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Fix wxPluginLibrary wxClassInfo pointers initialization.

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The values of m_ourFirst and m_ourLast were inversed in wxPluginLibrary ctor.
Fix this and explain in a comment that "first" and "last" here refer to the
order in the linked list and not the chronological order.

Closes #14483.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72533 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2012-09-20 23:12:51 +00:00
parent 89b3361ec2
commit 7cc3d0e004
1 changed files with 7 additions and 6 deletions
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13
src/common/dynload.cpp
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@@ -79,20 +79,21 @@ wxPluginLibrary::wxPluginLibrary(const wxString &libname, int flags)
const wxClassInfo* const oldFirst = wxClassInfo::GetFirst();
Load( libname, flags );
// It is simple to know what is the last object we registered, it's just
// the new head of the wxClassInfo list:
m_ourLast = wxClassInfo::GetFirst();
// It is simple to know what is the first object in the linked list of
// wxClassInfo that we registered (it's also the last one chronologically),
// it's just the new head of the wxClassInfo list:
m_ourFirst = wxClassInfo::GetFirst();
// But to find the first wxClassInfo created by this library we need to
// iterate until we get to the previous head as we don't have the links in
// the backwards direction:
if ( m_ourLast != oldFirst )
if ( m_ourFirst != oldFirst )
{
for ( const wxClassInfo* info = m_ourLast; ; info = info->GetNext() )
for ( const wxClassInfo* info = m_ourFirst; ; info = info->GetNext() )
{
if ( info->GetNext() == oldFirst )
{
m_ourFirst = info;
m_ourLast = info;
break;
}
}