diff options
| -rw-r--r-- | tools/xsetwacom.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/xsetwacom.c b/tools/xsetwacom.c index e9d455b..96636e2 100644 --- a/tools/xsetwacom.c +++ b/tools/xsetwacom.c @@ -1510,7 +1510,7 @@ static void map_actions(Display *dpy, XDevice *dev, param_t* param, int argc, ch if (strcmp(param->prop_name, WACOM_PROP_BUTTON_ACTIONS) == 0) { - if (sscanf(argv[0], "%d", &offset) != 1) + if (sscanf(argv[0], "%d", &offset) != 1 || offset <= 0) { fprintf(stderr, "'%s' is not a valid button number.\n", argv[0]); return; @@ -2101,7 +2101,7 @@ static void get_map(Display *dpy, XDevice *dev, param_t *param, int argc, char** if (strcmp(param->prop_name, WACOM_PROP_BUTTON_ACTIONS) == 0) { - if (sscanf(argv[0], "%d", &offset) != 1) + if (sscanf(argv[0], "%d", &offset) != 1 || offset <= 0) { fprintf(stderr, "'%s' is not a valid button number.\n", argv[0]); return; |