initial import of DBA

1 files changed, 169 insertions, 0 deletions

diff --git a/ext/dba/dba_ndbm.c b/ext/dba/dba_ndbm.c
new file mode 100644
index 0000000000..0c6e2cd077
--- /dev/null
+++ b/ext/dba/dba_ndbm.c
@@ -0,0 +1,169 @@
+/*
+   +----------------------------------------------------------------------+
+   | PHP HTML Embedded Scripting Language Version 3.0                     |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1999 PHP Development Team (See Credits file)           |
+   +----------------------------------------------------------------------+
+   | This program is free software; you can redistribute it and/or modify |
+   | it under the terms of one of the following licenses:                 |
+   |                                                                      |
+   |  A) 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.                                               |
+   |                                                                      |
+   |  B) the PHP License as published by the PHP Development Team and     |
+   |     included in the distribution in the file: LICENSE                |
+   |                                                                      |
+   | 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 both licenses referred to here.   |
+   | If you did not, or have any questions about PHP licensing, please    |
+   | contact core@php.net.                                                |
+   +----------------------------------------------------------------------+
+   | Authors: Sascha Schumann <sas@schell.de>                             |
+   +----------------------------------------------------------------------+
+ */
+
+/* $Id$ */
+
+#include "php.h"
+
+#if DBA_NDBM
+#include "php3_ndbm.h"
+
+#include <fcntl.h>
+
+#if NDBM_DB1_NDBM_H 
+#include <db1/ndbm.h>
+#elif NDBM_NDBM_H
+#include <ndbm.h>
+#endif
+
+#define NDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
+
+DBA_OPEN_FUNC(ndbm)
+{
+	DBM *dbf;
+	int gmode = 0;
+	int filemode = 0644;
+	dba_info *pinfo = (dba_info *) info;
+
+	switch(info->mode) {
+		case DBA_READER:
+			gmode = O_RDONLY;
+			break;
+		case DBA_WRITER:
+			gmode = O_RDWR;
+			break;
+		case DBA_CREAT:
+			gmode = O_RDWR | O_CREAT;
+			break;
+		case DBA_TRUNC:
+			gmode = O_RDWR | O_CREAT | O_TRUNC;
+			break;
+		default:
+			return FAILURE;
+	}
+
+	if(info->argc > 0) {
+		convert_to_long(info->argv[0]);
+		filemode = info->argv[0]->value.lval;
+	}
+
+	dbf = dbm_open(info->path, gmode, filemode);
+	
+	if(dbf) {
+		pinfo->dbf = dbf;
+		return SUCCESS;
+	}
+	return FAILURE;
+}
+
+DBA_CLOSE_FUNC(ndbm)
+{
+	dbm_close(info->dbf);
+}
+
+DBA_FETCH_FUNC(ndbm)
+{
+	datum gval;
+	char *new = NULL;
+
+	NDBM_GKEY;
+	gval = dbm_fetch(info->dbf, gkey);
+	if(gval.dptr) {
+		if(newlen) *newlen = gval.dsize;
+		new = estrndup(gval.dptr, gval.dsize);
+	}
+	return new;
+}
+
+DBA_UPDATE_FUNC(ndbm)
+{
+	datum gval;
+
+	NDBM_GKEY;
+	gval.dptr = (char *) val;
+	gval.dsize = vallen;
+
+	if(!dbm_store(info->dbf, gkey, gval, mode == 1 ? DBM_INSERT : DBM_REPLACE))
+		return SUCCESS;
+	return FAILURE;
+}
+
+DBA_EXISTS_FUNC(ndbm)
+{
+	datum gval;
+	NDBM_GKEY;
+	gval = dbm_fetch(info->dbf, gkey);
+	if(gval.dptr) {
+		return SUCCESS;
+	}
+	return FAILURE;
+}
+
+DBA_DELETE_FUNC(ndbm)
+{
+	NDBM_GKEY;
+	return(dbm_delete(info->dbf, gkey) == -1 ? FAILURE : SUCCESS);
+}
+
+DBA_FIRSTKEY_FUNC(ndbm)
+{
+	datum gkey;
+	char *key = NULL;
+
+	gkey = dbm_firstkey(info->dbf);
+	if(gkey.dptr) {
+		if(newlen) *newlen = gkey.dsize;
+		key = estrndup(gkey.dptr, gkey.dsize);
+	}
+	return key;
+}
+
+DBA_NEXTKEY_FUNC(ndbm)
+{
+	datum gkey;
+	char *nkey = NULL;
+
+	gkey = dbm_nextkey(info->dbf);
+	if(gkey.dptr) {
+		if(newlen) *newlen = gkey.dsize;
+		nkey = estrndup(gkey.dptr, gkey.dsize);
+	}
+	return nkey;
+}
+
+DBA_OPTIMIZE_FUNC(ndbm)
+{
+	return SUCCESS;
+}
+
+DBA_SYNC_FUNC(ndbm)
+{
+	return SUCCESS;
+}
+#endif