RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 13:48:12 +00:00
Code Issues Activity Actions

Kernel: Make File::write() and File::read() return KResultOr<size_t>

Browse source 
Instead of returning a ssize_t where negative values mean error,
we now return KResultOr<size_t> and use the error state to report
errors exclusively.
This commit is contained in:
Andreas Kling 2020-08-04 18:02:23 +02:00
parent 58feebeed2
commit 7a3ab6c517
58 changed files with 223 additions and 229 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Kernel/Devices/KeyboardDevice.cpp
View file

@ -366,9 +366,9 @@ bool KeyboardDevice::can_read(const FileDescription&, size_t) const
return !m_queue.is_empty();
}
ssize_t KeyboardDevice::read(FileDescription&, size_t, u8* buffer, ssize_t size)
KResultOr<size_t> KeyboardDevice::read(FileDescription&, size_t, u8* buffer, size_t size)
{
ssize_t nread = 0;
size_t nread = 0;
while (nread < size) {
if (m_queue.is_empty())
break;
@ -382,7 +382,7 @@ ssize_t KeyboardDevice::read(FileDescription&, size_t, u8* buffer, ssize_t size)
return nread;
}
ssize_t KeyboardDevice::write(FileDescription&, size_t, const u8*, ssize_t)
KResultOr<size_t> KeyboardDevice::write(FileDescription&, size_t, const u8*, size_t)
{
return 0;
}