==19564== Memcheck, a memory error detector
==19564== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==19564== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==19564== Command: ./pixelsort -i test.png -o test.png -t127
==19564==
Processing…
Writing…
==19564==
==19564== HEAP SUMMARY:
==19564== in use at exit: 345,566 bytes in 19 blocks
==19564== total heap usage: 718 allocs, 699 frees, 2,146,850 bytes allocated
==19564==
==19564== LEAK SUMMARY:
==19564== definitely lost: 3,392 bytes in 4 blocks
==19564== indirectly lost: 342,174 bytes in 15 blocks
==19564== possibly lost: 0 bytes in 0 blocks
==19564== still reachable: 0 bytes in 0 blocks
==19564== suppressed: 0 bytes in 0 blocks
==19564== Rerun with --leak-check=full to see details of leaked memory
==19564==
==19564== For counts of detected and suppressed errors, rerun with: -v
==19564== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)```
Sample output :