rgw: silence a compiling warning

printf() a uint64 in a portable way (i.e. C98 compliant way).

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/rgw/rgw_torrent.cc b/src/rgw/rgw_torrent.cc
index f4f930b0342cf6bf0ba3d62c7f978fdb7a835b8f..e85ac8f863771e82cc4516329037f604ca9277c5 100644 (file)
--- a/src/rgw/rgw_torrent.cc
+++ b/src/rgw/rgw_torrent.cc
@@ -253,7 +253,7 @@ void seed::do_encode()
   dencode.bencode(PIECE_LENGTH, info.piece_length, bl);
 
   char info_sha[100] = { 0 };
-  sprintf(info_sha, "%ld", sha_len);
+  sprintf(info_sha, "%" PRIu64, sha_len);
   string sha_len_str = info_sha;
   dencode.bencode_key(PIECES, bl);
   bl.append(sha_len_str.c_str(), sha_len_str.length());