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Refactor: Simplify DhcpClass::printByte for hex conversion #294

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Refactor: Simplify DhcpClass::printByte for hex conversion #294

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13 changes: 5 additions & 8 deletions src/Dhcp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -422,12 +422,9 @@ IPAddress DhcpClass::getDnsServerIp()

void DhcpClass::printByte(char * buf, uint8_t n )
{
char *str = &buf[1];
buf[0]='0';
do {
unsigned long m = n;
n /= 16;
char c = m - 16 * n;
*str-- = c < 10 ? c + '0' : c + 'A' - 10;
} while(n);
uint8_t high_nibble = (n >> 4) & 0x0F;
uint8_t low_nibble = n & 0x0F;

buf[0] = high_nibble < 10 ? high_nibble + '0' : high_nibble + 'A' - 10;
buf[1] = low_nibble < 10 ? low_nibble + '0' : low_nibble + 'A' - 10;
}