Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 468 insertions, 0 deletions

diff --git a/vendor/rustix/src/backend/libc/c.rs b/vendor/rustix/src/backend/libc/c.rs
new file mode 100644
index 0000000..d3a1e5f
--- /dev/null
+++ b/vendor/rustix/src/backend/libc/c.rs
@@ -0,0 +1,468 @@
+//! Libc and supplemental types and constants.
+
+#![allow(unused_imports)]
+
+// Import everything from libc, but we'll add some stuff and override some
+// things below.
+pub(crate) use libc::*;
+
+/// `PROC_SUPER_MAGIC`—The magic number for the procfs filesystem.
+#[cfg(all(linux_kernel, target_env = "musl"))]
+pub(crate) const PROC_SUPER_MAGIC: u32 = 0x0000_9fa0;
+
+/// `NFS_SUPER_MAGIC`—The magic number for the NFS filesystem.
+#[cfg(all(linux_kernel, target_env = "musl"))]
+pub(crate) const NFS_SUPER_MAGIC: u32 = 0x0000_6969;
+
+#[cfg(feature = "process")]
+#[cfg(not(any(target_os = "espidf", target_os = "wasi")))]
+pub(crate) const EXIT_SIGNALED_SIGABRT: c_int = 128 + SIGABRT as c_int;
+
+// TODO: Upstream these.
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_TSN: c_int = linux_raw_sys::if_ether::ETH_P_TSN as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_ERSPAN2: c_int = linux_raw_sys::if_ether::ETH_P_ERSPAN2 as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_ERSPAN: c_int = linux_raw_sys::if_ether::ETH_P_ERSPAN as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_PROFINET: c_int = linux_raw_sys::if_ether::ETH_P_PROFINET as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_REALTEK: c_int = linux_raw_sys::if_ether::ETH_P_REALTEK as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_ETHERCAT: c_int = linux_raw_sys::if_ether::ETH_P_ETHERCAT as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_PREAUTH: c_int = linux_raw_sys::if_ether::ETH_P_PREAUTH as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_LLDP: c_int = linux_raw_sys::if_ether::ETH_P_LLDP as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_MRP: c_int = linux_raw_sys::if_ether::ETH_P_MRP as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_NCSI: c_int = linux_raw_sys::if_ether::ETH_P_NCSI as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_CFM: c_int = linux_raw_sys::if_ether::ETH_P_CFM as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_IBOE: c_int = linux_raw_sys::if_ether::ETH_P_IBOE as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_HSR: c_int = linux_raw_sys::if_ether::ETH_P_HSR as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_NSH: c_int = linux_raw_sys::if_ether::ETH_P_NSH as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_DSA_8021Q: c_int = linux_raw_sys::if_ether::ETH_P_DSA_8021Q as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_DSA_A5PSW: c_int = linux_raw_sys::if_ether::ETH_P_DSA_A5PSW as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_IFE: c_int = linux_raw_sys::if_ether::ETH_P_IFE as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_CAN: c_int = linux_raw_sys::if_ether::ETH_P_CAN as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_CANXL: c_int = linux_raw_sys::if_ether::ETH_P_CANXL as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_XDSA: c_int = linux_raw_sys::if_ether::ETH_P_XDSA as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_MAP: c_int = linux_raw_sys::if_ether::ETH_P_MAP as _;
+#[cfg(all(linux_kernel, feature = "net"))]
+pub(crate) const ETH_P_MCTP: c_int = linux_raw_sys::if_ether::ETH_P_MCTP as _;
+
+#[cfg(all(
+    linux_kernel,
+    any(
+        target_arch = "mips",
+        target_arch = "mips32r6",
+        target_arch = "mips64",
+        target_arch = "mips64r6",
+        target_arch = "sparc",
+        target_arch = "sparc64"
+    )
+))]
+pub(crate) const SIGEMT: c_int = linux_raw_sys::general::SIGEMT as _;
+
+// TODO: Upstream these.
