Stub ifaddrs.h

src/header/ifaddrs/cbindgen.toml

@@ -0,0 +1,12 @@
+sys_includes = ["features.h", "netinet/in.h", "sys/socket.h"]
+include_guard = "_RELIBC_IFADDRS_H"
+language = "C"
+style = "Tag"
+no_includes = true
+cpp_compat = true
+
+[export.rename]
+"sockaddr" = "struct sockaddr"
+
+[enum]
+prefix_with_name = true

src/header/ifaddrs/mod.rs

@@ -0,0 +1,41 @@
+//! `ifaddrs.h` implementation
+
+use core::ptr;
+
+use crate::{
+    header::{errno, stdlib, sys_socket::sockaddr},
+    platform::{self, types::*},
+};
+
+#[repr(C)]
+union ifaddrs_ifa_ifu {
+    ifu_broadaddr: *mut sockaddr,
+    ifu_dstaddr: *mut sockaddr,
+}
+
+#[repr(C)]
+pub struct ifaddrs {
+    ifa_next: *mut ifaddrs,
+    ifa_name: *mut c_char,
+    ifa_flags: c_uint,
+    ifa_addr: *mut sockaddr,
+    ifa_netmask: *mut sockaddr,
+    ifa_ifu: ifaddrs_ifa_ifu,
+    ifa_data: *mut c_void,
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn freeifaddrs(mut ifa: *mut ifaddrs) {
+    while !ifa.is_null() {
+        let next = (*ifa).ifa_next;
+        stdlib::free(ifa.cast());
+        ifa = next;
+    }
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn getifaddrs(ifap: *mut *mut ifaddrs) -> c_int {
+    //TODO: implement getifaddrs
+    platform::ERRNO.set(errno::ENOSYS);
+    -1
+}

src/header/mod.rs

@@ -29,6 +29,7 @@ pub mod getopt;
 pub mod glob;
 pub mod grp;
 // TODO: iconv.h
+pub mod ifaddrs;
 pub mod inttypes;
 // iso646.h implemented in C
 pub mod langinfo;