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avoid printing nullptr string (#7144)

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david gauchard
2020-03-14 15:34:04 +01:00
committed by GitHub
parent 845241b72c
commit afb9921d38
1 changed files with 1 additions and 1 deletions
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libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino
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@ -134,7 +134,7 @@ void showTime() {
Serial.println((uint32_t)now);
// timezone and demo in the future
Serial.printf("timezone: %s\n", getenv("TZ"));
Serial.printf("timezone: %s\n", getenv("TZ") ? : "(none)");
// human readable
Serial.print("ctime: ");