add major/minor on BSDs/illumos

Author: SteveLauC

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

@@ -1577,6 +1577,14 @@ f! {
         let (idx, offset) = ((cpu >> 6) & 3, cpu & 63);
         0 != cpuset.ary[idx] & (1 << offset)
     }
+
+    pub fn major(dev: ::dev_t) -> ::c_int {
+         ((dev >> 8) & 0xff) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        (dev & 0xffff00ff) as ::c_int
+    }
 }
 
 safe_f! {

src/unix/bsd/freebsdlike/freebsd/freebsd11/mod.rs

@@ -442,6 +442,16 @@ safe_f! {
     }
 }
 
+f! {
+    pub fn major(dev: ::dev_t) -> ::c_int {
+         ((dev >> 8) & 0xff) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        (dev & 0xffff00ff) as ::c_int
+    }
+}
+
 extern "C" {
     // Return type ::c_int was removed in FreeBSD 12
     pub fn setgrent() -> ::c_int;

src/unix/bsd/freebsdlike/freebsd/freebsd12/mod.rs

@@ -462,6 +462,16 @@ safe_f! {
     }
 }
 
+f! {
+    pub fn major(dev: ::dev_t) -> ::c_int {
+        (((dev >> 32) & 0xffffff00) | ((dev >> 8) & 0xff)) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        (((dev >> 24) & 0xff00) | (dev & 0xffff00ff)) as ::c_int
+    }
+}
+
 extern "C" {
     pub fn setgrent();
     pub fn mprotect(addr: *mut ::c_void, len: ::size_t, prot: ::c_int) -> ::c_int;

src/unix/bsd/freebsdlike/freebsd/freebsd13/mod.rs

@@ -481,6 +481,16 @@ safe_f! {
     }
 }
 
+f! {
+    pub fn major(dev: ::dev_t) -> ::c_int {
+        (((dev >> 32) & 0xffffff00) | ((dev >> 8) & 0xff)) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        (((dev >> 24) & 0xff00) | (dev & 0xffff00ff)) as ::c_int
+    }
+}
+
 extern "C" {
     pub fn setgrent();
     pub fn mprotect(addr: *mut ::c_void, len: ::size_t, prot: ::c_int) -> ::c_int;

src/unix/bsd/freebsdlike/freebsd/freebsd14/mod.rs

@@ -481,6 +481,16 @@ safe_f! {
     }
 }
 
+f! {
+    pub fn major(dev: ::dev_t) -> ::c_int {
+        (((dev >> 32) & 0xffffff00) | ((dev >> 8) & 0xff)) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        (((dev >> 24) & 0xff00) | (dev & 0xffff00ff)) as ::c_int
+    }
+}
+
 extern "C" {
     pub fn setgrent();
     pub fn mprotect(addr: *mut ::c_void, len: ::size_t, prot: ::c_int) -> ::c_int;

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -2383,6 +2383,17 @@ f! {
     pub fn PROT_MPROTECT_EXTRACT(x: ::c_int) -> ::c_int {
         (x >> 3) & 0x7
     }
+
+    pub fn major(dev: ::dev_t) -> ::c_int {
+        (((dev as u32) & 0x000fff00) >>  8) as ::c_int
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_int {
+        let mut res = 0;
+        res |= ((dev as u32) & 0xfff00000) >> 12;
+        res |= ((dev as u32) & 0x000000ff);
+        res as ::c_int
+    }
 }
 
 safe_f! {

src/unix/bsd/netbsdlike/openbsd/mod.rs

@@ -1709,6 +1709,19 @@ f! {
         (_ALIGN(::mem::size_of::<::cmsghdr>()) + _ALIGN(length as usize))
             as ::c_uint
     }
+
+    pub fn major(dev: ::dev_t) -> ::c_uint{
+        ((dev as ::c_uint) >> 8) & 0xff
+    }
+
+    pub fn minor(dev: ::dev_t) -> ::c_uint {
+        let dev = dev as ::c_uint;
+        let mut res = 0;
+        res |= (dev) & 0xff;
+        res |= ((dev) & 0xffff0000) >> 8;
+
+        res
+    }
 }
 
 safe_f! {

src/unix/solarish/mod.rs

@@ -2652,6 +2652,20 @@ f! {
             *slot = 0;
         }
     }
+
+    pub fn major(device: ::dev_t) -> ::major_t {
+         ((device >> 8) & 0xff) as ::major_t
+    }
+
+    pub fn minor(device: ::dev_t) -> ::minor_t {
+        (device & 0xffff00ff) as ::minor_t
+    }
+
+    pub fn makedev(maj: ::major_t, min: ::minor_t) -> ::dev_t {
+        let major = maj as ::dev_t;
+        let minor = min as ::dev_t;
+        (major << 8) | minor
+    }
 }
 
 safe_f! {