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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
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19990502 sourceware importbinu_ss_19990502
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+/* GNU DBM - DataBase Manager include file
+ Copyright 1989, 1991 Free Software Foundation, Inc.
+ Written by Philip A. Nelson.
+
+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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* You may contact the author by:
+ e-mail: phil@wwu.edu
+ us-mail: Philip A. Nelson
+ Computer Science Department
+ Western Washington University
+ Bellingham, WA 98226
+ phone: (206) 676-3035
+
+*************************************************************************/
+
+/* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
+ can create the database. */
+#define GDBM_READER 0
+#define GDBM_WRITER 1
+#define GDBM_WRCREAT 2
+#define GDBM_NEWDB 3
+
+/* Parameters to gdbm_store for simple insertion or replacement. */
+#define GDBM_INSERT 0
+#define GDBM_REPLACE 1
+
+
+/* The data and key structure. This structure is defined for compatibility. */
+typedef struct {
+ char *dptr;
+ int dsize;
+ } datum;
+
+
+/* The file information header. This is good enough for most applications. */
+typedef struct {int dummy[10];} *GDBM_FILE;
+
+
+/* These are the routines! */
+
+extern GDBM_FILE gdbm_open ();
+
+extern void gdbm_close ();
+
+extern datum gdbm_fetch ();
+
+extern int gdbm_store ();
+
+extern int gdbm_delete ();
+
+extern datum gdbm_firstkey ();
+
+extern datum gdbm_nextkey ();
+
+extern int gdbm_reorganize ();
+
+
+/* gdbm sends back the following error codes in the variable gdbm_errno. */
+typedef enum { NO_ERROR,
+ MALLOC_ERROR,
+ BLOCK_SIZE_ERROR,
+ FILE_OPEN_ERROR,
+ FILE_WRITE_ERROR,
+ FILE_SEEK_ERROR,
+ FILE_READ_ERROR,
+ BAD_MAGIC_NUMBER,
+ EMPTY_DATABASE,
+ CANT_BE_READER,
+ CANT_BE_WRITER,
+ READER_CANT_RECOVER,
+ READER_CANT_DELETE,
+ READER_CANT_STORE,
+ READER_CANT_REORGANIZE,
+ UNKNOWN_UPDATE,
+ ITEM_NOT_FOUND,
+ REORGANIZE_FAILED,
+ CANNOT_REPLACE}
+ gdbm_error;