add errno setting to stub utmpxname function

diff --git a/src/legacy/utmpx.c b/src/legacy/utmpx.c
index 46ca4b8b5729df1f2609995688a090dd242a8d93..e2843c94af41271e482732fa31a4f9e8d6c363d5 100644 (file)
--- a/src/legacy/utmpx.c
+++ b/src/legacy/utmpx.c
@@ -1,5 +1,6 @@
 #include <utmpx.h>
 #include <stddef.h>
+#include <errno.h>
 #include "libc.h"
 
 void endutxent(void)
@@ -36,6 +37,7 @@ void updwtmpx(const char *f, const struct utmpx *u)
 
 int __utmpxname(const char *f)
 {
+       errno = ENOTSUP;
        return -1;
 }