Merge remote-tracking branch 'remotes/upstream/master' into baserock/morph

1 files changed, 47 insertions, 0 deletions

diff --git a/com32/lib/syslinux/setup_data.c b/com32/lib/syslinux/setup_data.c
new file mode 100644
index 00000000..a36c5b61
--- /dev/null
+++ b/com32/lib/syslinux/setup_data.c
@@ -0,0 +1,47 @@
+#include <stdlib.h>
+#include <syslinux/linux.h>
+#include <syslinux/loadfile.h>
+
+struct setup_data *setup_data_init(void)
+{
+    struct setup_data *setup_data;
+
+    setup_data = zalloc(sizeof(*setup_data));
+    if (!setup_data)
+	return NULL;
+
+    setup_data->prev = setup_data->next = setup_data;
+    return setup_data;
+}
+
+int setup_data_add(struct setup_data *head, uint32_t type,
+		   const void *data, size_t data_len)
+{
+	struct setup_data *setup_data;
+
+	setup_data = zalloc(sizeof(*setup_data));
+	if (!setup_data)
+	    return -1;
+
+	setup_data->data     = data;
+	setup_data->hdr.len  = data_len;
+	setup_data->hdr.type = type;
+	setup_data->prev     = head->prev;
+	setup_data->next     = head;
+	head->prev->next     = setup_data;
+	head->prev           = setup_data;
+
+	return 0;
+}
+
+int setup_data_load(struct setup_data *head, uint32_t type,
+		    const char *filename)
+{
+	void *data;
+	size_t len;
+
+	if (loadfile(filename, &data, &len))
+		return -1;
+
+	return setup_data_add(head, type, data, len);
+}