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-rw-r--r--fs/yaffs2/direct/dtest.c2280
1 files changed, 2280 insertions, 0 deletions
diff --git a/fs/yaffs2/direct/dtest.c b/fs/yaffs2/direct/dtest.c
new file mode 100644
index 000000000..be492b47c
--- /dev/null
+++ b/fs/yaffs2/direct/dtest.c
@@ -0,0 +1,2280 @@
+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 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.
+ */
+
+/*
+* Test code for the "direct" interface.
+*/
+
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "yaffsfs.h"
+
+void dumpDir(const char *dname);
+
+char xx[600];
+
+void copy_in_a_file(char *yaffsName,char *inName)
+{
+ int inh,outh;
+ unsigned char buffer[100];
+ int ni,no;
+ inh = open(inName,O_RDONLY);
+ outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+ while((ni = read(inh,buffer,100)) > 0)
+ {
+ no = yaffs_write(outh,buffer,ni);
+ if(ni != no)
+ {
+ printf("problem writing yaffs file\n");
+ }
+
+ }
+
+ yaffs_close(outh);
+ close(inh);
+}
+
+void make_a_file(char *yaffsName,char bval,int sizeOfFile)
+{
+ int outh;
+ int i;
+ unsigned char buffer[100];
+
+ outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+ memset(buffer,bval,100);
+
+ do{
+ i = sizeOfFile;
+ if(i > 100) i = 100;
+ sizeOfFile -= i;
+
+ yaffs_write(outh,buffer,i);
+
+ } while (sizeOfFile > 0);
+
+
+ yaffs_close(outh);
+
+}
+
+void make_pattern_file(char *fn,int size)
+{
+ int outh;
+ int marker;
+ int i;
+ outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+ yaffs_lseek(outh,size-1,SEEK_SET);
+ yaffs_write(outh,"A",1);
+
+ for(i = 0; i < size; i+=256)
+ {
+ marker = ~i;
+ yaffs_lseek(outh,i,SEEK_SET);
+ yaffs_write(outh,&marker,sizeof(marker));
+ }
+ yaffs_close(outh);
+
+}
+
+int check_pattern_file(char *fn)
+{
+ int h;
+ int marker;
+ int i;
+ int size;
+ int ok = 1;
+
+ h = yaffs_open(fn, O_RDWR,0);
+ size = yaffs_lseek(h,0,SEEK_END);
+
+ for(i = 0; i < size; i+=256)
+ {
+ yaffs_lseek(h,i,SEEK_SET);
+ yaffs_read(h,&marker,sizeof(marker));
+ ok = (marker == ~i);
+ if(!ok)
+ {
+ printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n",
+ fn,size,i,marker,~i);
+ }
+ }
+ yaffs_close(h);
+ return ok;
+}
+
+
+
+
+
+int dump_file_data(char *fn)
+{
+ int h;
+ int marker;
+ int i = 0;
+ int size;
+ 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;
+ int size;
+ int h;
+
+ h = yaffs_open(fn,O_RDONLY,0);
+ if(h < 0)
+ {
+ printf("*****\nDump file %s does not exist\n",fn);
+ }
+ else
+ {
+ size = yaffs_lseek(h,0,SEEK_SET);
+ printf("*****\nDump file %s size %d\n",fn,size);
+ for(i = 0; i < size; i++)
+ {
+
+ }
+ }
+}
+
+void create_file_of_size(const char *fn,int syze)
+{
+ int h;
+ int n;
+
+ 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);
+ yaffs_write(h,xx,strlen(xx));
+ iterations--;
+ }
+ yaffs_close (h);
+}
+
+void verify_file_of_size(const char *fn,int syze)
+{
+ int h;
+ int n;
+
+ 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);
+
+ yaffs_read(h,yy,l);
+ yy[l] = 0;
+
+ if(strcmp(xx,yy)){
+ printf("=====>>>>> verification of file %s failed near position %d\n",fn,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 n;
