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util: xml: Introduce virXMLPropEnumDefault
The helper is almost identical to virXMLPropEnum but it allows to pass a default value to initialize the result to. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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@ -3550,6 +3550,7 @@ virXMLNodeToString;
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virXMLParseHelper;
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virXMLParseHelper;
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virXMLPickShellSafeComment;
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virXMLPickShellSafeComment;
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virXMLPropEnum;
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virXMLPropEnum;
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virXMLPropEnumDefault;
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virXMLPropInt;
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virXMLPropInt;
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virXMLPropString;
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virXMLPropString;
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virXMLPropStringLimit;
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virXMLPropStringLimit;
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@ -827,6 +827,36 @@ virXMLPropULongLong(xmlNodePtr node,
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}
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}
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/**
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* virXMLPropEnumDefault:
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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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* @strToInt: Conversion function to turn enum name to value. Expected to
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* return negative value on failure.
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* @flags: Bitwise or of virXMLPropFlags
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* @result: The returned value
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* @defaultResult: default value set to @result in case the property is missing
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*
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* Convenience function to return value of an enum 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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virXMLPropEnumDefault(xmlNodePtr node,
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const char* name,
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int (*strToInt)(const char*),
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virXMLPropFlags flags,
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unsigned int *result,
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unsigned int defaultResult)
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{
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*result = defaultResult;
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return virXMLPropEnumInternal(node, name, strToInt, flags, result);
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}
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/**
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/**
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* virXMLPropEnum:
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* virXMLPropEnum:
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* @node: XML dom node pointer
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* @node: XML dom node pointer
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@ -152,6 +152,17 @@ virXMLPropEnum(xmlNodePtr node,
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ATTRIBUTE_NONNULL(0) ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
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ATTRIBUTE_NONNULL(0) ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
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ATTRIBUTE_NONNULL(4);
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ATTRIBUTE_NONNULL(4);
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int
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virXMLPropEnumDefault(xmlNodePtr node,
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const char* name,
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int (*strToInt)(const char*),
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virXMLPropFlags flags,
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unsigned int *result,
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unsigned int defaultResult)
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ATTRIBUTE_NONNULL(0) ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
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ATTRIBUTE_NONNULL(4);
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/* Internal function; prefer the macros below. */
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/* Internal function; prefer the macros below. */
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xmlDocPtr
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xmlDocPtr
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virXMLParseHelper(int domcode,
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virXMLParseHelper(int domcode,
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