extern void audit_log_hex(struct audit_buffer *ab,
const unsigned char *buf,
size_t len);
-extern const char * audit_log_untrustedstring(struct audit_buffer *ab,
+extern int audit_string_contains_control(const char *string,
+ size_t len);
+extern void audit_log_untrustedstring(struct audit_buffer *ab,
const char *string);
-extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab,
+extern void audit_log_n_untrustedstring(struct audit_buffer *ab,
size_t n,
const char *string);
extern void audit_log_d_path(struct audit_buffer *ab,