file in dir with a long name");
-       copy_in_a_file(name2,"xxx");
        
        
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-       printf("\nDirectory look-up of %s\n",name);
-       dumpDir(name);
+       i = yaffs_open(c,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       printf("File c handle is %d\n",i);
+       yaffs_close(i);
+       i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE); 
+       yaffs_close(i);
+       i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR,  S_IREAD | S_IWRITE);
+       yaffs_close(i);
+       yaffs_rename(a,b); // rename over
+       yaffs_rename(b,a); // rename back again (not renaimng over)
+       yaffs_rename(a,b); // rename back again (not renaimng over)
        
-       //  Attempt to delete directory (should fail)
        
-       r = yaffs_rmdir(name);
+       yaffs_unmount(mountpt);
        
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-       printf("\nDirectory look-up of %s\n",name);
-       dumpDir(name);
+}
 
-       yaffs_unmount(path);
 
-       return 0;       
-       // Delete file first, then rmdir should work
-       r = yaffs_unlink(name2);
-       r = yaffs_rmdir(name);
-       
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-       printf("\nDirectory look-up of %s\n",name);
-       dumpDir(name);
-
-#if 0
-       fill_disk_and_delete(path,20,20);
-       
-       printf("\nDirectory look-up of %s\n",path);
-       dumpDir(path);
-#endif
-
-       yaffs_unmount(path);
-
-       return 0;
-
-       yaffs_symlink("yyfile","/boot/slink");
-       
-       yaffs_readlink("/boot/slink",str,100);
-       printf("symlink alias is %s\n",str);
-       
-       
-       
-       
-       printf("\nDirectory look-up of /boot\n");
-       dumpDir("/boot");
-       printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
-       dumpDirFollow("/boot");
-       printf("\nDirectory look-up of /boot/directory1\n");
-       dumpDir("/boot/directory1");
-
-       h = yaffs_open("/boot/slink",O_RDWR,0);
-       
-       printf("file length is %d\n",yaffs_lseek(h,0,SEEK_END));
-       
-       yaffs_close(h);
-       
-       yaffs_unlink("/boot/slink");
-
-       
-       printf("\nDirectory look-up of /boot\n");
-       dumpDir("/boot");
-       
-       // Check chmod
-       
-       yaffs_stat("/boot/yyfile",&ystat);
-       temp_mode = ystat.st_mode;
-       
-       yaffs_chmod("/boot/yyfile",0x55555);
-       printf("\nDirectory look-up of /boot\n");
-       dumpDir("/boot");
-       
-       yaffs_chmod("/boot/yyfile",temp_mode);
-       printf("\nDirectory look-up of /boot\n");
-       dumpDir("/boot");
-       
-       // Permission checks...
-       PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
-       PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
-       PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
-
-       PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
-       PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
-       PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
-
-       PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
-       PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
-       PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
-       
-       PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
-       PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
-       PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
-
-       yaffs_chmod("/boot/yyfile",temp_mode);
-       
-       //create a zero-length file and unlink it (test for scan bug)
-       
-       h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
-       yaffs_close(h);
-       
-       yaffs_unlink("/boot/zlf");
-       
-       
-       yaffs_DumpDevStruct("/boot");
-       
-       fill_disk_and_delete("/boot",20,20);
-       
-       yaffs_DumpDevStruct("/boot");
-       
-       fill_files("/boot",1,10000,0);
-       fill_files("/boot",1,10000,5000);
-       fill_files("/boot",2,10000,0);
-       fill_files("/boot",2,10000,5000);
-       
-       leave_unlinked_file("/data",20000,0);
-       leave_unlinked_file("/data",20000,5000);
-       leave_unlinked_file("/data",20000,5000);
-       leave_unlinked_file("/data",20000,5000);
-       leave_unlinked_file("/data",20000,5000);
-       leave_unlinked_file("/data",20000,5000);
-       
-       yaffs_DumpDevStruct("/boot");
-       yaffs_DumpDevStruct("/data");
-       
-
-       return 0;
-
-}
-
-int yaffs_scan_test(const char *path)
-{
-}
-
-
-
-int resize_stress_test(const char *path)
-{
-   int a,b,i,j;
-   int x;
-   int r;
-   char aname[100];
-   char bname[100];
-   
-   char abuffer[1000];
-   char bbuffer[1000];
-   
-   yaffs_StartUp();
-   
-   yaffs_mount(path);
-   
-   sprintf(aname,"%s%s",path,"/a");
-   sprintf(bname,"%s%s",path,"/b");
-   
-   memset(abuffer,'a',1000);
-   memset(bbuffer,'b',1000);
-   
-   a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
-   b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
-   
-   printf(" %s %d %s %d\n",aname,a,bname,b);
-  
-   x = 0;
-   
-   for(j = 0; j < 100; j++)
-   {
-               yaffs_lseek(a,0,SEEK_END);
+int resize_stress_test(const char *path)
+{
+   int a,b,i,j;
+   int x;
+   int r;
+   char aname[100];
+   char bname[100];
+   
+   char abuffer[1000];
+   char bbuffer[1000];
+   
+   yaffs_StartUp();
+   
+   yaffs_mount(path);
+   
+   sprintf(aname,"%s%s",path,"/a");
+   sprintf(bname,"%s%s",path,"/b");
+   
+   memset(abuffer,'a',1000);
+   memset(bbuffer,'b',1000);
+   
+   a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   
+   printf(" %s %d %s %d\n",aname,a,bname,b);
+  
+   x = 0;
+   
+   for(j = 0; j < 100; j++)
+   {
+               yaffs_lseek(a,0,SEEK_END);
 
