remove uneccessary alloc from playtwitch

scripts/playtwitch/src/State.zig

@@ -23,7 +23,7 @@ chatty: bool,
 chatty_alive: bool,
 
 /// an array of channels, composed of slices into `channels_file_data`
-channels: ?[]*ChannelEntry,
+channels: ?[]ChannelEntry,
 
 /// the data of the channels configuration file
 channels_file_data: ?[]u8,
@@ -90,9 +90,6 @@ pub fn deinit(self: *Self) void {
     self.freeStreamlinkMemfd();
 
     if (self.channels) |ch| {
-        for (ch) |e| {
-            std.heap.c_allocator.destroy(e);
-        }
         std.heap.c_allocator.free(ch);
     }
 

scripts/playtwitch/src/config.zig

@@ -26,7 +26,7 @@ pub fn configLoaderThread(state: *State) !void {
     defer file.close();
 
     const channels_data = try file.readToEndAlloc(std.heap.c_allocator, std.math.maxInt(usize));
-    var channels = std.ArrayList(*State.ChannelEntry).init(std.heap.c_allocator);
+    var channels = std.ArrayList(State.ChannelEntry).init(std.heap.c_allocator);
 
     var channels_iter = std.mem.split(u8, channels_data, "\n");
     while (channels_iter.next()) |line| {
@@ -49,14 +49,10 @@ pub fn configLoaderThread(state: *State) !void {
             break :blk comment_trimmed;
         };
 
-        const entry = try std.heap.c_allocator.create(State.ChannelEntry);
-
-        entry.* = .{
+        try channels.append(.{
             .name = channel_trimmed,
             .comment = comment_trimmed,
-        };
-
-        try channels.append(entry);
+        });
     }
 
     const end_time = std.time.milliTimestamp();

scripts/playtwitch/src/live.zig

@@ -8,7 +8,7 @@ pub fn reloadLiveThread(s: *State) !void {
         s.mutex.lock();
         defer s.mutex.unlock();
 
-        for (s.channels.?) |chan| {
+        for (s.channels.?) |*chan| {
             chan.live = .loading;
         }
     }
@@ -45,7 +45,7 @@ pub fn fetchChannelsLive(s: *State) !void {
     // we shouldn't need to aquire the mutex here, this data isnt being read and we're
     // only doing atomic writes.
     var fmt_buf: [512]u8 = undefined;
-    for (s.channels.?) |chan| {
+    for (s.channels.?) |*chan| {
         page_buf.clearRetainingCapacity();
 
         log.info("requesting live state for channel {s}", .{chan.name});