+#[cfg(all(linux_kernel, feature = "termios"))]
+pub(crate) const IUCLC: tcflag_t = linux_raw_sys::general::IUCLC as _;
+#[cfg(all(linux_kernel, feature = "termios"))]
+pub(crate) const XCASE: tcflag_t = linux_raw_sys::general::XCASE as _;
+
+#[cfg(target_os = "aix")]
+pub(crate) const MSG_DONTWAIT: c_int = libc::MSG_NONBLOCK;
+
+// TODO: Remove once https://github.com/rust-lang/libc/pull/3377 is merged and released.
+#[cfg(target_os = "netbsd")]
+#[cfg(feature = "net")]
+pub(crate) const SO_NOSIGPIPE: c_int = 0x0800;
+
+// On PowerPC, the regular `termios` has the `termios2` fields and there is no
+// `termios2`. linux-raw-sys has aliases `termios2` to `termios` to cover this
+// difference, but we still need to manually import it since `libc` doesn't
+// have this.
+#[cfg(all(
+    linux_kernel,
+    feature = "termios",
+    any(target_arch = "powerpc", target_arch = "powerpc64")
+))]
+pub(crate) use {
+    linux_raw_sys::general::{termios2, CIBAUD},
+    linux_raw_sys::ioctl::{TCGETS2, TCSETS2, TCSETSF2, TCSETSW2},
+};
+
+// Automatically enable “large file” support (LFS) features.
+
+#[cfg(target_os = "vxworks")]
+pub(super) use libc::_Vx_ticks64_t as _Vx_ticks_t;
+#[cfg(linux_kernel)]
+pub(super) use libc::fallocate64 as fallocate;
+#[cfg(not(any(target_arch = "aarch64", target_arch = "riscv64")))]
+#[cfg(any(linux_like, target_os = "aix"))]
+pub(super) use libc::open64 as open;
+#[cfg(any(
+    linux_kernel,
+    target_os = "aix",
+    target_os = "hurd",
+    target_os = "l4re"
+))]
+pub(super) use libc::posix_fallocate64 as posix_fallocate;
+#[cfg(any(all(linux_like, not(target_os = "android")), target_os = "aix"))]
+pub(super) use libc::{blkcnt64_t as blkcnt_t, rlim64_t as rlim_t};
+// TODO: AIX has `stat64x`, `fstat64x`, `lstat64x`, and `stat64xat`; add them
+// to the upstream libc crate and implement rustix's `statat` etc. with them.
+#[cfg(target_os = "aix")]
+pub(super) use libc::{
+    blksize64_t as blksize_t, fstat64 as fstat, fstatfs64 as fstatfs, fstatvfs64 as fstatvfs,
+    ftruncate64 as ftruncate, getrlimit64 as getrlimit, ino_t, lseek64 as lseek, mmap,
+    off64_t as off_t, openat, posix_fadvise64 as posix_fadvise, preadv, pwritev,
+    rlimit64 as rlimit, setrlimit64 as setrlimit, stat64at as fstatat, statfs64 as statfs,
+    statvfs64 as statvfs, RLIM_INFINITY,
+};
+#[cfg(any(linux_like, target_os = "hurd"))]
+pub(super) use libc::{
+    fstat64 as fstat, fstatat64 as fstatat, fstatfs64 as fstatfs, fstatvfs64 as fstatvfs,
+    ftruncate64 as ftruncate, getrlimit64 as getrlimit, ino64_t as ino_t, lseek64 as lseek,
+    mmap64 as mmap, off64_t as off_t, openat64 as openat, posix_fadvise64 as posix_fadvise,
+    rlimit64 as rlimit, setrlimit64 as setrlimit, statfs64 as statfs, statvfs64 as statvfs,
+    RLIM64_INFINITY as RLIM_INFINITY,
+};
+#[cfg(apple)]
+pub(super) use libc::{
+    host_info64_t as host_info_t, host_statistics64 as host_statistics,
+    vm_statistics64_t as vm_statistics_t,
+};
+#[cfg(not(all(
+    linux_kernel,
+    any(
+        target_pointer_width = "32",
+        target_arch = "mips64",