                
                for(i = 0; i <20000; i++)
@@ -970,7 +1018,7 @@ int resize_stress_test(const char *path)
                                
                                syz -= 500;
                                if(syz < 0) syz = 0;
-                               yaffs_truncate(a,syz);
+                               yaffs_ftruncate(a,syz);
                                
                        }
                        else
@@ -988,6 +1036,28 @@ int resize_stress_test(const char *path)
    
 }
 
+int root_perm_remount(const char *path)
+{
+   struct yaffs_stat s;
+   
+   yaffs_StartUp();
+   
+   yaffs_mount(path);
+   
+   yaffs_stat(path,&s);
+   printf("root perms after mount %x\n",s.st_mode);
+   
+   yaffs_chmod(path, 0777);
+
+   yaffs_stat(path,&s);
+   printf("root perms after setting to 0777 is  %x\n",s.st_mode);
+   
+   yaffs_unmount(path);
+      
+   return 0;
+   
+}
+
 
 int resize_stress_test_no_grow_complex(const char *path,int iters)
 {
@@ -999,6 +1069,7 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
    
    char abuffer[1000];
    char bbuffer[1000];
+
    
    yaffs_StartUp();
    
@@ -1037,7 +1108,7 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
                                
                                        syz -= 2050;
                                        if(syz < 0) syz = 0;
-                                       yaffs_truncate(a,syz);
+                                       yaffs_ftruncate(a,syz);
                                        syz = yaffs_lseek(a,0,SEEK_END);
                                        printf("shrink to %d\n",syz);
                                }
@@ -1054,7 +1125,8 @@ int resize_stress_test_no_grow_complex(const char *path,int iters)
                        
                                        
                }
-               printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+               
+               printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
 
    }
    
@@ -1110,7 +1182,7 @@ int resize_stress_test_no_grow(const char *path,int iters)
                                
                                        syz -= 2050;
                                        if(syz < 0) syz = 0;
-                                       yaffs_truncate(a,syz);
+                                       yaffs_ftruncate(a,syz);
                                        syz = yaffs_lseek(a,0,SEEK_END);
                                        printf("shrink to %d\n",syz);
                                }
@@ -1127,7 +1199,7 @@ int resize_stress_test_no_grow(const char *path,int iters)
                        
                                        
                }
-               printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+               printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
 
    }
    
@@ -1211,7 +1283,6 @@ int cache_bypass_bug_test(void)
        // This bug has been fixed.
        
        int a;
-       int i;
        char buffer1[1000];
        char buffer2[1000];
        
@@ -1285,7 +1356,7 @@ int truncate_test(void)
        
        yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
        
-       yaffs_truncate(a,3);
+       yaffs_ftruncate(a,3);
        l= yaffs_lseek(a,0,SEEK_END);
        
        printf("truncated length is %d\n",l);
@@ -1308,26 +1379,1143 @@ int truncate_test(void)
 }
 
 
-int main(int argc, char *argv[])
+
+
+
+void fill_disk_test(const char *mountpt)
 {
-       //return long_test(argc,argv);
+       int i;
+       yaffs_StartUp();
        
-       //return cache_read_test();
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               fill_disk_and_delete(mountpt,100,i+1);
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
+
+void fill_files_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               fill_files(mountpt,2,3,100);
+               yaffs_unmount(mountpt);
+       }
        
-       //return resize_stress_test_no_grow("/flash",2);
+}
+
+void fill_empty_files_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       char name[100];
+       int result = 0;
        
+       int d,f;
 
