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+/* gpgsql.h - SQLite helper functions.
+ * Copyright (C) 2015 g10 Code GmbH
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef GNUPG_GPGSQL_H
+#define GNUPG_GPGSQL_H
+
+#include <sqlite3.h>
+
+enum gpgsql_arg_type
+ {
+ GPGSQL_ARG_END = 0xdead001,
+ GPGSQL_ARG_INT,
+ GPGSQL_ARG_LONG_LONG,
+ GPGSQL_ARG_STRING,
+ /* This takes two arguments: the blob as a void * and the length
+ of the blob as a long long. */
+ GPGSQL_ARG_BLOB
+ };
+
+int gpgsql_exec_printf (sqlite3 *db,
+ int (*callback)(void*,int,char**,char**), void *cookie,
+ char **errmsg,
+ const char *sql, ...);
+
+typedef int (*gpgsql_stepx_callback) (void *cookie,
+ /* number of columns. */
+ int cols,
+ /* columns as text. */
+ char **values,
+ /* column names. */
+ char **names,
+ /* The prepared statement so
+ * that it is possible to use
+ * something like
+ * sqlite3_column_blob(). */
+ sqlite3_stmt *statement);
+
+int gpgsql_stepx (sqlite3 *db,
+ sqlite3_stmt **stmtp,
+ gpgsql_stepx_callback callback,
+ void *cookie,
+ char **errmsg,
+ const char *sql, ...);
+
+#endif /*GNUPG_GPGSQL_H*/