chore: initial commit

src/linux/linux.zig

@@ -0,0 +1,6 @@
+const std = @import("std");
+
+pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
+    const username = try std.process.getEnvVarOwned(allocator, "USER");
+    return username;
+}

src/macos/macos.zig

@@ -0,0 +1,6 @@
+const std = @import("std");
+
+pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
+    const username = try std.process.getEnvVarOwned(allocator, "USER");
+    return username;
+}

src/main.zig

@@ -0,0 +1,16 @@
+const std = @import("std");
+const os_module = @import("root.zig").os_module;
+
+pub fn main() !void {
+    const stdout_file = std.io.getStdOut().writer();
+    var bw = std.io.bufferedWriter(stdout_file);
+    const stdout = bw.writer();
+
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const allocator = gpa.allocator();
+
+    const username = try os_module.getUsername(allocator);
+
+    try stdout.print("User: {s}\n", .{username});
+    try bw.flush();
+}

src/root.zig

@@ -0,0 +1,8 @@
+const std = @import("std");
+
+pub const os_module = switch (@import("builtin").os.tag) {
+    .linux => @import("linux/linux.zig"),
+    .macos => @import("macos/macos.zig"),
+    .windows => @import("windows/windows.zig"),
+    else => @compileError("Unsupported operating system"),
+};

src/windows/windows.zig

@@ -0,0 +1,6 @@
+const std = @import("std");
+
+pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
+    const username = try std.process.getEnvVarOwned(allocator, "USERNAME");
+    return username;
+}