feat: list cmd.

src/Db.zig

@@ -7,7 +7,7 @@ const age = @import("age.zig");
 const Config = @import("Config.zig");
 
 /// controls the keys and filepaths used for saving
-config: Config,
+opts: OpenOptions,
 
 /// The underlying data store.
 sql_db: sqlite.Db,
@@ -30,20 +30,20 @@ pub fn open(
     });
     defer gpa.free(db_path);
 
-    var db = try new(opts.config);
-
-    if (db_exists(io, db_path)) {
     // const tmp_dir = try std.Io.Dir.cwd().openDir(io, tmp, .{});
     // defer tmp_dir.deleteFile(io, "envr.db");
 
-        const tmp_db_path = try std.fs.path.join(gpa, &.{ opts.tmp, "envr.db" });
+    const tmp_db_path = try std.fs.path.joinZ(gpa, &.{ opts.tmp, "envr.db" });
     defer gpa.free(tmp_db_path);
 
+    if (db_exists(io, db_path)) {
         // TODO: Use std.MultiArrayList? Had json issues
+        {
             var private_keys: std.ArrayList([]const u8) = try .initCapacity(
                 gpa,
                 opts.config.keys.len,
             );
+            defer private_keys.deinit(gpa);
 
             for (opts.config.keys) |key| {
                 private_keys.appendAssumeCapacity(key.private);
@@ -51,16 +51,12 @@ pub fn open(
 
             // TODO: Pass key(s) from Config
             try age.decrypt(io, gpa, private_keys.items, db_path, tmp_db_path);
-
-        try db.restore(tmp_db_path);
-        try std.Io.Dir.cwd().deleteFile(io, tmp_db_path);
-
-        return db;
-    } else {
-        return db;
         }
     }
 
+    return open_decrypted(opts, tmp_db_path);
+}
+
 const OpenOptions = struct {
     config: Config = .{},
 
@@ -71,16 +67,19 @@ const OpenOptions = struct {
     tmp: []const u8 = "/tmp",
 };
 
-/// Create a new instance of the database in-memory
+/// Create a new instance of the database
-fn new(config: Config) !@This() {
+fn open_decrypted(opts: OpenOptions, tmp_db_path: [:0]const u8) !@This() {
     var db = try sqlite.Db.init(.{
-        .mode = .Memory,
+        .mode = .{ .File = tmp_db_path },
-        .open_flags = .{ .write = true, .create = true },
+        .open_flags = .{
+            .write = true,
+            .create = true,
+        },
         .threading_mode = .MultiThread,
     });
 
     try db.exec(
-        \\create table envr_env_files (
+        \\create table if not exists envr_env_files (
         \\  path text primary key not null
         \\, remotes text -- JSON
         \\, sha256 text not null
@@ -90,7 +89,7 @@ fn new(config: Config) !@This() {
 
     return .{
         .sql_db = db,
-        .config = config,
+        .opts = opts,
     };
 }
 
@@ -103,26 +102,6 @@ fn db_exists(io: std.Io, path: []const u8) bool {
     }
 }
 
-/// Loads the unencrypted sqlite db at filepath path into the datbase
-/// FIXME: Test me
-fn restore(
-    self: *@This(),
-    path: []const u8,
-) !void {
-    try self.sql_db.exec(
-        "ATTACH DATABASE ? AS source",
-        .{},
-        .{path},
-    );
-    defer self.sql_db.exec("DETACH DATABASE source", .{}, .{}) catch unreachable;
-
-    try self.sql_db.exec(
-        "INSERT INTO main.envr_env_files SELECT * FROM source.envr_env_files",
-        .{},
-        .{},
-    );
-}
-
 // TODO: Finish
 // pub fn tmpDir(opts: std.fs.Dir.OpenDirOptions) TmpDir {
 //     var random_bytes: [TmpDir.random_bytes_count]u8 = undefined;
@@ -140,30 +119,32 @@ pub fn close(
     self: *@This(),
     io: std.Io,
     gpa: std.mem.Allocator,
-    opts: OpenOptions,
 ) !void {
     defer self.sql_db.deinit();
 
     if (self.changed) {
-        const tmp_db_path = try std.fs.path.join(gpa, &.{ opts.tmp, "envr.db" });
+        const tmp_db_path = try std.fs.path.join(gpa, &.{ self.opts.tmp, "envr.db" });
         defer gpa.free(tmp_db_path);
 
         try self.sql_db.exec("VACUUM INTO ?", .{}, .{tmp_db_path});
 
