Provide string and integer column accessors

Signed-off-by: Shawn Webb <shawn.webb@hardenedbsd.org>

include/liblattutil.h

@@ -359,6 +359,26 @@ const ucl_object_t *lattutil_sqlite_get_row(lattutil_sqlite_query_t *, size_t);
  */
 const ucl_object_t *lattutil_sqlite_get_column(const ucl_object_t *, size_t);
 
+/**
+ * Return a column as a string
+ *
+ * @param The UCL object containing the row
+ * @param The integer column ID
+ * @return The string value of the column
+ */
+const char *lattutil_sqlite_get_column_string(const ucl_object_t *, size_t);
+
+/**
+ * Return a column as a 64-bit signed integer
+ *
+ * @param The UCL object containing the row
+ * @param The integer column ID
+ * @param The default value if the column cannot be found or converted
+ *        to int64_t
+ * @return The integer value of the column or the default value
+ */
+int64_t lattutil_sqlite_get_column_int(const ucl_object_t *, size_t, int64_t);
+
 #ifdef _lattutil_internal
 ssize_t lattutil_log_syslog_debug(lattutil_log_t *, int,
     const char *, ...);

src/sqlite3.c

@@ -345,6 +345,42 @@ lattutil_sqlite_get_column(const ucl_object_t *row, size_t colid)
 	return (NULL);
 }
 
+EXPORTED_SYM
+const char *
+lattutil_sqlite_get_column_string(const ucl_object_t *row, size_t colid)
+{
+	const ucl_object_t *obj;
+
+	if (row == NULL) {
+		return (NULL);
+	}
+
+	obj = lattutil_sqlite_get_column(row, colid);
+	if (obj != NULL) {
+		return (ucl_object_tostring(obj));
+	}
+
+	return (NULL);
+}
+
+EXPORTED_SYM
+int64_t
+lattutil_sqlite_get_column_int(const ucl_object_t *row, size_t colid, int64_t def)
+{
+	const ucl_object_t *obj;
+
+	if (row == NULL) {
+		return (def);
+	}
+
+	obj = lattutil_sqlite_get_column(row, colid);
+	if (obj != NULL) {
+		return (ucl_object_toint(obj));
+	}
+
+	return (def);
+}
+
 static bool
 _lattutil_sqlite_add_row(lattutil_sqlite_query_t *query)
 {