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AK: Make string-to-number conversion helpers return Optional

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Get rid of the weird old signature:

- int StringType::to_int(bool& ok) const

And replace it with sensible new signature:

- Optional<int> StringType::to_int() const
This commit is contained in:
Andreas Kling
2020-06-12 21:07:52 +02:00
parent 15f4043a7a
commit fdfda6dec2
55 changed files with 354 additions and 455 deletions
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40
Kernel/FileSystem/ProcFS.cpp
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@@ -1356,17 +1356,16 @@ RefPtr<Inode> ProcFSInode::lookup(StringView name)
}
}
}
bool ok;
unsigned name_as_number = name.to_uint(ok);
if (ok) {
bool process_exists = false;
{
InterruptDisabler disabler;
process_exists = Process::from_pid(name_as_number);
}
if (process_exists)
return fs().get_inode(to_identifier(fsid(), PDI_Root, name_as_number, FI_PID));
auto name_as_number = name.to_uint();
if (!name_as_number.has_value())
return {};
bool process_exists = false;
{
InterruptDisabler disabler;
process_exists = Process::from_pid(name_as_number.value());
}
if (process_exists)
return fs().get_inode(to_identifier(fsid(), PDI_Root, name_as_number.value(), FI_PID));
return {};
}
@@ -1413,18 +1412,17 @@ RefPtr<Inode> ProcFSInode::lookup(StringView name)
}
if (proc_file_type == FI_PID_fd) {
bool ok;
unsigned name_as_number = name.to_uint(ok);
if (ok) {
bool fd_exists = false;
{
InterruptDisabler disabler;
if (auto* process = Process::from_pid(to_pid(identifier())))
fd_exists = process->file_description(name_as_number);
}
if (fd_exists)
return fs().get_inode(to_identifier_with_fd(fsid(), to_pid(identifier()), name_as_number));
auto name_as_number = name.to_uint();
if (!name_as_number.has_value())
return {};
bool fd_exists = false;
{
InterruptDisabler disabler;
if (auto* process = Process::from_pid(to_pid(identifier())))
fd_exists = process->file_description(name_as_number.value());
}
if (fd_exists)
return fs().get_inode(to_identifier_with_fd(fsid(), to_pid(identifier()), name_as_number.value()));
}
return {};
}