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Tue, 16 Mar 2021 10:38:22 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-344-itfo5WXhPke35-mefm_RoQ-1; Tue, 16 Mar 2021 10:38:18 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 891DF802B7E for ; Tue, 16 Mar 2021 14:38:17 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-141.ams2.redhat.com [10.36.112.141]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CBEA810023B5; Tue, 16 Mar 2021 14:38:13 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 420CD1800627; Tue, 16 Mar 2021 15:38:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1615905500; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/HJFAud+TtfwJvJFxfYcM/EjMumg7bYZoLYxL2UHqFA=; b=AwJwWZJWzKS080ZZcxwkICda0Ou+iSZ0GVXju0qqNrV6In+olyFeu3flXcxCcw/vX3poKk cxxNCac47Hc2TPlhFHs1kDYsh1fqueJjUD6pPgbuQu8FuL8CnoaKqUhSyr3KIKdWECoCfY U+t8KooUIB5LYhGjF+khSHYUNIj4k/s= X-MC-Unique: itfo5WXhPke35-mefm_RoQ-1 From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PATCH 1/9] qemu-edid: use qemu_edid_size() Date: Tue, 16 Mar 2021 15:38:04 +0100 Message-Id: <20210316143812.2363588-2-kraxel@redhat.com> In-Reply-To: <20210316143812.2363588-1-kraxel@redhat.com> References: <20210316143812.2363588-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable 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; Received-SPF: pass client-ip=63.128.21.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" So we only write out that part of the edid blob which has been filled with data. Also use a larger buffer for the blob. Signed-off-by: Gerd Hoffmann Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- qemu-edid.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/qemu-edid.c b/qemu-edid.c index 1cd6a9517238..c3a9fba10dc4 100644 --- a/qemu-edid.c +++ b/qemu-edid.c @@ -41,7 +41,8 @@ static void usage(FILE *out) int main(int argc, char *argv[]) { FILE *outfile =3D NULL; - uint8_t blob[256]; + uint8_t blob[512]; + size_t size; uint32_t dpi =3D 100; int rc; =20 @@ -119,7 +120,8 @@ int main(int argc, char *argv[]) =20 memset(blob, 0, sizeof(blob)); qemu_edid_generate(blob, sizeof(blob), &info); - fwrite(blob, sizeof(blob), 1, outfile); + size =3D qemu_edid_size(blob); + fwrite(blob, size, 1, outfile); fflush(outfile); =20 exit(0); --=20 2.30.2