1 /*
2 * Copyright (C) 2008 - 2011 Vivien Malerba <malerba@gnome-db.org>
3 * Copyright (C) 2011 Murray Cumming <murrayc@murrayc.com>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21 #include <string.h>
22 #include <glib/gi18n-lib.h>
23 #include "gda-mysql-pstmt.h"
24
25 static void
26 gda_mysql_pstmt_class_init (GdaMysqlPStmtClass *klass);
27 static void
28 gda_mysql_pstmt_init (GdaMysqlPStmt *pstmt,
29 GdaMysqlPStmtClass *klass);
30 static void
31 gda_mysql_pstmt_finalize (GObject *object);
32
33 static GObjectClass *parent_class = NULL;
34
35 /**
36 * gda_mysql_pstmt_get_type
37 *
38 * Returns: the #GType of GdaMysqlPStmt.
39 */
40 GType
gda_mysql_pstmt_get_type(void)41 gda_mysql_pstmt_get_type (void)
42 {
43 static GType type = 0;
44
45 if (G_UNLIKELY (type == 0)) {
46 static GMutex registering;
47 static const GTypeInfo info = {
48 sizeof (GdaMysqlPStmtClass),
49 (GBaseInitFunc) NULL,
50 (GBaseFinalizeFunc) NULL,
51 (GClassInitFunc) gda_mysql_pstmt_class_init,
52 NULL,
53 NULL,
54 sizeof (GdaMysqlPStmt),
55 0,
56 (GInstanceInitFunc) gda_mysql_pstmt_init,
57 NULL
58 };
59
60 g_mutex_lock (®istering);
61 if (type == 0)
62 type = g_type_register_static (GDA_TYPE_PSTMT, "GdaMysqlPStmt", &info, 0);
63 g_mutex_unlock (®istering);
64 }
65 return type;
66 }
67
68 static void
gda_mysql_pstmt_class_init(GdaMysqlPStmtClass * klass)69 gda_mysql_pstmt_class_init (GdaMysqlPStmtClass *klass)
70 {
71 GObjectClass *object_class = G_OBJECT_CLASS (klass);
72 parent_class = g_type_class_peek_parent (klass);
73
74 /* virtual functions */
75 object_class->finalize = gda_mysql_pstmt_finalize;
76 }
77
78 static void
gda_mysql_pstmt_init(GdaMysqlPStmt * pstmt,G_GNUC_UNUSED GdaMysqlPStmtClass * klass)79 gda_mysql_pstmt_init (GdaMysqlPStmt *pstmt,
80 G_GNUC_UNUSED GdaMysqlPStmtClass *klass)
81 {
82 g_return_if_fail (GDA_IS_PSTMT (pstmt));
83
84 /* initialize specific parts of @pstmt */
85 // TO_IMPLEMENT;
86 pstmt->mysql_bind_result = NULL;
87 }
88
89 static void
gda_mysql_pstmt_finalize(GObject * object)90 gda_mysql_pstmt_finalize (GObject *object)
91 {
92 GdaMysqlPStmt *pstmt = (GdaMysqlPStmt *) object;
93
94 g_return_if_fail (GDA_IS_PSTMT (pstmt));
95
96 /* free memory */
97 if (pstmt->mysql_stmt)
98 mysql_stmt_close (pstmt->mysql_stmt);
99
100 gint i;
101 for (i = 0; i < ((GdaPStmt *) pstmt)->ncols; ++i) {
102 g_free (pstmt->mysql_bind_result[i].buffer);
103 g_free (pstmt->mysql_bind_result[i].is_null);
104 g_free (pstmt->mysql_bind_result[i].length);
105 }
106 g_free (pstmt->mysql_bind_result);
107 pstmt->mysql_bind_result = NULL;
108
109 /* chain to parent class */
110 parent_class->finalize (object);
111 }
112
113 /*
114 * Steals @mysql_stmt
115 */
116 GdaMysqlPStmt *
gda_mysql_pstmt_new(GdaConnection * cnc,MYSQL * mysql,MYSQL_STMT * mysql_stmt)117 gda_mysql_pstmt_new (GdaConnection *cnc,
118 MYSQL *mysql,
119 MYSQL_STMT *mysql_stmt)
120 {
121 GdaMysqlPStmt *ps = (GdaMysqlPStmt *) g_object_new (GDA_TYPE_MYSQL_PSTMT,
122 NULL);
123 ps->cnc = cnc;
124 ps->mysql = mysql;
125 ps->mysql_stmt = mysql_stmt;
126 ps->stmt_used = FALSE;
127
128 return ps;
129 }
130
131