3djc/rssi poweroff safety (#5126)

Shutdown RSSI Alert
2017-08-01 14:13:25 +02:00
parent a7524ba74d
commit 7434e330c8
35 changed files with 1033 additions and 893 deletions
@@ -243,7 +243,7 @@ void lcdDrawChar(coord_t x, coord_t y, const unsigned char c)
 uint8_t getTextWidth(const char * s, uint8_t len, LcdFlags flags)
 {
  uint8_t width = 0;
-  while (len--) {
+  for (int i=0; len==0 || i<len; ++i) {
    unsigned char c = (flags & ZCHAR) ? idx2char(*s) : *s;
    if (!c) {
      break;