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feat(memory): add SMemFill

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Adam Heinermann 2025-09-01 20:47:51 -07:00 • committed by fallenoak
parent 8e9fb741b6
commit 2efa5339e2
3 changed files with 29 additions and 0 deletions
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6
storm/Memory.cpp
View file

@ -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);

2
storm/Memory.hpp
View file

@ -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);

21
test/Memory.cpp
View file

@ -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));