libbb: introduce and use xmalloc_ttyname (-32 in bss).

ash: small code shrink

   text    data     bss     dec     hex filename
 793669     504    7524  801697   c3ba1 busybox_old
 793659     504    7492  801655   c3b77 busybox_unstripped

1 files changed, 3 insertions, 2 deletions

diff --git a/selinux/sestatus.c b/selinux/sestatus.c
index 216629615..1a02a6b0c 100644
--- a/selinux/sestatus.c
+++ b/selinux/sestatus.c
@@ -114,7 +114,8 @@ static void display_verbose(void)
         /* files contexts */
         puts("\nFile contexts:");
 
-        cterm = ttyname(0);
+        cterm = xmalloc_ttyname(0);
+//FIXME: if cterm == NULL, we segfault!??
         puts(cterm);
         if (cterm && lgetfilecon(cterm, &con) >= 0) {
                 printf(COL_FMT "%s\n", "Controlling term:", con);
@@ -122,7 +123,7 @@ static void display_verbose(void)
                         freecon(con);
         }
 
-        for (i=0; fc[i] != NULL; i++) {
+        for (i = 0; fc[i] != NULL; i++) {
                 struct stat stbuf;
 
                 if (lgetfilecon(fc[i], &con) < 0)