From: Tim Kientzle <kientzle@gmail.com>
Date: Mon, 10 Nov 2008 19:03:21 +0000 (-0500)
Subject: Allow zip reader to build on platforms that lack zlib.
X-Git-Tag: v2.6.0~41
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=dfcefc1125e0b82220ddb4f281d47db7f2178036;p=thirdparty%2Flibarchive.git

Allow zip reader to build on platforms that lack zlib.
However, this breaks reading non-compressed zip entries as well.
Submitted by:	Ivailo Petrov

SVN-Revision: 252
---

diff --git a/libarchive/archive_read_support_format_zip.c b/libarchive/archive_read_support_format_zip.c
index a22eaa0a3..1d7187f43 100644
--- a/libarchive/archive_read_support_format_zip.c
+++ b/libarchive/archive_read_support_format_zip.c
@@ -36,6 +36,10 @@ __FBSDID("$FreeBSD: src/lib/libarchive/archive_read_support_format_zip.c,v 1.27
 #include <time.h>
 #ifdef HAVE_ZLIB_H
 #include <zlib.h>
+#else
+/* Hmmm... This is necessary, but means that we can't correctly extract
+ * even uncompressed entries on platforms that lack zlib. */
+#define	crc32(crc, buf, len) (unsigned long)0
 #endif
 
 #include "archive.h"