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AP_Periph: fixed vsnprintf return assumption

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This commit is contained in:
Andrew Tridgell 2019-09-11 17:44:58 +10:00
parent 6af9d55e70
commit bc0b9337a0
1 changed files with 1 additions and 1 deletions
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2
Tools/AP_Periph/can.cpp
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@ -1093,7 +1093,7 @@ void can_printf(const char *fmt, ...)
va_start(ap, fmt); va_start(ap, fmt);
uint32_t n = vsnprintf(tbuf, sizeof(tbuf), fmt, ap); uint32_t n = vsnprintf(tbuf, sizeof(tbuf), fmt, ap);
va_end(ap); va_end(ap);
pkt.text.len = n; pkt.text.len = MIN(n, sizeof(tbuf));
pkt.text.data = (uint8_t *)&tbuf[0]; pkt.text.data = (uint8_t *)&tbuf[0];
uint32_t len = uavcan_protocol_debug_LogMessage_encode(&pkt, buffer); uint32_t len = uavcan_protocol_debug_LogMessage_encode(&pkt, buffer);