diff options
Diffstat (limited to 'source4/ntvfs/posix/pvfs_read.c')
-rw-r--r-- | source4/ntvfs/posix/pvfs_read.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/pvfs_read.c b/source4/ntvfs/posix/pvfs_read.c new file mode 100644 index 0000000000..d30645e76d --- /dev/null +++ b/source4/ntvfs/posix/pvfs_read.c @@ -0,0 +1,57 @@ +/* + Unix SMB/CIFS implementation. + + POSIX NTVFS backend - read + + 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" + +/* + read from a file +*/ +NTSTATUS pvfs_read(struct smbsrv_request *req, union smb_read *rd) +{ + struct pvfs_private *pvfs = req->tcon->ntvfs_private; + ssize_t ret; + struct pvfs_file *f; + + if (rd->generic.level != RAW_READ_READX) { + return NT_STATUS_NOT_SUPPORTED; + } + + f = pvfs_find_fd(pvfs, rd->readx.in.fnum); + if (!f) { + return NT_STATUS_INVALID_HANDLE; + } + + ret = pread(f->fd, + rd->readx.out.data, + rd->readx.in.maxcnt, + rd->readx.in.offset); + if (ret == -1) { + return pvfs_map_errno(pvfs, errno); + } + + rd->readx.out.nread = ret; + rd->readx.out.remaining = 0; /* should fill this in? */ + rd->readx.out.compaction_mode = 0; + + return NT_STATUS_OK; +} |