Don't pass null to memcpy

2024-05-04 18:17:02 -07:00
parent b7f3b136cc
commit 08583f2ac0
1 changed files with 6 additions and 2 deletions
--- a/VersionedMap.cpp
+++ b/VersionedMap.cpp
@@ -109,9 +109,13 @@ struct Entry {
    e->refCount = 1;
    e->priority = XXH3_64bits(key, keyLen);
    e->clearTo = clearTo;
-    memcpy((uint8_t *)e->getKey(), key, keyLen);
+    if (keyLen > 0) {
+      memcpy((uint8_t *)e->getKey(), key, keyLen);
+    }
    ((uint8_t *)e->getKey())[keyLen] = 0;
-    memcpy((uint8_t *)e->getVal(), val, std::max(valLen, 0));
+    if (valLen > 0) {
+      memcpy((uint8_t *)e->getVal(), val, valLen);
+    }
    return e;
  }
 };