diff options
Diffstat (limited to 'tools/input-null.c')
| -rw-r--r-- | tools/input-null.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/input-null.c b/tools/input-null.c new file mode 100644 index 0000000..71c292d --- /dev/null +++ b/tools/input-null.c @@ -0,0 +1,53 @@ +/* This file is part of GDBM, the GNU data base manager. + Copyright (C) 2018-2023 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; +} + |