First commit

1 files changed, 35 insertions, 0 deletions

diff --git a/src/routines/section/data_count.c b/src/routines/section/data_count.c
new file mode 100644
index 0000000..9e7ea07
--- /dev/null
+++ b/src/routines/section/data_count.c
@@ -0,0 +1,35 @@
+/*
+ * nanowasm, a tiny WebAssembly/Wasm interpreter
+ * Copyright (C) 2023-2025  Xavier Del Campo Romero
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+#include <nanowasm/nw.h>
+#include <nw/io.h>
+#include <nw/log.h>
+#include <nw/routines.h>
+
+static enum nw_state get_count(struct nw_mod *const m)
+{
+    const struct nw_io_cfg *const cfg = &m->cfg.io;
+    struct nw_sm_dc *const dc = &m->sm.data_count;
+    struct nw_sm_leb128 *const l = &dc->leb128;
+    enum nw_state n;
+
+    if ((n = nwp_varuint32(cfg, l, &m->data_count, cfg->user)))
+        return n;
+
+    m->next = nwp_section_exit;
+    return NW_AGAIN;
+}
+
+void nwp_section_data_count(struct nw_mod *const m)
+{
+    const struct nw_sm_dc dc = {0};
+
+    m->sm.data_count = dc;
+    m->next = get_count;
+}