-        const db_path = try std.fs.path.join(gpa, &.{ opts.home, ".envr", "data.age" });
+        const db_path = try std.fs.path.join(gpa, &.{ self.opts.home, ".envr", "data.age" });
         defer gpa.free(db_path);
 
+        {
             // TODO: Use std.MultiArrayList? Had json issues
             var public_keys: std.ArrayList([]const u8) = try .initCapacity(
                 gpa,
-            opts.config.keys.len,
+                self.opts.config.keys.len,
             );
+            defer public_keys.deinit(gpa);
 
-        for (opts.config.keys) |key| {
+            for (self.opts.config.keys) |key| {
                 public_keys.appendAssumeCapacity(key.private);
             }
 
             try age.encrypt(io, gpa, public_keys.items, tmp_db_path, db_path);
+        }
 
         self.changed = false;
     }
@@ -171,23 +152,33 @@ pub fn close(
 
 /// Returns a list of all the .env files present in the database.
 /// The caller is responsible for freeing memory
-fn list(self: @This(), gpa: std.mem.Allocator) ![]EnvFile {
+pub fn list(self: *@This(), gpa: std.mem.Allocator) ![]EnvFile {
-    var stmt = self.sql_db.prepare(
+    var stmt = try self.sql_db.prepare(
         "select path, remotes, sha256, contents from envr_env_files",
     );
     defer stmt.deinit();
 
-    return stmt.all([]const EnvFile, gpa, .{}, .{});
+    return stmt.all(EnvFile, gpa, .{}, .{});
 }
 
 const EnvFile = struct {
     // TODO: Should use file_name in the struct and derive from the path.
     path: []const u8,
-    /// dir is derived from Path, and is not stored in the database.
+
-    dir: []const u8,
+    // /// dir is derived from Path, and is not stored in the database.
-    remotes: [][]const u8,
+    // dir: []const u8,
+
+    /// JSON encoded list of strings
+    remotes: []const u8,
     sha256: []const u8,
     contents: []const u8,
+
+    fn deinit(self: *EnvFile, alloc: std.mem.Allocator) void {
+        alloc.free(self.path);
+        alloc.free(self.remotes);
+        alloc.free(self.sha256);
+        alloc.free(self.contents);
+    }
 };
 
 test {
@@ -269,7 +260,6 @@ test "Closing a fresh database does not create a file" {
     var tmp_dir = std.testing.tmpDir(.{});
     defer tmp_dir.cleanup();
 
-    // @compileLog(@typeInfo(std.Io.File.Permissions));
     try tmp_dir.dir.createDir(io, "home", .default_dir);
     try tmp_dir.dir.createDir(io, "tmp", .default_dir);
 
@@ -293,7 +283,7 @@ test "Closing a fresh database does not create a file" {
         tmp_dir.dir.access(io, db_path, .{ .read = true }),
     );
 
-    try db.close(io, gpa, .{ .home = home, .tmp = tmp });
+    try db.close(io, gpa);
 
     try std.testing.expectError(
         error.FileNotFound,
@@ -301,6 +291,182 @@ test "Closing a fresh database does not create a file" {
     );
 }
 
