From b25d91f92b22d7a6e2677eea26c1e946fa938c50 Mon Sep 17 00:00:00 2001
From: Josh Megnauth <jo.sh@tutanota.com>
Date: Wed, 13 Aug 2025 02:33:27 -0400
Subject: [PATCH] redox: dirfd, VDISABLE, and resource consts

---
 libc-test/semver/redox.txt | 13 +++++++++++++
 src/unix/redox/mod.rs      | 20 ++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/libc-test/semver/redox.txt b/libc-test/semver/redox.txt
index 3c0bd87f686d4..790f2ac76b398 100644
--- a/libc-test/semver/redox.txt
+++ b/libc-test/semver/redox.txt
@@ -16,6 +16,7 @@ B460800
 B500000
 B576000
 B921600
+BUFSIZ
 DT_UNKNOWN
 EADV
 EBADE
@@ -130,10 +131,17 @@ OLCUC
 O_ASYNC
 O_EXLOCK
 O_FSYNC
+O_NOCTTY
 O_PATH
 O_SHLOCK
 O_SYMLINK
 PTHREAD_STACK_MIN
+RLIM_INFINITY
+RLIM_SAVED_CUR
+RLIM_SAVED_MAX
+RUSAGE_CHILDREN
+RUSAGE_SELF
+RUSAGE_THREAD
 SA_RESTORER
 SCM_RIGHTS
 SIGIO
@@ -172,6 +180,9 @@ VWERASE
 WEXITED
 WNOWAIT
 WSTOPPED
+_IOFBF
+_IOLBF
+_IONBF
 _PC_2_SYMLINKS
 _PC_ALLOC_SIZE_MIN
 _PC_ASYNC_IO
@@ -184,6 +195,7 @@ _PC_REC_XFER_ALIGN
 _PC_SOCK_MAXBUF
 _PC_SYMLINK_MAX
 _PC_SYNC_IO
+_POSIX_VDISABLE
 _SC_LOGIN_NAME_MAX
 _SC_RE_DUP_MAX
 __WALL
@@ -194,6 +206,7 @@ bsearch
 chroot
 clearerr
 difftime
+dirfd
 endgrent
 endpwent
 endservent
diff --git a/src/unix/redox/mod.rs b/src/unix/redox/mod.rs
index 927e43948f565..dfeda2e2b2ed2 100644
--- a/src/unix/redox/mod.rs
+++ b/src/unix/redox/mod.rs
@@ -532,6 +532,7 @@ pub const O_SYMLINK: c_int = 0x4000_0000;
 // Negative to allow it to be used as int
 // FIXME(redox): Fix negative values missing from includes
 pub const O_NOFOLLOW: c_int = -0x8000_0000;
+pub const O_NOCTTY: c_int = 0x00000200;
 
 // locale.h
 pub const LC_ALL: c_int = 0;
@@ -626,6 +627,15 @@ pub const PTHREAD_RWLOCK_INITIALIZER: crate::pthread_rwlock_t = crate::pthread_r
 };
 pub const PTHREAD_STACK_MIN: size_t = 4096;
 
+// sys/resource.h
+pub const RLIM_INFINITY: u64 = !0;
+pub const RLIM_SAVED_CUR: u64 = RLIM_INFINITY;
+pub const RLIM_SAVED_MAX: u64 = RLIM_INFINITY;
+pub const RUSAGE_SELF: c_int = 0;
+pub const RUSAGE_CHILDREN: c_int = -1;
+pub const RUSAGE_BOTH: c_int = -2;
+pub const RUSAGE_THREAD: c_int = 1;
+
 // signal.h
 pub const SIG_BLOCK: c_int = 0;
 pub const SIG_UNBLOCK: c_int = 1;
@@ -935,6 +945,8 @@ pub const TCSANOW: c_int = 0;
 pub const TCSADRAIN: c_int = 1;
 pub const TCSAFLUSH: c_int = 2;
 
+pub const _POSIX_VDISABLE: crate::cc_t = 0;
+
 // sys/wait.h
 pub const WNOHANG: c_int = 1;
 pub const WUNTRACED: c_int = 2;
@@ -984,6 +996,11 @@ pub const R_OK: c_int = 4;
 pub const W_OK: c_int = 2;
 pub const X_OK: c_int = 1;
 
+// stdio.h
+pub const BUFSIZ: c_uint = 1024;
+pub const _IOFBF: c_int = 0;
+pub const _IOLBF: c_int = 1;
+pub const _IONBF: c_int = 2;
 pub const SEEK_SET: c_int = 0;
 pub const SEEK_CUR: c_int = 1;
 pub const SEEK_END: c_int = 2;
@@ -1096,6 +1113,9 @@ extern "C" {
     pub fn __errno_location() -> *mut c_int;
     pub fn strerror_r(errnum: c_int, buf: *mut c_char, buflen: size_t) -> c_int;
 
+    // dirent.h
+    pub fn dirfd(dirp: *mut crate::DIR) -> c_int;
+
     // unistd.h
     pub fn pipe2(fds: *mut c_int, flags: c_int) -> c_int;
     pub fn getdtablesize() -> c_int;