rfelker writes in Bug 742: make sure string is null terminated after calling gethostname

1 files changed, 2 insertions, 1 deletions

diff --git a/libbb/login.c b/libbb/login.c
index 3f67a819a..2d6162564 100644
--- a/libbb/login.c
+++ b/libbb/login.c
@@ -96,6 +96,7 @@ void print_login_issue(const char *issue_file, const char *tty)
 
                                         case 'h':
                                                 gethostname(buf, sizeof(buf) - 1);
+                                                buf[sizeof(buf) - 1] = '\0';
                                                 break;
 
                                         case 'l':
@@ -105,7 +106,7 @@ void print_login_issue(const char *issue_file, const char *tty)
                                         default:
                                                 buf[0] = c;
                                 }
-                }
+                        }
                         fputs(outbuf, stdout);
                 }