www.pudn.com > yaffs2.zip > dtest.c

/* 
* Test code for the "direct" interface.  
*/ 
 
 
#include  
#include  
#include  
#include  
 
#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 && ok; 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; 
} 
 
 
 
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 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 = check_pattern_file(fn[j]); 
			make_pattern_file(fn[j],fsize);  
			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("/boot"); 
		} 
		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 dumpDir(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_lstat(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)); 
 
} 
 
 
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 long_test_on_path(char *path) 
{ 
 
	int f; 
	int r; 
	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); 
	 
	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); 
	 
	f = yaffs_open(name, O_CREAT,S_IREAD | S_IWRITE); 
	 
	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); 
	 
	r = yaffs_close(f); 
	 
	printf("close %d\n",r); 
 
	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); 
 
	// 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); 
	 
	// Check unlink 
	r = yaffs_unlink(name2); 
	 
	 
	printf("\nDirectory look-up of %s\n",path); 
	dumpDir(path); 
 
	// Check mkdir 
 
	sprintf(name,"%s/%s",path,"directory1");         
	r = yaffs_mkdir(name,0); 
	 
	 
	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); 
	 
	//  Attempt to delete directory (should fail) 
	 
	r = yaffs_rmdir(name); 
	 
	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); 
 
		 
		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; 
 
} 
 
 
int main(int argc, char *argv[]) 
{ 
	//return long_test(argc,argv); 
	 
	//return cache_read_test(); 
	 
	//return resize_stress_test_no_grow("/flash",2); 
	 
 
	 
	scan_pattern_test("/boot",40000,10); 
	//short_scan_test("/flash",40000,200); 
	return 0; 
	 
	long_test_on_path("/flash"); 
	long_test_on_path("/flash"); 
	 
	// cache_bypass_bug_test(); 
	 
	 free_space_check(); 
	  
	 return 0; 
	 
}