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LibCore: Add syscall wrapper for chown()

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Kenneth Myhra 2021-11-27 15:23:16 +01:00 committed by Brian Gianforcaro
parent 59d299955e
commit 52a451dcff
Notes: sideshowbarker 2024-07-17 22:56:57 +09:00 
Author: https://github.com/kennethmyhra
Commit: https://github.com/SerenityOS/serenity/commit/52a451dcff3
Pull-request: https://github.com/SerenityOS/serenity/pull/11101
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bgianfo ✅
Reviewed-by: https://github.com/creator1creeper1 ✅
Reviewed-by: https://github.com/kleinesfilmroellchen ✅
2 changed files with 19 additions and 0 deletions
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17
Userland/Libraries/LibCore/System.cpp
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@ -307,4 +307,21 @@ ErrorOr<void> chmod(StringView pathname, mode_t mode)
#endif
}
ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid)
{
if (!pathname.characters_without_null_termination())
return Error::from_syscall("chown"sv, -EFAULT);
#ifdef __serenity__
Syscall::SC_chown_params params = { { pathname.characters_without_null_termination(), pathname.length() }, uid, gid };
int rc = syscall(SC_chown, &params);
HANDLE_SYSCALL_RETURN_VALUE("chown"sv, rc, {});
#else
String path = pathname;
if (::chown(path.characters(), uid, gid) < 0)
return Error::from_syscall("chown"sv, -errno);
return {};
#endif
}
}

2
Userland/Libraries/LibCore/System.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Kenneth Myhra <kennethmyhra@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -43,5 +44,6 @@ ErrorOr<void> ioctl(int fd, unsigned request, ...);
ErrorOr<struct termios> tcgetattr(int fd);
ErrorOr<void> tcsetattr(int fd, int optional_actions, struct termios const&);
ErrorOr<void> chmod(StringView pathname, mode_t mode);
ErrorOr<void> chown(StringView pathname, uid_t uid, gid_t gid);
}