diff options
Diffstat (limited to 'source4/ntvfs/posix/pvfs_write.c')
-rw-r--r-- | source4/ntvfs/posix/pvfs_write.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_write.c b/source4/ntvfs/posix/pvfs_write.c new file mode 100644 index 0000000000..4194ced431 --- /dev/null +++ b/source4/ntvfs/posix/pvfs_write.c @@ -0,0 +1,79 @@ +/* + Unix SMB/CIFS implementation. + + POSIX NTVFS backend - write + + Copyright (C) Andrew Tridgell 2004 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "include/includes.h" +#include "vfs_posix.h" + + +/* + write to a file +*/ +NTSTATUS pvfs_write(struct smbsrv_request *req, union smb_write *wr) +{ + struct pvfs_private *pvfs = req->tcon->ntvfs_private; + ssize_t ret; + struct pvfs_file *f; + + switch (wr->generic.level) { + case RAW_WRITE_WRITEX: + f = pvfs_find_fd(pvfs, wr->writex.in.fnum); + if (!f) { + return NT_STATUS_INVALID_HANDLE; + } + ret = pwrite(f->fd, + wr->writex.in.data, + wr->writex.in.count, + wr->writex.in.offset); + if (ret == -1) { + return map_nt_error_from_unix(errno); + } + + wr->writex.out.nwritten = ret; + wr->writex.out.remaining = 0; /* should fill this in? */ + + return NT_STATUS_OK; + + case RAW_WRITE_WRITE: + f = pvfs_find_fd(pvfs, wr->write.in.fnum); + if (!f) { + return NT_STATUS_INVALID_HANDLE; + } + if (wr->write.in.count == 0) { + /* a truncate! */ + ret = ftruncate(f->fd, wr->write.in.offset); + } else { + ret = pwrite(f->fd, + wr->write.in.data, + wr->write.in.count, + wr->write.in.offset); + } + if (ret == -1) { + return pvfs_map_errno(pvfs, errno); + } + + wr->write.out.nwritten = ret; + + return NT_STATUS_OK; + } + + return NT_STATUS_NOT_SUPPORTED; +} |