home *** CD-ROM | disk | FTP | other *** search
- /* dbmfetch.c - Find a key and return the associated data. */
-
- /* This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
- Copyright (C) 1990, 1991 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 1, 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; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- You may contact the author by:
- e-mail: phil@cs.wwu.edu
- us-mail: Philip A. Nelson
- Computer Science Department
- Western Washington University
- Bellingham, WA 98226
- phone: (206) 676-3035
-
- *************************************************************************/
-
-
- #include "gdbmdefs.h"
- #include "extern.h"
-
-
- /* NDBM Look up a given KEY and return the information associated with that
- KEY. The pointer in the structure that is returned is a pointer to
- dynamically allocated memory block. */
-
- datum
- dbm_fetch (dbf, key)
- gdbm_file_info *dbf;
- datum key;
- {
- datum ret_val; /* The return value. */
-
- /* Free previous dynamic memory, do actual call, and save pointer to new
- memory. */
- ret_val = gdbm_fetch (dbf, key);
- if (_gdbm_fetch_val != NULL) free (_gdbm_fetch_val);
- _gdbm_fetch_val = ret_val.dptr;
-
- /* Return the new value. */
- return ret_val;
-
- }
-
-