-// test "Closing an unmodified database does not update the file" {}
+test "single-file.db has envr_env_files table" {
+    const io = std.testing.io;
+    const gpa = std.testing.allocator;
+
+    const dir_path = try std.Io.Dir.cwd().realPathFileAlloc(io, ".", gpa);
+    defer gpa.free(dir_path);
+
+    const path = try std.fs.path.joinZ(
+        gpa,
+        &.{ dir_path, "fixtures", "single-file.db" },
+    );
+    defer gpa.free(path);
+
+    var db = try sqlite.Db.init(.{
+        .mode = .{ .File = path },
+        .open_flags = .{
+            .write = false,
+            .create = false,
+        },
+        .threading_mode = .MultiThread,
+    });
+
+    var diags: sqlite.Diagnostics = .{};
+    var stmt = db.prepareDynamicWithDiags(
+        "select name from sqlite_master where type='table'",
+        .{ .diags = &diags },
+    ) catch |err| {
+        std.log.err(
+            "unable to prepare statement, got error {}. diagnostics: {f}",
+            .{ err, diags },
+        );
+        return err;
+    };
+    defer stmt.deinit();
+
+    const tables = (try stmt.oneAlloc(
+        []const u8,
+        gpa,
+        .{ .diags = &diags },
+        .{},
+    )).?;
+    defer gpa.free(tables);
+
+    try std.testing.expectEqualSlices(u8, "envr_env_files", tables);
+}
+
+// test "raw restore works" {
+//     const io = std.testing.io;
+//     const gpa = std.testing.allocator;
+
+//     var db = try sqlite.Db.init(.{
+//         .mode = .Memory,
+//         .open_flags = .{
+//             .write = true,
+//             .create = true,
+//         },
+//         .threading_mode = .MultiThread,
+//     });
+
+//     try db.exec(
+//         \\create table envr_env_files (
+//         \\  path text primary key not null
+//         \\, remotes text -- JSON
+//         \\, sha256 text not null
+//         \\, contents text not null
+//         \\)
+//     , .{}, .{});
+
+//     const dir_path = try std.Io.Dir.cwd().realPathFileAlloc(io, ".", gpa);
+//     defer gpa.free(dir_path);
+
+//     const path = try std.fs.path.join(
+//         gpa,
+//         &.{ dir_path, "fixtures", "single-file.db" },
+//     );
+//     defer gpa.free(path);
+
+//     std.debug.print("path: {s}\n", .{path});
+//     try db.exec(
+//         "ATTACH DATABASE ? AS source",
+//         .{},
+//         .{path},
+//     );
+//     defer db.exec("DETACH DATABASE source", .{}, .{}) catch unreachable;
+
+//     var diags: sqlite.Diagnostics = .{};
+//     db.exec(
+//         "INSERT INTO main.envr_env_files SELECT * FROM source.envr_env_files",
+//         .{ .diags = &diags },
+//         .{},
+//     ) catch |err| {
+//         std.log.err(
+//             "unable to prepare statement, got error {}. diagnostics: {f}",
+//             .{ err, diags },
+//         );
+//         return err;
+//     };
+// }
 
