static const char *yaffs_error_str(void)
{
int error = yaffsfs_GetLastError();
if (error < 0)
error = -error;
switch (error) {
case EBUSY: return "Busy";
case ENODEV: return "No such device";
case EINVAL: return "Invalid parameter";
case ENFILE: return "Too many open files";
case EBADF: return "Bad handle";
case EACCES: return "Wrong permissions";
case EXDEV: return "Not on same device";
case ENOENT: return "No such entry";
case ENOSPC: return "Device full";
case EROFS: return "Read only file system";
case ERANGE: return "Range error";
case ENOTEMPTY: return "Not empty";
case ENAMETOOLONG: return "Name too long";
case ENOMEM: return "Out of memory";
case EFAULT: return "Fault";
case EEXIST: return "Name exists";
case ENOTDIR: return "Not a directory";
case EISDIR: return "Not permitted on a directory";
case ELOOP: return "Symlink loop";
case 0: return "No error";
default: return "Unknown error";
}
}
static void UpdateCounter(const char *name, unsigned *val, int initialise)
{
int inh=-1;
int outh=-1;
unsigned x[2];
int nread = 0;
int nwritten = 0;
x[0] = x[1] = 0;
if(initialise){
x[0] = 0;
x[1] = 1;
} else {
inh = yaffs_open(name,O_RDONLY, S_IREAD | S_IWRITE);
if(inh >= 0){
nread = yaffs_read(inh,x,sizeof(x));
yaffs_close(inh);
}
if(nread != sizeof(x) ||
x[0] + 1 != x[1]){
printf("Error reading counter %s handle %d, x[0] %u x[1] %u last error %d\n",
name, inh, x[0], x[1],yaffsfs_GetLastError());
FatalError();
}
x[0]++;
x[1]++;
}
outh = yaffs_open(fullTempCounterName, O_RDWR | O_TRUNC | O_CREAT, S_IREAD | S_IWRITE);
if(outh >= 0){
nwritten = yaffs_write(outh,x,sizeof(x));
yaffs_close(outh);
yaffs_rename(fullTempCounterName,name);
}
if(nwritten != sizeof(x)){
printf("Error writing counter %s handle %d, x[0] %u x[1] %u\n",
name, inh, x[0], x[1]);
FatalError();
}
*val = x[0];
printf("##\n"
"## Set counter %s to %u\n"
"##\n", name,x[0]);
}
