sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2026-02-08 00:31:58 +00:00
Code Issues Releases Wiki Activity

[mapping] Use stack buffers for numeric key error logging (#13299)

Browse Source
This commit is contained in:
J. Nick Koston
2026-01-19 17:42:08 -10:00
committed by GitHub
parent 6cf320fd60
commit c213de4861
1 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
esphome/components/mapping/mapping.h
View File

@@ -2,6 +2,7 @@
#include "esphome/core/helpers.h"
#include "esphome/core/log.h"
#include <cinttypes>
#include <map>
#include <string>
@@ -43,8 +44,17 @@ template<typename K, typename V> class Mapping {
esph_log_e(TAG, "Key '%p' not found in mapping", key);
} else if constexpr (std::is_same_v<K, std::string>) {
esph_log_e(TAG, "Key '%s' not found in mapping", key.c_str());
} else if constexpr (std::is_integral_v<K>) {
char buf[24]; // enough for 64-bit integer
if constexpr (std::is_unsigned_v<K>) {
buf_append_printf(buf, sizeof(buf), 0, "%" PRIu64, static_cast<uint64_t>(key));
} else {
buf_append_printf(buf, sizeof(buf), 0, "%" PRId64, static_cast<int64_t>(key));
}
esph_log_e(TAG, "Key '%s' not found in mapping", buf);
} else {
esph_log_e(TAG, "Key '%s' not found in mapping", to_string(key).c_str());
// All supported key types are handled above - this should never be reached
static_assert(sizeof(K) == 0, "Unsupported key type for Mapping error logging");
}
return {};
}