X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; q=dns; s=default; b=r8 /3Ih7ic6CYbn7ii9loQdGfWVa2FUkkQvIVq4CunBdcnYZloGPft6/lr/Lernnp4T 1zmRCGQCZUCYMv675LW0r1uEifKAH/Vz7i9MxjaESVXw9qptsNbKTk82chkKV0oo rKCtl+OJt2gEF3Jkb9pQrhlS4lumQKtrPyuC0uREI= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; s=default; bh=jxt0CLpU 5VHwFX/54yQoVmrsbok=; b=aogoRoN+UJeoHu8xnkZBBbIWPmeHHbKxdUIhakoS GI/b3klxhHYbkxGlhnCDigRqa94kASBS8o2+UMo9LP0xn+KiN+a5REHa4VfLhjJg HGI7tr6JnsIia6hII9mM3+IgUz6Ck7SxsyTf8p9sFdPeZ9Wqpq6sOPd29Bru7efK GRw= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-oi0-f47.google.com MIME-Version: 1.0 X-Received: by 10.202.191.67 with SMTP id p64mr24963022oif.134.1450113433474; Mon, 14 Dec 2015 09:17:13 -0800 (PST) In-Reply-To: <20151214140649.GB29983@calimero.vinschen.de> References: <20151214140649 DOT GB29983 AT calimero DOT vinschen DOT de> Date: Tue, 15 Dec 2015 02:17:13 +0900 Message-ID: Subject: Re: __STRICT_ANSI__ and stdio.h From: KIMURA Masaru To: cygwin AT cygwin DOT com Content-Type: multipart/mixed; boundary=001a113dde56165cf30526ded812 X-IsSubscribed: yes --001a113dde56165cf30526ded812 Content-Type: text/plain; charset=UTF-8 Hi, >> is cygwin's __STRICT_ANSI__ and stdio.h behavior not so compatible to glibc's? > > Cygwin is using newlib, newlib is BSD based. We introduced the > compatibility checking macros from FreeBSD lately. i roughly checked FreeBSD include/stdio.h and sys/sys/cdefs.h. https://github.com/freebsd/freebsd/blob/master/include/stdio.h https://github.com/freebsd/freebsd/blob/master/sys/sys/cdefs.h it looks very different to newlib's. FreeBSD has visibility for popen()/pclose() if __POSIX_VISIBLE >= 199209, it looks no checking about __STRICT_ANSI__ in their cdefs.h. only one thing i worried about is _ANSI_SOURCE in their cdefs.h, (b/c i don't understand where _ANSI_SOURCE comes from...) but it looks _POSIX_C_SOURCE wins anyway. for ease to see, i'd attach simplified their cdefs.h for their visibility handling. anyway, IIUC, newlib's behavior in regard this point looks not equivalent to FreeBSD's... 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