char* FAST_FUNC pw_encrypt(const char *clear, const char *salt, int cleanup)
{
- return xstrdup(crypt(clear, salt));
+ char *s;
+
+ s = crypt(clear, salt);
+ /*
+ * glibc used to return "" on malformed salts (for example, ""),
+ * but since 2.17 it returns NULL.
+ */
+ return xstrdup(s ? s : "");
}
#endif