From 737db1011fa82188d63d5c40679365e582cc3d6a Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sun, 20 Apr 2025 16:43:54 -0700
Subject: [PATCH] add geteuid

---
 mod.zig  | 8 +++++++-
 test.zig | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/mod.zig b/mod.zig
index 6434a5019e0295b0268876f4fa9b46292a83d2dd..f7ad529486f74a9bc75f15e4c9e3413a7e984703 100644
--- a/mod.zig
+++ b/mod.zig
@@ -610,7 +610,13 @@ pub const setgid = @compileError("TODO: setgid");
 // geteuid
 // uid_t geteuid(void);
 // asmlinkage long sys_geteuid(void);
-pub const geteuid = @compileError("TODO: geteuid");
+pub fn geteuid() errno.Error!uid_t {
+    const r = syscall0(.geteuid);
+    return switch (_errno(r)) {
+        .ok => @intCast(r),
+        _ => |c| errno.errorFromInt(@intFromEnum(c)),
+    };
+}
 
 // getegid
 // gid_t getegid(void);
diff --git a/test.zig b/test.zig
index fdeae2fe1b5484915c59121b2ab9ffd1f780dc7c..f73dc43bae33ca080e0f84420a5ac3644d25c2b3 100644
--- a/test.zig
+++ b/test.zig
@@ -14,4 +14,5 @@ test {
     _ = &linux.vfork;
     _ = &linux.getuid;
     _ = &linux.getgid;
+    _ = &linux.geteuid;
 }
-- 
2.54.0