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J. Nick Koston
2026-01-30 03:26:03 -06:00
parent 5f7582ffdb
commit 849df4b2a8
1 changed files with 5 additions and 2 deletions
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esphome/components/time/posix_tz.cpp
+5 -2
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@@ -455,9 +455,11 @@ bool epoch_to_local_tm(time_t utc_epoch, const ParsedTimezone &tz, struct tm *ou
} // namespace esphome::time
// Override libc's localtime functions to use our timezone
#ifndef USE_HOST
// Override libc's localtime functions to use our timezone on embedded platforms.
// This allows user lambdas calling ::localtime() to get correct local time
// without needing the TZ environment variable (which pulls in scanf bloat)
// without needing the TZ environment variable (which pulls in scanf bloat).
// On host, we use the normal TZ mechanism since there's no memory constraint.
// Thread-safe version
extern "C" struct tm *localtime_r(const time_t *timer, struct tm *result) {
@@ -474,5 +476,6 @@ extern "C" struct tm *localtime(const time_t *timer) {
static struct tm localtime_buf;
return localtime_r(timer, &localtime_buf);
}
#endif // !USE_HOST
#endif // USE_TIME_TIMEZONE