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fix: ensure null-termination in getSerialString() and handle len==0

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Agent-Logs-Url: https://github.com/meshtastic/firmware/sessions/e5647919-2255-48ad-bcaa-7a2c2fdbf212

Co-authored-by: thebentern <9000580+thebentern@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-04-27 01:43:53 +00:00
committed by GitHub
co-authored by thebentern
parent 12285088d1
commit 1d5b9361d8
1 changed files with 5 additions and 2 deletions
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src/platform/portduino/USBHal.h
+5 -2
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@@ -60,8 +60,11 @@ class Ch341Hal : public RadioLibHal
void getSerialString(char *_serial, size_t len)
{
len = len > 8 ? 8 : len;
std::strncpy(_serial, pinedio.serial_number, len);
if (len == 0)
return;
size_t bytesCopied = (len - 1) < 8 ? (len - 1) : 8;
std::strncpy(_serial, pinedio.serial_number, bytesCopied);
_serial[bytesCopied] = '\0';
}
void getProductString(char *_product_string, size_t len)