 // test "Closing a modified database does create a file" {}
+
+test "list displays the database's keys" {
+    const io = std.testing.io;
+    const gpa = std.testing.allocator;
+
+    var tmp_dir = std.testing.tmpDir(.{});
+    defer tmp_dir.cleanup();
+
+    try tmp_dir.dir.createDir(io, "home", .default_dir);
+    try tmp_dir.dir.createDir(io, "home/.envr", .default_dir);
+    try tmp_dir.dir.createDir(io, "tmp", .default_dir);
+
+    const tmp_dir_path = try tmp_dir.dir.realPathFileAlloc(io, ".", gpa);
+    defer gpa.free(tmp_dir_path);
+
+    const home = try std.fs.path.join(gpa, &.{ tmp_dir_path, "home" });
+    defer gpa.free(home);
+    const tmp = try std.fs.path.join(gpa, &.{ tmp_dir_path, "tmp" });
+    defer gpa.free(tmp);
+
+    // TODO: Get rid of direct access
+    const db_path = try std.fs.path.join(gpa, &.{ home, ".envr", "data.age" });
+    defer gpa.free(db_path);
+
+    try std.Io.Dir.cwd().copyFile(
+        "fixtures/encrypted-single-file.db.age",
+        tmp_dir.dir,
+        "home/.envr/data.age",
+        io,
+        .{},
+    );
+
+    // Asserts file existence
+    try tmp_dir.dir.access(io, db_path, .{ .read = true });
+
+    // TODO: Pass testing keys
+    const config: Config = .{
+        .keys = &.{.from_pub_path("fixtures/insecure-test-key.pub")},
+    };
+    var db: @This() = try .open(io, gpa, .{
+        .config = config,
+        .home = home,
+        .tmp = tmp,
+    });
+
+    const env_files = try db.list(gpa);
+    defer gpa.free(env_files);
+    try std.testing.expectEqual(1, env_files.len);
+
+    var hasher = std.crypto.hash.sha2.Sha256.init(.{});
+
+    try std.testing.expectEqual(1, env_files.len);
+
+    for (env_files) |*file| {
+        defer file.deinit(gpa);
+
+        try std.testing.expectEqualSlices(
+            u8,
+            "~/project/.env.example",
+            file.path,
+        );
+        try std.testing.expectEqualSlices(
+            u8,
+            "API_KEY=\\\"sk_my_api_key\\\"\\nAPP_ENV=testing",
+            file.contents,
+        );
+        try std.testing.expectEqualSlices(
+            u8,
+            "[\"git@github.com:user/project.git\"]",
+            file.remotes,
+        );
+
+        hasher.update(file.contents);
+        const hash = hasher.finalResult();
+        try std.testing.expectEqualStrings(&std.fmt.bytesToHex(&hash, .lower), file.sha256);
+    }
+
+    try db.close(io, gpa);
+}

src/main.zig

@@ -2,7 +2,6 @@ const std = @import("std");
 const Io = std.Io;
 
 const config = @import("config");
-
 const comma = @import("comma");
 const envr = @import("envr");
 
@@ -51,6 +50,20 @@ fn run(
                 environ_map.get("PATH").?,
             );
         },
+        .list => {
+            var stdout_buffer: [1024]u8 = undefined;
+            var stdout_file_writer: Io.File.Writer = .init(.stdout(), io, &stdout_buffer);
+            const stdout_writer = &stdout_file_writer.interface;
+
+            return envr.list(
+                io,
+                arena,
+                stdout_writer,
+                environ_map.get("HOME").?,
+                // TODO: Don't hardcode this?
+                "/tmp",
+            );
+        },
         .unknown => {
             return fallback_to_go(io, arena, args);
         },
@@ -137,10 +150,10 @@ fn fallback_to_go(
 
 test "simple test" {
     const gpa = std.testing.allocator;
-    var list: std.ArrayList(i32) = .empty;
+    var alist: std.ArrayList(i32) = .empty;
-    defer list.deinit(gpa); // Try commenting this out and see if zig detects the memory leak!
+    defer alist.deinit(gpa); // Try commenting this out and see if zig detects the memory leak!
-    try list.append(gpa, 42);
+    try alist.append(gpa, 42);
-    try std.testing.expectEqual(@as(i32, 42), list.pop());
+    try std.testing.expectEqual(@as(i32, 42), alist.pop());
 }
 
 test "fuzz example" {
@@ -152,23 +165,23 @@ fn testOne(context: void, smith: *std.testing.Smith) !void {
     // Try passing `--fuzz` to `zig build test` and see if it manages to fail this test case!
 
