magiskinit code tidy-up

native/jni/init/raw_data.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <utils.hpp>
+
+struct data_holder {
+	uint8_t *buf = nullptr;
+	size_t sz = 0;
+	using str_pairs = std::initializer_list<std::pair<std::string_view, std::string_view>>;
+	int patch(str_pairs list);
+	bool contains(std::string_view pattern);
+protected:
+	void consume(data_holder &other);
+};
+
+enum data_type { HEAP, MMAP };
+template <data_type T>
+struct auto_data : public data_holder {
+	auto_data<T>() = default;
+	auto_data<T>(const auto_data&) = delete;
+	auto_data<T>(auto_data<T> &&other) { consume(other); }
+	~auto_data<T>() {}
+	auto_data<T>& operator=(auto_data<T> &&other) { consume(other); return *this; }
+};
+template <> inline auto_data<MMAP>::~auto_data<MMAP>() { if (buf) munmap(buf, sz); }
+template <> inline auto_data<HEAP>::~auto_data<HEAP>() { free(buf); }
+
+namespace raw_data {
+	auto_data<HEAP> read(const char *name);
+	auto_data<HEAP> read(int fd);
+	auto_data<MMAP> mmap_rw(const char *name);
+	auto_data<MMAP> mmap_ro(const char *name);
+}