From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: X-Spam-Status: No, score=-4.0 required=3.0 tests=ALL_TRUSTED,BAYES_00 shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id 787ED20A1E; Sat, 8 Dec 2018 17:36:20 +0000 (UTC) From: Eric Wong To: sleepy-penguin@bogomips.org Cc: Eric Wong Subject: [PATCH] fix 64-to-32-bit truncation warning Date: Sat, 8 Dec 2018 17:36:18 +0000 Message-Id: <20181208173618.3463-1-e@80x24.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: 4GB thread-local-storage should be enough for anyone, right? --- ext/sleepy_penguin/init.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/ext/sleepy_penguin/init.c b/ext/sleepy_penguin/init.c index 27aada4..76fa77a 100644 --- a/ext/sleepy_penguin/init.c +++ b/ext/sleepy_penguin/init.c @@ -101,15 +101,13 @@ static struct rb_sp_tlsbuf *alloc_tlsbuf(size_t size) size_t bytes = size + sizeof(struct rb_sp_tlsbuf); struct rb_sp_tlsbuf *buf; void *ptr; - int err = posix_memalign(&ptr, rb_sp_l1_cache_line_size, bytes); - if (err) { - errno = err; + if (size >= UINT32_MAX || + posix_memalign(&ptr, rb_sp_l1_cache_line_size, bytes)) rb_memerror(); /* fatal */ - } buf = ptr; - buf->capa = size; + buf->capa = (uint32_t)size; return buf; } -- EW