container_of(stmt, struct grub2_statement_menuentry, st)
#define to_stmt_function(stmt) \
container_of(stmt, struct grub2_statement_function, st)
+#define to_stmt_conditional(stmt) \
+ container_of(stmt, struct grub2_statement_conditional, st)
struct env_entry {
const char *name;
return rc;
}
+/* returns 0 if the statement was executed, 1 otherwise */
+static int statement_conditional_execute(struct grub2_script *script,
+ struct grub2_statement *statement, bool *executed)
+{
+ struct grub2_statement_conditional *st = to_stmt_conditional(statement);
+ int rc;
+
+ rc = st->condition->exec(script, st->condition);
+ *executed = (!rc);
+ if (*executed)
+ rc = statements_execute(script, st->statements);
+
+ return rc;
+}
+
int statement_if_execute(struct grub2_script *script,
struct grub2_statement *statement)
{
struct grub2_statement_if *st = to_stmt_if(statement);
- struct grub2_statements *case_stmts;
+ struct grub2_statement *conditional;
+ bool executed;
int rc;
- rc = st->condition->exec(script, st->condition);
-
- if (rc == 0)
- case_stmts = st->true_case;
- else
- case_stmts = st->false_case;
+ list_for_each_entry(&st->conditionals->list, conditional, list) {
+ rc = statement_conditional_execute(script,
+ conditional, &executed);
+ if (executed)
+ break;
+ }
- if (case_stmts)
- statements_execute(script, case_stmts);
- else
- rc = 0;
+ if (!executed && st->else_case)
+ rc = statements_execute(script, st->else_case);
return rc;
}