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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1759756504; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xKG9cWlH7Wqa1NVWNcQQKAWfvGflz7138CGGPtZZjCc=; b=aKbUJRUqmczjJfzaxNbd3CLL6uUfI30PJgO6E2yu7MYPAqbWjdNEpnWP1gX12fVI9Wfb6l IFKfNSmeyoN1zV5Hfo23+Z5ojwZmWvFpbZMZsXS+RgqPd5xnTFCqlW6t+B7JB1nipN5lV6 2Gx4rH1iEm0qyWlfAaBVXq/ahewXRHk= X-MC-Unique: LjXGIy2aPN6o5r-CxfCHUg-1 X-Mimecast-MFC-AGG-ID: LjXGIy2aPN6o5r-CxfCHUg_1759756498 To: devel@lists.libvirt.org Subject: [PATCH 01/20] virxml: Introduce virXPathTristateSwitch() Date: Mon, 6 Oct 2025 15:14:32 +0200 Message-ID: <6192daec8908a603d2ac9823e942b8f11a1b23c2.1759756003.git.mprivozn@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: f_eQ9dBp1B5Z_uQfcr8FR3sZHGaTqkbDF4_nrrWy7Fk_1759756498 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Message-ID-Hash: G7TTMFCMGVEBOJLYGE2XVYOBIPL2IVDH X-Message-ID-Hash: G7TTMFCMGVEBOJLYGE2XVYOBIPL2IVDH X-MailFrom: mprivozn@redhat.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; header-match-devel.lists.libvirt.org-0; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Michal Privoznik via Devel Reply-To: Michal Privoznik X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1759757024856116600 Content-Type: text/plain; charset="utf-8"; x-default="true" From: Michal Privoznik Similarly to other virXPath* functions, let's have a helper that evaluates an XPath and stores the value into virTristateSwitch. Signed-off-by: Michal Privoznik --- src/libvirt_private.syms | 1 + src/util/virxml.c | 34 ++++++++++++++++++++++++++++++++++ src/util/virxml.h | 5 +++++ 3 files changed, 40 insertions(+) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index fe72402527..db909e4b28 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -3826,6 +3826,7 @@ virXPathLongLong; virXPathNode; virXPathNodeSet; virXPathString; +virXPathTristateSwitch; virXPathUInt; virXPathUIntBase; virXPathULongLong; diff --git a/src/util/virxml.c b/src/util/virxml.c index bb80bb7444..60485c10fa 100644 --- a/src/util/virxml.c +++ b/src/util/virxml.c @@ -284,6 +284,40 @@ virXPathLongLong(const char *xpath, } =20 =20 +/** + * virXPathTristateSwitch: + * @xpath: the XPath string to evaluate + * @ctxt: an XPath context + * @value: the returned virTristateSwitch value + * + * Convenience function to evaluate an XPath tristate value. The @xpath + * expression must ensure that the evaluated value is returned as a + * string (use the 'string()' conversion in the expression). + * + * Returns 0 in case of success in which case @value is set, + * or -1 if the XPath evaluation failed or -2 if the + * value isn't of a virTristateSwitch value. + */ +int +virXPathTristateSwitch(const char *xpath, + xmlXPathContextPtr ctxt, + virTristateSwitch *value) +{ + g_autoptr(xmlXPathObject) obj =3D NULL; + int rc; + + if (!(obj =3D virXPathEvalString(xpath, ctxt))) + return -1; + + rc =3D virTristateSwitchTypeFromString((char *)obj->stringval); + if (rc < 0) + return -2; + + *value =3D rc; + return 0; +} + + /** * virXMLCheckIllegalChars: * @nodeName: Name of checked node diff --git a/src/util/virxml.h b/src/util/virxml.h index 7cc3f47913..dfec386494 100644 --- a/src/util/virxml.h +++ b/src/util/virxml.h @@ -73,6 +73,11 @@ virXPathLongLong(const char *xpath, xmlXPathContextPtr ctxt, long long *value); =20 +int +virXPathTristateSwitch(const char *xpath, + xmlXPathContextPtr ctxt, + virTristateSwitch *value); + xmlNodePtr virXMLNodeGetSubelement(xmlNodePtr node, const char *name); --=20 2.49.1