Update to new Zig API (0.11.0-dev.3892+0a6cd257b).

build.zig

@@ -38,7 +38,7 @@ pub fn build(b: *std.Build) void {
     const shared_lib = b.addSharedLibrary(.{
         .name = "ipc",
         .root_source_file = .{ .path = "src/bindings.zig" },
-        .version = comptime (try std.builtin.Version.parse(VERSION)),
+        .version = comptime (try std.SemanticVersion.parse(VERSION)),
         .target = target,
         .optimize = optimize,
     });

src/bindings.zig

@@ -94,7 +94,7 @@ export fn ipc_wait_event(ctx: *Context, t: *u8, index: *usize, originfd: *i32, b
     var event = ctx.wait_event() catch |err| switch(err) {
         else => { log.warn("error while waiting for an event: {}\n", .{err}); return -1; },
     };
-    t.* = @enumToInt(event.t);
+    t.* = @intFromEnum(event.t);
     index.* = event.index;
     originfd.* = event.origin;
 

src/exchange-fd.zig

@@ -23,7 +23,7 @@ pub fn Cmsghdr(comptime T: type) type {
     };
 
     const data_align = @sizeOf(usize);
-    const data_offset = std.mem.alignForward(@sizeOf(Header), data_align);
+    const data_offset = std.mem.alignForward(usize, @sizeOf(Header), data_align);
 
     return extern struct {
         const Self = @This();
@@ -60,10 +60,10 @@ pub fn Cmsghdr(comptime T: type) type {
         }
 
         pub fn headerPtr(self: *Self) *Header {
-            return @ptrCast(*Header, self);
+            return @ptrCast(self);
         }
         pub fn dataPtr(self: *Self) *align(data_align) T {
-            return @ptrCast(*T, self.bytes[data_offset..]);
+            return @ptrCast(self.bytes[data_offset..]);
         }
     };
 }
@@ -120,7 +120,7 @@ pub fn recvmsg(
 ) SendMsgError!usize {
     while (true) {
         var m = msg;
-        const rc = system.recvmsg(sockfd, @ptrCast(*std.os.msghdr, &m), @intCast(c_uint, flags));
+        const rc = system.recvmsg(sockfd, @ptrCast(&m), @intCast(flags));
         if (builtin.os.tag == .windows) {
             if (rc == windows.ws2_32.SOCKET_ERROR) {
                 switch (windows.ws2_32.WSAGetLastError()) {
@@ -146,11 +146,11 @@ pub fn recvmsg(
                     else => |err| return windows.unexpectedWSAError(err),
                 }
             } else {
-                return @intCast(usize, rc);
+                return @intCast(rc);
             }
         } else {
             switch (errno(rc)) {
-                .SUCCESS => return @intCast(usize, rc),
+                .SUCCESS => return @intCast(rc),
 
                 .ACCES => return error.AccessDenied,
                 .AGAIN => return error.WouldBlock,

src/message.zig

@@ -37,7 +37,7 @@ pub const Message = struct {
     }
 
     pub fn write(self: Self, writer: anytype) !usize {
-        try writer.writeIntBig(u32, @truncate(u32, self.payload.len));
+        try writer.writeIntBig(u32, @as(u32, @truncate(self.payload.len)));
         return 4 + try writer.write(self.payload);
     }
 

src/switch.zig

@@ -75,7 +75,7 @@ pub const SwitchDB = struct {
         var managedconnection = self.db.get(fd) orelse return error.unregisteredFD;
 
         var buffer = [_]u8{0} ** 100000; // TODO: buffer size
-        var message_size: u32 = @truncate(u32, buffer.len);
+        var message_size: u32 = @truncate(buffer.len);
         var r: CBEventType = managedconnection.in(fd, &buffer, &message_size);
 
         switch (r) {
@@ -118,7 +118,7 @@ pub const SwitchDB = struct {
         _ = message.write(writer) catch return error.generic;
         var written = fbs.getWritten();
 
-        var r = managedconnection.out(message.fd, written.ptr, @truncate(u32, written.len));
+        var r = managedconnection.out(message.fd, written.ptr, @truncate(written.len));
 
         switch (r) {
             // The message should be ignored (protocol specific).
@@ -206,7 +206,7 @@ fn successful_in(_: i32, mcontent: [*]u8, mlen: *u32) CBEventType {
     var fbs = std.io.fixedBufferStream(mcontent[0..mlen.*]);
     var writer = fbs.writer();
     const bytes_written = m.write(writer) catch unreachable;
-    mlen.* = @truncate(u32, bytes_written);
+    mlen.* = @truncate(bytes_written);
     return CBEventType.NO_ERROR;
 }
 
@@ -316,7 +316,7 @@ fn default_in(origin: i32, mcontent: [*]u8, mlen: *u32) CBEventType {
         return CBEventType.FD_CLOSING;
     }
 
-    mlen.* = @truncate(u32, packet_size);
+    mlen.* = @truncate(packet_size);
 
     return CBEventType.NO_ERROR;
 }