Use for () where it is better suited than while ().

diff --git a/ast.c b/ast.c
index c62110a..c71741f 100644 (file)
--- a/ast.c
+++ b/ast.c
@@ -313,17 +313,14 @@ static void print_call_expression(const call_expression_t *call)
 {
        print_expression_prec(call->function, PREC_POSTFIX);
        print_char('(');
-       call_argument_t *argument = call->arguments;
-       int              first    = 1;
-       while (argument != NULL) {
+       int first = 1;
+       for (call_argument_t const *arg = call->arguments; arg; arg = arg->next) {
                if (!first) {
                        print_string(", ");
                } else {
                        first = 0;
                }
-               print_assignment_expression(argument->expression);
-
-               argument = argument->next;
+               print_assignment_expression(arg->expression);
        }
        print_char(')');
 }
@@ -785,13 +782,11 @@ static void print_compound_statement(const compound_statement_t *block)
        print_string("{\n");
        ++indent;
 
-       statement_t *statement = block->statements;
-       while (statement != NULL) {
-               print_indented_statement(statement);
+       for (statement_t const *stmt = block->statements; stmt; stmt = stmt->base.next) {
+               print_indented_statement(stmt);
                print_char('\n');
-
-               statement = statement->base.next;
        }
+
        --indent;
        print_indent();
        print_char('}');