top,ps: 'stringify' tty only when needed. -60 bytes.

1 files changed, 4 insertions, 1 deletions

diff --git a/procps/ps.c b/procps/ps.c
index c3023cf5e..fd53eca5b 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -68,7 +68,10 @@ static void func_rss(char *buf, int size, const procps_status_t *ps)
 
 static void func_tty(char *buf, int size, const procps_status_t *ps)
 {
-        safe_strncpy(buf, ps->tty_str, size+1);
+        buf[0] = '?';
+        buf[1] = '\0';
+        if (ps->tty_major) /* tty field of "0" means "no tty" */
+                snprintf(buf, size+1, "%u,%u", ps->tty_major, ps->tty_minor);
 }
 
 #if ENABLE_SELINUX