X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fntdb%2Ftest%2Flayout.h;fp=ccan%2Fntdb%2Ftest%2Flayout.h;h=b4f6a960eb9639437dc6c0519b8975703c6fb8b9;hp=0000000000000000000000000000000000000000;hb=d69ef83fcc2434ddaced1831184fb761ae6f09d3;hpb=ed95d8600afe1564ffd1783ae9ea0ef6324904dc

diff --git a/ccan/ntdb/test/layout.h b/ccan/ntdb/test/layout.h
new file mode 100644
index 00000000..b4f6a960
--- /dev/null
+++ b/ccan/ntdb/test/layout.h
@@ -0,0 +1,79 @@
+#ifndef NTDB_TEST_LAYOUT_H
+#define NTDB_TEST_LAYOUT_H
+#include "private.h"
+
+struct ntdb_layout *new_ntdb_layout(void);
+void ntdb_layout_add_freetable(struct ntdb_layout *layout);
+void ntdb_layout_add_free(struct ntdb_layout *layout, ntdb_len_t len,
+			 unsigned ftable);
+void ntdb_layout_add_used(struct ntdb_layout *layout,
+			 NTDB_DATA key, NTDB_DATA data,
+			 ntdb_len_t extra);
+void ntdb_layout_add_capability(struct ntdb_layout *layout,
+			       uint64_t type,
+			       bool write_breaks,
+			       bool check_breaks,
+			       bool open_breaks,
+			       ntdb_len_t extra);
+
+#if 0 /* FIXME: Allow allocation of subtables */
+void ntdb_layout_add_hashtable(struct ntdb_layout *layout,
+			      int htable_parent, /* -1 == toplevel */
+			      unsigned int bucket,
+			      ntdb_len_t extra);
+#endif
+/* freefn is needed if we're using failtest_free. */
+struct ntdb_context *ntdb_layout_get(struct ntdb_layout *layout,
+				   void (*freefn)(void *),
+				   union ntdb_attribute *attr);
+void ntdb_layout_write(struct ntdb_layout *layout, void (*freefn)(void *),
+		       union ntdb_attribute *attr, const char *filename);
+
+void ntdb_layout_free(struct ntdb_layout *layout);
+
+enum layout_type {
+	FREETABLE, FREE, DATA, CAPABILITY
+};
+
+/* Shared by all union members. */
+struct tle_base {
+	enum layout_type type;
+	ntdb_off_t off;
+};
+
+struct tle_freetable {
+	struct tle_base base;
+};
+
+struct tle_free {
+	struct tle_base base;
+	ntdb_len_t len;
+	unsigned ftable_num;
+};
+
+struct tle_used {
+	struct tle_base base;
+	NTDB_DATA key;
+	NTDB_DATA data;
+	ntdb_len_t extra;
+};
+
+struct tle_capability {
+	struct tle_base base;
+	uint64_t type;
+	ntdb_len_t extra;
+};
+
+union ntdb_layout_elem {
+	struct tle_base base;
+	struct tle_freetable ftable;
+	struct tle_free free;
+	struct tle_used used;
+	struct tle_capability capability;
+};
+
+struct ntdb_layout {
+	unsigned int num_elems;
+	union ntdb_layout_elem *elem;
+};
+#endif /* NTDB_TEST_LAYOUT_H */