From 071714935be4ba45853ef1b56e656a9527eb5fc4 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Sat, 29 Sep 2012 10:12:18 +0000
Subject: [PATCH] Bugfix: Correct signed/unsigned warnings

---
 blkmaker.c         | 4 ++--
 blkmaker_jansson.c | 4 ++--
 blktemplate.c      | 6 +++---
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/blkmaker.c b/blkmaker.c
index 501e4fd..3841761 100644
--- a/blkmaker.c
+++ b/blkmaker.c
@@ -31,7 +31,7 @@ bool build_merkle_root(unsigned char *mrklroot_out, blktemplate_t *tmpl, unsigne
 	
 	if (!dblsha256(&hashes[0], cbtxndata, cbtxndatasz))
 		return false;
-	for (int i = 0; i < tmpl->txncount; ++i)
+	for (unsigned long i = 0; i < tmpl->txncount; ++i)
 		if (!dblsha256(&hashes[32 * (i + 1)], tmpl->txns[i].data, tmpl->txns[i].datasz))
 			return false;
 	
@@ -42,7 +42,7 @@ bool build_merkle_root(unsigned char *mrklroot_out, blktemplate_t *tmpl, unsigne
 			memcpy(&hashes[32 * hashcount], &hashes[32 * (hashcount - 1)], 32);
 			++hashcount;
 		}
-		for (int i = 0; i < hashcount; i += 2)
+		for (size_t i = 0; i < hashcount; i += 2)
 			// This is where we overlap input and output, on the first pair
 			if (!dblsha256(&hashes[i / 2 * 32], &hashes[32 * i], 64))
 				return false;
diff --git a/blkmaker_jansson.c b/blkmaker_jansson.c
index eccd49a..4312f63 100644
--- a/blkmaker_jansson.c
+++ b/blkmaker_jansson.c
@@ -179,7 +179,7 @@ void my_flip(void *data, size_t datasz) {
 	char *cdata = (char*)data;
 	--datasz;
 	size_t hds = datasz / 2;
-	for (int i = 0; i <= hds; ++i)
+	for (size_t i = 0; i <= hds; ++i)
 	{
 		int altp = datasz - i;
 		char c = cdata[i];
@@ -320,7 +320,7 @@ json_t *blkmk_submit_jansson(blktemplate_t *tmpl, const unsigned char *data, uns
 			return NULL;
 		
 		if (!(tmpl->mutations & BMAb_COINBASE))
-			for (int i = 0; i < tmpl->txncount; ++i)
+			for (unsigned long i = 0; i < tmpl->txncount; ++i)
 			{
 				memcpy(&blk[offs], tmpl->txns[i].data, tmpl->txns[i].datasz);
 				offs += tmpl->txns[i].datasz;
diff --git a/blktemplate.c b/blktemplate.c
index fb9cd6b..bee4c4b 100644
--- a/blktemplate.c
+++ b/blktemplate.c
@@ -36,14 +36,14 @@ static const char *capnames[] = {
 };
 
 const char *blktmpl_capabilityname(gbt_capabilities_t caps) {
-	for (int i = 0; i < sizeof(capnames); ++i)
+	for (unsigned int i = 0; i < sizeof(capnames); ++i)
 		if (caps & (1 << i))
 			return capnames[i];
 	return NULL;
 }
 
 gbt_capabilities_t blktmpl_getcapability(const char *n) {
-	for (int i = 0; i < sizeof(capnames); ++i)
+	for (unsigned int i = 0; i < sizeof(capnames); ++i)
 		if (capnames[i] && !strcasecmp(n, capnames[i]))
 			return 1 << i;
 	return 0;
@@ -90,7 +90,7 @@ void blktxn_free(struct blktxn_t *bt) {
 }
 
 void blktmpl_free(blktemplate_t *tmpl) {
-	for (int i = 0; i < tmpl->txncount; ++i)
+	for (unsigned long i = 0; i < tmpl->txncount; ++i)
 		blktxn_free(&tmpl->txns[i]);
 	free(tmpl->txns);
 	if (tmpl->cbtxn)