feat: jpeg image rendering, desktop backgrounds, fix memory regression

2026-02-27 19:01:07 +01:00
parent f28b850db2
commit e95089192f
19 changed files with 9019 additions and 29 deletions
@@ -39,13 +39,14 @@ namespace heap_detail {
        g_head.next = node;
    }

-    static inline void grow(uint64_t bytes) {
+    static inline bool grow(uint64_t bytes) {
        uint64_t pages = (bytes + 0xFFF) / 0x1000;
        if (pages < 4) pages = 4;          // grow at least 16 KiB at a time

        void* mem = zenith::alloc(pages * 0x1000);
-        if (mem != nullptr)
-            insert_free(mem, pages * 0x1000);
+        if (mem == nullptr) return false;
+        insert_free(mem, pages * 0x1000);
+        return true;
    }

 } // namespace heap_detail
@@ -93,7 +94,8 @@ namespace heap_detail {
        }

        // No fit — grow and retry
-        grow(needed);
+        if (!grow(needed))
+            return nullptr;
        return malloc(size);
    }