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Optimize get_build_time_string to avoid repeated formatting

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Apply same concurrency fix as get_config_hash to prevent race
conditions when multiple threads access the function.
This commit is contained in:
David Woodhouse
2025-12-11 22:54:19 +09:00
parent 58fddeb74f
commit 295b317809
1 changed files with 5 additions and 3 deletions
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esphome/core/buildinfo.cpp
+5 -3
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@@ -44,9 +44,11 @@ time_t get_build_time() { return (time_t) build_time; }
const char *get_build_time_string() {
static char time_str[32];
time_t bt = get_build_time();
struct tm *tm_info = localtime(&bt);
strftime(time_str, sizeof(time_str), "%b %d %Y, %H:%M:%S", tm_info);
if (!time_str[0]) {
time_t bt = get_build_time();
struct tm *tm_info = localtime(&bt);
strftime(time_str, sizeof(time_str), "%b %d %Y, %H:%M:%S", tm_info);
}
return time_str;
}