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Derive exception cause range bounds from table sizes

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This commit is contained in:
J. Nick Koston
2026-04-05 12:08:05 -10:00
parent c1c45cfd23
commit a328726bfd
1 changed files with 5 additions and 3 deletions
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esphome/components/esp8266/crash_handler.cpp
+5 -3
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@@ -163,11 +163,13 @@ PROGMEM_STRING_TABLE(ExcCauseHigh, // Causes 12-29 (offset by 12)
);
// clang-format on
static constexpr uint32_t EXC_CAUSE_HIGH_BASE = 12; // First cause code in ExcCauseHigh table
static const LogString *get_exception_cause(uint32_t cause) {
if (cause <= 9)
if (cause < ExcCauseLow::COUNT)
return ExcCauseLow::get_log_str(cause, ExcCauseLow::LAST_INDEX);
if (cause >= 12 && cause <= 29) {
const LogString *str = ExcCauseHigh::get_log_str(cause - 12, ExcCauseHigh::LAST_INDEX);
if (cause >= EXC_CAUSE_HIGH_BASE && cause < EXC_CAUSE_HIGH_BASE + ExcCauseHigh::COUNT) {
const LogString *str = ExcCauseHigh::get_log_str(cause - EXC_CAUSE_HIGH_BASE, ExcCauseHigh::LAST_INDEX);
// Empty strings are gap entries — return nullptr so caller knows cause is unknown
if (LOG_STR_ARG(str)[0] == '\0')
return nullptr;