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headers: surround GCC attribute names with double underscores

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This protects from attribute names being defined by third party's code.

Improvement: http://curl.haxx.se/mail/lib-2012-04/0127.html
This commit is contained in:
Jonathan Nieder 2012-04-14 15:06:57 +02:00 • committed by Yang Tse
parent b9ac64c2cb
commit 8b63b48627
3 changed files with 9 additions and 8 deletions
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7
include/curl/typecheck-gcc.h
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@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -141,8 +141,9 @@ __extension__ ({ \
/* To define a new warning, use _CURL_WARNING(identifier, "message") */
#define _CURL_WARNING(id, message) \
static void __attribute__((warning(message))) __attribute__((unused)) \
__attribute__((noinline)) id(void) { __asm__(""); }
static void __attribute__((__warning__(message))) \
__attribute__((__unused__)) __attribute__((__noinline__)) \
id(void) { __asm__(""); }
_CURL_WARNING(_curl_easy_setopt_err_long,
"curl_easy_setopt expects a long argument for this option")