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safer check for keystr containing a value

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marschap
2008-09-17 16:00:34 +00:00
parent 0497178706
commit 84bd6f8645
1 changed files with 3 additions and 3 deletions
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server/drivers/picolcd.c
+3 -3
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@@ -545,11 +545,11 @@ MODULE_EXPORT char *picoLCD_get_key(Driver *drvthis) {
debug(RPT_DEBUG, "picolcd: get_key complete (%s)", keystr); debug(RPT_DEBUG, "picolcd: get_key complete (%s)", keystr);
if (! strlen(keystr)) if ((keystr != NULL) && (strlen(keystr) > 0))
return NULL;
return keystr; return keystr;
return NULL;
/* /*
* Due to how key events are reported, we need to keep reading key presses * Due to how key events are reported, we need to keep reading key presses
* until we get the all clear (all keys up) event. * until we get the all clear (all keys up) event.