X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Fdentry.c;h=caa3a51b4b86fb0d98e84f103781cc0274499294;hp=ff1a21420f0c2c068d422c1b9645368e96133675;hb=564aacbad3801ec37c2455e15b9296ecaef4eb93;hpb=8fbdced08faf37472fd7174480b446c4b11578fb;ds=sidebyside

diff --git a/src/dentry.c b/src/dentry.c
index ff1a2142..caa3a51b 100644
--- a/src/dentry.c
+++ b/src/dentry.c
@@ -504,7 +504,8 @@ calculate_dentry_full_path(struct wim_dentry *dentry)
 	d = dentry;
 	do {
 		p -= d->d_name_nbytes / sizeof(utf16lechar);
-		memcpy(p, d->d_name, d->d_name_nbytes);
+		if (d->d_name_nbytes)
+			memcpy(p, d->d_name, d->d_name_nbytes);
 		*--p = cpu_to_le16(WIM_PATH_SEPARATOR);
 		d = d->d_parent;  /* assumes d == d->d_parent for root  */
 	} while (!dentry_is_root(d));