     const gpa = std.testing.allocator;
-    var list: std.ArrayList(u8) = .empty;
+    var alist: std.ArrayList(u8) = .empty;
-    defer list.deinit(gpa);
+    defer alist.deinit(gpa);
     while (!smith.eos()) switch (smith.value(enum { add_data, dup_data })) {
         .add_data => {
-            const slice = try list.addManyAsSlice(gpa, smith.value(u4));
+            const slice = try alist.addManyAsSlice(gpa, smith.value(u4));
             smith.bytes(slice);
         },
         .dup_data => {
-            if (list.items.len == 0) continue;
+            if (alist.items.len == 0) continue;
-            if (list.items.len > std.math.maxInt(u32)) return error.SkipZigTest;
+            if (alist.items.len > std.math.maxInt(u32)) return error.SkipZigTest;
-            const len = smith.valueRangeAtMost(u32, 1, @min(32, list.items.len));
+            const len = smith.valueRangeAtMost(u32, 1, @min(32, alist.items.len));
-            const off = smith.valueRangeAtMost(u32, 0, @intCast(list.items.len - len));
+            const off = smith.valueRangeAtMost(u32, 0, @intCast(alist.items.len - len));
-            try list.appendSlice(gpa, list.items[off..][0..len]);
+            try alist.appendSlice(gpa, alist.items[off..][0..len]);
             try std.testing.expectEqualSlices(
                 u8,
-                list.items[off..][0..len],
+                alist.items[off..][0..len],
-                list.items[list.items.len - len ..],
+                alist.items[alist.items.len - len ..],
             );
         },
     };

src/root.zig

@@ -5,6 +5,9 @@ const Io = std.Io;
 const comma = @import("comma");
 const Command = comma.Command;
 
+const Config = @import("Config.zig");
+const Db = @import("Db.zig");
+
 pub const root: Command = .new(.{
     .name = "envr",
     .short = "Manage your .env files.",
@@ -49,6 +52,10 @@ pub const root: Command = .new(.{
             \\ The deps command reports which binaries are available and which are not."
             ,
         },
+        .{
+            .name = "list",
+            .short = "View your tracked files",
+        },
         .{
             .name = "version",
             .short = "Show envr's version",
@@ -56,17 +63,59 @@ pub const root: Command = .new(.{
     },
 });
 
+pub fn list(
+    io: Io,
+    arena: std.mem.Allocator,
+    out: *std.Io.Writer,
+    home: []const u8,
+    tmp: []const u8,
+) !void {
+    // TODO: Don't hardcode
+    const cfgPath = try std.fs.path.join(arena, &.{ home, ".envr", "config.json" });
+    const cfg: Config = (try Config.load(io, arena, cfgPath)).value;
+
+    var db: Db = try .open(io, arena, .{
+        .config = cfg,
+        .home = home,
+        .tmp = tmp,
+    });
+
+    _ = try out.write("Path\n");
+    const files = try db.list(arena);
+    for (files) |file| {
+        // TODO: Table printer
+        try out.print("{s}\n", .{file.path});
+    }
+    try out.flush();
+
+    return db.close(io, arena); // TODO: Defer this
+}
+
 test {
     std.testing.refAllDecls(@import("Config.zig"));
     std.testing.refAllDecls(@import("Db.zig"));
 }
 
 test "enum type" {
-    const got: root.Type = @enumFromInt(2);
+    const got: root.Type = @enumFromInt(3);
 
     try std.testing.expectEqual(.version, got);
 }
 
+test "parse deps" {
+    const args = &[_][]const u8{"deps"};
+    const cmd = root.parse(args);
+
+    try std.testing.expectEqual(.deps, cmd);
+}
+
+test "parse list" {
+    const args = &[_][]const u8{"list"};
+    const cmd = root.parse(args);
+
+    try std.testing.expectEqual(.list, cmd);
+}
+
 test "parse version" {
     const args = &[_][]const u8{"version"};
     const cmd = root.parse(args);

zig-vendor/zig-sqlite/query.zig

@@ -226,6 +226,7 @@ fn ParseType(comptime type_info: []const u8) type {
         const signedness = switch (type_info[0]) {
             'u' => .unsigned,
             'i' => .signed,
+            else => unreachable,
         };
         return @Int(signedness, std.fmt.parseInt(usize, type_info[1..type_info.len], 10) catch {
             @compileError("invalid type info " ++ type_info);

zig-vendor/zig-sqlite/sqlite.zig

@@ -3,7 +3,7 @@ const builtin = @import("builtin");
 const build_options = @import("build_options");
 const debug = std.debug;
 const heap = std.heap;
-const io = std.io;
+const io = std.Io;
 const mem = std.mem;
 const testing = std.testing;
 