+
+
+ 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_truncate(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;
+ char fn[100];
+
+ sprintf(fn,"%s/%s",path,"f1");
+
+ yaffs_StartUp();
+ for(i = 0; i < niterations; i++)
+ {
+ printf("\n*****************\nIteration %d\n",i);
+ yaffs_mount(path);
+ printf("\nmount: Directory look-up of %s\n",path);
+ dumpDir(path);
+ make_a_file(fn,1,fsize);
+ yaffs_unmount(path);
+ }
+}
+
+
+
+void scan_pattern_test(const char *path, int fsize, int niterations)
+{
+ int i;
+ int j;
+ char fn[3][100];
+ int result;
+
+ sprintf(fn[0],"%s/%s",path,"f0");
+ sprintf(fn[1],"%s/%s",path,"f1");
+ sprintf(fn[2],"%s/%s",path,"f2");
+
+ yaffs_StartUp();
+
+ for(i = 0; i < niterations; i++)
+ {
+ printf("\n*****************\nIteration %d\n",i);
+ yaffs_mount(path);
+ printf("\nmount: Directory look-up of %s\n",path);
+ 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)
+{
+ int h;
+ int n;
+ int result;
+ int f;
+
+ char str[50];
+
+ for(n = 0; n < nfiles; n++)
+ {
+ sprintf(str,"%s/%d",path,n);
+
+ h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+ printf("writing file %s handle %d ",str, h);
+
+ while ((result = yaffs_write(h,xx,600)) == 600)
+ {
+ f = yaffs_freespace(path);
+ }
+ result = yaffs_close(h);
+ printf(" close %d\n",result);
+ }
+}
+
+void fill_disk_and_delete(char *path, int nfiles, int ncycles)
+{
+ int i,j;
+ char str[50];
+ int result;
+
+ for(i = 0; i < ncycles; i++)
+ {
+ printf("@@@@@@@@@@@@@@ cycle %d\n",i);
+ fill_disk(path,nfiles);
+
+ for(j = 0; j < nfiles; j++)
+ {
+ sprintf(str,"%s/%d",path,j);
+ result = yaffs_unlink(str);
+ printf("unlinking file %s, result %d\n",str,result);
+ }
+ }
+}
+
+
+void fill_files(char *path,int flags, int maxIterations,int siz)
+{
+ int i;
+ int j;
+ char str[50];
+ int h;
+
+ i = 0;
+
+ 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)
+ {
+ for(j = 0; j < siz; j++)
+ {
+ yaffs_write(h,str,1);
+ }
+ }
+
+ if( flags & 1)
+ {
+ yaffs_unlink(str);
+ }
+ i++;
+ } while(h >= 0 && i < maxIterations);
+
+ if(flags & 2)
+ {
+ i = 0;
+ do{
+ sprintf(str,"%s/%d",path,i);
+ printf("unlink %s\n",str);
+ i++;
+ } while(yaffs_unlink(str) >= 0);
+ }
+}
+
+void leave_unlinked_file(char *path,int maxIterations,int siz)
+{
+ int i;
+ char str[50];
+ int h;
+
+ i = 0;
+
+ do{
+ sprintf(str,"%s/%d",path,i);
+ printf("create %s\n",str);
+ h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
+ if(h >= 0)
+ {
+ yaffs_unlink(str);
+ }
+ i++;
+ } while(h < 0 && i < maxIterations);
+
+ if(h >= 0)
+ {
+ for(i = 0; i < siz; i++)
+ {
+ yaffs_write(h,str,1);
+ }
+ }
+
+ printf("Leaving file %s open\n",str);
+
+}
+
+void dumpDirFollow(const char *dname)
+{
+ yaffs_DIR *d;
+ yaffs_dirent *de;
+ struct yaffs_stat s;
+ char str[100];
+
+ d = yaffs_opendir(dname);
+
+ if(!d)
+ {
+ printf("opendir failed\n");
+ }
+ else
+ {
+ while((de = yaffs_readdir(d)) != NULL)
+ {
+ sprintf(str,"%s/%s",dname,de->d_name);
+
+ yaffs_stat(str,&s);
+
+ printf("%s length %d mode %X ",de->d_name,(int)s.st_size,s.st_mode);
+ switch(s.st_mode & S_IFMT)
+ {
+ case S_IFREG: printf("data file"); break;
