1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 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 /* $Id$ */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include "php.h"
26
27 #if DBA_GDBM
28 #include "php_gdbm.h"
29
30 #ifdef GDBM_INCLUDE_FILE
31 #include GDBM_INCLUDE_FILE
32 #endif
33
34 #define GDBM_DATA dba_gdbm_data *dba = info->dbf
35 #define GDBM_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
36
37 typedef struct {
38 GDBM_FILE dbf;
39 datum nextkey;
40 } dba_gdbm_data;
41
DBA_OPEN_FUNC(gdbm)42 DBA_OPEN_FUNC(gdbm)
43 {
44 GDBM_FILE dbf;
45 int gmode = 0;
46 int filemode = 0644;
47
48 gmode = info->mode == DBA_READER ? GDBM_READER :
49 info->mode == DBA_WRITER ? GDBM_WRITER :
50 info->mode == DBA_CREAT ? GDBM_WRCREAT :
51 info->mode == DBA_TRUNC ? GDBM_NEWDB : -1;
52
53 if(gmode == -1)
54 return FAILURE; /* not possible */
55
56 if(info->argc > 0) {
57 convert_to_long_ex(info->argv[0]);
58 filemode = Z_LVAL_PP(info->argv[0]);
59 }
60
61 dbf = gdbm_open(info->path, 0, gmode, filemode, NULL);
62
63 if(dbf) {
64 info->dbf = pemalloc(sizeof(dba_gdbm_data), info->flags&DBA_PERSISTENT);
65 memset(info->dbf, 0, sizeof(dba_gdbm_data));
66 ((dba_gdbm_data *) info->dbf)->dbf = dbf;
67 return SUCCESS;
68 }
69 *error = gdbm_strerror(gdbm_errno);
70 return FAILURE;
71 }
72
DBA_CLOSE_FUNC(gdbm)73 DBA_CLOSE_FUNC(gdbm)
74 {
75 GDBM_DATA;
76
77 if(dba->nextkey.dptr) free(dba->nextkey.dptr);
78 gdbm_close(dba->dbf);
79 pefree(dba, info->flags&DBA_PERSISTENT);
80 }
81
DBA_FETCH_FUNC(gdbm)82 DBA_FETCH_FUNC(gdbm)
83 {
84 GDBM_DATA;
85 datum gval;
86 char *new = NULL;
87
88 GDBM_GKEY;
89 gval = gdbm_fetch(dba->dbf, gkey);
90 if(gval.dptr) {
91 if(newlen) *newlen = gval.dsize;
92 new = estrndup(gval.dptr, gval.dsize);
93 free(gval.dptr);
94 }
95 return new;
96 }
97
DBA_UPDATE_FUNC(gdbm)98 DBA_UPDATE_FUNC(gdbm)
99 {
100 datum gval;
101 GDBM_DATA;
102
103 GDBM_GKEY;
104 gval.dptr = (char *) val;
105 gval.dsize = vallen;
106
107 switch (gdbm_store(dba->dbf, gkey, gval, mode == 1 ? GDBM_INSERT : GDBM_REPLACE)) {
108 case 0:
109 return SUCCESS;
110 case 1:
111 return FAILURE;
112 case -1:
113 php_error_docref2(NULL TSRMLS_CC, key, val, E_WARNING, "%s", gdbm_strerror(gdbm_errno));
114 return FAILURE;
115 default:
116 php_error_docref2(NULL TSRMLS_CC, key, val, E_WARNING, "Unknown return value");
117 return FAILURE;
118 }
119 }
120
DBA_EXISTS_FUNC(gdbm)121 DBA_EXISTS_FUNC(gdbm)
122 {
123 GDBM_DATA;
124 GDBM_GKEY;
125
126 return gdbm_exists(dba->dbf, gkey) ? SUCCESS : FAILURE;
127 }
128
DBA_DELETE_FUNC(gdbm)129 DBA_DELETE_FUNC(gdbm)
130 {
131 GDBM_DATA;
132 GDBM_GKEY;
133
134 return gdbm_delete(dba->dbf, gkey) == -1 ? FAILURE : SUCCESS;
135 }
136
DBA_FIRSTKEY_FUNC(gdbm)137 DBA_FIRSTKEY_FUNC(gdbm)
138 {
139 GDBM_DATA;
140 datum gkey;
141 char *key = NULL;
142
143 if(dba->nextkey.dptr) {
144 free(dba->nextkey.dptr);
145 }
146
147 gkey = gdbm_firstkey(dba->dbf);
148 if(gkey.dptr) {
149 key = estrndup(gkey.dptr, gkey.dsize);
150 if(newlen) *newlen = gkey.dsize;
151 dba->nextkey = gkey;
152 } else {
153 dba->nextkey.dptr = NULL;
154 }
155 return key;
156 }
157
DBA_NEXTKEY_FUNC(gdbm)158 DBA_NEXTKEY_FUNC(gdbm)
159 {
160 GDBM_DATA;
161 char *nkey = NULL;
162 datum gkey;
163
164 if(!dba->nextkey.dptr) return NULL;
165
166 gkey = gdbm_nextkey(dba->dbf, dba->nextkey);
167 free(dba->nextkey.dptr);
168 if(gkey.dptr) {
169 nkey = estrndup(gkey.dptr, gkey.dsize);
170 if(newlen) *newlen = gkey.dsize;
171 dba->nextkey = gkey;
172 } else {
173 dba->nextkey.dptr = NULL;
174 }
175 return nkey;
176 }
177
DBA_OPTIMIZE_FUNC(gdbm)178 DBA_OPTIMIZE_FUNC(gdbm)
179 {
180 GDBM_DATA;
181 gdbm_reorganize(dba->dbf);
182 return SUCCESS;
183 }
184
DBA_SYNC_FUNC(gdbm)185 DBA_SYNC_FUNC(gdbm)
186 {
187 GDBM_DATA;
188
189 gdbm_sync(dba->dbf);
190 return SUCCESS;
191 }
192
DBA_INFO_FUNC(gdbm)193 DBA_INFO_FUNC(gdbm)
194 {
195 return estrdup(gdbm_version);
196 }
197
198 #endif
199
200 /*
201 * Local variables:
202 * tab-width: 4
203 * c-basic-offset: 4
204 * End:
205 * vim600: sw=4 ts=4 fdm=marker
206 * vim<600: sw=4 ts=4
207 */
208
