bug for empty []/{}; check extra left brackets

diff --git a/kson.c b/kson.c
index 0e9dff2dd793e92856b6dc506eee468429f7276a..7b17e771219d356b5e975d67e87e1b46f90f9dd8 100644 (file)
--- a/kson.c
+++ b/kson.c
@@ -87,6 +87,7 @@ kson_node_t *kson_parse_core(const char *json, int *_n, int *error, const char *
                }
        }
        *end = p;
+       if (top != 1) *error = KSON_ERR_EXTRA_LEFT;
 
        free(stack);
        *_n = n_a;
@@ -99,7 +100,7 @@ void kson_print_recur(kson_node_t *nodes, kson_node_t *p)
                printf("\"%s\"", p->key);
                if (p->v.str) putchar(':');
        }
-       if (p->n) {
+       if (p->type == KSON_TYPE_BRACKET || p->type == KSON_TYPE_BRACE) {
                int i;
                putchar(p->type == KSON_TYPE_BRACKET? '[' : '{');
                for (i = 0; i < p->n; ++i) {
@@ -107,7 +108,7 @@ void kson_print_recur(kson_node_t *nodes, kson_node_t *p)
                        kson_print_recur(nodes, &nodes[p->v.child[i]]);
                }
                putchar(p->type == KSON_TYPE_BRACKET? ']' : '}');
-       } else if (p->v.str) {
+       } else {
                if (p->type != KSON_TYPE_NO_QUOTE)
                        putchar(p->type == KSON_TYPE_SGL_QUOTE? '\'' : '"');
                printf("%s", p->v.str);
@@ -122,7 +123,7 @@ int main(int argc, char *argv[])
        kson_node_t *nodes;
        int n_nodes, error;
        const char *end;
-       nodes = kson_parse_core("{'a':1, 'b':[1,'c',true]}", &n_nodes, &error, &end);
+       nodes = kson_parse_core("{'a':1, 'b':[1,'c',true],'d':[]}", &n_nodes, &error, &end);
        if (error == 0) {
                kson_print_recur(nodes, &nodes[0]);
                putchar('\n');