+ case S_IFDIR: printf("directory"); break;
+ case S_IFLNK: printf("symlink -->");
+ if(yaffs_readlink(str,str,100) < 0)
+ printf("no alias");
+ else
+ printf("\"%s\"",str);
+ break;
+ default: printf("unknown"); break;
+ }
+
+ printf("\n");
+ }
+
+ yaffs_closedir(d);
+ }
+ printf("\n");
+
+ printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
+
+}
+
+
+void dump_directory_tree_worker(const char *dname,int recursive)
+{
+ yaffs_DIR *d;
+ yaffs_dirent *de;
+ struct yaffs_stat s;
+ char str[1000];
+
+ d = yaffs_opendir(dname);
+
+ if(!d)
+ {
+ printf("opendir failed\n");
+ }
+ else
+ {
+ while((de = yaffs_readdir(d)) != NULL)
+ {
+ sprintf(str,"%s/%s",dname,de->d_name);
+
+ yaffs_lstat(str,&s);
+
+ 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;
+ case S_IFDIR: printf("directory"); break;
+ case S_IFLNK: printf("symlink -->");
+ if(yaffs_readlink(str,str,100) < 0)
+ printf("no alias");
+ else
+ printf("\"%s\"",str);
+ break;
+ default: printf("unknown"); break;
+ }
+
+ 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));
+}
+
+
+static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult)
+{
+ int fd;
+
+ if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n");
+
+ fd = yaffs_open(path,tflags,0);
+
+ if((fd >= 0) != (expectedResult > 0))
+ {
+ printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult);
+ }
+ else
+ {
+ printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult);
+ }
+
+
+ yaffs_close(fd);
+
+
+}
+
+int long_test(int argc, char *argv[])
+{
+
+ int f;
+ int r;
+ char buffer[20];
+
+ char str[100];
+
+ int h;
+ mode_t temp_mode;
+ struct yaffs_stat ystat;
+
+ yaffs_StartUp();
+
+ yaffs_mount("/boot");
+ yaffs_mount("/data");
+ yaffs_mount("/flash");
+ yaffs_mount("/ram");
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+ printf("\nDirectory look-up of /data\n");
+ dumpDir("/data");
+ printf("\nDirectory look-up of /flash\n");
+ dumpDir("/flash");
+
+ //leave_unlinked_file("/flash",20000,0);
+ //leave_unlinked_file("/data",20000,0);
+
+ leave_unlinked_file("/ram",20,0);
+
+
+ f = yaffs_open("/boot/b1", O_RDONLY,0);
+
+ printf("open /boot/b1 readonly, f=%d\n",f);
+
+ f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
+
+ printf("open /boot/b1 O_CREAT, f=%d\n",f);
+
+
+ r = yaffs_write(f,"hello",1);
+ printf("write %d attempted to write to a read-only file\n",r);
+
+ r = yaffs_close(f);
+
+ printf("close %d\n",r);
+
+ f = yaffs_open("/boot/b1", O_RDWR,0);
+
+ printf("open /boot/b1 O_RDWR,f=%d\n",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);
+
+ // 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);
+
+ copy_in_a_file("/boot/yyfile","xxx");
+
+ // Create a file with a long name
+
+ copy_in_a_file("/boot/file with a long name","xxx");
+
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+
+ // Check stat
+ r = yaffs_stat("/boot/file with a long name",&ystat);
+
+ // Check rename
+
+ r = yaffs_rename("/boot/file with a long name","/boot/r1");
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+
+ // Check unlink
+ r = yaffs_unlink("/boot/r1");
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+
