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Backport: Use default PRNG and retrieve better seed 

Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion 2024-07-27 14:25:30 +02:00
parent d87344330a
commit a807e8e11c
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GPG Key ID: 3E85EB44F610AD7F
2 changed files with 11 additions and 6 deletions
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9
src/main.zig
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@ -161,7 +161,14 @@ pub fn main() !void {
// Initialize terminal buffer
const labels_max_length = @max(lang.login.len, lang.password.len);
var buffer = TerminalBuffer.init(config, labels_max_length);
// Get a random seed for the PRNG (used by animations)
var seed: u64 = undefined;
try std.posix.getrandom(std.mem.asBytes(&seed));
var prng = std.Random.DefaultPrng.init(seed);
const random = prng.random();
var buffer = TerminalBuffer.init(config, labels_max_length, random);
// Initialize components
var desktop = try Desktop.init(allocator, &buffer, config.max_desktop_len, lang);

8
src/tui/TerminalBuffer.zig
View File

@ -4,7 +4,7 @@ const interop = @import("../interop.zig");
const utils = @import("utils.zig");
const Config = @import("../config/Config.zig");
const Random = std.rand.Random;
const Random = std.Random;
const termbox = interop.termbox;
@ -35,11 +35,9 @@ box_height: u64,
margin_box_v: u8,
margin_box_h: u8,
pub fn init(config: Config, labels_max_length: u64) TerminalBuffer {
var prng = std.rand.Isaac64.init(@intCast(std.time.timestamp()));
pub fn init(config: Config, labels_max_length: u64, random: Random) TerminalBuffer {
return .{
.random = prng.random(),
.random = random,
.width = @intCast(termbox.tb_width()),
.height = @intCast(termbox.tb_height()),
.buffer = termbox.tb_cell_buffer(),