From: Glenn L McGrath <bug1@ihug.co.nz>
Date: Mon, 21 Apr 2003 11:03:29 +0000 (-0000)
Subject: unlink a previous file before its extracted
X-Git-Tag: 1_00_pre1~109
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=afc01cd48544d4e0e7575a8518e575dd499e297c;p=oweals%2Fbusybox.git

unlink a previous file before its extracted
---

diff --git a/archival/libunarchive/data_extract_all.c b/archival/libunarchive/data_extract_all.c
index 77b4de593..bd264dd74 100644
--- a/archival/libunarchive/data_extract_all.c
+++ b/archival/libunarchive/data_extract_all.c
@@ -53,7 +53,8 @@ extern void data_extract_all(archive_handle_t *archive_handle)
 #endif
 			{
 				/* Regular file */
-				dst_fd = bb_xopen(file_header->name, O_WRONLY | O_CREAT);
+				unlink(file_header->name);
+				dst_fd = bb_xopen(file_header->name, O_WRONLY | O_CREAT | O_EXCL);
 				archive_copy_file(archive_handle, dst_fd);
 				close(dst_fd);
 			}