vala: Stop using deprecated input_event.time

Backport the vapi fix [1] for the input_event API change [2], to fix
building on 32 bit Alpine (and presumably other distributions).

[1] https://gitlab.gnome.org/GNOME/vala/-/commit/dbe4b716a8d79704
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=152194fe9c3f

Fixes martinpitt#120

meson.build

@@ -52,6 +52,7 @@ python = find_program('python3', 'python', required: false)
 
 vapi_posix = valac.find_library('posix')
 vapi_linux = valac.find_library('linux')
+vapi_linux_fixes = valac.find_library('linux_fixes', dirs: srcdir)
 vala_libudev = cc.find_library('udev')
 vala_libutil = cc.find_library('util')
 
@@ -98,7 +99,7 @@ umockdev_lib = shared_library('umockdev',
    'src/uevent_sender.c'],
   vala_vapi: 'umockdev-1.0.vapi',
   vala_gir: 'UMockdev-1.0.gir',
-  dependencies: [glib, gobject, gio, gio_unix, vapi_posix, vapi_linux, vala_libudev, vala_libutil],
+  dependencies: [glib, gobject, gio, gio_unix, vapi_posix, vapi_linux, vapi_linux_fixes, vala_libudev, vala_libutil],
   link_depends: ['src/umockdev.map'],
   link_args: [
     '-Wl,-export-dynamic',

src/linux_fixes.vapi

@@ -0,0 +1,19 @@
+[CCode (cprefix = "", lower_case_cprefix = "")]
+namespace LinuxFixes {
+
+    [CCode (cprefix = "", lower_case_cprefix = "")]
+    namespace Input {
+
+        // https://gitlab.gnome.org/GNOME/vala/-/commit/dbe4b716a8d79704
+        [CCode (cname = "struct input_event", has_type_id = false, cheader_filename = "linux/input.h")]
+        public struct Event {
+            [Version (deprecated = true, replacement = "Event.input_event_sec and Event.input_event_usec")]
+            public Posix.timeval time;
+            public time_t input_event_sec;
+            public long input_event_usec;
+            public uint16 type;
+            public uint16 code;
+            public int32 value;
+        }
+    }
+}

src/umockdev.vala

@@ -890,7 +890,7 @@ public class Testbed: GLib.Object {
         string? recorded_dev = null;
         size_t len;
         MatchInfo match;
-        Linux.Input.Event ev = {};
+        LinuxFixes.Input.Event ev = {};
         var default_dev_re = new Regex("^# device (.*)$");
         var event_re = new Regex("^E: ([0-9]+)\\.([0-9]+) +([0-9a-fA-F]+) +([0-9a-fA-F]+) +(-?[0-9]+) *#?");
 
@@ -916,17 +916,17 @@ public class Testbed: GLib.Object {
                 delay = 0;
                 first = false;
             } else {
-                delay = (int) (ev_sec - ev.time.tv_sec) * 1000 + (int) (ev_usec - ev.time.tv_usec) / 1000;
+                delay = (int) (ev_sec - ev.input_event_sec) * 1000 + (int) (ev_usec - ev.input_event_usec) / 1000;
                 if (delay < 0)
                     delay = 0;
             }
-            ev.time.tv_sec = ev_sec;
-            ev.time.tv_usec = ev_usec;
+            ev.input_event_sec = ev_sec;
+            ev.input_event_usec = ev_usec;
             ev.type = (uint16) match.fetch(3).to_ulong(null, 16);
             ev.code = (uint16) match.fetch(4).to_ulong(null, 16);
             ev.value = int.parse(match.fetch(5));
 
-            uint8[] ev_data = new uint8[sizeof(Linux.Input.Event)];
+            uint8[] ev_data = new uint8[sizeof(LinuxFixes.Input.Event)];
             Posix.memcpy(ev_data, &ev, ev_data.length);
             string script_line = "r " + delay.to_string() + " " + ScriptRunner.encode(ev_data) + "\n";
             assert (Posix.write(script_fd, script_line, script_line.length) == script_line.length);