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LibRaw_QIODevice::seek() bounding checks

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This commit is contained in:
Mirco Miranda 2022-09-20 19:44:08 +02:00
parent 65a20b43fc
commit d881a7bbb1
1 changed files with 5 additions and 1 deletions
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6
src/imageformats/raw.cpp
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@ -131,11 +131,15 @@ public:
virtual int seek(INT64 o, int whence) override
{
auto pos = o;
auto size = m_device->size();
if (whence == SEEK_CUR) {
pos = m_device->pos() + o;
}
if (whence == SEEK_END) {
pos = m_device->size() + o;
pos = size + o;
}
if (pos < 0 || pos > size) {
return -1;
}
return m_device->seek(pos) ? 0 : -1;
}