+uint64_t LogicSnapshot::unpack_sample(const uint8_t *ptr) const
+{
+#ifdef HAVE_UNALIGNED_LITTLE_ENDIAN_ACCESS
+ return *(uint64_t*)ptr;
+#else
+ uint64_t value = 0;
+ switch(_unit_size) {
+ default:
+ value |= ((uint64_t)ptr[7]) << 56;
+ /* FALLTHRU */
+ case 7:
+ value |= ((uint64_t)ptr[6]) << 48;
+ /* FALLTHRU */
+ case 6:
+ value |= ((uint64_t)ptr[5]) << 40;
+ /* FALLTHRU */
+ case 5:
+ value |= ((uint64_t)ptr[4]) << 32;
+ /* FALLTHRU */
+ case 4:
+ value |= ((uint32_t)ptr[3]) << 24;
+ /* FALLTHRU */
+ case 3:
+ value |= ((uint32_t)ptr[2]) << 16;
+ /* FALLTHRU */
+ case 2:
+ value |= ptr[1] << 8;
+ /* FALLTHRU */
+ case 1:
+ value |= ptr[0];
+ /* FALLTHRU */
+ case 0:
+ break;
+ }
+ return value;
+#endif
+}
+
+void LogicSnapshot::pack_sample(uint8_t *ptr, uint64_t value)
+{
+#ifdef HAVE_UNALIGNED_LITTLE_ENDIAN_ACCESS
+ *(uint64_t*)ptr = value;
+#else
+ switch(_unit_size) {
+ default:
+ ptr[7] = value >> 56;
+ /* FALLTHRU */
+ case 7:
+ ptr[6] = value >> 48;
+ /* FALLTHRU */
+ case 6:
+ ptr[5] = value >> 40;
+ /* FALLTHRU */
+ case 5:
+ ptr[4] = value >> 32;
+ /* FALLTHRU */
+ case 4:
+ ptr[3] = value >> 24;
+ /* FALLTHRU */
+ case 3:
+ ptr[2] = value >> 16;
+ /* FALLTHRU */
+ case 2:
+ ptr[1] = value >> 8;
+ /* FALLTHRU */
+ case 1:
+ ptr[0] = value;
+ /* FALLTHRU */
+ case 0:
+ break;
+ }
+#endif
+}
+