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fix #18817 http response for status with retain (#18819)

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* fix http response for status with retain

* take 2

* add a failsafe when JSONlen reach zero
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Barbudor 2023-06-09 09:59:24 +02:00 committed by GitHub
parent fc92dc0995
commit 6aed929e17
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1 changed files with 2 additions and 1 deletions
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3
tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino
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@ -3064,7 +3064,8 @@ void HandleHttpCommand(void)
if (JSON) { // Is it a JSON message (and not only [15:26:08 MQT: stat/wemos5/POWER = O])
if (cflg) { WSContentSend_P(PSTR(",")); }
uint32_t JSONlen = len - (JSON - line) -3;
WSContentSend(JSON +1, JSONlen);
for( ++JSON ; JSONlen && JSON[JSONlen] != '}' ; JSONlen-- );
WSContentSend(JSON, JSONlen);
cflg = true;
}
}