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Kernel+LibC: Fix various build issues introduced by ssize_t

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Now that ssize_t is derived from size_t, we have to
This commit is contained in:
Andreas Kling 2020-05-23 15:27:33 +02:00
parent 2fe6b3725a
commit dd924b730a
14 changed files with 15 additions and 16 deletions
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2
Kernel/Devices/FullDevice.cpp
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@ -47,7 +47,7 @@ bool FullDevice::can_read(const FileDescription&, size_t) const
ssize_t FullDevice::read(FileDescription&, size_t, u8* buffer, ssize_t size)
{
ssize_t count = min(PAGE_SIZE, size);
ssize_t count = min(static_cast<ssize_t>(PAGE_SIZE), size);
memset(buffer, 0, (size_t)count);
return count;
}

2
Kernel/Devices/NullDevice.cpp
View file

@ -59,7 +59,7 @@ ssize_t NullDevice::read(FileDescription&, size_t, u8*, ssize_t)
ssize_t NullDevice::write(FileDescription&, size_t, const u8*, ssize_t buffer_size)
{
return min(PAGE_SIZE, buffer_size);
return min(static_cast<ssize_t>(PAGE_SIZE), buffer_size);
}
}

2
Kernel/Devices/RandomDevice.cpp
View file

@ -52,7 +52,7 @@ ssize_t RandomDevice::read(FileDescription&, size_t, u8* buffer, ssize_t size)
ssize_t RandomDevice::write(FileDescription&, size_t, const u8*, ssize_t size)
{
// FIXME: Use input for entropy? I guess that could be a neat feature?
return min(PAGE_SIZE, size);
return min(static_cast<ssize_t>(PAGE_SIZE), size);
}
}

4
Kernel/Devices/ZeroDevice.cpp
View file

@ -46,14 +46,14 @@ bool ZeroDevice::can_read(const FileDescription&, size_t) const
ssize_t ZeroDevice::read(FileDescription&, size_t, u8* buffer, ssize_t size)
{
ssize_t count = min(PAGE_SIZE, size);
ssize_t count = min(static_cast<ssize_t>(PAGE_SIZE), size);
memset(buffer, 0, (size_t)count);
return count;
}
ssize_t ZeroDevice::write(FileDescription&, size_t, const u8*, ssize_t size)
{
return min(PAGE_SIZE, size);
return min(static_cast<ssize_t>(PAGE_SIZE), size);
}
}

2
Kernel/FileSystem/FileDescription.cpp
View file

@ -179,7 +179,7 @@ ssize_t FileDescription::get_dir_entries(u8* buffer, ssize_t size)
if (size < 0)
return -EINVAL;
size_t size_to_allocate = max(PAGE_SIZE, metadata.size);
size_t size_to_allocate = max(static_cast<size_t>(PAGE_SIZE), static_cast<size_t>(metadata.size));
auto temp_buffer = ByteBuffer::create_uninitialized(size_to_allocate);
BufferStream stream(temp_buffer);

2
Kernel/Process.cpp
View file

@ -4259,7 +4259,7 @@ int Process::sys$get_process_name(char* buffer, int buffer_size)
// We don't use the flag yet, but we could use it for distinguishing
// random source like Linux, unlike the OpenBSD equivalent. However, if we
// do, we should be able of the caveats that Linux has dealt with.
int Process::sys$getrandom(void* buffer, size_t buffer_size, unsigned int flags __attribute__((unused)))
ssize_t Process::sys$getrandom(void* buffer, size_t buffer_size, unsigned int flags __attribute__((unused)))
{
REQUIRE_PROMISE(stdio);
if (buffer_size <= 0)