X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Funix_apply.c;h=ae9b8cea55e7ea7fde64de03e5cfbcedb703a4fe;hp=f1962d9884b63752892217f3eed71b29393a777c;hb=564aacbad3801ec37c2455e15b9296ecaef4eb93;hpb=8fbdced08faf37472fd7174480b446c4b11578fb

diff --git a/src/unix_apply.c b/src/unix_apply.c
index f1962d98..ae9b8cea 100644
--- a/src/unix_apply.c
+++ b/src/unix_apply.c
@@ -156,7 +156,9 @@ unix_build_extraction_path(const struct wim_dentry *dentry,
 	d = dentry;
 	do {
 		p -= d->d_extraction_name_nchars;
-		memcpy(p, d->d_extraction_name, d->d_extraction_name_nchars);
+		if (d->d_extraction_name_nchars)
+			memcpy(p, d->d_extraction_name,
+			       d->d_extraction_name_nchars);
 		*--p = '/';
 		d = d->d_parent;
 	} while (!dentry_is_root(d) && will_extract_dentry(d));