+ // Check mkdir
+
+ r = yaffs_mkdir("/boot/directory1",0);
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+ printf("\nDirectory look-up of /boot/directory1\n");
+ dumpDir("/boot/directory1");
+
+ // add a file to the directory
+ copy_in_a_file("/boot/directory1/file with a long name","xxx");
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+ printf("\nDirectory look-up of /boot/directory1\n");
+ dumpDir("/boot/directory1");
+
+ // Attempt to delete directory (should fail)
+
+ r = yaffs_rmdir("/boot/directory1");
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+ printf("\nDirectory look-up of /boot/directory1\n");
+ dumpDir("/boot/directory1");
+
+ // Delete file first, then rmdir should work
+ r = yaffs_unlink("/boot/directory1/file with a long name");
+ r = yaffs_rmdir("/boot/directory1");
+
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+ printf("\nDirectory look-up of /boot/directory1\n");
+ dumpDir("/boot/directory1");
+
+#if 0
+ fill_disk_and_delete("/boot",20,20);
+
+ printf("\nDirectory look-up of /boot\n");
+ dumpDir("/boot");
+#endif
+
+ 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",(int)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 huge_directory_test_on_path(char *path)
+{
+
+ yaffs_DIR *d;
+ yaffs_dirent *de;
+ struct yaffs_stat s;
+
+ int f;
+ int i;
+ int r;
+ int total = 0;
+ int lastTotal = 0;
+ char buffer[20];
+
+ char str[100];
+ char name[100];
+ char name2[100];
+
+ int h;
+ mode_t temp_mode;
+ struct yaffs_stat ystat;
+
+ yaffs_StartUp();
+
+ yaffs_mount(path);
+
+ // Create a large number of files
+
+ 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);
+ }
+
+
+
+ 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;
+ }
+ }
+
+ yaffs_closedir(d);
+ }
+
+ return 0;
+}
+
+int yaffs_scan_test(const char *path)
+{
+}
+
+
+void rename_over_test(const char *mountpt)
+{
+ int i;
+ char a[100];
+ char b[100];
+
+ sprintf(a,"%s/a",mountpt);
+ sprintf(b,"%s/b",mountpt);
+
+ yaffs_StartUp();
+
+ yaffs_mount(mountpt);
+ i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
+ yaffs_close(i);
+ i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, 0);
+ 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)
+
+
+ yaffs_unmount(mountpt);
+
+}
+
+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++)
+ {
+ //r = yaffs_lseek(b,i,SEEK_SET);
+ //r = yaffs_write(b,bbuffer,1000);
+
+ if(x & 0x16)
+ {
+ // shrink
+ int syz = yaffs_lseek(a,0,SEEK_END);
+
+ syz -= 500;
+ if(syz < 0) syz = 0;
+ yaffs_truncate(a,syz);
+
+ }
+ else
+ {
+ //expand
+ r = yaffs_lseek(a,i * 500,SEEK_SET);
+ r = yaffs_write(a,abuffer,1000);
+ }
+ x++;
+
+ }
+ }
+
+ return 0;
+
+}
+
+
+int resize_stress_test_no_grow_complex(const char *path,int iters)
+{
+ 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 < iters; j++)
+ {
+ yaffs_lseek(a,0,SEEK_END);
+
+
+ for(i = 0; i <20000; i++)
+ {
+ //r = yaffs_lseek(b,i,SEEK_SET);
+ //r = yaffs_write(b,bbuffer,1000);
+
+ if(!(x%20))
+ {
+ // shrink
+ int syz = yaffs_lseek(a,0,SEEK_END);
+
+ while(syz > 4000)
+ {
+
+ syz -= 2050;
+ if(syz < 0) syz = 0;
+ yaffs_truncate(a,syz);
