From 59ffaf7611ec0b535d172f8faacb5a769667bb02 Mon Sep 17 00:00:00 2001
From: Meghan Denny <hello@nektro.net>
Date: Sun, 24 Aug 2025 22:18:51 -0700
Subject: [PATCH] add File.stat

---
 File.zig     | 43 +++++++++++++++++++++++++++++++++++++++++++
 licenses.txt |  1 +
 zigmod.yml   |  1 +
 3 files changed, 45 insertions(+)

diff --git a/File.zig b/File.zig
index a1d6235508020f784bfd9556e10f543f1bd00d4c..f649db5f887c64b60a61b2ff786729b49035321b 100644
--- a/File.zig
+++ b/File.zig
@@ -3,6 +3,7 @@ const builtin = @import("builtin");
 const sys_libc = @import("sys-libc");
 const nio = @import("nio");
 const errno = @import("errno");
+const time = @import("time");
 
 const nfs = @import("./nfs.zig");
 const Dir = nfs.Dir;
@@ -37,3 +38,45 @@ pub fn anyReadable(self: File) nio.AnyReadable {
         .state = @ptrFromInt(@as(usize, @bitCast(@as(isize, @intCast(@intFromEnum(self.fd)))))),
     };
 }
+
+pub fn stat(self: File) !Stat {
+    const st = try sys_libc.fstat(@intFromEnum(self.fd));
+    return .{
+        .inode = st.ino,
+        .size = @bitCast(st.size),
+        .mode = st.mode,
+        .kind = {},
+        .atime = @as(i128, st.atim.sec) * time.ns_per_s + st.atim.nsec,
+        .mtime = @as(i128, st.mtim.sec) * time.ns_per_s + st.mtim.nsec,
+        .ctime = @as(i128, st.ctim.sec) * time.ns_per_s + st.ctim.nsec,
+    };
+}
+
+pub const Stat = struct {
+    inode: INode,
+    size: u64,
+    mode: Mode,
+    kind: void, //Kind,
+    /// Last access time in nanoseconds, relative to UTC 1970-01-01.
+    atime: i128,
+    /// Last modification time in nanoseconds, relative to UTC 1970-01-01.
+    mtime: i128,
+    /// Last status/metadata change time in nanoseconds, relative to UTC 1970-01-01.
+    ctime: i128,
+};
+
+pub const INode = switch (builtin.target.os.tag) {
+    .linux,
+    => sys_libc.ino_t,
+    else => |v| @compileError("TODO: " ++ @tagName(v)),
+};
+
+pub const Mode = switch (builtin.target.os.tag) {
+    .linux,
+    => sys_libc.mode_t,
+    else => |v| @compileError("TODO: " ++ @tagName(v)),
+};
+
+pub const Kind = enum {
+    //
+};
diff --git a/licenses.txt b/licenses.txt
index e1abb7bfd5f306ef3813567449b7e77d5f5cc34b..71a9eadd569cd3890927d8358ff80fd62fb9a4d9 100644
--- a/licenses.txt
+++ b/licenses.txt
@@ -8,6 +8,7 @@ MIT:
 - git https://github.com/nektro/zig-errno
 - git https://github.com/nektro/zig-libc
 - git https://github.com/nektro/zig-sys-libc
+- git https://github.com/nektro/zig-time
 
 Unspecified:
 - system_lib c
diff --git a/zigmod.yml b/zigmod.yml
index 3fc46646c3eb4d4d7d976413794f670fa4c13a42..99e36bead65cf54a2f02445ae0140d8454e0b060 100644
--- a/zigmod.yml
+++ b/zigmod.yml
@@ -9,3 +9,4 @@ dependencies:
   - src: git https://github.com/nektro/zig-sys-libc
   - src: git https://github.com/nektro/zig-nio
   - src: git https://github.com/nektro/zig-errno
+  - src: git https://github.com/nektro/zig-time
-- 
2.54.0