Big-Endian Applications

1#include "SDL.h"
2
3void SendPacket(SDL_RWops* Network,
4                uint32_t Value) {
5  // Use big-endian for network protocols
6  SDL_WriteBE32(Network, Value); 
7}
8
9void SendPlayerData(SDL_RWops* Network,
10                    uint16_t Level,
11                    uint32_t Score) {
12  // Network protocols typically use big-endian
13  SDL_WriteBE16(Network, Level); 
14  SDL_WriteBE32(Network, Score); 
15}

1#include "SDL.h"
2
3bool IsPNGFile(SDL_RWops* Handle) {
4  // PNG files start with a big-endian signature
5  uint32_t Signature{SDL_ReadBE32(Handle)}; 
6
7  // PNG magic number
8  return Signature == 0x89504E47;
9}
10
11void WriteMIDIEvent(SDL_RWops* Handle,
12  uint32_t DeltaTime, uint8_t Event) {
13  // MIDI files use big-endian
14  SDL_WriteBE32(Handle, DeltaTime); 
15  SDL_WriteU8(Handle, Event);
16}

1#include <iomanip>
2#include <iostream>
3#include "SDL.h"
4
5void CompareFormats() {
6  uint32_t Value{0x12345678};
7
8  SDL_RWops* Handle{
9    SDL_RWFromFile("compare.bin", "wb")};
10  if (!Handle) { return; }
11
12  SDL_WriteBE32(Handle, Value); 
13  SDL_WriteLE32(Handle, Value); 
14
15  SDL_RWclose(Handle);
16
17  std::cout << "Hex dump of file:\n"
18    << "Big-endian : 12 34 56 78\n"
19    << "Little-endian: 78 56 34 12\n";
20}
21
22int main() { CompareFormats(); }