1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 02:57:44 +00:00

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

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

View file

@ -47,8 +47,8 @@ private:
virtual const char* class_name() const override { return "BXVGA"; }
virtual bool can_read(const FileDescription&, size_t) const override { return true; }
virtual bool can_write(const FileDescription&, size_t) const override { return true; }
virtual ssize_t read(FileDescription&, size_t, u8*, ssize_t) override { return -EINVAL; }
virtual ssize_t write(FileDescription&, size_t, const u8*, ssize_t) override { return -EINVAL; }
virtual KResultOr<size_t> read(FileDescription&, size_t, u8*, size_t) override { return -EINVAL; }
virtual KResultOr<size_t> write(FileDescription&, size_t, const u8*, size_t) override { return -EINVAL; }
virtual bool read_blocks(unsigned, u16, u8*) override { return false; }
virtual bool write_blocks(unsigned, u16, const u8*) override { return false; }