1 files changed, 65 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_seek.c b/source4/ntvfs/posix/pvfs_seek.c
new file mode 100644
index 0000000..2cd3410
--- /dev/null
+++ b/source4/ntvfs/posix/pvfs_seek.c
@@ -0,0 +1,65 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   POSIX NTVFS backend - seek
+
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "vfs_posix.h"
+
+/*
+  seek in a file
+*/
+NTSTATUS pvfs_seek(struct ntvfs_module_context *ntvfs,
+		   struct ntvfs_request *req,
+		   union smb_seek *io)
+{
+	struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
+				  struct pvfs_state);
+	struct pvfs_file *f;
+	struct pvfs_file_handle *h;
+	NTSTATUS status;
+
+	f = pvfs_find_fd(pvfs, req, io->lseek.in.file.ntvfs);
+	if (!f) {
+		return NT_STATUS_INVALID_HANDLE;
+	}
+	h = f->handle;
+
+	status = NT_STATUS_OK;
+
+	switch (io->lseek.in.mode) {
+	case SEEK_MODE_START:
+		h->seek_offset = io->lseek.in.offset;
+		break;
+
+	case SEEK_MODE_CURRENT:
+		h->seek_offset += io->lseek.in.offset;
+		break;
+
+	case SEEK_MODE_END:
+		status = pvfs_resolve_name_fd(pvfs, h->fd, h->name, PVFS_RESOLVE_NO_OPENDB);
+		h->seek_offset = h->name->st.st_size + io->lseek.in.offset;
+		break;
+	}
+
+	io->lseek.out.offset = h->seek_offset;
+
+	return status;
+}
+