+       for(i = 0; i < 5; i++)
+       {
+               yaffs_mount(mountpt);
+               for(d = 0; result >= 0 && d < 1000; d++){
+                       sprintf(name,"%s/%d",mountpt,d);
+                       result= yaffs_mkdir(name,0);
+                       printf("creating directory %s result %d\n",name,result);
+                       
+                       for(f = 0; result >= 0 && f < 100; f++){
+                               sprintf(name,"%s/%d/%d",mountpt,d,f);
+                               result= yaffs_open(name,O_CREAT, 0);
+                               yaffs_close(result);
+                               printf("creating file %s result %d\n",name,result);
+                       }
+               }
+               yaffs_unmount(mountpt);
+       }
        
-       scan_pattern_test("/ram2k",40000,10);
-       //short_scan_test("/flash",40000,200);
-       return 0;
+}
+
+void long_name_test(const char *mountpt)
+{
+       int i;
+       yaffs_StartUp();
+       char fullName[1000];
+       char name[300];
+       int result = 0;
        
-       long_test_on_path("/ram2k");
-       long_test_on_path("/ram2k");
+       int d,f;
        
-       // cache_bypass_bug_test();
+       // Make a 256 byte name
+       memset(name,0,sizeof(name));
+       for(i = 0; i < 256; i++)
+               name[i] = '0' + i % 10;
+               
+       sprintf(fullName,"%s/%s",mountpt,name);
+
+       for(i = 0; i < 1; i++)
+       {
+               yaffs_mount(mountpt);
+               
+               printf("Files at start\n");
+               dumpDir(mountpt);
+               
+               printf("Creating file %s\n",fullName);
+               
+               f = yaffs_open(fullName,O_CREAT | O_RDWR,0);
+               yaffs_close(f);
+               
+               printf("Result %d\n",f);
+                       
+               printf("Files\n");
+               dumpDir(mountpt);
+               
+               printf("Deleting %s\n",fullName);
+               result = yaffs_unlink(fullName);
+               printf("Result %d\n",result);
+               
+               printf("Files\n");
+               
+               dumpDir(mountpt);
+               
+               yaffs_unmount(mountpt);
+       }
+       
+}
+
+
+void lookup_test(const char *mountpt)
+{
+       int i;
+       int h;
+       char a[100];
+       
+
+       yaffs_DIR *d;
+       yaffs_dirent *de;
+
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+                               
+       d = yaffs_opendir(mountpt);
+       
+       if(!d)
+       {
+               printf("opendir failed\n");
+       }
+       else
+       {
+               
+               for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
+               {
+                       printf("unlinking %s\n",de->d_name);
+                       yaffs_unlink(de->d_name);
+               }
+               
+               printf("%d files deleted\n",i);
+       }
+       
+       
+       for(i = 0; i < 2000; i++){
+       sprintf(a,"%s/%d",mountpt,i);
+               h =  yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
+               yaffs_close(h);
+       }
+
+       yaffs_rewinddir(d);
+       for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
+       {
+               printf("%d  %s\n",i,de->d_name);
+       }       
+       
+       printf("%d files listed\n\n\n",i);
+       
+       yaffs_rewinddir(d);
+       yaffs_readdir(d);
+       yaffs_readdir(d);
+       yaffs_readdir(d);
+       
+       for(i = 0; i < 2000; i++){
+               sprintf(a,"%s/%d",mountpt,i);
+               yaffs_unlink(a);
+       }
+       
+               
+       yaffs_unmount(mountpt);
+       
+}
+
+void link_test0(const char *mountpt)
+{
+       int i;
+       char namea[300];
+       char nameb[300];
+       int result = 0;
        
