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[api] Use MAX_STATE_LEN constant for Home Assistant state buffer (#13278)

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This commit is contained in:
J. Nick Koston
2026-01-18 23:57:27 -10:00
committed by GitHub
parent f8bd4ef57d
commit 892e9b006f
1 changed files with 1 additions and 1 deletions
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esphome/components/api/api_connection.cpp
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@@ -1715,7 +1715,7 @@ void APIConnection::on_home_assistant_state_response(const HomeAssistantStateRes
// HA state max length is 255 characters, but attributes can be much longer
// Use stack buffer for common case (states), heap fallback for large attributes
size_t state_len = msg.state.size();
SmallBufferWithHeapFallback<256> state_buf_alloc(state_len + 1);
SmallBufferWithHeapFallback<MAX_STATE_LEN + 1> state_buf_alloc(state_len + 1);
char *state_buf = reinterpret_cast<char *>(state_buf_alloc.get());
if (state_len > 0) {
memcpy(state_buf, msg.state.c_str(), state_len);