1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Sascha Schumann <sascha@schumann.cx> |
16 +----------------------------------------------------------------------+
17 */
18
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include "php.h"
24
25 #if DBA_GDBM
26 #include "php_gdbm.h"
27
28 #ifdef GDBM_INCLUDE_FILE
29 #include GDBM_INCLUDE_FILE
30 #endif
31
32 #define GDBM_DATA dba_gdbm_data *dba = info->dbf
33 #define GDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
34
35 typedef struct {
36 GDBM_FILE dbf;
37 datum nextkey;
38 } dba_gdbm_data;
39
DBA_OPEN_FUNC(gdbm)40 DBA_OPEN_FUNC(gdbm)
41 {
42 GDBM_FILE dbf;
43 int gmode = 0;
44 int filemode = 0644;
45
46 gmode = info->mode == DBA_READER ? GDBM_READER :
47 info->mode == DBA_WRITER ? GDBM_WRITER :
48 info->mode == DBA_CREAT ? GDBM_WRCREAT :
49 info->mode == DBA_TRUNC ? GDBM_NEWDB : -1;
50
51 if(gmode == -1)
52 return FAILURE; /* not possible */
53
54 if(info->argc > 0) {
55 filemode = zval_get_long(&info->argv[0]);
56 }
57
58 dbf = gdbm_open(info->path, 0, gmode, filemode, NULL);
59
60 if(dbf) {
61 info->dbf = pemalloc(sizeof(dba_gdbm_data), info->flags&DBA_PERSISTENT);
62 memset(info->dbf, 0, sizeof(dba_gdbm_data));
63 ((dba_gdbm_data *) info->dbf)->dbf = dbf;
64 return SUCCESS;
65 }
66 *error = (char *)gdbm_strerror(gdbm_errno);
67 return FAILURE;
68 }
69
DBA_CLOSE_FUNC(gdbm)70 DBA_CLOSE_FUNC(gdbm)
71 {
72 GDBM_DATA;
73
74 if(dba->nextkey.dptr) free(dba->nextkey.dptr);
75 gdbm_close(dba->dbf);
76 pefree(dba, info->flags&DBA_PERSISTENT);
77 }
78
DBA_FETCH_FUNC(gdbm)79 DBA_FETCH_FUNC(gdbm)
80 {
81 GDBM_DATA;
82 datum gval;
83 char *new = NULL;
84
85 GDBM_GKEY;
86 gval = gdbm_fetch(dba->dbf, gkey);
87 if(gval.dptr) {
88 if(newlen) *newlen = gval.dsize;
89 new = estrndup(gval.dptr, gval.dsize);
90 free(gval.dptr);
91 }
92 return new;
93 }
94
DBA_UPDATE_FUNC(gdbm)95 DBA_UPDATE_FUNC(gdbm)
96 {
97 datum gval;
98 GDBM_DATA;
99
100 GDBM_GKEY;
101 gval.dptr = (char *) val;
102 gval.dsize = vallen;
103
104 switch (gdbm_store(dba->dbf, gkey, gval, mode == 1 ? GDBM_INSERT : GDBM_REPLACE)) {
105 case 0:
106 return SUCCESS;
107 case 1:
108 return FAILURE;
109 case -1:
110 php_error_docref2(NULL, key, val, E_WARNING, "%s", gdbm_strerror(gdbm_errno));
111 return FAILURE;
112 default:
113 php_error_docref2(NULL, key, val, E_WARNING, "Unknown return value");
114 return FAILURE;
115 }
116 }
117
DBA_EXISTS_FUNC(gdbm)118 DBA_EXISTS_FUNC(gdbm)
119 {
120 GDBM_DATA;
121 GDBM_GKEY;
122
123 return gdbm_exists(dba->dbf, gkey) ? SUCCESS : FAILURE;
124 }
125
DBA_DELETE_FUNC(gdbm)126 DBA_DELETE_FUNC(gdbm)
127 {
128 GDBM_DATA;
129 GDBM_GKEY;
130
131 return gdbm_delete(dba->dbf, gkey) == -1 ? FAILURE : SUCCESS;
132 }
133
DBA_FIRSTKEY_FUNC(gdbm)134 DBA_FIRSTKEY_FUNC(gdbm)
135 {
136 GDBM_DATA;
137 datum gkey;
138 char *key = NULL;
139
140 if(dba->nextkey.dptr) {
141 free(dba->nextkey.dptr);
142 }
143
144 gkey = gdbm_firstkey(dba->dbf);
145 if(gkey.dptr) {
146 key = estrndup(gkey.dptr, gkey.dsize);
147 if(newlen) *newlen = gkey.dsize;
148 dba->nextkey = gkey;
149 } else {
150 dba->nextkey.dptr = NULL;
151 }
152 return key;
153 }
154
DBA_NEXTKEY_FUNC(gdbm)155 DBA_NEXTKEY_FUNC(gdbm)
156 {
157 GDBM_DATA;
158 char *nkey = NULL;
159 datum gkey;
160
161 if(!dba->nextkey.dptr) return NULL;
162
163 gkey = gdbm_nextkey(dba->dbf, dba->nextkey);
164 free(dba->nextkey.dptr);
165 if(gkey.dptr) {
166 nkey = estrndup(gkey.dptr, gkey.dsize);
167 if(newlen) *newlen = gkey.dsize;
168 dba->nextkey = gkey;
169 } else {
170 dba->nextkey.dptr = NULL;
171 }
172 return nkey;
173 }
174
DBA_OPTIMIZE_FUNC(gdbm)175 DBA_OPTIMIZE_FUNC(gdbm)
176 {
177 GDBM_DATA;
178 gdbm_reorganize(dba->dbf);
179 return SUCCESS;
180 }
181
DBA_SYNC_FUNC(gdbm)182 DBA_SYNC_FUNC(gdbm)
183 {
184 GDBM_DATA;
185
186 gdbm_sync(dba->dbf);
187 return SUCCESS;
188 }
189
DBA_INFO_FUNC(gdbm)190 DBA_INFO_FUNC(gdbm)
191 {
192 return estrdup(gdbm_version);
193 }
194
195 #endif
196