@@ -1967,7 +1967,7 @@ pub const DynamicStatement = struct {
     pub fn all(self: *Self, comptime Type: type, allocator: mem.Allocator, options: QueryOptions, values: anytype) ![]Type {
         var iter = try self.iteratorAlloc(Type, allocator, values);
 
-        var rows: std.ArrayList(Type) = .{};
+        var rows: std.ArrayList(Type) = .empty;
         while (try iter.nextAlloc(allocator, options)) |row| {
             try rows.append(allocator, row);
         }
@@ -2257,7 +2257,7 @@ pub fn Statement(comptime opts: StatementOptions, comptime query: anytype) type
         pub fn all(self: *Self, comptime Type: type, allocator: mem.Allocator, options: QueryOptions, values: anytype) ![]Type {
             var iter = try self.iteratorAlloc(Type, allocator, values);
 
-            var rows: std.ArrayList(Type) = .{};
+            var rows: std.ArrayList(Type) = .empty;
             while (try iter.nextAlloc(allocator, options)) |row| {
                 try rows.append(allocator, row);
             }
@@ -3020,7 +3020,7 @@ test "sqlite: statement iterator" {
     var stmt = try db.prepare("INSERT INTO user(name, id, age, weight, favorite_color) VALUES(?{[]const u8}, ?{usize}, ?{usize}, ?{f32}, ?{[]const u8})");
     defer stmt.deinit();
 
-    var expected_rows: std.ArrayList(TestUser) = .{};
+    var expected_rows: std.ArrayList(TestUser) = .empty;
     var i: usize = 0;
     while (i < 20) : (i += 1) {
         const name = try std.fmt.allocPrint(allocator, "Vincent {d}", .{i});
@@ -3047,7 +3047,7 @@ test "sqlite: statement iterator" {
 
         var iter = try stmt2.iterator(RowType, .{});
 
-        var rows: std.ArrayList(RowType) = .{};
+        var rows: std.ArrayList(RowType) = .empty;
         while (try iter.next(.{})) |row| {
             try rows.append(allocator, row);
         }
@@ -3074,7 +3074,7 @@ test "sqlite: statement iterator" {
 
         var iter = try stmt2.iterator(RowType, .{});
 
-        var rows: std.ArrayList(RowType) = .{};
+        var rows: std.ArrayList(RowType) = .empty;
         while (try iter.nextAlloc(allocator, .{})) |row| {
             try rows.append(allocator, row);
         }
@@ -3459,7 +3459,7 @@ test "sqlite: bind runtime slice" {
     const allocator = arena.allocator();
 
     // creating array list on heap so that it's deemed runtime size
-    var list: std.ArrayList([]const u8) = .{};
+    var list: std.ArrayList([]const u8) = .empty;
     defer list.deinit(allocator);
     try list.append(allocator, "this is some data");
     const args = try list.toOwnedSlice(allocator);
@@ -3749,7 +3749,11 @@ test "sqlite: create aggregate function with no aggregate context" {
     var db = try getTestDb();
     defer db.deinit();
 
-    var rand = std.Random.DefaultPrng.init(@intCast(std.time.milliTimestamp()));
+    const test_io = testing.io;
+
+    var rand = std.Random.DefaultPrng.init(@intCast(
+        std.Io.Timestamp.now(test_io, .real).toMilliseconds(),
+    ));
 
     // Create an aggregate function working with a MyContext
 
@@ -3810,7 +3814,11 @@ test "sqlite: create aggregate function with an aggregate context" {
     var db = try getTestDb();
     defer db.deinit();
 
-    var rand = std.Random.DefaultPrng.init(@intCast(std.time.milliTimestamp()));
+    const test_io = std.testing.io;
+
+    var rand = std.Random.DefaultPrng.init(
+        @intCast(std.Io.Timestamp.now(test_io, .real).toMilliseconds()),
+    );
 
     try db.createAggregateFunction(
         "mySum",
@@ -3877,7 +3885,7 @@ test "sqlite: empty slice" {
     defer db.deinit();
     try addTestData(&db);
 
