From: Tim Kientzle <kientzle@gmail.com>
Date: Sun, 11 Apr 2010 21:16:38 +0000 (-0400)
Subject: Don't bother trying to write data into a zero-sized file.
X-Git-Tag: v3.0.0a~1116
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5ceaed244db4eaba20a456e23bc78fa10ba2e2d;p=thirdparty%2Flibarchive.git

Don't bother trying to write data into a zero-sized file.

SVN-Revision: 2232
---

diff --git a/libarchive/archive_read_extract.c b/libarchive/archive_read_extract.c
index e45729934..211de0208 100644
--- a/libarchive/archive_read_extract.c
+++ b/libarchive/archive_read_extract.c
@@ -40,6 +40,7 @@ __FBSDID("$FreeBSD: src/lib/libarchive/archive_read_extract.c,v 1.61 2008/05/26
 #endif
 
 #include "archive.h"
+#include "archive_entry.h"
 #include "archive_private.h"
 #include "archive_read_private.h"
 #include "archive_write_disk_private.h"
@@ -107,7 +108,7 @@ archive_read_extract2(struct archive *_a, struct archive_entry *entry,
 	if (r != ARCHIVE_OK)
 		/* If _write_header failed, copy the error. */
  		archive_copy_error(&a->archive, ad);
-	else
+	else if (archive_entry_size(entry) > 0)
 		/* Otherwise, pour data into the entry. */
 		r = copy_data(_a, ad);
 	r2 = archive_write_finish_entry(ad);