lib/utmp.c: Use STRNCPYTAIL() instead of its pattern

Signed-off-by: Alejandro Colomar <[email protected]>

Author: alejandro-colomar

lib/utmp.c

@@ -34,6 +34,7 @@
 #include "string/strcmp/streq.h"
 #include "string/strcmp/strprefix.h"
 #include "string/strcpy/strncpy.h"
+#include "string/strcpy/strncpytail.h"
 #include "string/strcpy/strtcpy.h"
 #include "string/strdup/xstrdup.h"
 #include "string/strdup/xstrndup.h"
@@ -297,7 +298,7 @@ prepare_utmp(const char *name, const char *line, const char *host,
 	    && ('\0' != ut->ut_id[0])) {
 		STRNCPY(utent->ut_id, ut->ut_id);
 	} else {
-		STRNCPY(utent->ut_id, strnul(line) - MIN(strlen(line), countof(utent->ut_id)));
+		STRNCPYTAIL(utent->ut_id, line);
 	}
 #if defined(HAVE_STRUCT_UTMPX_UT_NAME)
 	STRNCPY(utent->ut_name, name);