dovecot-2.2: lib-storage: Don't assert-crash when fetching BINAR...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/aa8f2e0fcb21
changeset: 15422:aa8f2e0fcb21
user:      Timo Sirainen <tss at iki.fi>
date:      Wed Nov 28 01:52:32 2012 +0200
description:
lib-storage: Don't assert-crash when fetching BINARY contents for empty body.

diffstat:

 src/lib-storage/index/index-mail-binary.c |  5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diffs (15 lines):

diff -r aade5fa372a6 -r aa8f2e0fcb21 src/lib-storage/index/index-mail-binary.c
--- a/src/lib-storage/index/index-mail-binary.c	Wed Nov 28 01:44:53 2012 +0200
+++ b/src/lib-storage/index/index-mail-binary.c	Wed Nov 28 01:52:32 2012 +0200
@@ -162,6 +162,11 @@
 		ctx->copy_start_offset = part_end_offset;
 		return 0;
 	}
+	if (part->body_size.physical_size == 0) {
+		/* no body */
+		ctx->copy_start_offset = part_end_offset;
+		return 0;
+	}
 
 	/* single part - write decoded data */
 	block = array_append_space(&ctx->blocks);