#pragma once
#include <cstddef>
#include <cstdint>

namespace fetchml::common {

// Secure memory comparison - constant time regardless of input
// Returns 0 if equal, non-zero if not equal
// Timing does not depend on content of data
int secure_memcmp(const void* a, const void* b, size_t len);

// Secure memory clear - prevents compiler from optimizing away
// Use this for clearing sensitive data like keys, passwords, etc.
void secure_memzero(void* ptr, size_t len);

// Safe strncpy - always null terminates, returns -1 on truncation
// dst_size must include space for null terminator
// Returns: 0 on success, -1 if truncation occurred
int safe_strncpy(char* dst, const char* src, size_t dst_size);

} // namespace fetchml::common