Auto merge of #2522 - rtzoeller:dfly_handle_deprecations, r=JohnTitor

Fix/remove deprecated DragonFly items

These items were recently deprecated on DragonFly, either because the platform does not define them or because they were out of date.

Author: bors

libc-test/semver/dragonfly.txt

@@ -288,7 +288,7 @@ Elf64_Word
 Elf64_Xword
 FILENAME_MAX
 FIOASYNC
-FIODGNAME
+FIODNAME
 FIODTYPE
 FIOGETLBA
 FIOGETOWN
@@ -1044,7 +1044,6 @@ WNOWAIT
 WSTOPPED
 WTRAPPED
 XUCRED_VERSION
-XU_NGROUPS
 YESEXPR
 YESSTR
 _IOFBF

src/unix/bsd/freebsdlike/dragonfly/mod.rs

@@ -106,11 +106,6 @@ s! {
         pub f_uid_uuid: ::uuid_t,
     }
 
-    #[deprecated(
-        since = "0.2.107",
-        note = "stat.st_blksize is an i64 and stat.st_qspare1 is replaced with \
-                stat.st_blksize in DragonFly 5.8"
-    )]
     pub struct stat {
         pub st_ino: ::ino_t,
         pub st_nlink: ::nlink_t,
@@ -128,11 +123,11 @@ s! {
         pub st_ctime_nsec: ::c_long,
         pub st_size: ::off_t,
         pub st_blocks: i64,
-        pub st_blksize: u32,
+        pub __old_st_blksize: u32,
         pub st_flags: u32,
         pub st_gen: u32,
         pub st_lspare: i32,
-        pub st_qspare1: i64,
+        pub st_blksize: i64,
         pub st_qspare2: i64,
     }
 
@@ -772,9 +767,6 @@ pub const RLIMIT_POSIXLOCKS: ::c_int = 11;
 #[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
 pub const RLIM_NLIMITS: ::rlim_t = 12;
 
-#[deprecated(since = "0.2.105", note = "Only exists on FreeBSD, not DragonFly BSD")]
-pub const XU_NGROUPS: ::c_int = 16;
-
 pub const Q_GETQUOTA: ::c_int = 0x300;
 pub const Q_SETQUOTA: ::c_int = 0x400;
 
@@ -944,11 +936,6 @@ pub const EV_EOF: u16 = 0x8000;
 pub const EV_SYSFLAGS: u16 = 0xf000;
 
 pub const FIODNAME: ::c_ulong = 0x80106678;
-#[deprecated(
-    since = "0.2.106",
-    note = "FIODGNAME is not defined on DragonFly BSD. See FIODNAME."
-)]
-pub const FIODGNAME: ::c_ulong = 0x80106678;
 
 pub const NOTE_TRIGGER: u32 = 0x01000000;
 pub const NOTE_FFNOP: u32 = 0x00000000;
@@ -1433,12 +1420,11 @@ extern "C" {
 
     pub fn aio_waitcomplete(iocbp: *mut *mut aiocb, timeout: *mut ::timespec) -> ::c_int;
 
-    #[deprecated(since = "0.2.107", note = "len should be of type size_t")]
     pub fn devname_r(
         dev: ::dev_t,
         mode: ::mode_t,
         buf: *mut ::c_char,
-        len: ::c_int,
+        len: ::size_t,
     ) -> *mut ::c_char;
 
     pub fn waitid(

src/unix/mod.rs

@@ -699,7 +699,6 @@ extern "C" {
         all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "fstat@FBSD_1.0"
     )]
-    #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
 
     pub fn mkdir(path: *const c_char, mode: mode_t) -> ::c_int;
@@ -713,7 +712,6 @@ extern "C" {
         all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "stat@FBSD_1.0"
     )]
-    #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
 
     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
@@ -798,7 +796,6 @@ extern "C" {
         all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "fstatat@FBSD_1.1"
     )]
-    #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
     pub fn fstatat(
         dirfd: ::c_int,
         pathname: *const ::c_char,
@@ -990,7 +987,6 @@ extern "C" {
         all(target_os = "freebsd", any(freebsd11, freebsd10)),
         link_name = "lstat@FBSD_1.0"
     )]
-    #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
     pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
 
     #[cfg_attr(