RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 04:47:35 +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/TTY/MasterPTY.cpp
View file

@ -60,17 +60,17 @@ String MasterPTY::pts_name() const
return m_pts_name;
}
ssize_t MasterPTY::read(FileDescription&, size_t, u8* buffer, ssize_t size)
KResultOr<size_t> MasterPTY::read(FileDescription&, size_t, u8* buffer, size_t size)
{
if (!m_slave && m_buffer.is_empty())
return 0;
return m_buffer.read(buffer, size);
}
ssize_t MasterPTY::write(FileDescription&, size_t, const u8* buffer, ssize_t size)
KResultOr<size_t> MasterPTY::write(FileDescription&, size_t, const u8* buffer, size_t size)
{
if (!m_slave)
return -EIO;
return KResult(-EIO);
m_slave->on_master_write(buffer, size);
return size;
}