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Fix bootloop logging crash

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jpirnay
2026-03-08 10:57:49 +01:00
parent 65e6caea57
commit 35897d33ae
1 changed files with 2 additions and 0 deletions
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lib/Logging/Logging.cpp
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@@ -11,6 +11,8 @@ RTC_NOINIT_ATTR size_t logHead = 0;
void addToLogRingBuffer(const char* message) { void addToLogRingBuffer(const char* message) {
// Add the message to the ring buffer, overwriting old messages if necessary // Add the message to the ring buffer, overwriting old messages if necessary
// Clamp logHead in case RTC_NOINIT_ATTR left it with garbage on cold boot.
logHead = logHead % MAX_LOG_LINES;
strncpy(logMessages[logHead], message, MAX_ENTRY_LEN - 1); strncpy(logMessages[logHead], message, MAX_ENTRY_LEN - 1);
logMessages[logHead][MAX_ENTRY_LEN - 1] = '\0'; logMessages[logHead][MAX_ENTRY_LEN - 1] = '\0';
logHead = (logHead + 1) % MAX_LOG_LINES; logHead = (logHead + 1) % MAX_LOG_LINES;