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-rw-r--r--pwd/getpw.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/pwd/getpw.c b/pwd/getpw.c
index e291769..5973ef0 100644
--- a/pwd/getpw.c
+++ b/pwd/getpw.c
@@ -50,6 +50,9 @@ __getpw (uid, buf)
if (__getpwuid_r (uid, &resbuf, tmpbuf, buflen, &p) != 0)
return -1;
+ if (p == NULL)
+ return -1;
+
if (sprintf (buf, "%s:%s:%lu:%lu:%s:%s:%s", p->pw_name, p->pw_passwd,
(unsigned long int) p->pw_uid, (unsigned long int) p->pw_gid,
p->pw_gecos, p->pw_dir, p->pw_shell) < 0)