1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | http://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Sascha Schumann <sascha@schumann.cx> |
14 +----------------------------------------------------------------------+
15 */
16
17 #ifdef HAVE_CONFIG_H
18 #include "config.h"
19 #endif
20
21 #include "php.h"
22
23 #if DBA_NDBM
24 #include "php_ndbm.h"
25
26 #include <fcntl.h>
27 #ifdef NDBM_INCLUDE_FILE
28 #include NDBM_INCLUDE_FILE
29 #endif
30
31 #define NDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
32
DBA_OPEN_FUNC(ndbm)33 DBA_OPEN_FUNC(ndbm)
34 {
35 DBM *dbf;
36 int gmode = 0;
37 int filemode = 0644;
38 dba_info *pinfo = (dba_info *) info;
39
40 switch(info->mode) {
41 case DBA_READER:
42 gmode = O_RDONLY;
43 break;
44 case DBA_WRITER:
45 gmode = O_RDWR;
46 break;
47 case DBA_CREAT:
48 gmode = O_RDWR | O_CREAT;
49 break;
50 case DBA_TRUNC:
51 gmode = O_RDWR | O_CREAT | O_TRUNC;
52 break;
53 default:
54 return FAILURE; /* not possible */
55 }
56
57 if(info->argc > 0) {
58 filemode = zval_get_long(&info->argv[0]);
59 }
60
61 dbf = dbm_open(info->path, gmode, filemode);
62
63 pinfo->dbf = dbf;
64 return SUCCESS;
65 }
66
DBA_CLOSE_FUNC(ndbm)67 DBA_CLOSE_FUNC(ndbm)
68 {
69 dbm_close(info->dbf);
70 }
71
DBA_FETCH_FUNC(ndbm)72 DBA_FETCH_FUNC(ndbm)
73 {
74 datum gval;
75 char *new = NULL;
76
77 NDBM_GKEY;
78 gval = dbm_fetch(info->dbf, gkey);
79 if(gval.dptr) {
80 if(newlen) *newlen = gval.dsize;
81 new = estrndup(gval.dptr, gval.dsize);
82 }
83 return new;
84 }
85
DBA_UPDATE_FUNC(ndbm)86 DBA_UPDATE_FUNC(ndbm)
87 {
88 datum gval;
89
90 NDBM_GKEY;
91 gval.dptr = (char *) val;
92 gval.dsize = vallen;
93
94 if(!dbm_store(info->dbf, gkey, gval, mode == 1 ? DBM_INSERT : DBM_REPLACE))
95 return SUCCESS;
96 return FAILURE;
97 }
98
DBA_EXISTS_FUNC(ndbm)99 DBA_EXISTS_FUNC(ndbm)
100 {
101 datum gval;
102 NDBM_GKEY;
103 gval = dbm_fetch(info->dbf, gkey);
104 if(gval.dptr) {
105 return SUCCESS;
106 }
107 return FAILURE;
108 }
109
DBA_DELETE_FUNC(ndbm)110 DBA_DELETE_FUNC(ndbm)
111 {
112 NDBM_GKEY;
113 return(dbm_delete(info->dbf, gkey) == -1 ? FAILURE : SUCCESS);
114 }
115
DBA_FIRSTKEY_FUNC(ndbm)116 DBA_FIRSTKEY_FUNC(ndbm)
117 {
118 datum gkey;
119 char *key = NULL;
120
121 gkey = dbm_firstkey(info->dbf);
122 if(gkey.dptr) {
123 if(newlen) *newlen = gkey.dsize;
124 key = estrndup(gkey.dptr, gkey.dsize);
125 }
126 return key;
127 }
128
DBA_NEXTKEY_FUNC(ndbm)129 DBA_NEXTKEY_FUNC(ndbm)
130 {
131 datum gkey;
132 char *nkey = NULL;
133
134 gkey = dbm_nextkey(info->dbf);
135 if(gkey.dptr) {
136 if(newlen) *newlen = gkey.dsize;
137 nkey = estrndup(gkey.dptr, gkey.dsize);
138 }
139 return nkey;
140 }
141
DBA_OPTIMIZE_FUNC(ndbm)142 DBA_OPTIMIZE_FUNC(ndbm)
143 {
144 return SUCCESS;
145 }
146
DBA_SYNC_FUNC(ndbm)147 DBA_SYNC_FUNC(ndbm)
148 {
149 return SUCCESS;
150 }
151
DBA_INFO_FUNC(ndbm)152 DBA_INFO_FUNC(ndbm)
153 {
154 return estrdup("NDBM");
155 }
156
157 #endif
158
