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AK: Make Vector::try_* functions return ErrorOr<void>

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Instead of signalling allocation failure with a bool return value
(false), we now use ErrorOr<void> and return ENOMEM as appropriate.
This allows us to use TRY() and MUST() with Vector. :^)
This commit is contained in:
Andreas Kling 2021-11-10 11:55:37 +01:00
parent cd49f30bea
commit 88b6428c25
16 changed files with 98 additions and 152 deletions
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3
Kernel/Syscalls/write.cpp
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@ -24,8 +24,7 @@ ErrorOr<FlatPtr> Process::sys$writev(int fd, Userspace<const struct iovec*> iov,
u64 total_length = 0;
Vector<iovec, 32> vecs;
if (!vecs.try_resize(iov_count))
return ENOMEM;
TRY(vecs.try_resize(iov_count));
TRY(copy_n_from_user(vecs.data(), iov, iov_count));
for (auto& vec : vecs) {
total_length += vec.iov_len;