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Return NULL/false rather than crash when accessing file attributes in FileRef

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BUG:209417


git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/kdesupport/taglib@1039724 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
This commit is contained in:
Lukáš Lalinský 2009-10-24 12:45:58 +00:00
parent fa1a23fe5c
commit bffd4da8b6
1 changed files with 13 additions and 0 deletions
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13
taglib/fileref.cpp
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@ -29,6 +29,7 @@
#include <tfile.h>
#include <tstring.h>
#include <tdebug.h>
#include "fileref.h"
#include "asffile.h"
@ -93,11 +94,19 @@ FileRef::~FileRef()
Tag *FileRef::tag() const
{
if(isNull()) {
debug("FileRef::tag() - Called without a valid file.");
return 0;
}
return d->file->tag();
}
AudioProperties *FileRef::audioProperties() const
{
if(isNull()) {
debug("FileRef::audioProperties() - Called without a valid file.");
return 0;
}
return d->file->audioProperties();
}
@ -108,6 +117,10 @@ File *FileRef::file() const
bool FileRef::save()
{
if(isNull()) {
debug("FileRef::save() - Called without a valid file.");
return false;
}
return d->file->save();
}