general code cleanup

src/read_buf.cpp

@@ -1,70 +0,0 @@
-/*
-  Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
-
-  Permission to use, copy, modify, and/or distribute this software for any
-  purpose with or without fee is hereby granted, provided that the above
-  copyright notice and this permission notice appear in all copies.
-
-  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
-#include <fuse.h>
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "errno.hpp"
-#include "fileinfo.hpp"
-
-typedef struct fuse_bufvec fuse_bufvec;
-
-static
-int
-_read_buf(const int      fd,
-          fuse_bufvec  **bufp,
-          const size_t   size,
-          const off_t    offset)
-{
-  fuse_bufvec *src;
-
-  src = (fuse_bufvec*)malloc(sizeof(fuse_bufvec));
-  if(src == NULL)
-    return -ENOMEM;
-
-  *src = FUSE_BUFVEC_INIT(size);
-
-  src->buf->flags = (fuse_buf_flags)(FUSE_BUF_IS_FD|FUSE_BUF_FD_SEEK|FUSE_BUF_FD_RETRY);
-  src->buf->fd    = fd;
-  src->buf->pos   = offset;
-
-  *bufp = src;
-
-  return 0;
-}
-
-namespace mergerfs
-{
-  namespace fuse
-  {
-    int
-    read_buf(const char      *fusepath,
-             fuse_bufvec    **bufp,
-             size_t           size,
-             off_t            offset,
-             fuse_file_info  *ffi)
-    {
-      FileInfo *fi = reinterpret_cast<FileInfo*>(ffi->fh);
-
-      return _read_buf(fi->fd,
-                       bufp,
-                       size,
-                       offset);
-    }
-  }
-}