From nobody Sun May 5 10:39:24 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1576075051; cv=none; d=zohomail.com; s=zohoarc; b=cFS2zFfU2GVCBm96EDq7oX3IH4TRlaf0AohS/oY5pmTQZqJCkDZgPnL9xgEmnItrMwGUxXM2IlSuaBErKbop7C8HiVbmnA82ZVW23ShP9ePD92i+2Ahl/Mt8mPls15ur+gmlopBSqIbunjPUxMQkmiLvlv8L4/OHM9PeNlUgXk8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1576075051; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=6P+O7fP7RdRxtrVlibSaBNIUsO6tN03n2SE/FwGlPpk=; b=gc1HwaXAzhwCc4x2cTxXeUQNDEMMlcJepc8XkuK06BTWWOY92i8Fg4rYBmX0ghVey6996EcGwaC9BNW7nZvMdwfvM4T241TGvsQe82dR/YhX+bjPSjz/49yEMxvEG5I+7Ytj6mb6yg7AfCp6hnG1ReVV/skVvzNDsOH9U7q9tyY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1576075051250650.3091540360241; Wed, 11 Dec 2019 06:37:31 -0800 (PST) Received: from localhost ([::1]:43338 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1if37J-0001tM-QG for importer@patchew.org; Wed, 11 Dec 2019 09:37:29 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40185) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1if2uk-0006SP-V9 for qemu-devel@nongnu.org; Wed, 11 Dec 2019 09:24:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1if2uj-0004UR-M4 for qemu-devel@nongnu.org; Wed, 11 Dec 2019 09:24:30 -0500 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]:42836) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1if2uj-0004SB-Fc for qemu-devel@nongnu.org; Wed, 11 Dec 2019 09:24:29 -0500 Received: by mail-wr1-x443.google.com with SMTP id q6so2749234wro.9 for ; Wed, 11 Dec 2019 06:24:29 -0800 (PST) Received: from 640k.lan ([93.56.166.5]) by smtp.gmail.com with ESMTPSA id b10sm2391123wrt.90.2019.12.11.06.24.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 Dec 2019 06:24:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6P+O7fP7RdRxtrVlibSaBNIUsO6tN03n2SE/FwGlPpk=; b=l0uNsFNfQ2lywr02LWYhFULRgQI+/K+QVKVG/VwAgpMz2+vS0ef7h+40S5IHvN0nnE PuIgzhTMfrU2f86pw2fAE9WOGlvRDGX6AROERAenwZcgKsIQbIfOXjgDjn8f88BxYpjO 9F3a4f0uFMONQKErc8t9VCOD/PxwM9m0haWg9XRTr1SV99ovEgtakwUqD9Gjuw3Afxf/ 37nk/UKaSx3UamtmuD/JNHMTLZb1g73K3fsIE+cjkJW73qDdYZlWX9cjTrT5BXmJVfzJ M933phMnMrRZj7zxC39n4slMi7l8f5PEeWIv7POtWIxwXxpqeRbY1b7OvdmDMmQW65Ub 2Mvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=6P+O7fP7RdRxtrVlibSaBNIUsO6tN03n2SE/FwGlPpk=; b=GHZEphoKBAUK6zWYEtDfT6Mjf7qwJtT0Od3w1+5yCjqVkatZS7jz4QU24ytb5+zAWZ 2G4Q/Rhok7vKT+wAhKNjV2Ut6978uMJEgO6Icsve5f4uTTDg1m3LWcI5xemn4R5iEco3 qLqZwwWYdnr8FgMAPiMR1Yq5z3Z79NZgJ/1tHG0d8HqDcI+hEaqEVYS4wN/FsSdN8OkP 71PtH2CDWJoyaqqS44GIkBK+5gzQA9MEGN0mapvY/06+pByhaQEZtAW1JlRc88mZw7aZ YAbpYb1S4cdU65Kqa1fTlvFk8zBW11qdoyLKuIv5gWITH2xlnpcoSXKNFlVhcPGum1KA Da1Q== X-Gm-Message-State: APjAAAV6zQ5oaZIh1wa9OfR9o9ZdHMJ38fwQ396BS5DJlcWPi0LgDCC/ dgneezRnXS6s1Y20Obz5MqXNVX0i X-Google-Smtp-Source: APXvYqzj5dN64kbSxo0CFeODPpIH1dEJvzzW2C0PBbdUO+/aiSgWWBbwdzIAb8l0cxg2sl4rYQ9eUQ== X-Received: by 2002:a5d:4cc9:: with SMTP id c9mr96260wrt.70.1576074268281; Wed, 11 Dec 2019 06:24:28 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH] os-posix: simplify os_find_datadir Date: Wed, 11 Dec 2019 15:24:26 +0100 Message-Id: <1576074266-53158-1-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::443 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Marc-Andr=C3=A9 Lureau Use g_build_filename instead of sprintf, and g_autofree instead of manual freeing. Signed-off-by: Marc-Andr=C3=A9 Lureau Signed-off-by: Paolo Bonzini --- os-posix.c | 41 +++++++++++++---------------------------- 1 file changed, 13 insertions(+), 28 deletions(-) diff --git a/os-posix.c b/os-posix.c index 86cffd2..3cd52e1 100644 --- a/os-posix.c +++ b/os-posix.c @@ -80,41 +80,26 @@ void os_setup_signal_handling(void) sigaction(SIGTERM, &act, NULL); } =20 -/* Find a likely location for support files using the location of the bina= ry. - For installed binaries this will be "$bindir/../share/qemu". When - running from the build tree this will be "$bindir/../pc-bios". */ -#define SHARE_SUFFIX "/share/qemu" -#define BUILD_SUFFIX "/pc-bios" +/* + * Find a likely location for support files using the location of the bina= ry. + * When running from the build tree this will be "$bindir/../pc-bios". + * Otherwise, this is CONFIG_QEMU_DATADIR. + */ char *os_find_datadir(void) { - char *dir, *exec_dir; - char *res; - size_t max_len; + g_autofree char *exec_dir =3D NULL; + g_autofree char *dir =3D NULL; =20 exec_dir =3D qemu_get_exec_dir(); - if (exec_dir =3D=3D NULL) { - return NULL; - } - dir =3D g_path_get_dirname(exec_dir); - - max_len =3D strlen(dir) + - MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1; - res =3D g_malloc0(max_len); - snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX); - if (access(res, R_OK)) { - snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX); - if (access(res, R_OK)) { - g_free(res); - res =3D NULL; - } + g_return_val_if_fail(exec_dir !=3D NULL, NULL); + + dir =3D g_build_filename(exec_dir, "..", "pc-bios", NULL); + if (g_file_test(dir, G_FILE_TEST_IS_DIR)) { + return g_steal_pointer(&dir); } =20 - g_free(dir); - g_free(exec_dir); - return res; + return g_strdup(CONFIG_QEMU_DATADIR); } -#undef SHARE_SUFFIX -#undef BUILD_SUFFIX =20 void os_set_proc_name(const char *s) { --=20 1.8.3.1