-        free_space_check();
+
+       yaffs_StartUp();
+       yaffs_mount(mountpt);
+       
+               
+       sprintf(namea,"%s/a",mountpt);
+       sprintf(nameb,"%s/b",mountpt);
+
+       printf("mounted\n");
+        dumpDir(mountpt);
+
+       yaffs_unlink(namea);
+       printf("a unlinked\n");
+        dumpDir(mountpt);
+
+       yaffs_unlink(nameb);
+       printf("b unlinked\n");
+        dumpDir(mountpt);
+       
+       result = yaffs_open(namea,O_CREAT| O_RDWR,0666);
+        yaffs_close(result);
+       printf("a created\n");
+        dumpDir(mountpt);
+
+        yaffs_link(namea,nameb);
+        printf("linked\n");
+        dumpDir(mountpt);
+        yaffs_unlink(namea);
+        printf("a ulinked\n");
+        dumpDir(mountpt);
+        yaffs_unlink(nameb);
+        printf("b unlinked\n");
+        dumpDir(mountpt);
+
+       yaffs_unmount(mountpt);
+}
+
+
+void link_test1(const char *mountpt)
+{
+       int i;
+       int h;
+       char a[100];
+       char b[100];
+       char c[100];
+
+       sprintf(a,"%s/aaa",mountpt);
+       sprintf(b,"%s/bbb",mountpt);
+       sprintf(c,"%s/ccc",mountpt);
+       
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       
+       h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       for(i = 0; i < 100; i++)
+               yaffs_write(h,a,100);
+       
+       yaffs_close(h);
+       
+       yaffs_unlink(b);
+       yaffs_unlink(c);
+       yaffs_link(a,b);
+       yaffs_link(a,c);
+       yaffs_unlink(b);
+       yaffs_unlink(c);
+       yaffs_unlink(a);
+       
+       
+       yaffs_unmount(mountpt);
+       yaffs_mount(mountpt);
+       
+       printf("link test done\n");     
+}
+
+void handle_test(const char *mountpt)
+{
+       int i;
+       int h;
+       int cycle;
+       char a[100];
+
+       sprintf(a,"%s/aaa",mountpt);
+       
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+
+        for(cycle = 0; cycle < 5; cycle++){
+        printf("Start cycle %d\n",cycle);
+       i = 0;
+       do {
+        h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       printf("%d  handle %d\n",i,h);
+       i++;
+       } while(h >= 0);
+       
+       while(i >= -1) {
+        yaffs_close(i);
+        i--;
+        }
+        }
+       
+       yaffs_unmount(mountpt);
+}
+
+void freespace_test(const char *mountpt)
+{
+       int i;
+       int h;
+       char a[100];
+       
+       int  f0;
+       int f1;
+       int f2;
+       int f3;
+       sprintf(a,"%s/aaa",mountpt);
+       
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       f0 = yaffs_freespace(mountpt);
+       
+       h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       
+       for(i = 0; i < 100; i++)
+               yaffs_write(h,a,100);
+       
+       yaffs_close(h);
+       
+       f1 = yaffs_freespace(mountpt);
+       
+       yaffs_unlink(a);
+       
+       f2 = yaffs_freespace(mountpt);
+       
+               
+       yaffs_unmount(mountpt);
+       yaffs_mount(mountpt);
+       
+       f3 = yaffs_freespace(mountpt);
+       
+       printf("%d\n%d\n%d\n%d\n",f0, f1,f2,f3);
+       
+       
+}
+
+void simple_rw_test(const char *mountpt)
+{
+       int i;
+       int h;
+       char a[100];
+       
+       int x;
+       int result;
+
+       sprintf(a,"%s/aaa",mountpt);
+       
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       yaffs_unlink(a);
+       
+       h = yaffs_open(a,O_CREAT| O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       
+       for(i = 100000;i < 200000; i++){
+               result = yaffs_write(h,&i,sizeof(i));
+               
+               if(result != 4)
+               {
+                       printf("write error\n");
+                       exit(1);
+               }
+       }
+       
+       //yaffs_close(h);
+       
+       // h = yaffs_open(a,O_RDWR, S_IREAD | S_IWRITE);
+       
+       
+       yaffs_lseek(h,0,SEEK_SET);
+       
+       for(i = 100000; i < 200000; i++){
+               result = yaffs_read(h,&x,sizeof(x));
+               
+               if(result != 4 || x != i){
+                       printf("read error %d %x %x\n",i,result,x);
+               }
+       }
+       
+       printf("Simple rw test passed\n");
+       
+       
+       
+}
+
+
+void scan_deleted_files_test(const char *mountpt)
+{
+       char fn[100];
+       char sub[100];
+       
+       const char *p;
+       
+       int i;
+       int j;
+       int k;
+       int h;
+       
+       sprintf(sub,"%s/sdir",mountpt);
+       yaffs_StartUp();
+       
+       for(j = 0; j < 10; j++)
+       {
+               printf("\n\n>>>>>>> Run %d <<<<<<<<<<<<<\n\n",j);
+               yaffs_mount(mountpt);
+               yaffs_mkdir(sub,0);
+               
+               
+               p = (j & 0) ? mountpt: sub;
+       
+               for(i = 0; i < 100; i++)
