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Kernel: Convert Process::get_syscall_path_argument() to KString

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This API now returns a KResultOr<NonnullOwnPtr<KString>> and allocation
failures should be propagated everywhere nicely. :^)
This commit is contained in:
Andreas Kling 2021-05-29 16:59:40 +02:00
parent 66f3ec687b
commit 1123af361d
25 changed files with 42 additions and 42 deletions
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12
Kernel/Process.cpp
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@ -434,19 +434,19 @@ Custody& Process::current_directory()
return *m_cwd;
}
KResultOr<String> Process::get_syscall_path_argument(const char* user_path, size_t path_length) const
KResultOr<NonnullOwnPtr<KString>> Process::get_syscall_path_argument(char const* user_path, size_t path_length) const
{
if (path_length == 0)
return EINVAL;
if (path_length > PATH_MAX)
return ENAMETOOLONG;
auto copied_string = copy_string_from_user(user_path, path_length);
if (copied_string.is_null())
return EFAULT;
return copied_string;
auto string_or_error = try_copy_kstring_from_user(user_path, path_length);
if (string_or_error.is_error())
return string_or_error.error();
return string_or_error.release_value();
}
KResultOr<String> Process::get_syscall_path_argument(const Syscall::StringArgument& path) const
KResultOr<NonnullOwnPtr<KString>> Process::get_syscall_path_argument(Syscall::StringArgument const& path) const
{
return get_syscall_path_argument(path.characters, path.length);
}