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This commit is contained in:
J. Nick Koston
2025-11-01 13:13:56 -05:00
parent 00abf7da72
commit e91b0bb804
1 changed files with 7 additions and 7 deletions
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14
esphome/components/web_server_idf/web_server_idf.cpp
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@@ -353,9 +353,9 @@ void AsyncWebServerResponse::addHeader(const char *name, const char *value) {
void AsyncResponseStream::print(float value) {
// Use stack buffer to avoid temporary string allocation
// Size: sign (1) + digits (10) + decimal (1) + precision (6) + exponent (5) + null (1) = 24, use 32 for safety
constexpr size_t FLOAT_BUF_SIZE = 32;
char buf[FLOAT_BUF_SIZE];
int len = snprintf(buf, FLOAT_BUF_SIZE, "%f", value);
constexpr size_t float_buf_size = 32;
char buf[float_buf_size];
int len = snprintf(buf, float_buf_size, "%f", value);
this->content_.append(buf, len);
}
@@ -605,16 +605,16 @@ bool AsyncEventSourceResponse::try_send_nodefer(const char *message, const char
// Use stack buffer for formatting numeric fields to avoid temporary string allocations
// Size: "retry: " (7) + max uint32 (10 digits) + CRLF (2) + null (1) = 20 bytes, use 32 for safety
constexpr size_t NUM_BUF_SIZE = 32;
char num_buf[NUM_BUF_SIZE];
constexpr size_t num_buf_size = 32;
char num_buf[num_buf_size];
if (reconnect) {
int len = snprintf(num_buf, NUM_BUF_SIZE, "retry: %" PRIu32 CRLF_STR, reconnect);
int len = snprintf(num_buf, num_buf_size, "retry: %" PRIu32 CRLF_STR, reconnect);
event_buffer_.append(num_buf, len);
}
if (id) {
int len = snprintf(num_buf, NUM_BUF_SIZE, "id: %" PRIu32 CRLF_STR, id);
int len = snprintf(num_buf, num_buf_size, "id: %" PRIu32 CRLF_STR, id);
event_buffer_.append(num_buf, len);
}