From 6c00b3761c89b5e5211311c4d7d10714b91d04e8 Mon Sep 17 00:00:00 2001
From: Val Packett <val@packett.cool>
Date: Sun, 7 May 2023 03:51:14 -0300
Subject: [PATCH] freebsdlike: add kenv

---
 libc-test/build.rs                      |  2 ++
 libc-test/semver/dragonfly.txt          |  6 ++++++
 libc-test/semver/freebsd.txt            |  8 ++++++++
 src/unix/bsd/freebsdlike/freebsd/mod.rs |  3 +++
 src/unix/bsd/freebsdlike/mod.rs         | 14 ++++++++++++++
 5 files changed, 33 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 9f76583bffe7c..6d07d5bfc95f7 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -1232,6 +1232,7 @@ fn test_dragonflybsd(target: &str) {
         "glob.h",
         "grp.h",
         "ifaddrs.h",
+        "kenv.h",
         "kvm.h",
         "langinfo.h",
         "libgen.h",
@@ -1933,6 +1934,7 @@ fn test_freebsd(target: &str) {
                 "grp.h",
                 "iconv.h",
                 "ifaddrs.h",
+                "kenv.h",
                 "langinfo.h",
                 "libgen.h",
                 "libutil.h",
diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
index 23c66c3298bdb..870cf6da692fa 100644
--- a/libc-test/semver/dragonfly.txt
+++ b/libc-test/semver/dragonfly.txt
@@ -503,6 +503,12 @@ IP_TOS
 ITIMER_PROF
 ITIMER_REAL
 ITIMER_VIRTUAL
+KENV_GET
+KENV_SET
+KENV_UNSET
+KENV_DUMP
+KENV_MNAMELEN
+KENV_MVALLEN
 KERN_ARGMAX
 KERN_BOOTFILE
 KERN_BOOTTIME
diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
index ffb424e8b508d..953689ee09477 100644
--- a/libc-test/semver/freebsd.txt
+++ b/libc-test/semver/freebsd.txt
@@ -592,6 +592,14 @@ JAIL_SYS_DISABLE
 JAIL_SYS_INHERIT
 JAIL_SYS_NEW
 JAIL_UPDATE
+KENV_GET
+KENV_SET
+KENV_UNSET
+KENV_DUMP
+KENV_DUMP_LOADER
+KENV_DUMP_STATIC
+KENV_MNAMELEN
+KENV_MVALLEN
 KERN_ARGMAX
 KERN_ARND
 KERN_BOOTFILE
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index c453e7c9b1c13..24c9316b58fcc 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -4680,6 +4680,9 @@ pub const SCTP_ASSOC_RESET_FAILED: ::c_int = 0x0008;
 pub const SCTP_STREAM_CHANGE_DENIED: ::c_int = 0x0004;
 pub const SCTP_STREAM_CHANGE_FAILED: ::c_int = 0x0008;
 
+pub const KENV_DUMP_LOADER: ::c_int = 4;
+pub const KENV_DUMP_STATIC: ::c_int = 5;
+
 cfg_if! {
     if #[cfg(libc_const_extern_fn)] {
         pub const fn MAP_ALIGNED(a: ::c_int) -> ::c_int {
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 6a0f383bc06a6..d89d5f8ffea1a 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -1434,6 +1434,13 @@ pub const SHM_RND: ::c_int = 0o20000;
 pub const SHM_R: ::c_int = 0o400;
 pub const SHM_W: ::c_int = 0o200;
 
+pub const KENV_GET: ::c_int = 0;
+pub const KENV_SET: ::c_int = 1;
+pub const KENV_UNSET: ::c_int = 2;
+pub const KENV_DUMP: ::c_int = 3;
+pub const KENV_MNAMELEN: ::c_int = 128;
+pub const KENV_MVALLEN: ::c_int = 128;
+
 safe_f! {
     pub {const} fn WIFCONTINUED(status: ::c_int) -> bool {
         status == 0x13
@@ -1737,6 +1744,13 @@ extern "C" {
     pub fn eui64_hostton(hostname: *const ::c_char, id: *mut eui64) -> ::c_int;
 
     pub fn eaccess(path: *const ::c_char, mode: ::c_int) -> ::c_int;
+
+    pub fn kenv(
+        action: ::c_int,
+        name: *const ::c_char,
+        value: *mut ::c_char,
+        len: ::c_int,
+    ) -> ::c_int;
 }
 
 #[link(name = "rt")]