mirror of
https://github.com/boykopovar/AnyPS5.git
synced 2026-10-21 08:12:09 -05:00
PacukaandClaude Opus 5.5
d1c25097e3
Fill the buffer from std::random_device and reject a null buffer or a size above SCE_RANDOM_MAX_SIZE (64) with SCE_RANDOM_ERROR_INVALID, as the system library does. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
30 lines
793 B
C++
30 lines
793 B
C++
#include <cstdint>
|
|
#include <cstddef>
|
|
#include <cstring>
|
|
#include <algorithm>
|
|
#include <random>
|
|
#include "SceTypes.hpp"
|
|
#include "prx/libc/include/General.hpp"
|
|
|
|
namespace {
|
|
|
|
constexpr int SCE_RANDOM_ERROR_INVALID = static_cast<int>(0x817C0016);
|
|
constexpr std::size_t SCE_RANDOM_MAX_SIZE = 64;
|
|
|
|
}
|
|
|
|
extern "C" {
|
|
|
|
int APS5_VABI sceRandomGetRandomNumber(void* buf, size_t size) {
|
|
if (!buf || size > SCE_RANDOM_MAX_SIZE) return SCE_RANDOM_ERROR_INVALID;
|
|
static thread_local std::random_device device;
|
|
auto* bytes = static_cast<unsigned char*>(buf);
|
|
for (std::size_t offset = 0; offset < size; offset += sizeof(unsigned int)) {
|
|
const unsigned int value = device();
|
|
std::memcpy(bytes + offset, &value, std::min(sizeof(value), size - offset));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
}
|