Fix warnings on Win64 build

1 files changed, 13 insertions, 10 deletions

diff --git a/src/reflog.c b/src/reflog.c
index 72a34f695..ac481fb81 100644
--- a/src/reflog.c
+++ b/src/reflog.c
@@ -275,7 +275,7 @@ int git_reflog_write(git_reflog *reflog)
 		if ((error = git_filebuf_write(&fbuf, log.ptr, log.size)) < 0)
 			goto cleanup;
 	}
-	
+
 	error = git_filebuf_commit(&fbuf, GIT_REFLOG_FILE_MODE);
 	goto success;
 
@@ -411,18 +411,20 @@ size_t git_reflog_entrycount(git_reflog *reflog)
 	return reflog->entries.length;
 }
 
-const git_reflog_entry * git_reflog_entry_byindex(git_reflog *reflog, size_t idx)
+GIT_INLINE(size_t) reflog_inverse_index(size_t idx, size_t total)
 {
-	int pos;
+	return (total - 1) - idx;
+}
 
+const git_reflog_entry * git_reflog_entry_byindex(git_reflog *reflog, size_t idx)
+{
 	assert(reflog);
 
-	pos = git_reflog_entrycount(reflog) - (idx + 1);
-
-	if (pos < 0)
+	if (idx >= reflog->entries.length)
 		return NULL;
 
-	return git_vector_get(&reflog->entries, pos);
+	return git_vector_get(
+		&reflog->entries, reflog_inverse_index(idx, reflog->entries.length));
 }
 
 const git_oid * git_reflog_entry_id_old(const git_reflog_entry *entry)
@@ -454,7 +456,7 @@ int git_reflog_drop(
 	size_t idx,
 	int rewrite_previous_entry)
 {
-	unsigned int entrycount;
+	size_t entrycount;
 	git_reflog_entry *entry, *previous;
 
 	assert(reflog);
@@ -468,7 +470,8 @@ int git_reflog_drop(
 
 	reflog_entry_free(entry);
 
-	if (git_vector_remove(&reflog->entries, entrycount - (idx + 1)) < 0)
+	if (git_vector_remove(
+			&reflog->entries, reflog_inverse_index(idx, entrycount)) < 0)
 		return -1;
 
 	if (!rewrite_previous_entry)
@@ -489,7 +492,7 @@ int git_reflog_drop(
 		/* ...clear the oid_old member of the "new" oldest entry */
 		if (git_oid_fromstr(&entry->oid_old, GIT_OID_HEX_ZERO) < 0)
 			return -1;
-		
+
 		return 0;
 	}