tdb: add "freelist_size" sub-command to tdbtool

With the new code, this has the side effect of
merging adjacent records in the freelist if the
database is not read-only.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

diff --git a/lib/tdb/tools/tdbtool.c b/lib/tdb/tools/tdbtool.c
index 2f93e338b85f2fefef8a10283dc7bf309572501f..780782b3c4592895eba5ec7297da8fae8d59f957 100644 (file)
--- a/lib/tdb/tools/tdbtool.c
+++ b/lib/tdb/tools/tdbtool.c
@@ -55,6 +55,7 @@ enum commands {
        CMD_DELETE,
        CMD_LIST_HASH_FREE,
        CMD_LIST_FREE,
+       CMD_FREELIST_SIZE,
        CMD_INFO,
        CMD_MMAP,
        CMD_SPEED,
@@ -89,6 +90,7 @@ COMMAND_TABLE cmd_table[] = {
        {"delete",      CMD_DELETE},
        {"list",        CMD_LIST_HASH_FREE},
        {"free",        CMD_LIST_FREE},
+       {"freelist_size",       CMD_FREELIST_SIZE},
        {"info",        CMD_INFO},
        {"speed",       CMD_SPEED},
        {"mmap",        CMD_MMAP},
@@ -232,6 +234,7 @@ static void help(void)
 "  delete    key        : delete a record by key\n"
 "  list                 : print the database hash table and freelist\n"
 "  free                 : print the database freelist\n"
+"  freelist_size        : print the number of records in the freelist\n"
 "  check                : check the integrity of an opened database\n"
 "  repack               : repack the database\n"
 "  speed                : perform speed tests on the database\n"
@@ -710,6 +713,18 @@ static int do_command(void)
                case CMD_LIST_FREE:
                        tdb_printfreelist(tdb);
                        return 0;
+               case CMD_FREELIST_SIZE: {
+                       int count;
+
+                       count = tdb_freelist_size(tdb);
+                       if (count < 0) {
+                               printf("Error getting freelist size.\n");
+                       } else {
+                               printf("freelist size: %d\n", count);
+                       }
+
+                       return 0;
+               }
                case CMD_INFO:
                        info_tdb();
                        return 0;