chore: replace memoffset with std API

Author: paolobarbolini

Cargo.toml

@@ -32,7 +32,6 @@ libc = { version = "0.2.166", features = ["extra_traits"] }
 bitflags = "2.3.3"
 cfg-if = "1.0"
 pin-utils = { version = "0.1.0", optional = true }
-memoffset = { version = "0.9", optional = true }
 
 [features]
 default = []
@@ -63,7 +62,7 @@ reboot = []
 resource = []
 sched = ["process"]
 signal = ["process"]
-socket = ["memoffset"]
+socket = []
 syslog = []
 term = []
 time = []

src/sys/socket/addr.rs

@@ -20,7 +20,7 @@ use crate::sys::socket::addr::netlink::NetlinkAddr;
 use crate::sys::socket::addr::sys_control::SysControlAddr;
 use crate::{NixPath, Result};
 use cfg_if::cfg_if;
-use memoffset::offset_of;
+use std::mem::offset_of;
 use std::convert::TryInto;
 use std::ffi::OsStr;
 use std::hash::{Hash, Hasher};

test/sys/test_ptrace.rs

@@ -1,9 +1,3 @@
-#[cfg(all(
-    target_os = "linux",
-    target_env = "gnu",
-    any(target_arch = "x86_64", target_arch = "x86")
-))]
-use memoffset::offset_of;
 use nix::errno::Errno;
 use nix::sys::ptrace;
 #[cfg(linux_android)]
@@ -12,6 +6,12 @@ use nix::unistd::getpid;
 
 #[cfg(linux_android)]
 use std::mem;
+#[cfg(all(
+    target_os = "linux",
+    target_env = "gnu",
+    any(target_arch = "x86_64", target_arch = "x86")
+))]
+use std::mem::offset_of;
 
 use crate::*;