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/* This file is part of GDBM, the GNU data base manager.
Copyright (C) 2018-2021 Free Software Foundation, Inc.
GDBM 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, or (at your option)
any later version.
GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>. */
#include "gdbmtool.h"
static ssize_t
instream_null_read (instream_t istr, char *buf, size_t size)
{
return 0;
}
static void
instream_null_close (instream_t istr)
{
free (istr);
}
static int
instream_null_eq (instream_t a, instream_t b)
{
return a == b;
}
instream_t
instream_null_create (void)
{
struct instream *istr;
istr = emalloc (sizeof *istr);
istr->in_name = "null";
istr->in_inter = 0;
istr->in_read = instream_null_read;
istr->in_close = instream_null_close;
istr->in_eq = instream_null_eq;
istr->in_history_size = NULL;
istr->in_history_get = NULL;
return istr;
}
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