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[web_server_idf] Replace heap-allocated url() with stack-based url_to() (#13407)

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This commit is contained in:
J. Nick Koston
2026-01-27 15:02:19 -10:00
committed by GitHub
parent f084d320fc
commit f9687a2a31
6 changed files with 63 additions and 30 deletions
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23
esphome/components/web_server_idf/web_server_idf.cpp
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@@ -246,21 +246,16 @@ optional<std::string> AsyncWebServerRequest::get_header(const char *name) const
return request_get_header(*this, name);
}
std::string AsyncWebServerRequest::url() const {
auto *query_start = strchr(this->req_->uri, '?');
std::string result;
if (query_start == nullptr) {
result = this->req_->uri;
} else {
result = std::string(this->req_->uri, query_start - this->req_->uri);
}
StringRef AsyncWebServerRequest::url_to(std::span<char, URL_BUF_SIZE> buffer) const {
const char *uri = this->req_->uri;
const char *query_start = strchr(uri, '?');
size_t uri_len = query_start ? static_cast<size_t>(query_start - uri) : strlen(uri);
size_t copy_len = std::min(uri_len, URL_BUF_SIZE - 1);
memcpy(buffer.data(), uri, copy_len);
buffer[copy_len] = '\0';
// Decode URL-encoded characters in-place (e.g., %20 -> space)
// This matches AsyncWebServer behavior on Arduino
if (!result.empty()) {
size_t new_len = url_decode(&result[0]);
result.resize(new_len);
}
return result;
size_t decoded_len = url_decode(buffer.data());
return StringRef(buffer.data(), decoded_len);
}
std::string AsyncWebServerRequest::host() const { return this->get_header("Host").value(); }