summaryrefslogtreecommitdiffstats
path: root/vendor/rustix/src/imp/linux_raw/fs/makedev.rs
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /vendor/rustix/src/imp/linux_raw/fs/makedev.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/rustix/src/imp/linux_raw/fs/makedev.rs')
-rw-r--r--vendor/rustix/src/imp/linux_raw/fs/makedev.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/vendor/rustix/src/imp/linux_raw/fs/makedev.rs b/vendor/rustix/src/imp/linux_raw/fs/makedev.rs
new file mode 100644
index 000000000..284ba2f10
--- /dev/null
+++ b/vendor/rustix/src/imp/linux_raw/fs/makedev.rs
@@ -0,0 +1,19 @@
+use crate::fs::Dev;
+
+#[inline]
+pub(crate) fn makedev(maj: u32, min: u32) -> Dev {
+ ((u64::from(maj) & 0xffff_f000_u64) << 32)
+ | ((u64::from(maj) & 0x0000_0fff_u64) << 8)
+ | ((u64::from(min) & 0xffff_ff00_u64) << 12)
+ | (u64::from(min) & 0x0000_00ff_u64)
+}
+
+#[inline]
+pub(crate) fn major(dev: Dev) -> u32 {
+ (((dev >> 31 >> 1) & 0xffff_f000) | ((dev >> 8) & 0x0000_0fff)) as u32
+}
+
+#[inline]
+pub(crate) fn minor(dev: Dev) -> u32 {
+ (((dev >> 12) & 0xffff_ff00) | (dev & 0x0000_00ff)) as u32
+}