+        target_arch = "mips64r6"
+    )
+)))]
+#[cfg(any(linux_like, target_os = "aix", target_os = "hurd"))]
+pub(super) use libc::{lstat64 as lstat, stat64 as stat};
+#[cfg(any(
+    linux_kernel,
+    target_os = "aix",
+    target_os = "hurd",
+    target_os = "emscripten"
+))]
+pub(super) use libc::{pread64 as pread, pwrite64 as pwrite};
+#[cfg(any(target_os = "linux", target_os = "hurd", target_os = "emscripten"))]
+pub(super) use libc::{preadv64 as preadv, pwritev64 as pwritev};
+
+#[cfg(all(target_os = "linux", target_env = "gnu"))]
+pub(super) unsafe fn prlimit(
+    pid: libc::pid_t,
+    resource: libc::__rlimit_resource_t,
+    new_limit: *const libc::rlimit64,
+    old_limit: *mut libc::rlimit64,
+) -> libc::c_int {
+    // `prlimit64` wasn't supported in glibc until 2.13.
+    weak_or_syscall! {
+        fn prlimit64(
+            pid: libc::pid_t,
+            resource: libc::__rlimit_resource_t,
+            new_limit: *const libc::rlimit64,
+            old_limit: *mut libc::rlimit64
+        ) via SYS_prlimit64 -> libc::c_int
+    }
+
+    prlimit64(pid, resource, new_limit, old_limit)
+}
+
+#[cfg(all(target_os = "linux", target_env = "musl"))]
+pub(super) unsafe fn prlimit(
+    pid: libc::pid_t,
+    resource: libc::c_int,
+    new_limit: *const libc::rlimit64,
+    old_limit: *mut libc::rlimit64,
+) -> libc::c_int {
+    weak_or_syscall! {
+        fn prlimit64(
+            pid: libc::pid_t,
+            resource: libc::c_int,
+            new_limit: *const libc::rlimit64,
+            old_limit: *mut libc::rlimit64
+        ) via SYS_prlimit64 -> libc::c_int
+    }
+
+    prlimit64(pid, resource, new_limit, old_limit)
+}
+
+#[cfg(target_os = "android")]
+pub(super) unsafe fn prlimit(
+    pid: libc::pid_t,
+    resource: libc::c_int,
+    new_limit: *const libc::rlimit64,
+    old_limit: *mut libc::rlimit64,
+) -> libc::c_int {
+    weak_or_syscall! {
+        fn prlimit64(
+            pid: libc::pid_t,
+            resource: libc::c_int,
+            new_limit: *const libc::rlimit64,
+            old_limit: *mut libc::rlimit64
+        ) via SYS_prlimit64 -> libc::c_int
+    }
+
+    prlimit64(pid, resource, new_limit, old_limit)
+}
+
+#[cfg(target_os = "android")]
+mod readwrite_pv64 {
+    use super::*;
+
+    pub(in super::super) unsafe fn preadv64(
+        fd: libc::c_int,
+        iov: *const libc::iovec,
+        iovcnt: libc::c_int,
+        offset: libc::off64_t,
+    ) -> libc::ssize_t {
+        // Older Android libc lacks `preadv64`, so use the `weak!` mechanism to
+        // test for it, and call back to `libc::syscall`. We don't use
+        // `weak_or_syscall` here because we need to pass the 64-bit offset
+        // specially.
+        weak! {
+            fn preadv64(libc::c_int, *const libc::iovec, libc::c_int, libc::off64_t) -> libc::ssize_t
+        }
+        if let Some(fun) = preadv64.get() {
+            fun(fd, iov, iovcnt, offset)
+        } else {
+            // Unlike the plain "p" functions, the "pv" functions pass their
+            // offset in an endian-independent way, and always in two registers.
