==127158== Memcheck, a memory error detector
==127158== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==127158== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==127158== Command: ./memory_leak
==127158== 
@@@==127158== 
==127158== HEAP SUMMARY:
==127158==     in use at exit: 4 bytes in 1 blocks
==127158==   total heap usage: 1 allocs, 0 frees, 4 bytes allocated
==127158== 
==127158== 4 bytes in 1 blocks are definitely lost in loss record 1 of 1
==127158==    at 0x4C29F73: malloc (vg_replace_malloc.c:309)
==127158==    by 0x4005E5: repeat_char (memory_leak.c:2)
==127158==    by 0x400699: main (memory_leak.c:17)
==127158== 
==127158== LEAK SUMMARY:
==127158==    definitely lost: 4 bytes in 1 blocks
==127158==    indirectly lost: 0 bytes in 0 blocks
==127158==      possibly lost: 0 bytes in 0 blocks
==127158==    still reachable: 0 bytes in 0 blocks
==127158==         suppressed: 0 bytes in 0 blocks
==127158== 
==127158== For lists of detected and suppressed errors, rerun with: -s
==127158== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)