Commit 5559e7f6 authored by volker's avatar volker

stabilize text widget when no string is available; info message when serdisplib cannot open port

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1192 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
parent 71df5452
......@@ -164,6 +164,7 @@ static int drv_SD_start(const char *section)
sdcd = SDCONN_open(port);
if (sdcd == NULL) {
error("%s: open(%s) failed: %s", Name, port, sd_geterrormsg());
info("%s: examples:\n serraw:/dev/ttyS0\n par:/dev/parport0\n USB:<vendor>/<product>", Name);
return -1;
}
......
#define SVN_VERSION "1158"
#define SVN_VERSION "1192"
......@@ -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);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment