From: Brian Harring <ferringb@gmail.com>
Date: Mon, 27 Sep 2010 15:37:49 +0000 (-0400)
Subject: intercept dumb requests, and return immediately
X-Git-Tag: v3.0.0a~874
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3bf81a96792ae6b2cd3adecb9936ed16d5408b36;p=thirdparty%2Flibarchive.git

intercept dumb requests, and return immediately

SVN-Revision: 2739
---

diff --git a/libarchive/archive_read.c b/libarchive/archive_read.c
index aa481b84b..6404a2274 100644
--- a/libarchive/archive_read.c
+++ b/libarchive/archive_read.c
@@ -1211,6 +1211,9 @@ int64_t
 __archive_read_filter_consume(struct archive_read_filter * filter,
     int64_t request)
 {
+	if (request == 0)
+		return 0;
+
 	int64_t skipped = advance_file_pointer(filter, request);
 	if (skipped == request)
 		return (skipped);