Update libc crate to 0.2.57

This change updates the libc crate to version 0.2.57.

Import subrepo libc/:libc at cdc48ea36d8d2890dba38e8f779001e6855339a2

2 files changed, 244 insertions, 0 deletions

diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs b/libc/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs
new file mode 100644
index 0000000..7d7dc2c
--- /dev/null
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs
@@ -0,0 +1,214 @@
+// APIs that had breaking changes after FreeBSD 11
+
+// The type of `nlink_t` changed from `u16` to `u64` in FreeBSD 12:
+pub type nlink_t = u16;
+// Type of `dev_t` changed from `u32` to `u64` in FreeBSD 12:
+pub type dev_t = u32;
+// Type of `ino_t` changed from `unsigned int` to `unsigned long` in FreeBSD 12:
+pub type ino_t = u32;
+
+s! {
+    pub struct kevent {
+        pub ident: ::uintptr_t,
+        pub filter: ::c_short,
+        pub flags: ::c_ushort,
+        pub fflags: ::c_uint,
+        pub data: ::intptr_t,
+        pub udata: *mut ::c_void,
+    }
+
+    pub struct shmid_ds {
+        pub shm_perm: ::ipc_perm,
+        pub shm_segsz: ::size_t,
+        pub shm_lpid: ::pid_t,
+        pub shm_cpid: ::pid_t,
+        // Type of shm_nattc changed from `int` to `shmatt_t` (aka `unsigned
+        // int`) in FreeBSD 12:
+        pub shm_nattch: ::c_int,
+        pub shm_atime: ::time_t,
+        pub shm_dtime: ::time_t,
+        pub shm_ctime: ::time_t,
+    }
+}
+
+s_no_extra_traits! {
+    pub struct dirent {
+        pub d_fileno: ::ino_t,
+        pub d_reclen: u16,
+        pub d_type: u8,
+        // Type of `d_namlen` changed from `char` to `u16` in FreeBSD 12:
+        pub d_namlen: u8,
+        pub d_name: [::c_char; 256],
+    }
+
+    pub struct statfs {
+        pub f_version: u32,
+        pub f_type: u32,
+        pub f_flags: u64,
+        pub f_bsize: u64,
+        pub f_iosize: u64,
+        pub f_blocks: u64,
+        pub f_bfree: u64,
+        pub f_bavail: i64,
+        pub f_files: u64,
+        pub f_ffree: i64,
+        pub f_syncwrites: u64,
+        pub f_asyncwrites: u64,
+        pub f_syncreads: u64,
+        pub f_asyncreads: u64,
+        f_spare: [u64; 10],
+        pub f_namemax: u32,
+        pub f_owner: ::uid_t,
+        pub f_fsid: ::fsid_t,
+        f_charspare: [::c_char; 80],
+        pub f_fstypename: [::c_char; 16],
+        // Array length changed from 88 to 1024 in FreeBSD 12:
+        pub f_mntfromname: [::c_char; 88],
+        // Array length changed from 88 to 1024 in FreeBSD 12:
+        pub f_mntonname: [::c_char; 88],
+    }
+}
+
+cfg_if! {
+    if #[cfg(feature = "extra_traits")] {
+        impl PartialEq for statfs {
+            fn eq(&self, other: &statfs) -> bool {
+                self.f_version == other.f_version
+                    && self.f_type == other.f_type
+                    && self.f_flags == other.f_flags
+                    && self.f_bsize == other.f_bsize
+                    && self.f_iosize == other.f_iosize
+                    && self.f_blocks == other.f_blocks
+                    && self.f_bfree == other.f_bfree
+                    && self.f_bavail == other.f_bavail
+                    && self.f_files == other.f_files
+                    && self.f_ffree == other.f_ffree
+                    && self.f_syncwrites == other.f_syncwrites
+                    && self.f_asyncwrites == other.f_asyncwrites
+                    && self.f_syncreads == other.f_syncreads
+                    && self.f_asyncreads == other.f_asyncreads
+                    && self.f_namemax == other.f_namemax
+                    && self.f_owner == other.f_owner
+                    && self.f_fsid == other.f_fsid
+                    && self.f_fstypename == other.f_fstypename
+                    && self
+                    .f_mntfromname
+                    .iter()
+                    .zip(other.f_mntfromname.iter())
+                    .all(|(a,b)| a == b)
+                    && self
+                    .f_mntonname
+                    .iter()
+                    .zip(other.f_mntonname.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for statfs {}
+        impl ::fmt::Debug for statfs {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("statfs")
+                    .field("f_bsize", &self.f_bsize)
+                    .field("f_iosize", &self.f_iosize)
+                    .field("f_blocks", &self.f_blocks)
+                    .field("f_bfree", &self.f_bfree)
+                    .field("f_bavail", &self.f_bavail)
+                    .field("f_files", &self.f_files)
+                    .field("f_ffree", &self.f_ffree)
+                    .field("f_syncwrites", &self.f_syncwrites)