+            syscall! {
+                fn preadv(
+                    fd: libc::c_int,
+                    iov: *const libc::iovec,
+                    iovcnt: libc::c_int,
+                    offset_lo: usize,
+                    offset_hi: usize
+                ) via SYS_preadv -> libc::ssize_t
+            }
+            preadv(fd, iov, iovcnt, offset as usize, (offset >> 32) as usize)
+        }
+    }
+    pub(in super::super) unsafe fn pwritev64(
+        fd: libc::c_int,
+        iov: *const libc::iovec,
+        iovcnt: libc::c_int,
+        offset: libc::off64_t,
+    ) -> libc::ssize_t {
+        // See the comments in `preadv64`.
+        weak! {
+            fn pwritev64(libc::c_int, *const libc::iovec, libc::c_int, libc::off64_t) -> libc::ssize_t
+        }
+        if let Some(fun) = pwritev64.get() {
+            fun(fd, iov, iovcnt, offset)
+        } else {
+            // Unlike the plain "p" functions, the "pv" functions pass their
+            // offset in an endian-independent way, and always in two registers.
+            syscall! {
+                fn pwritev(
+                    fd: libc::c_int,
+                    iov: *const libc::iovec,
+                    iovcnt: libc::c_int,
+                    offset_lo: usize,
+                    offset_hi: usize
+                ) via SYS_pwritev -> libc::ssize_t
+            }
+            pwritev(fd, iov, iovcnt, offset as usize, (offset >> 32) as usize)
+        }
+    }
+}
+#[cfg(target_os = "android")]
+pub(super) use readwrite_pv64::{preadv64 as preadv, pwritev64 as pwritev};
+
+// macOS added `preadv` and `pwritev` in version 11.0.
+#[cfg(apple)]
+mod readwrite_pv {
+    weakcall! {
+        pub(in super::super) fn preadv(
+            fd: libc::c_int,
+            iov: *const libc::iovec,
+            iovcnt: libc::c_int,
+            offset: libc::off_t
+        ) -> libc::ssize_t
+    }
+    weakcall! {
+        pub(in super::super) fn pwritev(
+            fd: libc::c_int,
+            iov: *const libc::iovec,
+            iovcnt: libc::c_int, offset: libc::off_t
+        ) -> libc::ssize_t
+    }
+}
+#[cfg(apple)]
+pub(super) use readwrite_pv::{preadv, pwritev};
+
+// glibc added `preadv64v2` and `pwritev64v2` in version 2.26.
+#[cfg(all(target_os = "linux", target_env = "gnu"))]
+mod readwrite_pv64v2 {
+    use super::*;
+
+    pub(in super::super) unsafe fn preadv64v2(
+        fd: libc::c_int,
+        iov: *const libc::iovec,
+        iovcnt: libc::c_int,
+        offset: libc::off64_t,
+        flags: libc::c_int,
+    ) -> libc::ssize_t {
+        // Older glibc lacks `preadv64v2`, so use the `weak!` mechanism to
+        // test for it, and call back to `libc::syscall`. We don't use
+        // `weak_or_syscall` here because we need to pass the 64-bit offset
+        // specially.
+        weak! {
+            fn preadv64v2(libc::c_int, *const libc::iovec, libc::c_int, libc::off64_t, libc::c_int) -> libc::ssize_t
+        }
+        if let Some(fun) = preadv64v2.get() {
+            fun(fd, iov, iovcnt, offset, flags)
+        } else {
+            // Unlike the plain "p" functions, the "pv" functions pass their
+            // offset in an endian-independent way, and always in two registers.
