diff options
| -rw-r--r-- | gnu/lib/libdialog/menubox.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gnu/lib/libdialog/menubox.c b/gnu/lib/libdialog/menubox.c index 5703965..a01acd5 100644 --- a/gnu/lib/libdialog/menubox.c +++ b/gnu/lib/libdialog/menubox.c @@ -25,6 +25,7 @@ __FBSDID("$FreeBSD$"); #include <dialog.h> #include "dialog.priv.h" +#include <err.h> #include <ncurses.h> static void print_item(WINDOW *win, unsigned char *tag, unsigned char *item, int choice, int selected, dialogMenuItem *me, int menu_width, int tag_x, int item_x); @@ -442,6 +443,9 @@ static void print_item(WINDOW *win, unsigned char *tag, unsigned char *item, int choice, int selected, dialogMenuItem *me, int menu_width, int tag_x, int item_x) { int i; + + if (tag == NULL) + errx(1, "bad parameter to print_item()\n"); /* Clear 'residue' of last item */ wattrset(win, menubox_attr); |
