From: Michihiro NAKAJIMA <ggcueroad@gmail.com>
Date: Sun, 3 Aug 2014 04:19:18 +0000 (+0900)
Subject: Fix issue363:Unable to extract large 7z files.
X-Git-Tag: v3.1.900a~255
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dabd6eb78d1553a87bccc361f691fbc48e22e905;p=thirdparty%2Flibarchive.git

Fix issue363:Unable to extract large 7z files.
Properly changing a variable type up to uint64_t.
---

diff --git a/libarchive/archive_read_support_format_7zip.c b/libarchive/archive_read_support_format_7zip.c
index c69d873f9..2a4b83da8 100644
--- a/libarchive/archive_read_support_format_7zip.c
+++ b/libarchive/archive_read_support_format_7zip.c
@@ -1663,7 +1663,7 @@ parse_7zip_uint64(struct archive_read *a, uint64_t *val)
 			mask >>= 1;
 			continue;
 		}
-		*val += (avail & (mask -1)) << (8 * i);
+		*val += ((uint64_t)(avail & (mask -1))) << (8 * i);
 		break;
 	}
 	return (0);