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Kernel+LibC+LibCore+UE: Implement fchmodat(2)

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This function is an extended version of `chmod(2)` that lets one control
whether to dereference symlinks, and specify a file descriptor to a
directory that will be used as the base for relative paths.
This commit is contained in:
Daniel Bertalan 2022-01-11 16:51:34 +01:00 • committed by Andreas Kling
parent 5f71925aa4
commit 182016d7c0
10 changed files with 64 additions and 14 deletions
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8
Userland/Libraries/LibCore/System.cpp
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@ -386,7 +386,13 @@ ErrorOr<void> chmod(StringView pathname, mode_t mode)
return Error::from_syscall("chmod"sv, -EFAULT);
#ifdef __serenity__
int rc = syscall(SC_chmod, pathname.characters_without_null_termination(), pathname.length(), mode);
Syscall::SC_chmod_params params {
AT_FDCWD,
{ pathname.characters_without_null_termination(), pathname.length() },
mode,
true
};
int rc = syscall(SC_chmod, &params);
HANDLE_SYSCALL_RETURN_VALUE("chmod"sv, rc, {});
#else
String path = pathname;