Pair va_copy calls with va_end

According to the specs, each va_copy call should be matched by a va_end call
to ensure proper cleanup.  Furthermore, since message filters might iterate
over the list of arguments, we should hand a new copy to each filter.
This commit is contained in:
Martin von Gagern 2016-05-17 22:37:32 +02:00
parent 60c1dd1744
commit 04bc8d3195

View file

@ -231,7 +231,7 @@ static void messagePos( TidyDocImpl* doc, TidyReportLevel level, uint code,
{
va_list args_copy;
va_copy(args_copy, args);
TY_(tmbvsnprintf)(messageBuf, sizeMessageBuf, msg, args);
TY_(tmbvsnprintf)(messageBuf, sizeMessageBuf, msg, args_copy);
if ( doc->mssgFilt )
{
TidyDoc tdoc = tidyImplToDoc( doc );
@ -245,6 +245,8 @@ static void messagePos( TidyDocImpl* doc, TidyReportLevel level, uint code,
consistent, we have to ensure that we only ever return the
built-in English version of this string. */
TidyDoc tdoc = tidyImplToDoc( doc );
va_end(args_copy);
va_copy(args_copy, args);
go = go | doc->mssgFilt2( tdoc, level, line, col, tidyDefaultString(code), args_copy );
}
if ( doc->mssgFilt3 )
@ -253,8 +255,11 @@ static void messagePos( TidyDocImpl* doc, TidyReportLevel level, uint code,
messages via their own means by providing a key string and
the parameters to fill it. */
TidyDoc tdoc = tidyImplToDoc( doc );
va_end(args_copy);
va_copy(args_copy, args);
go = go | doc->mssgFilt3( tdoc, level, line, col, tidyErrorCodeAsString(code), args_copy );
}
va_end(args_copy);
}
if ( go )