Function bitmapSetBit

app/redis-6.2.6/src/cluster.c:3814–3818

Set the bit at position 'pos' in a bitmap. */

/* Set the bit at position 'pos' in a bitmap. */
void bitmapSetBit(unsigned char *bitmap, int pos) {
    off_t byte = pos/8;
    int bit = pos&7;
    bitmap[byte] |= 1<<bit;
}

/* Clear the bit at position 'pos' in a bitmap. */
void bitmapClearBit(unsigned char *bitmap, int pos) {