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Kernel+LibC: Implement readlinkat(2)

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Co-Authored-By: Daniel Bertalan <dani@danielbertalan.dev>
This commit is contained in:
sin-ack 2022-10-01 11:20:08 +00:00 • committed by Andrew Kaster
parent 9850a69cd1
commit 6445a706cf
6 changed files with 16 additions and 6 deletions
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5
Userland/Libraries/LibCore/System.cpp
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@ -1386,8 +1386,9 @@ ErrorOr<DeprecatedString> readlink(StringView pathname)
char data[PATH_MAX];
#ifdef AK_OS_SERENITY
Syscall::SC_readlink_params small_params {
{ pathname.characters_without_null_termination(), pathname.length() },
{ data, sizeof(data) }
.path = { pathname.characters_without_null_termination(), pathname.length() },
.buffer = { data, sizeof(data) },
.dirfd = AT_FDCWD,
};
int rc = syscall(SC_readlink, &small_params);
HANDLE_SYSCALL_RETURN_VALUE("readlink", rc, DeprecatedString(data, rc));