From: Paul Fox <pgf@brightstareng.com>
Date: Wed, 20 Jul 2005 19:24:13 +0000 (-0000)
Subject: applying fix for:
X-Git-Tag: 1_1_0~889
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=94ff9f1010e8594c4918d270f1a0bfa73df7ae79;p=oweals%2Fbusybox.git

applying fix for:
     0000262: tar -x doesn't believe it has reached the end of archive
---

diff --git a/archival/libunarchive/get_header_tar.c b/archival/libunarchive/get_header_tar.c
index 1ad9ac5e5..513909d5f 100644
--- a/archival/libunarchive/get_header_tar.c
+++ b/archival/libunarchive/get_header_tar.c
@@ -62,6 +62,7 @@ extern char get_header_tar(archive_handle_t *archive_handle)
 	} tar;
 	long sum = 0;
 	long i;
+	static int end = 0;
 
 	/* Align header */
 	data_align(archive_handle, 512);
@@ -74,8 +75,17 @@ extern char get_header_tar(archive_handle_t *archive_handle)
 
 	/* If there is no filename its an empty header */
 	if (tar.formated.name[0] == 0) {
+		if (end) {
+			/* This is the second consecutive empty header! End of archive!
+			 * Read until the end to empty the pipe from gz or bz2
+			 */
+			while (bb_full_read(archive_handle->src_fd, tar.raw, 512) == 512);
+			return(EXIT_FAILURE);
+		}
+		end = 1;
 		return(EXIT_SUCCESS);
 	}
+	end = 0;
 
 	/* Check header has valid magic, "ustar" is for the proper tar
 	 * 0's are for the old tar format