diff --git a/storm/Memory.cpp b/storm/Memory.cpp
index 19f3882..4147c57 100644
--- a/storm/Memory.cpp
+++ b/storm/Memory.cpp
@@ -1,5 +1,7 @@
 #include "storm/Memory.hpp"
 
+#include <cstring>
+
 constexpr size_t ALIGNMENT = 8;
 
 void* SMemAlloc(size_t bytes, const char* filename, int32_t linenumber, uint32_t flags) {
@@ -21,6 +23,10 @@ void* SMemAlloc(size_t bytes, const char* filename, int32_t linenumber, uint32_t
     }
 }
 
+void SMemFill(void* ptr, size_t bytes, uint8_t value) {
+    memset(ptr, value, bytes);
+}
+
 void SMemFree(void* ptr) {
     if (ptr) {
         free(ptr);
diff --git a/storm/Memory.hpp b/storm/Memory.hpp
index 33e2b0d..e5ac2f0 100644
--- a/storm/Memory.hpp
+++ b/storm/Memory.hpp
@@ -10,6 +10,8 @@
 
 void* SMemAlloc(size_t bytes, const char* filename, int32_t linenumber, uint32_t flags = 0);
 
+void SMemFill(void* ptr, size_t bytes, uint8_t value);
+
 void SMemFree(void* ptr);
 
 void SMemFree(void* ptr, const char* filename, int32_t linenumber, uint32_t flags = 0);
diff --git a/test/Memory.cpp b/test/Memory.cpp
index a6c4593..ba67c7e 100644
--- a/test/Memory.cpp
+++ b/test/Memory.cpp
@@ -30,6 +30,27 @@ TEST_CASE("SMemAlloc", "[memory]") {
     }
 }
 
+TEST_CASE("SMemFill", "[memory]") {
+    std::vector<uint8_t> data = { 1, 255, 128, 42, 69, 99, 13, 37 };
+
+    SECTION("replaces bytes") {
+        std::vector<uint8_t> result1(8, 255);
+        SMemFill(data.data(), 8, 255);
+        CHECK_THAT(data, Catch::Matchers::Equals(result1));
+
+        std::vector<uint8_t> result2 = { 0, 0, 0, 0, 0, 255, 255, 255 };
+        SMemFill(data.data(), 5, 0);
+        CHECK_THAT(data, Catch::Matchers::Equals(result2));
+    }
+
+    SECTION("does nothing if size is 0") {
+        std::vector<uint8_t> changedata = data;
+        SMemFill(changedata.data(), 0, 255);
+
+        CHECK_THAT(changedata, Catch::Matchers::Equals(data));
+    }
+}
+
 TEST_CASE("SMemFree", "[memory]") {
     SECTION("does nothing on nullptr") {
         CHECK_NOTHROW(SMemFree(nullptr));