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use a union for the split nonce2 values instead of open coding a pointer version

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This commit is contained in:
Con Kolivas 2014-10-01 23:51:15 +10:00
parent 10777b6f25
commit 00fc686bbf
1 changed files with 21 additions and 18 deletions
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39
src/stratifier.c
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@ -83,7 +83,12 @@ static pthread_mutex_t stats_lock;
/* Serialises sends/receives to ckdb if possible */
static pthread_mutex_t ckdb_lock;
static uint64_t enonce1_64;
static union {
uint64_t u64;
uint32_t u32;
uint16_t u16;
uint8_t u8;
} enonce1u;
struct workbase {
/* Hash table data */
@ -1345,10 +1350,6 @@ out:
* unused enonce1 value and reject clients instead if there is no space left */
static bool new_enonce1(stratum_instance_t *client)
{
void *enoncev = &enonce1_64;
uint32_t *enonce1_32 = enoncev;
uint16_t *enonce1_16 = enoncev;
uint8_t *enonce1_8 = enoncev;
bool ret = false;
workbase_t *wb;
int i;
@ -1357,30 +1358,32 @@ static bool new_enonce1(stratum_instance_t *client)
wb = current_workbase;
switch(wb->enonce1varlen) {
case 8:
enonce1_64++;
enonce1u.u64++;
ret = true;
break;
case 4:
++(*enonce1_32);
enonce1u.u32++;
ret = true;
break;
case 2:
i = 0;
do {
++(*enonce1_16);
ret = enonce1_free(enonce1_64);
} while (++i < 65536 && !ret);
for (i = 0; i < 65536; i++) {
enonce1u.u16++;
ret = enonce1_free(enonce1u.u64);
if (ret)
break;
}
break;
case 1:
i = 0;
do {
++(*enonce1_8);
ret = enonce1_free(enonce1_64);
} while (++i < 256 && !ret);
for (i = 0; i < 256; i++) {
enonce1u.u8++;
ret = enonce1_free(enonce1u.u64);
if (ret)
break;
}
break;
}
if (ret)
client->enonce1_64 = enonce1_64;
client->enonce1_64 = enonce1u.u64;
if (wb->enonce1constlen)
memcpy(client->enonce1bin, wb->enonce1constbin, wb->enonce1constlen);
memcpy(client->enonce1bin + wb->enonce1constlen, &client->enonce1_64, wb->enonce1varlen);