From: Glenn L McGrath <bug1@ihug.co.nz>
Date: Sun, 6 Oct 2002 23:25:23 +0000 (-0000)
Subject: Fix segfault when testing if reaidng from stdin "-"
X-Git-Tag: 0_60_5~39
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2983330512e0f1a09ef881034a5e1c02d3fe2c7b;p=oweals%2Fbusybox.git

Fix segfault when testing if reaidng from stdin "-"
---

diff --git a/archival/tar.c b/archival/tar.c
index 88a815de6..e6c134e3b 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -694,7 +694,9 @@ int tar_main(int argc, char **argv)
 		}
 	}
 
-	if (*argv[optind] == '-') {
+	/* Check if we are reading from stdin */
+	if ((argv[optind]) && (*argv[optind] == '-')) {
+		/* Default is to read from stdin, so just skip to next arg */
 		optind++;
 	}