+               {
+                 sprintf(fn,"%s/%d",p,i);  
+                 
+                 if(i & 1)
+                 {
+                         h = yaffs_open(fn,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+                         for(k = 0; k < 1000; k++)
+                                 yaffs_write(h,fn,100);
+                         yaffs_close(h);
+                 }
+                 else
+                       yaffs_mkdir(fn,0);
+               }
+               
+               for(i = 0; i < 10; i++)
+               {
+                 sprintf(fn,"%s/%d",p,i);  
+                 if(i & 1) 
+                       yaffs_unlink(fn);
+                 else
+                       yaffs_rmdir(fn);
+                 
+               }
+                               
+               yaffs_unmount(mountpt);
+       }
+       
+       
+       
+
+}
+
+
+void write_10k(int h)
+{
+   int i;
+   const char *s="0123456789";
+   for(i = 0; i < 1000; i++)
+     yaffs_write(h,s,10);
+
+}
+void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
+{
+   int h1;
+   int i;
+   int offs;
+   
+   h1 = yaffs_open(fn, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+   
+   for(i = 0; i < 100000; i+= 10000)
+   {
+       write_10k(h1);
+   }
+   
+   offs = yaffs_lseek(h1,0,SEEK_CUR);
+   if( offs != 100000)
+   {
+       printf("Could not write file\n");
+   }
+   
+   yaffs_unlink(fdel);
+   for(i = 0; i < 100000; i+= 10000)
+   {
+       write_10k(h1);
+   }
+   
+   offs = yaffs_lseek(h1,0,SEEK_CUR);
+   if( offs != 200000)
+   {
+       printf("Could not write file\n");
+   }
+   
+   yaffs_close(h1);
+   yaffs_unlink(fdel1);
+   
+}
+
+
+void verify_200k_file(const char *fn)
+{
+   int h1;
+   int i;
+   char x[11];
+   const char *s="0123456789";
+   int errCount = 0;
+   
+   h1 = yaffs_open(fn, O_RDONLY, 0);
+   
+   for(i = 0; i < 200000 && errCount < 10; i+= 10)
+   {
+       yaffs_read(h1,x,10);
+       if(strncmp(x,s,10) != 0)
+       {
+               printf("File %s verification failed at %d\n",fn,i);
+               errCount++;
+       }
+   }
+   if(errCount >= 10)
+       printf("Too many errors... aborted\n");
+      
+   yaffs_close(h1);       
+       
+}
+
+
+void check_resize_gc_bug(const char *mountpt)
+{
+
+       char a[30];
+       char b[30];
+       char c[30];
+       
+       int i;
+       
+       sprintf(a,"%s/a",mountpt);
+       sprintf(b,"%s/b",mountpt);
+       sprintf(c,"%s/c",mountpt);
+       
+
+       
+       
+       yaffs_StartUp();
+       yaffs_mount(mountpt);
+       yaffs_unlink(a);
+       yaffs_unlink(b);
+       
+       for(i = 0; i < 50; i++)
+       {  
+          printf("A\n");write_200k_file(a,"",c);
+          printf("B\n");verify_200k_file(a);
+          printf("C\n");write_200k_file(b,a,c);
+          printf("D\n");verify_200k_file(b);
+          yaffs_unmount(mountpt);
+          yaffs_mount(mountpt);
+          printf("E\n");verify_200k_file(a);
+          printf("F\n");verify_200k_file(b);
+       }
+               
+}
+
+
+void multi_mount_test(const char *mountpt,int nmounts)
+{
+
+       char a[30];
+       
+       int i;
+       int j;
+       
+       sprintf(a,"%s/a",mountpt);
+
+       yaffs_StartUp();
+       
+       for(i = 0; i < nmounts; i++){
+               int h0;
+               int h1;
+               int len0;
+               int len1;
+               
+               static char xx[1000];
+               
+               printf("############### Iteration %d   Start\n",i);
+               if(1 || i == 0 || i == 5) 
+                       yaffs_mount(mountpt);
+
+               dump_directory_tree(mountpt);
+               
+               
+               yaffs_mkdir(a,0);
+               
+               sprintf(xx,"%s/0",a);
+               h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+               
+               sprintf(xx,"%s/1",a);
+               h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+
+#if 0          
+               for(j = 0; j < 200; j++){
+                  yaffs_write(h0,xx,1000);
+                  yaffs_write(h1,xx,1000);
+               }
+#else
+               while(yaffs_write(h0,xx,1000) > 0){
+                  
+                  yaffs_write(h1,xx,1000);
+               }
+#endif
+               len0 = yaffs_lseek(h0,0,SEEK_END);
+               len1 = yaffs_lseek(h1,0,SEEK_END);
+               
+               yaffs_lseek(h0,0,SEEK_SET);
+               yaffs_lseek(h1,0,SEEK_SET);
+
+               for(j = 0; j < 200; j++){
+                  yaffs_read(h0,xx,1000);
+                  yaffs_read(h1,xx,1000);
+               }
+               
+               
+       //      yaffs_truncate(h0,0);
+               yaffs_close(h0);
+               yaffs_close(h1);
+               
+               printf("########### %d\n",i);
