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[am43][lightwaverf][rf_bridge][spi_led_strip] Replace sprintf with safe alternatives

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This commit is contained in:
J. Nick Koston
2026-01-16 14:00:30 -10:00
parent 60d48d6a58
commit 0d329f4f4d
1 changed files with 6 additions and 7 deletions
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esphome/components/spi_led_strip/spi_led_strip.cpp
+6 -7
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@@ -48,15 +48,14 @@ void SpiLedStrip::dump_config() {
void SpiLedStrip::write_state(light::LightState *state) {
if (this->is_failed())
return;
if (ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE) {
char strbuf[49]; // max 16 bytes * 3 chars each + null
size_t len = std::min(this->buffer_size_, (size_t) (sizeof(strbuf) - 1) / 3);
size_t pos = 0;
for (size_t i = 0; i != len; i++) {
pos = buf_append_printf(strbuf, sizeof(strbuf), pos, "%02X ", this->buf_[i]);
}
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
{
char strbuf[49]; // format_hex_pretty_size(16) = 48, fits 16 bytes
size_t len = std::min(this->buffer_size_, (size_t) 16);
format_hex_pretty_to(strbuf, sizeof(strbuf), this->buf_, len, ' ');
esph_log_v(TAG, "write_state: buf = %s", strbuf);
}
#endif
this->enable();
this->write_array(this->buf_, this->buffer_size_);
this->disable();