From 4a427b6acf8fcc7ee8d1318faabf147d29d3a866 Mon Sep 17 00:00:00 2001
From: Zuhaitz Méndez Fernández de Aránguiz <zuhaitz@debian>
Date: Mon, 12 Jan 2026 23:55:44 +0000
Subject: Added hash seed randomizer and fixed truncation bug int variables

---
 std/core.zc | 2 ++
 std/map.zc  | 3 ++-
 std/set.zc  | 3 ++-
 std/time.zc | 9 +++++++++
 4 files changed, 15 insertions(+), 2 deletions(-)

(limited to 'std')

diff --git a/std/core.zc b/std/core.zc
index daf6a96..bfa82ea 100644
--- a/std/core.zc
+++ b/std/core.zc
@@ -4,3 +4,5 @@ include <string.h>
 include <stdio.h>
 include <stdbool.h>
 include <stdarg.h>
+
+var __zen_hash_seed: usize = 14695981039346656037;
\ No newline at end of file
diff --git a/std/map.zc b/std/map.zc
index cd54f3d..a7bae69 100644
--- a/std/map.zc
+++ b/std/map.zc
@@ -3,8 +3,9 @@ import "./core.zc"
 import "./option.zc"
 
 raw {
+    extern size_t __zen_hash_seed;
     size_t _map_hash_str(const char* str) {
-        size_t hash = 14695981039346656037UL;
+        size_t hash = __zen_hash_seed;
         while (*str) {
             hash ^= (unsigned char)*str++;
             hash *= 1099511628211UL;
diff --git a/std/set.zc b/std/set.zc
index b5a2e58..1de43ac 100644
--- a/std/set.zc
+++ b/std/set.zc
@@ -3,8 +3,9 @@ import "./core.zc"
 import "./option.zc"
 
 raw {
+    extern size_t __zen_hash_seed;
     size_t _set_hash(const void* data, size_t len) {
-        size_t hash = 14695981039346656037UL;
+        size_t hash = __zen_hash_seed;
         const unsigned char* bytes = (const unsigned char*)data;
         for (size_t i = 0; i < len; i++) {
             hash ^= bytes[i];
diff --git a/std/time.zc b/std/time.zc
index 72e611a..1191821 100644
--- a/std/time.zc
+++ b/std/time.zc
@@ -29,7 +29,16 @@ impl Duration {
 
 struct Time {}
 
+extern size_t __zen_hash_seed;
+
 impl Time {
+    fn randomize_hash() {
+        raw {
+            srand(time(NULL));
+            __zen_hash_seed ^= (size_t)rand();
+        }
+    }
+
     fn now() -> U64 {
         return _time_now_impl();
     }
-- 
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