dovecot-2.2: lib: test-buffer was randomly crashing with SIGFPE

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/a9503b723f8c
changeset: 17973:a9503b723f8c
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Oct 21 02:48:20 2014 +0300
description:
lib: test-buffer was randomly crashing with SIGFPE

diffstat:

 src/lib/test-buffer.c |  2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diffs (12 lines):

diff -r 3a1d89b45c12 -r a9503b723f8c src/lib/test-buffer.c
--- a/src/lib/test-buffer.c	Mon Oct 20 08:54:27 2014 -0700
+++ b/src/lib/test-buffer.c	Tue Oct 21 02:48:20 2014 +0300
@@ -97,7 +97,7 @@
 			}
 			break;
 		case 4:
-			if (shadowbuf_size == 0)
+			if (shadowbuf_size <= 1)
 				break;
 			pos = rand() % (shadowbuf_size-1); /* dest */
 			pos2 = rand() % (shadowbuf_size-1); /* source */