From ed87594e5fd3251f9cb3beaca06c8eee1dcd4ed2 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Mon, 13 Jul 2009 17:03:52 +0200 Subject: Add tdb_data_cmp --- source3/include/util_tdb.h | 2 ++ source3/lib/util_tdb.c | 19 +++++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/source3/include/util_tdb.h b/source3/include/util_tdb.h index c79436434f..80b95921d7 100644 --- a/source3/include/util_tdb.h +++ b/source3/include/util_tdb.h @@ -59,4 +59,6 @@ struct tdb_wrap *tdb_wrap_open(TALLOC_CTX *mem_ctx, NTSTATUS map_nt_error_from_tdb(enum TDB_ERROR err); +int tdb_data_cmp(TDB_DATA t1, TDB_DATA t2); + #endif /* __TDBUTIL_H__ */ diff --git a/source3/lib/util_tdb.c b/source3/lib/util_tdb.c index 78fa7cd0a1..5b3d94dabe 100644 --- a/source3/lib/util_tdb.c +++ b/source3/lib/util_tdb.c @@ -630,3 +630,22 @@ NTSTATUS map_nt_error_from_tdb(enum TDB_ERROR err) return NT_STATUS_INTERNAL_ERROR; } + +int tdb_data_cmp(TDB_DATA t1, TDB_DATA t2) +{ + int ret; + if (t1.dptr == NULL && t2.dptr != NULL) { + return -1; + } + if (t1.dptr != NULL && t2.dptr == NULL) { + return 1; + } + if (t1.dptr == t2.dptr) { + return t1.dsize - t2.dsize; + } + ret = memcmp(t1.dptr, t2.dptr, MIN(t1.dsize, t2.dsize)); + if (ret == 0) { + return t1.dsize - t2.dsize; + } + return ret; +} -- cgit