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copy with sentinel instead of manually adding it

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This commit is contained in:
Squibid 2025-12-10 14:09:44 -05:00
parent 41865d11ab
commit 60a8466fe8
Signed by: squibid
GPG key ID: BECE5684D3C4005D
1 changed files with 5 additions and 15 deletions
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20
src/RemoteLua.zig
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@ -55,15 +55,10 @@ remote: *RemoteLua,
const chunk = std.mem.sliceTo(req.lua_chunk, 0);
// TODO: this could be a lot smarter, we don't want to add return to a
// statement which already has return infront of it.
const str = std.mem.concat(gpa, u8, &[_][]const u8{ "return ", chunk }) catch {
return catchLuaFail(remote);
};
const str = std.mem.concatWithSentinel(gpa, u8, &[_][]const u8{ "return ", chunk }, 0) catch return catchLuaFail(remote);
defer gpa.free(str);
const w_sentinel = gpa.allocSentinel(u8, str.len, 0) catch Utils.oomPanic();
defer gpa.free(w_sentinel);
std.mem.copyForwards(u8, w_sentinel, str[0..str.len]);
remote.L.loadString(w_sentinel) catch catchLuaFail(remote);
remote.L.loadString(str) catch catchLuaFail(remote);
remote.L.protectedCall(.{
.results = zlua.mult_return,
}) catch catchLuaFail(remote);
@ -89,14 +84,9 @@ fn handleDestroy(_: *mez.RemoteLuaV1, remote_lua: *RemoteLua) void {
fn catchLuaFail(remote: *RemoteLua) void {
const err_txt: []const u8 = remote.L.toString(-1) catch "zig error";
const txt = std.mem.concat(gpa, u8, &[_][]const u8{ "repl: ", err_txt }) catch Utils.oomPanic();
const txt = std.mem.concatWithSentinel(gpa, u8, &[_][]const u8{ "repl: ", err_txt }, 0) catch Utils.oomPanic();
defer gpa.free(txt);
// must add the sentinel back to pass the data over the wire
const w_sentinel = gpa.allocSentinel(u8, txt.len, 0) catch Utils.oomPanic();
defer gpa.free(w_sentinel);
std.mem.copyForwards(u8, w_sentinel, txt[0..txt.len]);
sendNewLogEntry(w_sentinel);
sendNewLogEntry(txt);
return;
}