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Kernel: Make all syscall functions return KResultOr<T>

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This makes it a lot easier to return errors since we no longer have to
worry about negating EFOO errors and can just return them flat.
This commit is contained in:
Andreas Kling 2021-03-01 13:49:16 +01:00
parent 9af1e1a3bf
commit ac71775de5
70 changed files with 747 additions and 742 deletions
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8
Kernel/Syscalls/ftruncate.cpp
View file

@ -29,16 +29,16 @@
namespace Kernel {
int Process::sys$ftruncate(int fd, off_t length)
KResultOr<int> Process::sys$ftruncate(int fd, off_t length)
{
REQUIRE_PROMISE(stdio);
if (length < 0)
return -EINVAL;
return EINVAL;
auto description = file_description(fd);
if (!description)
return -EBADF;
return EBADF;
if (!description->is_writable())
return -EBADF;
return EBADF;
return description->truncate(static_cast<u64>(length));
}