1 files changed, 43 insertions, 1 deletions
diff --git a/include/sql.h b/include/sql.h
index e14167b..a90fde6 100644
--- a/include/sql.h
+++ b/include/sql.h
@@ -1,6 +1,48 @@
 #ifndef SQL_H
 #define SQL_H
+#include <stdbool.h>
+#include <sqlite3.h>
 
-extern const char *INIT_SQL, *INSERT_SQL, *DELETE_SQL;
+struct slidid { sqlite3_int64 il, in, res; };
+extern struct sql_state {
+	sqlite3 *db;
+} state;
 
+enum statements_index {
+	STMTIDX_INIT = 0,
+	STMTIDX_INSERT,
+	STMTIDX_DELETE,
+	STMTIDX_SELECT,
+	STMTIDX_RESET,
+	STMTIDX_GETN,
+	STMTIDX_SIZE,
+};
+
+enum dberror {
+	DBERROR_SUCCESS = 0,
+	DBERROR_ARGS,
+	DBERROR_INVAL,
+	DBERROR_OCCUPIED,
+	DBERROR_SERVER,
+	DBERROR_TOOBIG,
+	DBERROR_UNKNOWN,
+};
+
+extern struct sqlite3_stmt *statements[STMTIDX_SIZE];
+
+void sqlite_init(const char *db);
+void sqlite_deinit(void);
+
+enum dberror db_add_url(const char *url, const char *path, char **out);
+bool db_del_url(const char *path);
+// dong: output parameter
+char *db_get_info(const char *path, long *dong);
+// server should use this one. Memory must be freed.
+char *db_get_url(const char *path);
+
+static char *itou(register unsigned long i, register char *buf);
+static unsigned long utoi(const char *s);
+
+const char *db_error(enum dberror e);
+int db_error_status(enum dberror e);
 #endif