heap leak when test string_utilities.c

[siriusdemon]

Hi I met a problem when test string_utilities.c, I ran valgrind and found heap leak. But I was unable to locate and solve the problem.

---

system info

OS: Ubuntu Mate 17.10 Linux version 4.13.0-21-generic gcc version 7.2.0 valgrind: 3-13.0

---

reproduce

compile with gcc string_utilities.c -g -Wall -std=gnu11 -Dtest_ok_array `pkg-config --cflags glib-2.0` `pkg-config --libs glib-2.0` -o string_utilities

---

run with valgrind ./string_utilities

report: ==1096== Memcheck, a memory error detector ==1096== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==1096== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info ==1096== Command: ./string_utilities ==1096== OK. ==1096== ==1096== HEAP SUMMARY: ==1096== in use at exit: 18,604 bytes in 6 blocks ==1096== total heap usage: 14 allocs, 8 frees, 19,802 bytes allocated ==1096== ==1096== LEAK SUMMARY: ==1096== definitely lost: 0 bytes in 0 blocks ==1096== indirectly lost: 0 bytes in 0 blocks ==1096== possibly lost: 0 bytes in 0 blocks ==1096== still reachable: 18,604 bytes in 6 blocks ==1096== suppressed: 0 bytes in 0 blocks ==1096== Rerun with --leak-check=full to see details of leaked memory ==1096== ==1096== For counts of detected and suppressed errors, rerun with: -v ==1096== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)