Kernel+LibC: Implement readlinkat(2)

Co-Authored-By: Daniel Bertalan <dani@danielbertalan.dev>
Author: https://github.com/sin-ack Commit: 6445a706cf Pull-request: https://github.com/SerenityOS/serenity/pull/15428 Reviewed-by: https://github.com/ADKaster ✅ Reviewed-by: https://github.com/AtkinsSJ Reviewed-by: https://github.com/BertalanD Reviewed-by: https://github.com/linusg Reviewed-by: https://github.com/timschumi
2025-07-31 05:09:12 +00:00 · 2022-10-01 11:20:08 +00:00 · 2022-10-01 11:20:08 +00:00 · 6445a706cf · 2024-07-17 07:08:37 +09:00
commit 6445a706cf
parent 9850a69cd1
6 changed files with 16 additions and 6 deletions
--- a/Userland/Libraries/LibCore/System.cpp
+++ b/Userland/Libraries/LibCore/System.cpp
@ -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));