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util: xml: Introduce virXMLPropLongLong
Add a helper for parsing long long values from XML properties with semantics like virXMLPropInt. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Ján Tomko <jtomko@redhat.com>
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@ -3682,6 +3682,7 @@ virXMLPickShellSafeComment;
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virXMLPropEnum;
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virXMLPropEnumDefault;
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virXMLPropInt;
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virXMLPropLongLong;
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virXMLPropString;
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virXMLPropStringRequired;
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virXMLPropTristateBool;
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@ -750,6 +750,70 @@ virXMLPropUInt(xmlNodePtr node,
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}
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/**
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* virXMLPropLongLong:
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* @node: XML dom node pointer
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* @name: Name of the property (attribute) to get
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* @base: Number base, see strtol
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* @flags: Bitwise-OR of virXMLPropFlags
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* @result: The returned value
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* @defaultResult: Default value of @result in case the property is not found
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*
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* Convenience function to return value of a long long attribute.
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*
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* Returns 1 in case of success in which case @result is set,
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* or 0 if the attribute is not present,
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* or -1 and reports an error on failure.
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*/
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int
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virXMLPropLongLong(xmlNodePtr node,
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const char *name,
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int base,
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virXMLPropFlags flags,
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long long *result,
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long long defaultResult)
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{
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g_autofree char *tmp = NULL;
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long long val;
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*result = defaultResult;
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if (!(tmp = virXMLPropString(node, name))) {
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if (!(flags & VIR_XML_PROP_REQUIRED))
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return 0;
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virReportError(VIR_ERR_XML_ERROR,
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_("Missing required attribute '%s' in element '%s'"),
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name, node->name);
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return -1;
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}
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if (virStrToLong_ll(tmp, NULL, base, &val) < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Invalid value for attribute '%s' in element '%s': '%s'. Expected long long integer value"),
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name, node->name, tmp);
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return -1;
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}
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if ((flags & VIR_XML_PROP_NONNEGATIVE) && (val < 0)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Invalid value for attribute '%s' in element '%s': '%s'. Expected non-negative value"),
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name, node->name, tmp);
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return -1;
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}
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if ((flags & VIR_XML_PROP_NONZERO) && (val == 0)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Invalid value for attribute '%s' in element '%s': Zero is not permitted"),
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name, node->name);
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return -1;
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}
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*result = val;
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return 1;
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}
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/**
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* virXMLPropULongLong:
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* @node: XML dom node pointer
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@ -141,6 +141,15 @@ virXMLPropUInt(xmlNodePtr node,
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unsigned int *result)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5);
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int
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virXMLPropLongLong(xmlNodePtr node,
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const char *name,
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int base,
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virXMLPropFlags flags,
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long long *result,
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long long defaultResult)
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ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(5);
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int
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virXMLPropULongLong(xmlNodePtr node,
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const char* name,
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