upgrade to zig 0.13

.gitignore

@@ -1,4 +1,5 @@
 zig-cache
+/.zig-cache/
 zig-out
 /vendor/netsurf/build/
 /vendor/netsurf/lib/

src/async/Client.zig

@@ -278,7 +278,7 @@ pub const Connection = struct {
         if (conn.read_end != conn.read_start) return;
 
         var iovecs = [1]std.posix.iovec{
-            .{ .iov_base = &conn.read_buf, .iov_len = conn.read_buf.len },
+            .{ .base = &conn.read_buf, .len = conn.read_buf.len },
         };
         const nread = try conn.readvDirect(&iovecs);
         if (nread == 0) return error.EndOfStream;
@@ -314,8 +314,8 @@ pub const Connection = struct {
         }
 
         var iovecs = [2]std.posix.iovec{
-            .{ .iov_base = buffer.ptr, .iov_len = buffer.len },
-            .{ .iov_base = &conn.read_buf, .iov_len = conn.read_buf.len },
+            .{ .base = buffer.ptr, .len = buffer.len },
+            .{ .base = &conn.read_buf, .len = conn.read_buf.len },
         };
         const nread = try conn.readvDirect(&iovecs);
 
@@ -1560,7 +1560,7 @@ pub const RequestOptions = struct {
 };
 
 fn validateUri(uri: Uri, arena: Allocator) !struct { Connection.Protocol, Uri } {
-    const protocol_map = std.ComptimeStringMap(Connection.Protocol, .{
+    const protocol_map = std.StaticStringMap(Connection.Protocol).initComptime(.{
         .{ "http", .plain },
         .{ "ws", .plain },
         .{ "https", .tls },

src/async/stream.zig

@@ -107,7 +107,7 @@ pub const Stream = struct {
     /// See equivalent function: `std.fs.File.writev`.
     pub fn writev(self: Stream, iovecs: []const posix.iovec_const) WriteError!usize {
         if (iovecs.len == 0) return 0;
-        const first_buffer = iovecs[0].iov_base[0..iovecs[0].iov_len];
+        const first_buffer = iovecs[0].base[0..iovecs[0].len];
         return try self.write(first_buffer);
     }
 
@@ -121,13 +121,13 @@ pub const Stream = struct {
         var i: usize = 0;
         while (true) {
             var amt = try self.writev(iovecs[i..]);
-            while (amt >= iovecs[i].iov_len) {
-                amt -= iovecs[i].iov_len;
+            while (amt >= iovecs[i].len) {
+                amt -= iovecs[i].len;
                 i += 1;
                 if (i >= iovecs.len) return;
             }
-            iovecs[i].iov_base += amt;
-            iovecs[i].iov_len -= amt;
+            iovecs[i].base += amt;
+            iovecs[i].len -= amt;
         }
     }
 };

src/main_wpt.zig

@@ -288,7 +288,7 @@ fn runSafe(
         argv.appendAssumeCapacity(tc);
         defer _ = argv.pop();
 
-        const run = try std.ChildProcess.run(.{
+        const run = try std.process.Child.run(.{
             .allocator = alloc,
             .argv = argv.items,
             .max_output_bytes = 1024 * 1024,