git: 9front

Info  •  Files  •  Log  •  Branches

tar: fix off by one with exactly 100-char dirs

--- a/sys/src/cmd/tar.c

+++ b/sys/src/cmd/tar.c

@@ -1073,7 +1073,8 @@

 		sysfatal("can't fstat %s: %r", file);

 	hpath = file;

-	if(strlen(file) > Namsiz){

+	/* reserve 1 byte for the '/' if we have dir */

+	if(strlen(file)+1 > Namsiz){

 		if(mkpaxhdr(ar, dir, file) < 0)

 			goto Badhdr;

 		hpath = "PAXED";

-- 

⑨