-    var list: std.ArrayList(u8) = .{};
+    var list: std.ArrayList(u8) = .empty;
     const ptr = try list.toOwnedSlice(allocator);
 
     try db.exec("INSERT INTO article(author_id, data) VALUES(?, ?)", .{}, .{ 1, ptr });
@@ -4054,7 +4062,7 @@ test "reuse same field twice in query string" {
 
 test "fuzzing" {
     const Context = struct {
-        fn testOne(_: @This(), input: []const u8) anyerror!void {
+        fn testOne(_: @This(), input: *testing.Smith) anyerror!void {
             var db = try Db.init(.{
                 .mode = .Memory,
                 .open_flags = .{
@@ -4066,7 +4074,7 @@ test "fuzzing" {
 
             try db.exec("CREATE TABLE test(id integer primary key, name text, data blob)", .{}, .{});
 
-            db.execDynamic(input, .{}, .{}) catch |err| switch (err) {
+            db.execDynamic(input.value([]const u8), .{}, .{}) catch |err| switch (err) {
                 error.SQLiteError => return,
                 error.ExecReturnedData => return,
                 error.EmptyQuery => return,

zig-vendor/zig-sqlite/vtab.zig

@@ -766,7 +766,8 @@ pub fn VirtualTable(
 
             //
 
-            const nullable_state: ?*State = @fieldParentPtr("vtab", vtab);
+            const vtab_ptr: *c.sqlite3_vtab = @ptrCast(vtab);
+            const nullable_state: ?*State = @fieldParentPtr("vtab", vtab_ptr);
             const state = nullable_state orelse unreachable;
 
             var arena = heap.ArenaAllocator.init(state.module_context.allocator);
@@ -789,7 +790,8 @@ pub fn VirtualTable(
         }
 
         fn xDisconnect(vtab: [*c]c.sqlite3_vtab) callconv(.c) c_int {
-            const nullable_state: ?*State = @fieldParentPtr("vtab", vtab);
+            const vtab_ptr: *c.sqlite3_vtab = @ptrCast(vtab);
+            const nullable_state: ?*State = @fieldParentPtr("vtab", vtab_ptr);
             const state = nullable_state orelse unreachable;
 
             state.deinit();
@@ -806,7 +808,8 @@ pub fn VirtualTable(
         }
 
         fn xOpen(vtab: [*c]c.sqlite3_vtab, vtab_cursor: [*c][*c]c.sqlite3_vtab_cursor) callconv(.c) c_int {
-            const nullable_state: ?*State = @fieldParentPtr("vtab", vtab);
+            const vtab_ptr: *c.sqlite3_vtab = @ptrCast(vtab);
+            const nullable_state: ?*State = @fieldParentPtr("vtab", vtab_ptr);
             const state = nullable_state orelse unreachable;
 
             const cursor_state = CursorState.init(state.module_context, state.table) catch |err| {
@@ -819,7 +822,8 @@ pub fn VirtualTable(
         }
 
         fn xClose(vtab_cursor: [*c]c.sqlite3_vtab_cursor) callconv(.c) c_int {
-            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor);
+            const vtab_cursor_ptr: *c.sqlite3_vtab_cursor = @ptrCast(vtab_cursor);
+            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor_ptr);
             const cursor_state = nullable_cursor_state orelse unreachable;
 
             cursor_state.deinit();
@@ -828,7 +832,8 @@ pub fn VirtualTable(
         }
 
         fn xEof(vtab_cursor: [*c]c.sqlite3_vtab_cursor) callconv(.c) c_int {
-            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor);
+            const vtab_cursor_ptr: *c.sqlite3_vtab_cursor = @ptrCast(vtab_cursor);
+            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor_ptr);
             const cursor_state = nullable_cursor_state orelse unreachable;
             const cursor = cursor_state.cursor;
 
