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-rw-r--r--widget_text.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/widget_text.c b/widget_text.c
index 7c1ee7a..ee178e6 100644
--- a/widget_text.c
+++ b/widget_text.c
@@ -58,6 +58,10 @@
void widget_text_scroll(void *Self)
{
WIDGET *W = (WIDGET *) Self;
+ if (NULL == W || NULL == W->data) {
+ error("Warning: internal data error in Textwidget");
+ return;
+ }
WIDGET_TEXT *T = W->data;
char *prefix = P2S(&T->prefix);
@@ -68,6 +72,10 @@ void widget_text_scroll(void *Self)
int num, len, width, pad;
char *src, *dst;
+ if (NULL == string) {
+ error("Warning: Widget %s has no string", W->name);
+ return;
+ }
num = 0;
len = strlen(string);
width = T->width - strlen(prefix) - strlen(postfix);