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Kernel: Use Userspace<T> in more syscalls

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This commit is contained in:
Andreas Kling 2020-08-01 11:37:40 +02:00
parent 6c1ba09fbd
commit 8d4d1c7457
4 changed files with 11 additions and 15 deletions
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9
Kernel/Syscalls/process.cpp
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@ -55,23 +55,20 @@ int Process::sys$set_process_icon(int icon_id)
return 0;
}
int Process::sys$get_process_name(char* buffer, int buffer_size)
int Process::sys$get_process_name(Userspace<char*> buffer, size_t buffer_size)
{
REQUIRE_PROMISE(stdio);
if (buffer_size <= 0)
return -EINVAL;
if (!validate_write(buffer, buffer_size))
return -EFAULT;
if (m_name.length() + 1 > (size_t)buffer_size)
if (m_name.length() + 1 > buffer_size)
return -ENAMETOOLONG;
copy_to_user(buffer, m_name.characters(), m_name.length() + 1);
return 0;
}
int Process::sys$set_process_name(const char* user_name, size_t user_name_length)
int Process::sys$set_process_name(Userspace<const char*> user_name, size_t user_name_length)
{
REQUIRE_PROMISE(proc);
if (user_name_length > 256)