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9422383 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | #ifndef YOLO26N_BUFFER_VALIDATION_H
#define YOLO26N_BUFFER_VALIDATION_H
#include <cstddef>
#include <cstdint>
namespace yolo26 {
// Returns true when the two memory ranges contain at least one common byte.
// Preprocessing and inference use this check to reject input and output buffers
// that overlap: writing output could otherwise destroy input bytes that have
// not been read yet. Empty ranges never overlap, and buffers that meet exactly
// at one range's end are adjacent rather than overlapping.
inline bool BuffersOverlap(const void* first, size_t first_bytes, const void* second,
size_t second_bytes) {
if (first_bytes == 0 || second_bytes == 0) return false;
const auto first_address = reinterpret_cast<uintptr_t>(first);
const auto second_address = reinterpret_cast<uintptr_t>(second);
// Compare the distance between start addresses. Calculating start + size
// instead could wrap around the largest address representable by uintptr_t.
if (first_address <= second_address) return second_address - first_address < first_bytes;
return first_address - second_address < second_bytes;
}
} // namespace yolo26
#endif
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