+                    .field("f_asyncwrites", &self.f_asyncwrites)
+                    .field("f_syncreads", &self.f_syncreads)
+                    .field("f_asyncreads", &self.f_asyncreads)
+                    .field("f_namemax", &self.f_namemax)
+                    .field("f_owner", &self.f_owner)
+                    .field("f_fsid", &self.f_fsid)
+                    .field("f_fstypename", &self.f_fstypename)
+                    .field("f_mntfromname", &&self.f_mntfromname[..])
+                    .field("f_mntonname", &&self.f_mntonname[..])
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for statfs {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.f_version.hash(state);
+                self.f_type.hash(state);
+                self.f_flags.hash(state);
+                self.f_bsize.hash(state);
+                self.f_iosize.hash(state);
+                self.f_blocks.hash(state);
+                self.f_bfree.hash(state);
+                self.f_bavail.hash(state);
+                self.f_files.hash(state);
+                self.f_ffree.hash(state);
+                self.f_syncwrites.hash(state);
+                self.f_asyncwrites.hash(state);
+                self.f_syncreads.hash(state);
+                self.f_asyncreads.hash(state);
+                self.f_namemax.hash(state);
+                self.f_owner.hash(state);
+                self.f_fsid.hash(state);
+                self.f_fstypename.hash(state);
+                self.f_mntfromname.hash(state);
+                self.f_mntonname.hash(state);
+            }
+        }
+
+        impl PartialEq for dirent {
+            fn eq(&self, other: &dirent) -> bool {
+                self.d_fileno == other.d_fileno
+                    && self.d_reclen == other.d_reclen
+                    && self.d_type == other.d_type
+                    && self.d_namlen == other.d_namlen
+                    && self
+                    .d_name[..self.d_namlen as _]
+                    .iter()
+                    .zip(other.d_name.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for dirent {}
+        impl ::fmt::Debug for dirent {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("dirent")
+                    .field("d_fileno", &self.d_fileno)
+                    .field("d_reclen", &self.d_reclen)
+                    .field("d_type", &self.d_type)
+                    .field("d_namlen", &self.d_namlen)
+                    .field("d_name", &&self.d_name[..self.d_namlen as _])
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for dirent {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.d_fileno.hash(state);
+                self.d_reclen.hash(state);
+                self.d_type.hash(state);
+                self.d_namlen.hash(state);
+                self.d_name[..self.d_namlen as _].hash(state);
+            }
+        }
+    }
+}
+
+extern {
+    // Return type ::c_int was removed in FreeBSD 12
+    pub fn setgrent() -> ::c_int;
+
+    // Type of `addr` argument changed from `const void*` to `void*`
+    // in FreeBSD 12
+    pub fn mprotect(addr: *const ::c_void, len: ::size_t, prot: ::c_int)
+                    -> ::c_int;
+
+    // Return type ::c_int was removed in FreeBSD 12
+    pub fn freelocale(loc: ::locale_t) -> ::c_int;
+
+    // Return type ::c_int changed to ::ssize_t in FreeBSD 12:
+    pub fn msgrcv(msqid: ::c_int, msgp: *mut ::c_void, msgsz: ::size_t,
+                  msgtyp: ::c_long, msgflg: ::c_int) -> ::c_int;
+}
+
+cfg_if! {
+    if #[cfg(target_arch = "x86_64")] {
+        mod x86_64;
+        pub use self::x86_64::*;
+    }
+}
diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/freebsd11/x86_64.rs b/libc/src/unix/bsd/freebsdlike/freebsd/freebsd11/x86_64.rs
new file mode 100644
index 0000000..bba277e
--- /dev/null
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/freebsd11/x86_64.rs
@@ -0,0 +1,30 @@
+#[repr(C)]
+#[cfg_attr(feature = "extra_traits", derive(Debug, Eq, Hash, PartialEq))]
+pub struct stat {
+    pub st_dev: ::dev_t,
+    pub st_ino: ::ino_t,
+    pub st_mode: ::mode_t,
+    pub st_nlink: ::nlink_t,
+    pub st_uid: ::uid_t,
+    pub st_gid: ::gid_t,
+    pub st_rdev: ::dev_t,
+    pub st_atime: ::time_t,
+    pub st_atime_nsec: ::c_long,
+    pub st_mtime: ::time_t,
+    pub st_mtime_nsec: ::c_long,
+    pub st_ctime: ::time_t,
+    pub st_ctime_nsec: ::c_long,
+    pub st_size: ::off_t,
+    pub st_blocks: ::blkcnt_t,
+    pub st_blksize: ::blksize_t,
+    pub st_flags: ::fflags_t,
+    pub st_gen: u32,
+    pub st_lspare: i32,
+    pub st_birthtime: ::time_t,
+    pub st_birthtime_nsec: ::c_long,
+}
+
+impl ::Copy for ::stat {}
+impl ::Clone for ::stat {
+    fn clone(&self) -> ::stat { *self }
+}