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authorValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
committerValentin Popov <valentin@popov.link>2024-01-08 00:21:28 +0300
commit1b6a04ca5504955c571d1c97504fb45ea0befee4 (patch)
tree7579f518b23313e8a9748a88ab6173d5e030b227 /vendor/rustix/src/backend/linux_raw/fs/makedev.rs
parent5ecd8cf2cba827454317368b68571df0d13d7842 (diff)
downloadfparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.tar.xz
fparkan-1b6a04ca5504955c571d1c97504fb45ea0befee4.zip
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
Diffstat (limited to 'vendor/rustix/src/backend/linux_raw/fs/makedev.rs')
-rw-r--r--vendor/rustix/src/backend/linux_raw/fs/makedev.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/fs/makedev.rs b/vendor/rustix/src/backend/linux_raw/fs/makedev.rs
new file mode 100644
index 0000000..284ba2f
--- /dev/null
+++ b/vendor/rustix/src/backend/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
+}