+ syz = yaffs_lseek(a,0,SEEK_END);
+ printf("shrink to %d\n",syz);
+ }
+
+
+ }
+ else
+ {
+ //expand
+ r = yaffs_lseek(a,500,SEEK_END);
+ r = yaffs_write(a,abuffer,1000);
+ }
+ x++;
+
+
+ }
+ printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+
+ }
+
+ return 0;
+
+}
+
+int resize_stress_test_no_grow(const char *path,int iters)
+{
+ 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 < iters; j++)
+ {
+ yaffs_lseek(a,0,SEEK_END);
+
+
+ for(i = 0; i <20000; i++)
+ {
+ //r = yaffs_lseek(b,i,SEEK_SET);
+ //r = yaffs_write(b,bbuffer,1000);
+
+ if(!(x%20))
+ {
+ // shrink
+ int syz = yaffs_lseek(a,0,SEEK_END);
+
+ while(syz > 4000)
+ {
+
+ syz -= 2050;
+ if(syz < 0) syz = 0;
+ yaffs_truncate(a,syz);
+ syz = yaffs_lseek(a,0,SEEK_END);
+ printf("shrink to %d\n",syz);
+ }
+
+
+ }
+ else
+ {
+ //expand
+ r = yaffs_lseek(a,-500,SEEK_END);
+ r = yaffs_write(a,abuffer,1000);
+ }
+ x++;
+
+
+ }
+ printf("file size is %d\n",yaffs_lseek(a,0,SEEK_END));
+
+ }
+
+ return 0;
+
+}
+
+int directory_rename_test(void)
+{
+ int r;
+ yaffs_StartUp();
+
+ yaffs_mount("/ram");
+ yaffs_mkdir("/ram/a",0);
+ yaffs_mkdir("/ram/a/b",0);
+ yaffs_mkdir("/ram/c",0);
+
+ printf("\nDirectory look-up of /ram\n");
+ dumpDir("/ram");
+ dumpDir("/ram/a");
+ dumpDir("/ram/a/b");
+
+ printf("Do rename (should fail)\n");
+
+ r = yaffs_rename("/ram/a","/ram/a/b/d");
+ printf("\nDirectory look-up of /ram\n");
+ dumpDir("/ram");
+ dumpDir("/ram/a");
+ dumpDir("/ram/a/b");
+
+ printf("Do rename (should not fail)\n");
+
+ r = yaffs_rename("/ram/c","/ram/a/b/d");
+ printf("\nDirectory look-up of /ram\n");
+ dumpDir("/ram");
+ dumpDir("/ram/a");
+ dumpDir("/ram/a/b");
+
+
+ return 1;
+
+}
+
+int cache_read_test(void)
+{
+ int a,b,c;
+ int i;
+ int sizeOfFiles = 500000;
+ char buffer[100];
+
+ yaffs_StartUp();
+
+ yaffs_mount("/boot");
+
+ make_a_file("/boot/a",'a',sizeOfFiles);
+ make_a_file("/boot/b",'b',sizeOfFiles);
+
+ a = yaffs_open("/boot/a",O_RDONLY,0);
+ b = yaffs_open("/boot/b",O_RDONLY,0);
+ c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+
+ do{
+ i = sizeOfFiles;
+ if (i > 100) i = 100;
+ sizeOfFiles -= i;
+ yaffs_read(a,buffer,i);
+ yaffs_read(b,buffer,i);
+ yaffs_write(c,buffer,i);
+ } while(sizeOfFiles > 0);
+
+
+
+ return 1;
+
+}
+
+int cache_bypass_bug_test(void)
+{
+ // This test reporoduces a bug whereby YAFFS caching *was* buypassed
+ // resulting in erroneous reads after writes.
+ // This bug has been fixed.
+
+ int a;
+ int i;
+ char buffer1[1000];
+ char buffer2[1000];
+
+ memset(buffer1,0,sizeof(buffer1));
+ memset(buffer2,0,sizeof(buffer2));
+
+ yaffs_StartUp();
+
+ yaffs_mount("/boot");
+
+ // Create a file of 2000 bytes.
+ make_a_file("/boot/a",'X',2000);
+
+ a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
+
+ // Write a short sequence to the file.
+ // This will go into the cache.
+ yaffs_lseek(a,0,SEEK_SET);
+ yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20);
+
+ // Read a short sequence from the file.
+ // This will come from the cache.
+ yaffs_lseek(a,0,SEEK_SET);
+ yaffs_read(a,buffer1,30);
+
+ // Read a page size sequence from the file.
