From: Tim Kientzle <kientzle@gmail.com>
Date: Wed, 10 Aug 2016 01:35:38 +0000 (-0400)
Subject: Correct the usage of PATH_MAX as reported in Issue #744.
X-Git-Tag: v3.2.2~36
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dc1882e4ab48c3b1c11a596e9f577c43a5592dfb;p=thirdparty%2Flibarchive.git

Correct the usage of PATH_MAX as reported in Issue #744.
---

diff --git a/libarchive/archive_write_disk_posix.c b/libarchive/archive_write_disk_posix.c
index 67aacf15a..39ee3b67a 100644
--- a/libarchive/archive_write_disk_posix.c
+++ b/libarchive/archive_write_disk_posix.c
@@ -1796,7 +1796,7 @@ edit_deep_directories(struct archive_write_disk *a)
 	char *tail = a->name;
 
 	/* If path is short, avoid the open() below. */
-	if (strlen(tail) <= PATH_MAX)
+	if (strlen(tail) < PATH_MAX)
 		return;
 
 	/* Try to record our starting dir. */
@@ -1806,7 +1806,7 @@ edit_deep_directories(struct archive_write_disk *a)
 		return;
 
 	/* As long as the path is too long... */
-	while (strlen(tail) > PATH_MAX) {
+	while (strlen(tail) >= PATH_MAX) {
 		/* Locate a dir prefix shorter than PATH_MAX. */
 		tail += PATH_MAX - 8;
 		while (tail > a->name && *tail != '/')