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);
}
int test_yaffs_read_EINVAL_clean(void)
{
int output=0;
if (handle>=0){
if(file_name){
free(file_name);
file_name = NULL;
}
output= yaffs_truncate(FILE_PATH,FILE_SIZE );
if (output>=0){
output=test_yaffs_write();
if (output<0){
print_message("failed to write to file\n",2);
return -1;
} else {
output=test_yaffs_write_clean();
if (output<0){
print_message("failed to clean the write_to_file function\n",2);
}
}
} else {
print_message("failed to truncate file\n",2);
return -1;
}
if(output>=0){
output=yaffs_close(handle);
if (output>=0){
return 1;
} else {
print_message("could not close the handle\n",2);
return -1;
}
} else {
print_message("failed to fix the file\n",2);
return -1;
}
} else {
print_message("no open handle\n",2);
return -1;
}
}
int test_yaffs_truncate_ENOENT2(void)
{
int error=0;
int output=0;
output= yaffs_truncate("/non_existing_dir/foo",FILE_SIZE_TRUNCATED );
if (output<0){
error=yaffs_get_error();
if (abs(error)==ENOENT){
return 1;
} else {
print_message("received a different error than expected\n",2);
return -1;
}
} else{
print_message("truncated a nonexisting file\n",2);
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 test_yaffs_truncate_ELOOP(void)
{
int error=0;
int output=0;
if (set_up_ELOOP()<0){
print_message("failed to setup symlinks\n",2);
return -1;
}
output= yaffs_truncate(ELOOP_PATH,FILE_SIZE_TRUNCATED );
if (output<0){
error=yaffs_get_error();
if (abs(error)==ELOOP){
return 1;
} else {
print_message("received a different error than expected\n",2);
return -1;
}
} else{
print_message("truncated a nonexisting file\n",2);
return -1;
}
}
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(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;
}
