int ext2_close_r (struct _reent *r, int fd)
{
//ext2_log_trace("fd %p\n", (void *) fd);
ext2_file_state* file = STATE(fd);
// Sanity check
if (!file || !file->vd) {
r->_errno = EBADF;
return -1;
}
// Lock
ext2Lock(file->vd);
// Close the file
ext2CloseFile(file);
// Remove the file from the double-linked FILO list of open files
file->vd->openFileCount--;
if (file->nextOpenFile)
file->nextOpenFile->prevOpenFile = file->prevOpenFile;
if (file->prevOpenFile)
file->prevOpenFile->nextOpenFile = file->nextOpenFile;
else
file->vd->firstOpenFile = file->nextOpenFile;
// Unlock
ext2Unlock(file->vd);
return 0;
}
void ext2DeinitVolume (ext2_vd *vd)
{
// Sanity check
if (!vd) {
errno = ENODEV;
return;
}
// Lock
ext2Lock(vd);
// Close any directories which are still open (lazy programmers!)
ext2_dir_state *nextDir = vd->firstOpenDir;
while (nextDir) {
ext2CloseDir(nextDir);
nextDir = nextDir->nextOpenDir;
}
// Close any files which are still open (lazy programmers!)
ext2_file_state *nextFile = vd->firstOpenFile;
while (nextFile) {
ext2CloseFile(nextFile);
nextFile = nextFile->nextOpenFile;
}
// Reset open directory and file stats
vd->openDirCount = 0;
vd->openFileCount = 0;
vd->firstOpenDir = NULL;
vd->firstOpenFile = NULL;
// Force the underlying device to sync
ext2Sync(vd, NULL);
// Unlock
ext2Unlock(vd);
// Deinitialise the volume lock
//LWP_MutexDestroy(vd->lock);
sys_lwmutex_destroy(&vd->lock);
}
int ext2_file_to_sectors (struct _reent *r,const char *path,uint32_t *sec_out,uint32_t *size_out,int max,int phys)
{
ntfs_file_state fileStruct;
ext2_file_state* file = STATE(&fileStruct);
// Get the volume descriptor for this path
file->vd = ext2GetVolume(path);
if (!file->vd) {
r->_errno = ENODEV;
return -1;
}
// Lock
ext2Lock(file->vd);
file->flags = 0;
file->read = true;
file->write = false;
file->append = false;
// Try and find the file and (if found) ensure that it is not a directory
file->ni = ext2OpenEntry(file->vd, path);
if (file->ni && LINUX_S_ISDIR(file->ni->ni.i_mode))
{
ext2CloseEntry(file->vd, file->ni);
ext2Unlock(file->vd);
r->_errno = EISDIR;
return -1;
}
// Sanity check, the file should be open by now
if (!file->ni) {
ext2Unlock(file->vd);
r->_errno = ENOENT;
return -1;
}
errcode_t err = ext2fs_file_open2(file->vd->fs, file->ni->ino, &file->ni->ni,
0, &file->fd);
if(err != 0)
{
ext2CloseEntry(file->vd, file->ni);
ext2Unlock(file->vd);
r->_errno = ENOENT;
return -1;
}
//ext2_log_trace("file->len %lld\n", EXT2_I_SIZE(&file->ni->ni));
// Update file times
ext2UpdateTimes(file->vd, file->ni, EXT2_UPDATE_ATIME);
// Insert the file into the double-linked FILO list of open files
if (file->vd->firstOpenFile) {
file->nextOpenFile = file->vd->firstOpenFile;
file->vd->firstOpenFile->prevOpenFile = file;
} else {
file->nextOpenFile = NULL;
}
file->prevOpenFile = NULL;
file->vd->firstOpenFile = file;
file->vd->openFileCount++;
// Sync access time
ext2Sync(file->vd, file->ni);
file->is_ntfs = 0;
u64 read = 0;
err = 0;
// Read from the files data attribute
//err = ext2fs_file_read(file->fd, ptr, len, &read);
u64 len = 0;
ext2fs_file_llseek(file->fd, 0, SEEK_END, (__u64 *) &len);
// Set the files current position
ext2fs_file_llseek(file->fd, 0, SEEK_SET, 0);
u32 current_block = 0;
err = ext2fs_file_read_sectors(file->fd, len, &read, sec_out, size_out, ¤t_block, max);
if (err || read <= 0 || read > len) {
ext2Unlock(file->vd);
r->_errno = errno;
current_block = err ? err : -1;
goto end;
}
end:
// Close the file
ext2CloseFile(file);
// Remove the file from the double-linked FILO list of open files
file->vd->openFileCount--;
if (file->nextOpenFile)
file->nextOpenFile->prevOpenFile = file->prevOpenFile;
if (file->prevOpenFile)
file->prevOpenFile->nextOpenFile = file->nextOpenFile;
else
file->vd->firstOpenFile = file->nextOpenFile;
ext2Unlock(file->vd);
return current_block;
}