@@ -866,7 +871,8 @@ pub fn VirtualTable(
         }
 
         fn xFilter(vtab_cursor: [*c]c.sqlite3_vtab_cursor, idx_num: c_int, idx_str: [*c]const u8, argc: c_int, argv: [*c]?*c.sqlite3_value) callconv(.c) c_int {
-            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor);
+            const vtab_cursor_ptr: *c.sqlite3_vtab_cursor = @ptrCast(vtab_cursor);
+            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor_ptr);
             const cursor_state = nullable_cursor_state orelse unreachable;
             const cursor = cursor_state.cursor;
 
@@ -892,7 +898,8 @@ pub fn VirtualTable(
         }
 
         fn xNext(vtab_cursor: [*c]c.sqlite3_vtab_cursor) callconv(.c) c_int {
-            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor);
+            const vtab_cursor_ptr: *c.sqlite3_vtab_cursor = @ptrCast(vtab_cursor);
+            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor_ptr);
             const cursor_state = nullable_cursor_state orelse unreachable;
             const cursor = cursor_state.cursor;
 
@@ -911,7 +918,8 @@ pub fn VirtualTable(
         }
 
         fn xColumn(vtab_cursor: [*c]c.sqlite3_vtab_cursor, ctx: ?*c.sqlite3_context, n: c_int) callconv(.c) c_int {
-            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor);
+            const vtab_cursor_ptr: *c.sqlite3_vtab_cursor = @ptrCast(vtab_cursor);
+            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor_ptr);
             const cursor_state = nullable_cursor_state orelse unreachable;
             const cursor = cursor_state.cursor;
 
@@ -955,7 +963,8 @@ pub fn VirtualTable(
         }
 
         fn xRowid(vtab_cursor: [*c]c.sqlite3_vtab_cursor, row_id_ptr: [*c]c.sqlite3_int64) callconv(.c) c_int {
-            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor);
+            const vtab_cursor_ptr: *c.sqlite3_vtab_cursor = @ptrCast(vtab_cursor);
+            const nullable_cursor_state: ?*CursorState = @fieldParentPtr("vtab_cursor", vtab_cursor_ptr);
             const cursor_state = nullable_cursor_state orelse unreachable;
             const cursor = cursor_state.cursor;
 
@@ -1023,7 +1032,9 @@ const TestVirtualTable = struct {
             //
 
             const data = &[_][]const u8{
-                "Vincent", "José", "Michel",
+                "Vincent",
+                "José",
+                "Michel",
             };
 
             var rand = std.Random.DefaultPrng.init(204882485);
@@ -1064,13 +1075,18 @@ const TestVirtualTable = struct {
         debug.print("connect\n", .{});
     }
 
-    pub const BuildBestIndexError = error{} || mem.Allocator.Error;
+    pub const BuildBestIndexError = error{} || mem.Allocator.Error || error{WriteFailed};
 
-    pub fn buildBestIndex(self: *TestVirtualTable, diags: *VTabDiagnostics, builder: *BestIndexBuilder) BuildBestIndexError!void {
+    pub fn buildBestIndex(
+        self: *TestVirtualTable,
+        diags: *VTabDiagnostics,
+        builder: *BestIndexBuilder,
+    ) BuildBestIndexError!void {
         _ = self;
         _ = diags;
 
-        var id_str_writer = builder.id_str_buffer.writer(builder.allocator);
+        // var id_str_writer = builder.id_str_buffer.writer(builder.allocator);
+        var id_str_writer = std.Io.Writer.fromArrayList(&builder.id_str_buffer);
 
         var argv_index: i32 = 0;
         for (builder.constraints) |*constraint| {
@@ -1174,7 +1190,7 @@ const TestVirtualTableCursor = struct {
             // 3 chars for the '=' marker
             // 6 chars because we format all columns in a 6 char wide string
             const col_str = id[pos + 1 .. pos + 1 + 6];
-            const col = try fmt.parseInt(i32, mem.trimRight(u8, col_str, " "), 10);
+            const col = try fmt.parseInt(i32, mem.trimEnd(u8, col_str, " "), 10);
 
             id = id[pos + 1 + 6 ..];