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kimgio: warn if seeking fails in RAWDataStream::seek()

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-10-25 18:53:56 +03:00
parent a2ae8fe7f4
commit 37217b7fe7
1 changed files with 14 additions and 5 deletions
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19
kimgio/raw.cpp
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@ -73,22 +73,31 @@ int RAWDataStream::read(void* rawptr, size_t rawsize, size_t rawnmemb)
int RAWDataStream::seek(INT64 rawoffset, int rawwhence)
{
bool result = false;
switch (rawwhence) {
case SEEK_SET: {
return m_device->seek(rawoffset);
result = m_device->seek(rawoffset);
break;
}
case SEEK_CUR: {
return m_device->seek(m_device->pos() + rawoffset);
result = m_device->seek(m_device->pos() + rawoffset);
break;
}
case SEEK_END: {
return m_device->seek(m_device->size() + rawoffset);
result = m_device->seek(m_device->size() + rawoffset);
break;
}
default: {
kWarning() << "Invalid whence value" << rawwhence;
return 0;
result = false;
break;
}
}
Q_UNREACHABLE();
if (Q_UNLIKELY(!result)) {
kWarning() << "Could not seek" << rawoffset << rawwhence;
return -1;
}
return 0;
}
INT64 RAWDataStream::tell()