tdb2: remove tailer

[ccan] / ccan / tdb2 / test / layout.c

diff --git a/ccan/tdb2/test/layout.c b/ccan/tdb2/test/layout.c
index 04111b4a697dd2d7bdbe43701e91cd21a6760caa..02afdd2362918e4072750bb338b5ca45ee250f9f 100644 (file)
--- a/ccan/tdb2/test/layout.c
+++ b/ccan/tdb2/test/layout.c
@@ -245,16 +245,7 @@ struct tdb_context *tdb_layout_get(struct tdb_layout *layout)
                zone_left -= len;
        }
 
-       /* Fill final zone with free record. */
-       if (zone_left != 0) {
-               tdb_layout_add_free(layout,
-                                   zone_left
-                                   - sizeof(struct tdb_used_record));
-               layout->elem[layout->num_elems-1].base.off = off;
-               off += zone_left;
-       }
-
-       mem = malloc(off+1);
+       mem = malloc(off);
        /* Now populate our header, cribbing from a real TDB header. */
        tdb = tdb_open(NULL, TDB_INTERNAL, O_RDWR, 0, &tap_log_attr);
        memcpy(mem, tdb->map_ptr, sizeof(struct tdb_header));
@@ -262,7 +253,7 @@ struct tdb_context *tdb_layout_get(struct tdb_layout *layout)
        /* Mug the tdb we have to make it use this. */
        free(tdb->map_ptr);
        tdb->map_ptr = mem;
-       tdb->map_size = off+1;
+       tdb->map_size = off;
 
        for (i = 0; i < layout->num_elems; i++) {
                union tdb_layout_elem *e = &layout->elem[i];
@@ -304,9 +295,6 @@ struct tdb_context *tdb_layout_get(struct tdb_layout *layout)
                }
        }
 
-       /* Write tailer. */
-       ((uint8_t *)tdb->map_ptr)[tdb->map_size-1] = last_zone->zone_bits;
-
        /* Get physical if they asked for it. */
        if (layout->filename) {
                int fd = open(layout->filename, O_WRONLY|O_TRUNC|O_CREAT,
@@ -321,5 +309,6 @@ struct tdb_context *tdb_layout_get(struct tdb_layout *layout)
                tdb = tdb_open(layout->filename, TDB_NOMMAP, O_RDWR, 0,
                               &tap_log_attr);
        }
+
        return tdb;
 }