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Kernel: Pass a parameter struct to rename()

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This commit is contained in:
Andreas Kling 2020-01-11 10:36:54 +01:00
parent 46830a0c32
commit e380142853
4 changed files with 23 additions and 8 deletions
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17
Kernel/Process.cpp
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@ -3476,14 +3476,19 @@ int Process::sys$donate(int tid)
return 0;
}
int Process::sys$rename(const char* oldpath, const char* newpath)
int Process::sys$rename(const Syscall::SC_rename_params* user_params)
{
SmapDisabler disabler;
if (!validate_read_str(oldpath))
if (!validate_read_typed(user_params))
return -EFAULT;
if (!validate_read_str(newpath))
return -EFAULT;
return VFS::the().rename(StringView(oldpath), StringView(newpath), current_directory());
Syscall::SC_rename_params params;
copy_from_user(&params, user_params);
auto old_path = get_syscall_path_argument(params.old_path.characters, params.old_path.length);
if (old_path.is_error())
return old_path.error();
auto new_path = get_syscall_path_argument(params.new_path.characters, params.new_path.length);
if (new_path.is_error())
return new_path.error();
return VFS::the().rename(old_path.value(), new_path.value(), current_directory());
}
int Process::sys$ftruncate(int fd, off_t length)