1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 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: Marcus Boerger <helly@php.net> |
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_FLATFILE
28 #include "php_flatfile.h"
29
30 #include "libflatfile/flatfile.h"
31
32 #ifdef HAVE_UNISTD_H
33 #include <unistd.h>
34 #endif
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <fcntl.h>
38
39 #define FLATFILE_DATA flatfile *dba = info->dbf
40 #define FLATFILE_GKEY datum gkey; gkey.dptr = (char *) key; gkey.dsize = keylen
41
DBA_OPEN_FUNC(flatfile)42 DBA_OPEN_FUNC(flatfile)
43 {
44 info->dbf = pemalloc(sizeof(flatfile), info->flags&DBA_PERSISTENT);
45 memset(info->dbf, 0, sizeof(flatfile));
46
47 ((flatfile*)info->dbf)->fp = info->fp;
48
49 return SUCCESS;
50 }
51
DBA_CLOSE_FUNC(flatfile)52 DBA_CLOSE_FUNC(flatfile)
53 {
54 FLATFILE_DATA;
55
56 if (dba->nextkey.dptr) {
57 efree(dba->nextkey.dptr);
58 }
59 pefree(dba, info->flags&DBA_PERSISTENT);
60 }
61
DBA_FETCH_FUNC(flatfile)62 DBA_FETCH_FUNC(flatfile)
63 {
64 datum gval;
65 char *new = NULL;
66
67 FLATFILE_DATA;
68 FLATFILE_GKEY;
69
70 gval = flatfile_fetch(dba, gkey TSRMLS_CC);
71 if (gval.dptr) {
72 if (newlen) {
73 *newlen = gval.dsize;
74 }
75 new = estrndup(gval.dptr, gval.dsize);
76 efree(gval.dptr);
77 }
78 return new;
79 }
80
DBA_UPDATE_FUNC(flatfile)81 DBA_UPDATE_FUNC(flatfile)
82 {
83 datum gval;
84
85 FLATFILE_DATA;
86 FLATFILE_GKEY;
87 gval.dptr = (char *) val;
88 gval.dsize = vallen;
89
90 switch(flatfile_store(dba, gkey, gval, mode==1 ? FLATFILE_INSERT : FLATFILE_REPLACE TSRMLS_CC)) {
91 case -1:
92 php_error_docref1(NULL TSRMLS_CC, key, E_WARNING, "Operation not possible");
93 return FAILURE;
94 default:
95 case 0:
96 return SUCCESS;
97 case 1:
98 php_error_docref1(NULL TSRMLS_CC, key, E_WARNING, "Key already exists");
99 return FAILURE;
100 }
101 }
102
DBA_EXISTS_FUNC(flatfile)103 DBA_EXISTS_FUNC(flatfile)
104 {
105 datum gval;
106 FLATFILE_DATA;
107 FLATFILE_GKEY;
108
109 gval = flatfile_fetch(dba, gkey TSRMLS_CC);
110 if (gval.dptr) {
111 efree(gval.dptr);
112 return SUCCESS;
113 }
114 return FAILURE;
115 }
116
DBA_DELETE_FUNC(flatfile)117 DBA_DELETE_FUNC(flatfile)
118 {
119 FLATFILE_DATA;
120 FLATFILE_GKEY;
121 return(flatfile_delete(dba, gkey TSRMLS_CC) == -1 ? FAILURE : SUCCESS);
122 }
123
DBA_FIRSTKEY_FUNC(flatfile)124 DBA_FIRSTKEY_FUNC(flatfile)
125 {
126 FLATFILE_DATA;
127
128 if (dba->nextkey.dptr) {
129 efree(dba->nextkey.dptr);
130 }
131 dba->nextkey = flatfile_firstkey(dba TSRMLS_CC);
132 if (dba->nextkey.dptr) {
133 if (newlen) {
134 *newlen = dba->nextkey.dsize;
135 }
136 return estrndup(dba->nextkey.dptr, dba->nextkey.dsize);
137 }
138 return NULL;
139 }
140
DBA_NEXTKEY_FUNC(flatfile)141 DBA_NEXTKEY_FUNC(flatfile)
142 {
143 FLATFILE_DATA;
144
145 if (!dba->nextkey.dptr) {
146 return NULL;
147 }
148
149 if (dba->nextkey.dptr) {
150 efree(dba->nextkey.dptr);
151 }
152 dba->nextkey = flatfile_nextkey(dba TSRMLS_CC);
153 if (dba->nextkey.dptr) {
154 if (newlen) {
155 *newlen = dba->nextkey.dsize;
156 }
157 return estrndup(dba->nextkey.dptr, dba->nextkey.dsize);
158 }
159 return NULL;
160 }
161
DBA_OPTIMIZE_FUNC(flatfile)162 DBA_OPTIMIZE_FUNC(flatfile)
163 {
164 /* dummy */
165 return SUCCESS;
166 }
167
DBA_SYNC_FUNC(flatfile)168 DBA_SYNC_FUNC(flatfile)
169 {
170 /* dummy */
171 return SUCCESS;
172 }
173
DBA_INFO_FUNC(flatfile)174 DBA_INFO_FUNC(flatfile)
175 {
176 return estrdup(flatfile_version());
177 }
178
179 #endif
180
181 /*
182 * Local variables:
183 * tab-width: 4
184 * c-basic-offset: 4
185 * End:
186 * vim600: sw=4 ts=4 fdm=marker
187 * vim<600: sw=4 ts=4
188 */
189