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virXMLPropUInt: Always initialize @result

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Compilers aren't able to see whether @result is set or not and thus
don't warn of a potential use of uninitialized value. Always set @result
to prevent uninitialized use.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Peter Krempa 2021-05-06 14:00:16 +02:00
parent 84960ca118
commit f5eb6d0ad9
1 changed files with 3 additions and 0 deletions
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3
src/util/virxml.c
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@ -706,6 +706,7 @@ virXMLPropInt(xmlNodePtr node,
* @result: The returned value
*
* Convenience function to return value of an unsigned integer attribute.
* @result is initialized to 0 on error or if the element is not found.
*
* Returns 1 in case of success in which case @result is set,
* or 0 if the attribute is not present,
@ -722,6 +723,8 @@ virXMLPropUInt(xmlNodePtr node,
int ret;
unsigned int val;
*result = 0;
if (!(tmp = virXMLPropString(node, name))) {
if (!(flags & VIR_XML_PROP_REQUIRED))
return 0;