+               dump_directory_tree(mountpt);
+
+               if(1 || i == 4 || i == nmounts -1)
+                       yaffs_unmount(mountpt);
+       }
+}
+
+
+void small_mount_test(const char *mountpt,int nmounts)
+{
+
+       char a[30];
+       
+       int i;
+       int j;
+
+       int h0;
+       int h1;
+       int len0;
+       int len1;
+       int nread;
+       
+       sprintf(a,"%s/a",mountpt);
+
+       yaffs_StartUp();
+       
+       
+       
+       for(i = 0; i < nmounts; i++){
+               
+               static char xx[1000];
+               
+               printf("############### Iteration %d   Start\n",i);
+               if(1 || i == 0 || i == 5) 
+                       yaffs_mount(mountpt);
+
+               dump_directory_tree(mountpt);
+               
+               yaffs_mkdir(a,0);
+               
+               sprintf(xx,"%s/0",a);
+               if(i ==0){
+               
+                       h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+                       for(j = 0; j < 130; j++)
+                               yaffs_write(h0,xx,1000);
+                       yaffs_close(h0);
+               }
+               
+               h0 = yaffs_open(xx,O_RDONLY,0);
+               
+               sprintf(xx,"%s/1",a);
+               h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+               
+               while((nread = yaffs_read(h0,xx,1000)) > 0)
+                       yaffs_write(h1,xx,nread);
+               
+               
+               len0 = yaffs_lseek(h0,0,SEEK_END);
+               len1 = yaffs_lseek(h1,0,SEEK_END);
+               
+               yaffs_lseek(h0,0,SEEK_SET);
+               yaffs_lseek(h1,0,SEEK_SET);
+
+               for(j = 0; j < 200; j++){
+                  yaffs_read(h0,xx,1000);
+                  yaffs_read(h1,xx,1000);
+               }
+               
+               yaffs_close(h0);
+               yaffs_close(h1);
+               
+               printf("########### %d\n",i);
+               dump_directory_tree(mountpt);
+
+               if(1 || i == 4 || i == nmounts -1)
+                       yaffs_unmount(mountpt);
+       }
+}
+
+
+int early_exit;
+
+void small_overwrite_test(const char *mountpt,int nmounts)
+{
+
+       char a[30];
+       int i;
+       int j;
+
+       int h0;
+       int h1;
+
+       
+       sprintf(a,"%s/a",mountpt);
+
+       yaffs_StartUp();
+       
+       
+       
+       for(i = 0; i < nmounts; i++){
+               
+               static char xx[8000];
+               
+               printf("############### Iteration %d   Start\n",i);
+               if(1)
+                       yaffs_mount(mountpt);
+
+               dump_directory_tree(mountpt);
+               
+               yaffs_mkdir(a,0);
+               
+               sprintf(xx,"%s/0",a);
+               h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+               sprintf(xx,"%s/1",a);
+               h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+               
+               for(j = 0; j < 1000000; j+=1000){
+                       yaffs_ftruncate(h0,j);
+                       yaffs_lseek(h0,j,SEEK_SET);
+                       yaffs_write(h0,xx,7000);
+                       yaffs_write(h1,xx,7000);
+                       
+                       if(early_exit)
+                               exit(0);
+               }
+               
+               yaffs_close(h0);
+               
+               printf("########### %d\n",i);
+               dump_directory_tree(mountpt);
+
+               if(1)
+                       yaffs_unmount(mountpt);
+       }
+}
+
+
+void seek_overwrite_test(const char *mountpt,int nmounts)
+{
+
+       char a[30];
+       
+       int i;
+       int j;
+
+       int h0;
+
+       
+       sprintf(a,"%s/f",mountpt);
+
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       
+       for(i = 0; i < nmounts; i++){
+               
+               h0 = yaffs_open(a, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+                       
+               for(j = 0; j < 100000; j++){
+                       yaffs_lseek(h0,0,SEEK_SET);
+                       yaffs_write(h0,xx,5000);
+                       yaffs_lseek(h0,0x100000,SEEK_SET);
+                       yaffs_write(h0,xx,5000);
+                       
+                       if(early_exit)
+                               exit(0);
+               }
+               
+               yaffs_close(h0);
+               
+       }
+}
+
+
+void yaffs_touch(const char *fn)
+{
+       yaffs_chmod(fn, S_IREAD | S_IWRITE);
+}
+
+void checkpoint_fill_test(const char *mountpt,int nmounts)
+{
+
+       char a[50];
+       char b[50];
+       char c[50];
+       
+       int i;
+       int j;
+       int h;
+       
+       sprintf(a,"%s/a",mountpt);
