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AK+Everywhere: Remove the null state of DeprecatedString

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This commit removes DeprecatedString's "null" state, and replaces all
its users with one of the following:
- A normal, empty DeprecatedString
- Optional<DeprecatedString>

Note that null states of DeprecatedFlyString/StringView/etc are *not*
affected by this commit. However, DeprecatedString::empty() is now
considered equal to a null StringView.
This commit is contained in:
Ali Mohammad Pur 2023-10-10 15:00:58 +03:30 • committed by Ali Mohammad Pur
parent daf6d8173c
commit aeee98b3a1
189 changed files with 597 additions and 652 deletions
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25
Userland/Libraries/LibCore/System.cpp
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@ -189,29 +189,40 @@ static ErrorOr<void> unveil_dynamic_loader()
ErrorOr<void> unveil(StringView path, StringView permissions)
{
auto const parsed_path = TRY(Core::SessionManagement::parse_path_with_sid(path));
if (permissions.contains('x'))
TRY(unveil_dynamic_loader());
Syscall::SC_unveil_params params {
static_cast<int>(UnveilFlags::CurrentProgram),
{ parsed_path.characters(), parsed_path.length() },
{ permissions.characters_without_null_termination(), permissions.length() },
{ nullptr, 0 },
{ nullptr, 0 },
};
DeprecatedString parsed_path;
if (!path.is_null()) {
parsed_path = TRY(Core::SessionManagement::parse_path_with_sid(path));
params.path = { parsed_path.characters(), parsed_path.length() };
params.permissions = { permissions.characters_without_null_termination(), permissions.length() };
}
int rc = syscall(SC_unveil, &params);
HANDLE_SYSCALL_RETURN_VALUE("unveil", rc, {});
}
ErrorOr<void> unveil_after_exec(StringView path, StringView permissions)
{
auto const parsed_path = TRY(Core::SessionManagement::parse_path_with_sid(path));
DeprecatedString parsed_path;
Syscall::SC_unveil_params params {
static_cast<int>(UnveilFlags::AfterExec),
{ parsed_path.characters(), parsed_path.length() },
{ nullptr, 0 },
{ permissions.characters_without_null_termination(), permissions.length() },
};
if (!path.is_null()) {
parsed_path = TRY(Core::SessionManagement::parse_path_with_sid(path));
params.path = { parsed_path.characters(), parsed_path.length() };
}
int rc = syscall(SC_unveil, &params);
HANDLE_SYSCALL_RETURN_VALUE("unveil", rc, {});
}