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Update esphome/components/web_server_idf/web_server_idf.cpp

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Co-authored-by: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2025-11-01 22:41:18 -05:00
committed by GitHub
parent e91b0bb804
commit 48a6d4c3f0
1 changed files with 2 additions and 3 deletions
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esphome/components/web_server_idf/web_server_idf.cpp
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@@ -353,9 +353,8 @@ void AsyncWebServerResponse::addHeader(const char *name, const char *value) {
void AsyncResponseStream::print(float value) { void AsyncResponseStream::print(float value) {
// Use stack buffer to avoid temporary string allocation // 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 // 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[32];
char buf[float_buf_size]; int len = snprintf(buf, sizeof(buf), "%f", value);
int len = snprintf(buf, float_buf_size, "%f", value);
this->content_.append(buf, len); this->content_.append(buf, len);
} }