+       
+
+       
+       
+       yaffs_StartUp();
+       
+       for(i = 0; i < nmounts; i++){
+               printf("############### Iteration %d   Start\n",i);
+               yaffs_mount(mountpt);
+               dump_directory_tree(mountpt);
+               yaffs_mkdir(a,0);
+               
+               sprintf(b,"%s/zz",a);
+               
+               h = yaffs_open(b,O_CREAT | O_RDWR,S_IREAD |S_IWRITE);
+               
+               
+               while(yaffs_write(h,c,50) == 50){}
+               
+               yaffs_close(h);
+               
+               for(j = 0; j < 2; j++){
+                       printf("touch %d\n",j);
+                       yaffs_touch(b);
+                       yaffs_unmount(mountpt);
+                       yaffs_mount(mountpt);
+               }
+
+               dump_directory_tree(mountpt);           
+               yaffs_unmount(mountpt);
+       }
+}
+
+
+int make_file2(const char *name1, const char *name2,int syz)
+{
+
+       char xx[2500];
+       int i;
+       int h1=-1,h2=-1;
+       int n = 1;
+
+
+       if(name1)
+               h1 = yaffs_open(name1,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       if(name2)
+               h2 = yaffs_open(name2,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+       
+       while(syz > 0 && n > 0){
+               i = (syz > 2500) ? 2500 : syz;
+               n = yaffs_write(h1,xx,i);
+               n = yaffs_write(h2,xx,i);
+               syz -= 500;
+       }
+       yaffs_close(h1);
+       yaffs_close(h2);
+       return 0;
+}
+
+
+extern void SetCheckpointReservedBlocks(int n);
+
+void checkpoint_upgrade_test(const char *mountpt,int nmounts)
+{
+
+       char a[50];
+       char b[50];
+       char c[50];
+       char d[50];
+
+       int j;
+       
+       sprintf(a,"%s/a",mountpt);
+       
+
+       
+       
+       printf("Create start condition\n");
+       yaffs_StartUp();
+       yaffs_mount(mountpt);
+       yaffs_mkdir(a,0);
+       sprintf(b,"%s/zz",a);
+       sprintf(c,"%s/xx",a);
+       make_file2(b,c,2000000);
+       sprintf(d,"%s/aa",a);
+       make_file2(d,NULL,500000000);
+       dump_directory_tree(mountpt);
+       
+       printf("Umount/mount attempt full\n");
+       yaffs_unmount(mountpt);
+       
+       yaffs_mount(mountpt);
+       
+       printf("unlink small file\n");
+       yaffs_unlink(c);
+       dump_directory_tree(mountpt);
+               
+       printf("Umount/mount attempt\n");
+       yaffs_unmount(mountpt);
+       yaffs_mount(mountpt);
+       
+       for(j = 0; j < 500; j++){
+               printf("***** touch %d\n",j);
+               dump_directory_tree(mountpt);
+               yaffs_touch(b);
+               yaffs_unmount(mountpt);
+               yaffs_mount(mountpt);
+       }
+
+       for(j = 0; j < 500; j++){
+               printf("***** touch %d\n",j);
+               dump_directory_tree(mountpt);
+               yaffs_touch(b);
+               yaffs_unmount(mountpt);
+               yaffs_mount(mountpt);
+       }
+}
+       
+void huge_array_test(const char *mountpt,int n)
+{
+
+       char a[50];
+
+       
+       int i;
+       int space;
+       
+       int fnum;
+       
+       sprintf(a,"mount point %s",mountpt);
+       
+
+       
+       yaffs_StartUp();
+
+       yaffs_mount(mountpt);
+       
+       while(n>0){
+               n--;
+               fnum = 0;
+               printf("\n\n START run\n\n");
+               while((space = yaffs_freespace(mountpt)) > 25000000){
+                       sprintf(a,"%s/file%d",mountpt,fnum);
+                       fnum++;
+                       printf("create file %s, free space %d\n",a,space);
+                       create_file_of_size(a,10000000);
+                       printf("verifying file %s\n",a);
+                       verify_file_of_size(a,10000000);
+               }
+               
+               printf("\n\n verification/deletion\n\n");
+               
+               for(i = 0; i < fnum; i++){
+                       sprintf(a,"%s/file%d",mountpt,i);
+                       printf("verifying file %s\n",a);
+                       verify_file_of_size(a,10000000);
+                       printf("deleting file %s\n",a);
+                       yaffs_unlink(a);
+               }
+               printf("\n\n done \n\n");
+                       
+                  
+       }
+}
+
+
+void random_write(int h)
+{
+       static char buffer[12000];
+       int n;
+       
+       n = random() & 0x1FFF;
+       yaffs_write(h,buffer,n);
+}
+
+void random_seek(int h)
+{
+       int n;
+       n = random() & 0xFFFFF;
+       yaffs_lseek(h,n,SEEK_SET);
+}
+
+void random_truncate(int h, char * name)
+{
+       int n;
+       int flen;
+       n = random() & 0xFFFFF;
+       flen = yaffs_lseek(h,0,SEEK_END);
