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LibCore: Add syscall wrapper for chmod()

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Kenneth Myhra 2021-11-27 15:46:11 +01:00 committed by Brian Gianforcaro
parent 294cb3cef4
commit 0d76d15f9d
Notes: sideshowbarker 2024-07-17 23:11:10 +09:00 
Author: https://github.com/kennethmyhra
Commit: https://github.com/SerenityOS/serenity/commit/0d76d15f9d1
Pull-request: https://github.com/SerenityOS/serenity/pull/11168
Reviewed-by: https://github.com/bgianfo ✅
2 changed files with 17 additions and 0 deletions
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16
Userland/Libraries/LibCore/System.cpp
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@ -275,4 +275,20 @@ ErrorOr<void> tcsetattr(int fd, int optional_actions, struct termios const& ios)
return {};
}
ErrorOr<void> chmod(StringView pathname, mode_t mode)
{
if (!pathname.characters_without_null_termination())
return Error::from_syscall("chmod"sv, -EFAULT);
#ifdef __serenity__
int rc = syscall(SC_chmod, pathname.characters_without_null_termination(), pathname.length(), mode);
HANDLE_SYSCALL_RETURN_VALUE("chmod"sv, rc, {});
#else
String path = pathname;
if (::chmod(path.characters(), mode) < 0)
return Error::from_syscall("chmod"sv, -errno);
return {};
#endif
}
}

1
Userland/Libraries/LibCore/System.h
View File

@ -41,5 +41,6 @@ ErrorOr<String> gethostname();
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);
}