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Kernel: Make syscalls that take a buffer size use ssize_t instead of size_t.

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Dealing with the unsigned overflow propagation here just seems unreasonably
error prone. Let's limit ourselves to 2GB buffer sizes instead.
This commit is contained in:
Andreas Kling
2019-02-25 21:19:57 +01:00
parent 5af4e622b9
commit beda478821
40 changed files with 144 additions and 136 deletions
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6
Kernel/NullDevice.cpp
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@@ -26,13 +26,13 @@ bool NullDevice::can_read(Process&) const
return true;
}
ssize_t NullDevice::read(Process&, byte*, size_t)
ssize_t NullDevice::read(Process&, byte*, ssize_t)
{
return 0;
}
ssize_t NullDevice::write(Process&, const byte*, size_t bufferSize)
ssize_t NullDevice::write(Process&, const byte*, ssize_t buffer_size)
{
return min(GoodBufferSize, bufferSize);
return min(GoodBufferSize, buffer_size);
}