From 048d28b28dcaba3b0773c129d8dd63084420b01e Mon Sep 17 00:00:00 2001
From: Nicolas James <Eele1Ephe7uZahRie@tutanota.com>
Date: Thu, 13 Feb 2025 17:29:05 +1100
Subject: initial commit

---
 src/memory/memory.hh | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 src/memory/memory.hh

(limited to 'src/memory/memory.hh')

diff --git a/src/memory/memory.hh b/src/memory/memory.hh
new file mode 100644
index 0000000..c35feea
--- /dev/null
+++ b/src/memory/memory.hh
@@ -0,0 +1,43 @@
+#ifndef MEMORY_MEMORY_HH_
+#define MEMORY_MEMORY_HH_
+
+#include <cstddef>
+#include <cstring>
+#include <sys/uio.h>
+#include <vector>
+#include <stdexcept>
+
+namespace memory {
+
+using buffer_t = std::vector<std::byte>;
+
+buffer_t read_buffer(const std::size_t num_bytes, const pid_t& pid,
+                            const void* const address);
+void write_buffer(const buffer_t& buffer, const pid_t& pid,
+                  const void* const address);
+
+template <typename T>
+T read(const pid_t& pid, const void* const address) {
+    static_assert(std::is_trivially_copyable<T>::value);
+
+    const buffer_t data = read_buffer(sizeof(T), pid, address);
+    T ret;
+    std::memcpy(&ret, std::data(data), sizeof(T));
+    return std::move(ret);
+}
+
+template <typename T>
+void write(const T& data, const pid_t& pid, const void* const address) {
+    static_assert(std::is_trivially_copyable<T>::value);
+
+    const buffer_t buffer = [&]() {
+        buffer_t buffer{sizeof(T)};
+        std::memcpy(std::data(buffer), &data, sizeof(T));
+        return buffer;
+    }();
+    write_buffer(buffer, pid, address);
+}
+
+} // namespace memory
+
+#endif
-- 
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