+       if(n > flen)
+               n = flen / 2;
+       yaffs_ftruncate(h,n);
+       yaffs_lseek(h,n,SEEK_SET);
+}
+
+
+#define NSMALLFILES 10 
+void random_small_file_test(const char *mountpt,int iterations)
+{
+
+       char a[NSMALLFILES][50];
+
+       
+       int i;
+       int n;
+       int h[NSMALLFILES];
+       int r;
+       
+       
+       yaffs_StartUp();
+
+       yaffs_mount(mountpt);
+       
+       for(i = 0; i < NSMALLFILES; i++){
+               h[i]=-1;
+               strcpy(a[i],"");
+       }
+       
+       for(n = 0; n < iterations; n++){
+                               
+               for(i = 0; i < NSMALLFILES; i++) {
+                       r = random();
+                       
+                       if(strlen(a[i]) == 0){
+                               sprintf(a[i],"%s/%dx%d",mountpt,n,i);
+                               h[i] = yaffs_open(a[i],O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+                       }
+                       
+                       if(h[i] < -1)
+                               printf("Could not open yaffs file %d %d error %d\n",n,i,h[i]);
+                       else {
+                               r = r & 7;
+                               switch(r){
+                                       case 0:
+                                       case 1:
+                                       case 2:
+                                               random_write(h[i]);
+                                               break;
+                                       case 3:
+                                               random_truncate(h[i],a[i]);
+                                               break;
+                                       case 4:
+                                       case 5: random_seek(h[i]);
+                                               break;
+                                       case 6:
+                                               yaffs_close(h[i]);
+                                               h[i] = -1;
+                                               break;
+                                       case 7:
+                                               yaffs_close(h[i]);
+                                               yaffs_unlink(a[i]);
+                                               strcpy(a[i],"");
+                                               h[i] = -1;
+                               }
+                       }
+               }
+                  
+       }
+       
+       for(i = 0; i < NSMALLFILES; i++)
+               yaffs_close(h[i]);
+               
+       yaffs_unmount(mountpt);
+}
+
+void rmdir_test(const char *mountpt)
+{
+       char name[100];
+       yaffs_StartUp();
+       
+       yaffs_mount(mountpt);
+       
+       strcpy(name,mountpt);
+       strcat(name,"/");
+       strcat(name,"hello");
+       yaffs_mkdir(name,0666);
+       yaffs_rmdir(name);
+       yaffs_unmount(mountpt);
+}
+       
+
+int random_seed;
+int simulate_power_failure;
+
+int main(int argc, char *argv[])
+{
+       random_seed = time(NULL);
+       //return long_test(argc,argv);
+       
+       //return cache_read_test();
+       
+       // resize_stress_test_no_grow("/flash/flash",20);
+       //root_perm_remount("/flash/flash");
+       
+       //huge_directory_test_on_path("/ram2k");
+       
+        //yaffs_backward_scan_test("/flash/flash");
+       // yaffs_device_flush_test("/flash/flash");
+
+       //rename_over_test("//////////////////flash///////////////////yaffs1///////////");
+       
+       fill_empty_files_test("/yaffs2/");
+       //long_name_test("/yaffs2");
+       //link_test0("/yaffs2");
+       //link_test1("yaffs2");
+        //scan_pattern_test("/flash",10000,10);
+       //short_scan_test("/flash/flash",40000,200);
+         //small_mount_test("/flash/flash",1000);
+         //small_overwrite_test("/flash/flash",1000);
+         //seek_overwrite_test("/flash/flash",1000);
+        //checkpoint_fill_test("/flash/flash",20);
+        //checkpoint_upgrade_test("/flash/flash",20);
+         //small_overwrite_test("/flash/flash",1000);
+         //checkpoint_fill_test("/flash/flash",20);
+       // random_small_file_test("/flash/flash",10000);
+        // huge_array_test("/flash/flash",10);
+
+
+       handle_test("yaffs2/");
+       
+       //long_test_on_path("/ram2k");
+       // long_test_on_path("/flash");
+       //simple_rw_test("/flash/flash");
+       //fill_disk_test("/flash/flash");
+       // rename_over_test("/flash");
+       //lookup_test("/flash");
+       //freespace_test("/flash/flash");
+       
+       //link_test("/flash/flash");
+       
+       
+       
+       
+       // cache_bypass_bug_test();
+       
+        //free_space_check();
+        
+        //check_resize_gc_bug("/flash");
         
         return 0;