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Use stack memory for hex used in stratum share submissions.

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This commit is contained in:
Con Kolivas 2013-10-12 10:34:07 +11:00
parent e0c90359fd
commit 9f8023a959
1 changed files with 3 additions and 7 deletions
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cgminer.c
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@ -5465,8 +5465,8 @@ static void *stratum_sthread(void *userdata)
quit(1, "Failed to create stratum_q in stratum_sthread"); quit(1, "Failed to create stratum_q in stratum_sthread");
while (42) { while (42) {
char noncehex[12], nonce2hex[20];
struct stratum_share *sshare; struct stratum_share *sshare;
char *noncehex, *nonce2hex;
uint32_t *hash32, nonce; uint32_t *hash32, nonce;
char s[1024], nonce2[8]; char s[1024], nonce2[8];
struct work *work; struct work *work;
@ -5495,7 +5495,7 @@ static void *stratum_sthread(void *userdata)
/* This work item is freed in parse_stratum_response */ /* This work item is freed in parse_stratum_response */
sshare->work = work; sshare->work = work;
nonce = *((uint32_t *)(work->data + 76)); nonce = *((uint32_t *)(work->data + 76));
noncehex = bin2hex((const unsigned char *)&nonce, 4); __bin2hex(noncehex, (const unsigned char *)&nonce, 4);
memset(s, 0, 1024); memset(s, 0, 1024);
mutex_lock(&sshare_lock); mutex_lock(&sshare_lock);
@ -5506,15 +5506,11 @@ static void *stratum_sthread(void *userdata)
memset(nonce2, 0, 8); memset(nonce2, 0, 8);
/* We only use uint32_t sized nonce2 increments internally */ /* We only use uint32_t sized nonce2 increments internally */
memcpy(nonce2, &work->nonce2, sizeof(uint32_t)); memcpy(nonce2, &work->nonce2, sizeof(uint32_t));
nonce2hex = bin2hex((const unsigned char *)nonce2, work->nonce2_len); __bin2hex(nonce2hex, (const unsigned char *)nonce2, work->nonce2_len);
if (unlikely(!nonce2hex))
quit(1, "Failed to bin2hex nonce2 in stratum_thread");
snprintf(s, sizeof(s), snprintf(s, sizeof(s),
"{\"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\": %d, \"method\": \"mining.submit\"}", "{\"params\": [\"%s\", \"%s\", \"%s\", \"%s\", \"%s\"], \"id\": %d, \"method\": \"mining.submit\"}",
pool->rpc_user, work->job_id, nonce2hex, work->ntime, noncehex, sshare->id); pool->rpc_user, work->job_id, nonce2hex, work->ntime, noncehex, sshare->id);
free(noncehex);
free(nonce2hex);
applog(LOG_INFO, "Submitting share %08lx to pool %d", applog(LOG_INFO, "Submitting share %08lx to pool %d",
(long unsigned int)htole32(hash32[6]), pool->pool_no); (long unsigned int)htole32(hash32[6]), pool->pool_no);