Improve opool API

* configure.ac: Version 2.99.993
* NEWS: Update.

* include/mailutils/opool.h (MU_OPOOL_DEFAULT)
(MU_OPOOL_ENOMEMABRT): New defines.
(mu_opool_create): Change meaning of the 2nd argument. All uses updated.
(mu_opool_free, mu_opool_dup): New proto.
* libmailutils/base/opool.c (_mu_opool) <memerr>: Replace with flags.
<head,tail,free>: Rename.
(mu_opool_free, mu_opool_dup): New functions.
(mu_opool_head): Bugfix.

1 files changed, 1 insertions, 1 deletions

diff --git a/mu/dbm.c b/mu/dbm.c
index 531a3cf54..0722456ea 100644
--- a/mu/dbm.c
+++ b/mu/dbm.c
@@ -610,7 +610,7 @@ newfmt_init (struct xfer_format *fmt, const char *version,
   else
     {
       mu_opool_t pool;
-      rc = mu_opool_create (&pool, 0);
+      rc = mu_opool_create (&pool, MU_OPOOL_DEFAULT);
       if (rc)
 	{
 	  mu_diag_funcall (MU_DIAG_ERROR, "mu_opool_create",