Initial commit

2019-06-26 22:11:22 +02:00
commit ff36addda5
99 changed files with 18395 additions and 0 deletions
@@ -0,0 +1,59 @@
+#include <iostream>
+#include <misc/endianness.h>
+#include <cassert>
+
+union TypeBuffer {
+	char buf[8];
+	union {
+		char n8_pad[7];
+		uint8_t un8;
+	};
+	union {
+		char n16_pad[6];
+		uint16_t un16;
+	};
+	union {
+		char n32_pad[4];
+		uint32_t un32;
+	};
+	union {
+		uint64_t un64;
+	};
+};
+
+#define _T(size, n, rn)                         \
+le2be ##size(0x ##n, buffer.buf);               \
+assert(buffer.un ##size == 0x ##rn);            \
+assert(be2le ##size(buffer.buf) == 0x ##n)
+
+#define T8(_1) _T(8, _1, _1)
+#define T16(_1, _2) _T(16, _1 ##_2, _2 ##_1)
+#define T32(_1, _2, _3, _4) _T(32, _1 ##_2 ##_3 ##_4, _4 ##_3 ##_2 ##_1)
+#define T64(_1, _2, _3, _4, _5, _6, _7, _8) _T(64, _1 ##_2 ##_3 ##_4 ##_5 ##_6 ##_7 ##_8, _8 ##_7 ##_6 ##_5 ##_4 ##_3 ##_2 ##_1)
+
+int main() {
+	TypeBuffer buffer{};
+	static_assert(sizeof(buffer) == 8, "");
+
+	T8(FF);
+	T8(00);
+	T8(AF);
+	T8(7F);
+
+	T16(FF, 00);
+	T16(00, FF);
+	T16(7F, 8F);
+	T16(23, CA);
+
+	T32(FF, FF, FF, FF);
+	T32(FF, FF, 00, FF);
+	T32(F0, FF, 00, 0F);
+	T32(F0, CF, 00, 0F);
+
+	T64(FF, FF, FF, FF, FF, FF, FF, FF);
+	T64(FF, 00, 00, 00, 00, 00, 00, 00);
+
+	T64(FF, FF, 00, FF, 00, 00, 00, 00);
+	T64(F0, FF, 00, 0F, AF, BF, 0F, CF);
+	T64(F0, CF, 00, 0F, A2, 00, 03, 22);
+}