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Eliminate API component guard variable to save 8 bytes RAM (#9341)

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This commit is contained in:
J. Nick Koston
2025-07-05 23:34:55 -05:00
committed by GitHub
parent 20ba035e3b
commit 0bc18a8281
2 changed files with 18 additions and 2 deletions
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8
esphome/components/api/api_server.cpp
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@@ -24,6 +24,14 @@ static const char *const TAG = "api";
// APIServer
APIServer *global_api_server = nullptr; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
#ifndef USE_API_YAML_SERVICES
// Global empty vector to avoid guard variables (saves 8 bytes)
// This is initialized at program startup before any threads
static const std::vector<UserServiceDescriptor *> empty_user_services{};
const std::vector<UserServiceDescriptor *> &get_empty_user_services_instance() { return empty_user_services; }
#endif
APIServer::APIServer() {
global_api_server = this;
// Pre-allocate shared write buffer