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check for NULL pointer in IsExtensionInList()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@56692 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2008-11-06 23:31:26 +00:00
parent 1621f192d9
commit 442e842ee7
1 changed files with 3 additions and 0 deletions
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3
src/common/glcmn.cpp
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@ -118,6 +118,9 @@ void wxGLCanvasBase::OnSize(wxSizeEvent& WXUNUSED(event))
/* static */
bool wxGLCanvasBase::IsExtensionInList(const char *list, const char *extension)
{
if ( !list )
return false;
for ( const char *p = list; *p; p++ )
{
// advance up to the next possible match