---
tar.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tar.c b/tar.c
index 4f4abff..c18d89e 100644
--- a/tar.c
+++ b/tar.c
@@ -177,8 +177,8 @@ archive(const char* path)
putoctal(h->mtime, (unsigned)st.st_mtime, sizeof h->mtime);
memcpy(h->magic, "ustar", sizeof h->magic);
memcpy(h->version, "00", sizeof h->version);
- snprintf(h->uname, sizeof h->uname, "%s", pw->pw_name);
- snprintf(h->gname, sizeof h->gname, "%s", gr->gr_name);
+ snprintf(h->uname, sizeof h->uname, "%s", pw ? pw->pw_name : "");
+ snprintf(h->gname, sizeof h->gname, "%s", gr ? gr->gr_name : "");
mode = st.st_mode;
if(S_ISREG(mode)) {
--
2.1.3.1.g339ec9c
