[balsa] * libbalsa/mailbox_imap.c: do not create empty address lists.

[Pawel Salek <pawels src gnome org>]

commit 82e7d87b64e1d47cfb32b0005cfd9db09e2fe284
Author: Pawel Salek <pawsa theochem kth se>
Date:   Thu Jun 11 21:00:32 2009 +0200

    * libbalsa/mailbox_imap.c: do not create empty address lists.
      This makes the message compose code believe that reply-to is set.

 ChangeLog               |    5 +++++
 libbalsa/mailbox_imap.c |   10 ++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 90bb62b..294f7dc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2006-06-11  Pawel Salek
+
+	* libbalsa/mailbox_imap.c: do not create empty address lists.
+	This make message compose code believe that reply-to is set.
+
 2009-06-07  Peter Bloomfield
 
 	Build with threads disabled
diff --git a/libbalsa/mailbox_imap.c b/libbalsa/mailbox_imap.c
index 972cae3..579f655 100644
--- a/libbalsa/mailbox_imap.c
+++ b/libbalsa/mailbox_imap.c
@@ -549,6 +549,9 @@ mi_reconnect(ImapMboxHandle *h)
     else if(rc==IMR_SEVERED)                             \
     libbalsa_information(LIBBALSA_INFORMATION_WARNING, \
     _("IMAP connection has been severed. Reconnecting...")); \
+    else if(rc==IMR_PROTOCOL)                               \
+    libbalsa_information(LIBBALSA_INFORMATION_WARNING, \
+    _("IMAP protocol error. Try enabling bug workarounds.")); \
     else if(rc==IMR_BYE) {char *msg = imap_mbox_handle_get_last_msg(h); \
     libbalsa_information(LIBBALSA_INFORMATION_WARNING, \
     _("IMAP server has shut the connection: %s Reconnecting..."), msg); \
@@ -1854,9 +1857,12 @@ static InternetAddressList *
 internet_address_new_list_from_imap_address_list(ImapAddress *list)
 {
     InternetAddress *addr;
-    InternetAddressList *res = internet_address_list_new();
+    InternetAddressList *res;
+
+    if (!list)
+        return NULL;
 
-    for (; list; list = list->next) {
+    for (res = internet_address_list_new(); list; list = list->next) {
        addr = internet_address_new_from_imap_address(&list);
        if (addr) {
            internet_address_list_add(res, addr);