+            syscall! {
+                fn preadv2(
+                    fd: libc::c_int,
+                    iov: *const libc::iovec,
+                    iovcnt: libc::c_int,
+                    offset_lo: usize,
+                    offset_hi: usize,
+                    flags: libc::c_int
+                ) via SYS_preadv2 -> libc::ssize_t
+            }
+            preadv2(
+                fd,
+                iov,
+                iovcnt,
+                offset as usize,
+                (offset >> 32) as usize,
+                flags,
+            )
+        }
+    }
+    pub(in super::super) unsafe fn pwritev64v2(
+        fd: libc::c_int,
+        iov: *const libc::iovec,
+        iovcnt: libc::c_int,
+        offset: libc::off64_t,
+        flags: libc::c_int,
+    ) -> libc::ssize_t {
+        // See the comments in `preadv64v2`.
+        weak! {
+            fn pwritev64v2(libc::c_int, *const libc::iovec, libc::c_int, libc::off64_t, libc::c_int) -> libc::ssize_t
+        }
+        if let Some(fun) = pwritev64v2.get() {
+            fun(fd, iov, iovcnt, offset, flags)
+        } else {
+            // Unlike the plain "p" functions, the "pv" functions pass their
+            // offset in an endian-independent way, and always in two registers.
+            syscall! {
+                fn pwritev2(
+                    fd: libc::c_int,
+                    iov: *const libc::iovec,
+                    iovec: libc::c_int,
+                    offset_lo: usize,
+                    offset_hi: usize,
+                    flags: libc::c_int
+                ) via SYS_pwritev2 -> libc::ssize_t
+            }
+            pwritev2(
+                fd,
+                iov,
+                iovcnt,
+                offset as usize,
+                (offset >> 32) as usize,
+                flags,
+            )
+        }
+    }
+}
+#[cfg(all(target_os = "linux", target_env = "gnu"))]
+pub(super) use readwrite_pv64v2::{preadv64v2 as preadv2, pwritev64v2 as pwritev2};
+
+// On non-glibc, assume we don't have `pwritev2`/`preadv2` in libc and use
+// `c::syscall` instead.
+#[cfg(any(
+    target_os = "android",
+    all(target_os = "linux", not(target_env = "gnu")),
+))]
+mod readwrite_pv64v2 {
+    use super::*;
+
+    pub(in super::super) unsafe fn preadv64v2(
+        fd: libc::c_int,
+        iov: *const libc::iovec,
+        iovcnt: libc::c_int,
+        offset: libc::off64_t,
+        flags: libc::c_int,
+    ) -> libc::ssize_t {
+        // Unlike the plain "p" functions, the "pv" functions pass their offset
+        // in an endian-independent way, and always in two registers.
+        syscall! {
+            fn preadv2(
+                fd: libc::c_int,
+                iov: *const libc::iovec,
+                iovcnt: libc::c_int,
+                offset_lo: usize,
+                offset_hi: usize,
+                flags: libc::c_int
+            ) via SYS_preadv2 -> libc::ssize_t
+        }
+        preadv2(
+            fd,
+            iov,
+            iovcnt,
+            offset as usize,
+            (offset >> 32) as usize,
+            flags,
+        )
+    }
+    pub(in super::super) unsafe fn pwritev64v2(
+        fd: libc::c_int,
+        iov: *const libc::iovec,
+        iovcnt: libc::c_int,
+        offset: libc::off64_t,
+        flags: libc::c_int,
+    ) -> libc::ssize_t {
+        // Unlike the plain "p" functions, the "pv" functions pass their offset
+        // in an endian-independent way, and always in two registers.
+        syscall! {
+            fn pwritev2(
+                fd: libc::c_int,
+                iov: *const libc::iovec,
+                iovcnt: libc::c_int,
+                offset_lo: usize,
+                offset_hi: usize,
+                flags: libc::c_int
+            ) via SYS_pwritev2 -> libc::ssize_t
+        }
+        pwritev2(
+            fd,
+            iov,
+            iovcnt,
+            offset as usize,
+            (offset >> 32) as usize,
+            flags,
+        )
+    }
+}
+#[cfg(any(
+    target_os = "android",
+    all(target_os = "linux", not(target_env = "gnu")),
+))]
+pub(super) use readwrite_pv64v2::{preadv64v2 as preadv2, pwritev64v2 as pwritev2};