cgsnapshot: add the end of string character when it is necessary

add the end of string character when it is necessary

Signed-off-by: Ivana Hutarova Varekova <varekova@redhat.com>
Acked-by: Jan Safranek <jsafrane@redhat.com>

diff --git a/src/tools/cgsnapshot.c b/src/tools/cgsnapshot.c
index 51194f6749297ce09fc2a71b9363a0f7731db374..c14542987ba637938349ed94e0f5af11e94f1079 100644 (file)
--- a/src/tools/cgsnapshot.c
+++ b/src/tools/cgsnapshot.c
@@ -729,10 +729,12 @@ int main(int argc, char *argv[])
                case 'b':
                        flags |= FL_BLACK;
                        strncpy(bl_file, optarg, FILENAME_MAX);
+                       bl_file[FILENAME_MAX-1] = '\0';
                        break;
                case 'w':
                        flags |= FL_WHITE;
                        strncpy(wl_file, optarg, FILENAME_MAX);
+                       wl_file[FILENAME_MAX-1] = '\0';
                        break;
                case 't':
                        flags |= FL_STRICT;