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koboldcpp/otherarch/sdcpp/model_io/binary_io.h
T
Wagner Bruna e2bdd6d7aa sd: sync to master-591-331cfa5 (#2155)
* sd: sync to master-585-44cca3d

* sd: sync to master-587-b8bdffc

* sd: sync to master-591-331cfa5
2026-05-01 16:33:28 +08:00

58 lines
1.8 KiB
C++

#ifndef __SD_MODEL_IO_BINARY_IO_H__
#define __SD_MODEL_IO_BINARY_IO_H__
#include <cstdint>
#include <ostream>
namespace model_io {
inline int32_t read_int(const uint8_t* buffer) {
uint32_t value = 0;
value |= static_cast<uint32_t>(buffer[3]) << 24;
value |= static_cast<uint32_t>(buffer[2]) << 16;
value |= static_cast<uint32_t>(buffer[1]) << 8;
value |= static_cast<uint32_t>(buffer[0]);
return static_cast<int32_t>(value);
}
inline uint16_t read_short(const uint8_t* buffer) {
uint16_t value = 0;
value |= static_cast<uint16_t>(buffer[1]) << 8;
value |= static_cast<uint16_t>(buffer[0]);
return value;
}
inline uint64_t read_u64(const uint8_t* buffer) {
uint64_t value = 0;
value |= static_cast<uint64_t>(buffer[7]) << 56;
value |= static_cast<uint64_t>(buffer[6]) << 48;
value |= static_cast<uint64_t>(buffer[5]) << 40;
value |= static_cast<uint64_t>(buffer[4]) << 32;
value |= static_cast<uint64_t>(buffer[3]) << 24;
value |= static_cast<uint64_t>(buffer[2]) << 16;
value |= static_cast<uint64_t>(buffer[1]) << 8;
value |= static_cast<uint64_t>(buffer[0]);
return value;
}
inline void write_u64(std::ostream& stream, uint64_t value) {
uint8_t buffer[8];
for (int i = 0; i < 8; ++i) {
buffer[i] = static_cast<uint8_t>((value >> (8 * i)) & 0xFF);
}
stream.write((const char*)buffer, sizeof(buffer));
}
inline int find_char(const uint8_t* buffer, int len, char c) {
for (int pos = 0; pos < len; pos++) {
if (buffer[pos] == (uint8_t)c) {
return pos;
}
}
return -1;
}
} // namespace model_io
#endif // __SD_MODEL_IO_BINARY_IO_H__