Go back to using std.ChildProcess

The bug with this was fixed by https://github.com/ziglang/zig/pull/4970.

 src/c.zig        |  1 -
 src/command.zig  | 20 ++++++++++++--------
 src/config.zig   |  2 +-
 src/keyboard.zig |  4 ++--
 4 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/src/c.zig b/src/c.zig
index 30a91a6..30d7340 100644
--- a/src/c.zig
+++ b/src/c.zig
@@ -2,7 +2,6 @@ pub usingnamespace @cImport({
     @cDefine("WLR_USE_UNSTABLE", {});
     @cInclude("time.h");
     @cInclude("stdlib.h");
-    @cInclude("unistd.h");
     @cInclude("wayland-server-core.h");
     //@cInclude("wlr/backend.h");
     //@cInclude("wlr/render/wlr_renderer.h");
diff --git a/src/command.zig b/src/command.zig
index 6b4ec07..ab290c8 100644
--- a/src/command.zig
+++ b/src/command.zig
@@ -9,7 +9,7 @@ pub const Arg = union {
     int: i32,
     uint: u32,
     float: f64,
-    cstr: [*:0]const u8,
+    str: []const u8,
     none: void,
 };
 
@@ -109,13 +109,17 @@ pub fn toggleFocusedViewTags(server: *Server, arg: Arg) void {
 /// Spawn a program.
 /// TODO: make this take a program as a paramter and spawn that
 pub fn spawn(server: *Server, arg: Arg) void {
-    const cmd = arg.cstr;
-    if (c.fork() == 0) {
-        const terminator: ?*u8 = null;
-        if (c.execl("/bin/sh", "/bin/sh", "-c", cmd, terminator) == -1) {
-            Log.Error.log("Failed to execute command {}", .{cmd});
-        }
-    }
+    const cmd = arg.str;
+
+    const argv = [_][]const u8{ "/bin/sh", "-c", cmd };
+    const child = std.ChildProcess.init(&argv, std.heap.c_allocator) catch |err| {
+        Log.Error.log("Failed to execute {}: {}", .{ cmd, err });
+        return;
+    };
+    std.ChildProcess.spawn(child) catch |err| {
+        Log.Error.log("Failed to execute {}: {}", .{ cmd, err });
+        return;
+    };
 }
 
 /// Close the focused view, if any.
diff --git a/src/config.zig b/src/config.zig
index c4e7f23..99de35b 100644
--- a/src/config.zig
+++ b/src/config.zig
@@ -54,7 +54,7 @@ pub const Config = struct {
         try self.keybinds.append(Keybind{ .keysym = c.XKB_KEY_h, .modifiers = mod | c.WLR_MODIFIER_SHIFT, .command = command.modifyMasterCount, .arg = .{ .int = 1 } });
         try self.keybinds.append(Keybind{ .keysym = c.XKB_KEY_l, .modifiers = mod | c.WLR_MODIFIER_SHIFT, .command = command.modifyMasterCount, .arg = .{ .int = -1 } });
 
-        try self.keybinds.append(Keybind{ .keysym = c.XKB_KEY_Return, .modifiers = mod | c.WLR_MODIFIER_SHIFT, .command = command.spawn, .arg = .{ .cstr = "alacritty" } });
+        try self.keybinds.append(Keybind{ .keysym = c.XKB_KEY_Return, .modifiers = mod | c.WLR_MODIFIER_SHIFT, .command = command.spawn, .arg = .{ .str = "alacritty" } });
 
         try self.keybinds.append(Keybind{ .keysym = c.XKB_KEY_1, .modifiers = mod | c.WLR_MODIFIER_SHIFT, .command = command.setFocusedViewTags, .arg = .{ .uint = 1 << 0 } });
         try self.keybinds.append(Keybind{ .keysym = c.XKB_KEY_2, .modifiers = mod | c.WLR_MODIFIER_SHIFT, .command = command.setFocusedViewTags, .arg = .{ .uint = 1 << 1 } });
diff --git a/src/keyboard.zig b/src/keyboard.zig
index 83bc745..af2786f 100644
--- a/src/keyboard.zig
+++ b/src/keyboard.zig
@@ -17,7 +17,7 @@ pub const Keyboard = struct {
     pub fn init(self: *Self, seat: *Seat, device: *c.wlr_input_device) !void {
         self.seat = seat;
         self.device = device;
-        self.wlr_keyboard = device.unnamed_136.keyboard;
+        self.wlr_keyboard = device.unnamed_133.keyboard;
 
         // We need to prepare an XKB keymap and assign it to the keyboard. This
         // assumes the defaults (e.g. layout = "us").
@@ -78,7 +78,7 @@ pub const Keyboard = struct {
             @alignCast(@alignOf(*c.wlr_event_keyboard_key), data),
         );
 
-        const wlr_keyboard: *c.wlr_keyboard = keyboard.device.unnamed_136.keyboard;
+        const wlr_keyboard: *c.wlr_keyboard = keyboard.device.unnamed_133.keyboard;
 
         // Translate libinput keycode -> xkbcommon
         const keycode = event.keycode + 8;