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Diffstat (limited to 'src/sq/sq_prepare.c')
-rw-r--r-- | src/sq/sq_prepare.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/sq/sq_prepare.c b/src/sq/sq_prepare.c new file mode 100644 index 000000000..8c46302f2 --- /dev/null +++ b/src/sq/sq_prepare.c | |||
@@ -0,0 +1,83 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2018 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | /** | ||
19 | * @file sq/sq_prepare.c | ||
20 | * @brief helper functions for executing SQL statements | ||
21 | * @author Christian Grothoff | ||
22 | */ | ||
23 | #include "platform.h" | ||
24 | #include "gnunet_sq_lib.h" | ||
25 | |||
26 | |||
27 | /** | ||
28 | * Create a `struct GNUNET_SQ_PrepareStatement` | ||
29 | * | ||
30 | * @param sql actual SQL statement | ||
31 | * @param pstmt where to store the handle | ||
32 | * @return initialized struct | ||
33 | */ | ||
34 | struct GNUNET_SQ_PrepareStatement | ||
35 | GNUNET_SQ_make_prepare (const char *sql, | ||
36 | sqlite3_stmt **pstmt) | ||
37 | { | ||
38 | struct GNUNET_SQ_PrepareStatement ps = { | ||
39 | .sql = sql, | ||
40 | .pstmt = pstmt | ||
41 | }; | ||
42 | |||
43 | return ps; | ||
44 | } | ||
45 | |||
46 | |||
47 | |||
48 | /** | ||
49 | * Prepare all statements given in the (NULL,NULL)-terminated | ||
50 | * array at @a ps | ||
51 | * | ||
52 | * @param dbh database to use | ||
53 | * @param ps array of statements to prepare | ||
54 | * @return #GNUNET_OK on success | ||
55 | */ | ||
56 | int | ||
57 | GNUNET_SQ_prepare (sqlite3 *dbh, | ||
58 | const struct GNUNET_SQ_PrepareStatement *ps) | ||
59 | { | ||
60 | for (unsigned int i=0;NULL != ps[i].sql;i++) | ||
61 | { | ||
62 | const char *epos = NULL; | ||
63 | int ret; | ||
64 | |||
65 | if (SQLITE_OK != | ||
66 | (ret = sqlite3_prepare_v2 (dbh, | ||
67 | ps[i].sql, | ||
68 | strlen (ps[i].sql), | ||
69 | ps[i].pstmt, | ||
70 | &epos))) | ||
71 | { | ||
72 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
73 | "Failed to prepare SQL `%s': error %d at %s\n", | ||
74 | ps[i].sql, | ||
75 | ret, | ||
76 | epos); | ||
77 | return GNUNET_SYSERR; | ||
78 | } | ||
79 | } | ||
80 | return GNUNET_OK; | ||
81 | } | ||
82 | |||
83 | /* end of sq_prepare.c */ | ||