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-rw-r--r--lib/tdb/common/open.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/lib/tdb/common/open.c b/lib/tdb/common/open.c
index f13df2c0d5..ce8e9f55ad 100644
--- a/lib/tdb/common/open.c
+++ b/lib/tdb/common/open.c
@@ -197,6 +197,32 @@ _PUBLIC_ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int td
tdb->log.log_private = NULL;
}
+ if (name == NULL && (tdb_flags & TDB_INTERNAL)) {
+ name = "__TDB_INTERNAL__";
+ }
+
+ if (name == NULL) {
+ tdb->name = "__NULL__";
+ TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_open_ex: called with name == NULL\n"));
+ tdb->name = NULL;
+ errno = EINVAL;
+ goto fail;
+ }
+
+ /* now make a copy of the name, as the caller memory might went away */
+ if (!(tdb->name = (char *)strdup(name))) {
+ /*
+ * set the name as the given string, so that tdb_name() will
+ * work in case of an error.
+ */
+ tdb->name = name;
+ TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: can't strdup(%s)\n",
+ name));
+ tdb->name = NULL;
+ errno = ENOMEM;
+ goto fail;
+ }
+
if (hash_fn) {
tdb->hash_fn = hash_fn;
hash_alg = "the user defined";
@@ -359,11 +385,6 @@ _PUBLIC_ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int td
goto fail;
}
- if (!(tdb->name = (char *)strdup(name))) {
- errno = ENOMEM;
- goto fail;
- }
-
tdb->map_size = st.st_size;
tdb->device = st.st_dev;
tdb->inode = st.st_ino;
@@ -436,11 +457,11 @@ _PUBLIC_ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int td
else
tdb_munmap(tdb);
}
- SAFE_FREE(tdb->name);
if (tdb->fd != -1)
if (close(tdb->fd) != 0)
TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_open_ex: failed to close tdb->fd on error!\n"));
SAFE_FREE(tdb->lockrecs);
+ SAFE_FREE(tdb->name);
SAFE_FREE(tdb);
errno = save_errno;
return NULL;