/*****************************************************
a wrapper for pwrite()
*******************************************************/
ssize_t smbw_pwrite(int fd, void *buf, size_t count, off_t ofs)
{
struct smbw_file *file;
int ret;
smbw_busy++;
file = smbw_file(fd);
if (!file) {
errno = EBADF;
smbw_busy--;
return -1;
}
ret = cli_write(&file->srv->cli, file->f->cli_fd, 0, buf, ofs, count);
if (ret == -1) {
errno = smbw_errno(&file->srv->cli);
smbw_busy--;
return -1;
}
smbw_busy--;
return ret;
}
/*****************************************************
a wrapper for read()
*******************************************************/
ssize_t smbw_read(int fd, void *buf, size_t count)
{
struct smbw_file *file;
int ret;
DEBUG(4,("smbw_read(%d, %d)\n", fd, (int)count));
smbw_busy++;
file = smbw_file(fd);
if (!file) {
errno = EBADF;
smbw_busy--;
return -1;
}
ret = cli_read(&file->srv->cli, file->f->cli_fd, buf,
file->f->offset, count);
if (ret == -1) {
errno = smbw_errno(&file->srv->cli);
smbw_busy--;
return -1;
}
file->f->offset += ret;
DEBUG(4,(" -> %d\n", ret));
smbw_busy--;
return ret;
}
/*****************************************************
a wrapper for dup()
*******************************************************/
int smbw_dup(int fd)
{
int fd2;
struct smbw_file *file, *file2;
smbw_busy++;
file = smbw_file(fd);
if (!file) {
errno = EBADF;
goto failed;
}
fd2 = dup(file->fd);
if (fd2 == -1) {
goto failed;
}
if (bitmap_query(smbw_file_bmap, fd2)) {
DEBUG(0,("ERROR: fd already open in dup!\n"));
errno = EIO;
goto failed;
}
file2 = (struct smbw_file *)malloc(sizeof(*file2));
if (!file2) {
close(fd2);
errno = ENOMEM;
goto failed;
}
ZERO_STRUCTP(file2);
*file2 = *file;
file2->fd = fd2;
file->f->ref_count++;
bitmap_set(smbw_file_bmap, fd2);
DLIST_ADD(smbw_files, file2);
smbw_busy--;
return fd2;
failed:
smbw_busy--;
return -1;
}
/*****************************************************
a wrapper for fstat()
*******************************************************/
int smbw_fstat(int fd, struct stat *st)
{
struct smbw_file *file;
time_t c_time, a_time, m_time;
size_t size;
uint16 mode;
SMB_INO_T ino = 0;
smbw_busy++;
ZERO_STRUCTP(st);
file = smbw_file(fd);
if (!file) {
int ret = smbw_dir_fstat(fd, st);
smbw_busy--;
return ret;
}
if (!cli_qfileinfo(&file->srv->cli, file->f->cli_fd,
&mode, &size, &c_time, &a_time, &m_time, NULL,
&ino) &&
!cli_getattrE(&file->srv->cli, file->f->cli_fd,
&mode, &size, &c_time, &a_time, &m_time)) {
errno = EINVAL;
smbw_busy--;
return -1;
}
st->st_ino = ino;
smbw_setup_stat(st, file->f->fname, size, mode);
st->st_atime = a_time;
st->st_ctime = c_time;
st->st_mtime = m_time;
st->st_dev = file->srv->dev;
smbw_busy--;
return 0;
}
/*****************************************************
a wrapper for close()
*******************************************************/
int smbw_close(int fd)
{
struct smbw_file *file;
smbw_busy++;
file = smbw_file(fd);
if (!file) {
int ret = smbw_dir_close(fd);
smbw_busy--;
return ret;
}
if (file->f->ref_count == 1 &&
!cli_close(&file->srv->cli, file->f->cli_fd)) {
errno = smbw_errno(&file->srv->cli);
smbw_busy--;
return -1;
}
bitmap_clear(smbw_file_bmap, file->fd);
close(file->fd);
DLIST_REMOVE(smbw_files, file);
file->f->ref_count--;
if (file->f->ref_count == 0) {
SAFE_FREE(file->f->fname);
SAFE_FREE(file->f);
}
ZERO_STRUCTP(file);
SAFE_FREE(file);
smbw_busy--;
return 0;
}
/*****************************************************
a wrapper for lseek()
*******************************************************/
off_t smbw_lseek(int fd, off_t offset, int whence)
{
struct smbw_file *file;
size_t size;
smbw_busy++;
file = smbw_file(fd);
if (!file) {
off_t ret = smbw_dir_lseek(fd, offset, whence);
smbw_busy--;
return ret;
}
switch (whence) {
case SEEK_SET:
file->f->offset = offset;
break;
case SEEK_CUR:
file->f->offset += offset;
break;
case SEEK_END:
if (!cli_qfileinfo(&file->srv->cli, file->f->cli_fd,
NULL, &size, NULL, NULL, NULL,
NULL, NULL) &&
!cli_getattrE(&file->srv->cli, file->f->cli_fd,
NULL, &size, NULL, NULL, NULL)) {
errno = EINVAL;
smbw_busy--;
return -1;
}
file->f->offset = size + offset;
break;
}
smbw_busy--;
return file->f->offset;
}