+ yaffs_lseek(a,0,SEEK_SET);
+ yaffs_read(a,buffer2,512);
+
+ printf("buffer 1 %s\n",buffer1);
+ printf("buffer 2 %s\n",buffer2);
+
+ if(strncmp(buffer1,buffer2,20))
+ {
+ printf("Cache bypass bug detected!!!!!\n");
+ }
+
+
+ return 1;
+}
+
+
+int free_space_check(void)
+{
+ int f;
+
+ yaffs_StartUp();
+ yaffs_mount("/boot");
+ fill_disk("/boot/",2);
+ f = yaffs_freespace("/boot");
+
+ printf("%d free when disk full\n",f);
+ return 1;
+}
+
+int truncate_test(void)
+{
+ int a;
+ int r;
+ int i;
+ int l;
+
+ char y[10];
+
+ yaffs_StartUp();
+ yaffs_mount("/boot");
+
+ yaffs_unlink("/boot/trunctest");
+
+ a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
+
+ yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
+
+ yaffs_truncate(a,3);
+ l= yaffs_lseek(a,0,SEEK_END);
+
+ printf("truncated length is %d\n",l);
+
+ yaffs_lseek(a,5,SEEK_SET);
+ yaffs_write(a,"1",1);
+
+ yaffs_lseek(a,0,SEEK_SET);
+
+ r = yaffs_read(a,y,10);
+
+ printf("read %d bytes:",r);
+
+ for(i = 0; i < r; i++) printf("[%02X]",y[i]);
+
+ printf("\n");
+
+ return 0;
+
+}
+
+
+
+
+
+void fill_disk_test(const char *mountpt)
+{
+ int i;
+ yaffs_StartUp();
+
+ for(i = 0; i < 5; i++)
+ {
+ yaffs_mount(mountpt);
+ fill_disk_and_delete(mountpt,100,i+1);
+ yaffs_unmount(mountpt);
+ }
+
+}
+
+
+
+void lookup_test(const char *mountpt)
+{
+ int i;
+ int h;
+ char a[100];
+ char b[100];
+
+
+ yaffs_DIR *d;
+ yaffs_dirent *de;
+ struct yaffs_stat s;
+ char str[100];
+
+ 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_test(const char *mountpt)
+{
+ int i;
+ int h;
+ char a[100];
+ char b[100];
+ char c[100];
+
+ int f0;
+ int f1;
+ int f2;
+ int f3;
+ 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 freespace_test(const char *mountpt)
+{
+ int i;
+ int h;
+ char a[100];
+ char b[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];
+ char b[30];
+ char c[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);
+
+ for(j = 0; j < 200; j++){
+ yaffs_write(h0,xx,1000);
+ yaffs_write(h1,xx,1000);
+ }
+
+ 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];
+ char b[30];
+ char c[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];
+ char b[30];
+ char c[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[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_truncate(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 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);
+
+}
+
+
+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 i;
+ int j;
+ int h;
+
+ sprintf(a,"%s/a",mountpt);
+
+
+
+
+ printf("Create start condition\n");
+ yaffs_StartUp();
+ SetCheckpointReservedBlocks(0);
+ 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);
+
+ SetCheckpointReservedBlocks(10);
+ 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 j;
+ int h;
+
+ 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(yaffs_freespace(mountpt) > 25000000){
+ sprintf(a,"%s/file%d",mountpt,fnum);
+ fnum++;
+ printf("create file %s\n",a);
+ 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_truncate(name,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 j;
+ int h[NSMALLFILES];
+ int r;
+ int fnum;
+
+
+ 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,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);
+}
+
+
+
+int main(int argc, char *argv[])
+{
+ //return long_test(argc,argv);
+
+ //return cache_read_test();
+
+ resize_stress_test_no_grow("/flash/flash",20);
+
+ //huge_directory_test_on_path("/ram2k");
+
+ //yaffs_backward_scan_test("/flash/flash");
+ // yaffs_device_flush_test("/flash/flash");
+
+
+ //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);
+ //checkpoint_fill_test("/flash/flash",20);
+ // random_small_file_test("/flash/flash",10000);
+ // huge_array_test("/flash/flash",10);
+
+
+
+
+ //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;
+
+}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 19:48:04 +0000