feat: add hostname info

src/linux/linux.zig

@@ -4,3 +4,12 @@ pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
     const username = try std.process.getEnvVarOwned(allocator, "USER");
     return username;
 }
+
+pub fn getHostname(allocator: std.mem.Allocator) ![]u8 {
+    var buf: [std.posix.HOST_NAME_MAX]u8 = undefined;
+    const hostnameEnv = try std.posix.gethostname(&buf);
+
+    const hostname = try allocator.dupe(u8, hostnameEnv);
+
+    return hostname;
+}

src/macos/macos.zig

@@ -4,3 +4,12 @@ pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
     const username = try std.process.getEnvVarOwned(allocator, "USER");
     return username;
 }
+
+pub fn getHostname(allocator: std.mem.Allocator) ![]u8 {
+    var buf: [std.posix.HOST_NAME_MAX]u8 = undefined;
+    const hostnameEnv = try std.posix.gethostname(&buf);
+
+    const hostname = try allocator.dupe(u8, hostnameEnv);
+
+    return hostname;
+}

src/main.zig

@@ -10,7 +10,12 @@ pub fn main() !void {
     const allocator = gpa.allocator();
 
     const username = try os_module.getUsername(allocator);
-
     try stdout.print("User: {s}\n", .{username});
     try bw.flush();
+    allocator.free(username);
+
+    const hostname = try os_module.getHostname(allocator);
+    try stdout.print("Hostname: {s}\n", .{hostname});
+    try bw.flush();
+    allocator.free(hostname);
 }

src/windows/windows.zig

@@ -4,3 +4,12 @@ pub fn getUsername(allocator: std.mem.Allocator) ![]u8 {
     const username = try std.process.getEnvVarOwned(allocator, "USERNAME");
     return username;
 }
+
+pub fn getHostname(allocator: std.mem.Allocator) ![]u8 {
+    var buf: [std.posix.HOST_NAME_MAX]u8 = undefined;
+    const hostnameEnv = try std.posix.gethostname(&buf);
+
+    const hostname = try allocator.dupe(u8, hostnameEnv);
+
+    return hostname;
+}