dovecot-2.2: lib-storage: Added assert.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/11d61991a525
changeset: 16120:11d61991a525
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Mar 26 22:41:43 2013 +0200
description:
lib-storage: Added assert.

diffstat:

 src/lib-storage/mail.c |  5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diffs (15 lines):

diff -r d7893c4460c3 -r 11d61991a525 src/lib-storage/mail.c
--- a/src/lib-storage/mail.c	Tue Mar 26 22:41:32 2013 +0200
+++ b/src/lib-storage/mail.c	Tue Mar 26 22:41:43 2013 +0200
@@ -266,7 +266,10 @@
 {
 	struct mail_private *p = (struct mail_private *)mail;
 
-	return p->v.get_special(mail, field, value_r);
+	if (p->v.get_special(mail, field, value_r) < 0)
+		return -1;
+	i_assert(*value_r != NULL);
+	return 0;
 }
 
 struct mail *mail_get_real_mail(struct mail *mail)