diff options
author | Christian Grothoff <christian@grothoff.org> | 2018-05-09 17:33:04 +0200 |
---|---|---|
committer | Christian Grothoff <christian@grothoff.org> | 2018-05-09 17:33:04 +0200 |
commit | 8bb475af99260f1d107dbc8908268ae93960aa83 (patch) | |
tree | 1a7a1fc03424df841a6f977b137482439b09bc9f /src/sq/sq_prepare.c | |
parent | 1f80a11e90ee982bffaae4685e281f75ee1c225d (diff) | |
download | gnunet-8bb475af99260f1d107dbc8908268ae93960aa83.tar.gz gnunet-8bb475af99260f1d107dbc8908268ae93960aa83.zip |
implement new functions in libgnunetsq, clean up sqlite namestore plugin, implement flow control in namestore API and tests
Diffstat (limited to 'src/sq/sq_prepare.c')
-rw-r--r-- | src/sq/sq_prepare.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/sq/sq_prepare.c b/src/sq/sq_prepare.c new file mode 100644 index 000000000..db1047c75 --- /dev/null +++ b/src/sq/sq_prepare.c | |||
@@ -0,0 +1,81 @@ | |||
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 under the | ||
6 | terms of the GNU General Public License as published by the Free Software | ||
7 | Foundation; either version 3, or (at your option) any later version. | ||
8 | |||
9 | GNUnet is distributed in the hope that it will be useful, but WITHOUT ANY | ||
10 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR | ||
11 | A PARTICULAR PURPOSE. See the GNU General Public License for more details. | ||
12 | |||
13 | You should have received a copy of the GNU General Public License along with | ||
14 | GNUnet; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/> | ||
15 | */ | ||
16 | /** | ||
17 | * @file sq/sq_prepare.c | ||
18 | * @brief helper functions for executing SQL statements | ||
19 | * @author Christian Grothoff | ||
20 | */ | ||
21 | #include "platform.h" | ||
22 | #include "gnunet_sq_lib.h" | ||
23 | |||
24 | |||
25 | /** | ||
26 | * Create a `struct GNUNET_SQ_PrepareStatement` | ||
27 | * | ||
28 | * @param sql actual SQL statement | ||
29 | * @param pstmt where to store the handle | ||
30 | * @return initialized struct | ||
31 | */ | ||
32 | struct GNUNET_SQ_PrepareStatement | ||
33 | GNUNET_SQ_make_prepare (const char *sql, | ||
34 | sqlite3_stmt **pstmt) | ||
35 | { | ||
36 | struct GNUNET_SQ_PrepareStatement ps = { | ||
37 | .sql = sql, | ||
38 | .pstmt = pstmt | ||
39 | }; | ||
40 | |||
41 | return ps; | ||
42 | } | ||
43 | |||
44 | |||
45 | |||
46 | /** | ||
47 | * Prepare all statements given in the (NULL,NULL)-terminated | ||
48 | * array at @a ps | ||
49 | * | ||
50 | * @param dbh database to use | ||
51 | * @param ps array of statements to prepare | ||
52 | * @return #GNUNET_OK on success | ||
53 | */ | ||
54 | int | ||
55 | GNUNET_SQ_prepare (sqlite3 *dbh, | ||
56 | const struct GNUNET_SQ_PrepareStatement *ps) | ||
57 | { | ||
58 | for (unsigned int i=0;NULL != ps[i].sql;i++) | ||
59 | { | ||
60 | const char *epos = NULL; | ||
61 | int ret; | ||
62 | |||
63 | if (SQLITE_OK != | ||
64 | (ret = sqlite3_prepare_v2 (dbh, | ||
65 | ps[i].sql, | ||
66 | strlen (ps[i].sql), | ||
67 | ps[i].pstmt, | ||
68 | &epos))) | ||
69 | { | ||
70 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
71 | "Failed to prepare SQL `%s': error %d at %s\n", | ||
72 | ps[i].sql, | ||
73 | ret, | ||
74 | epos); | ||
75 | return GNUNET_SYSERR; | ||
76 | } | ||
77 | } | ||
78 | return GNUNET_OK; | ||
79 | } | ||
80 | |||
81 | /* end of sq_prepare.c */ | ||