fix memory leaks and other things in 29/btree.c #20
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I used the
valgrind
to fix the memory leak errors in the code. Hope this can help the future readers understand the book.I also did the following:
char *s = calloc(1024 * sizeof(char),1024);
to ensures
not having weird characters which will influencestrcat(s, indent);
.if (j > 0)
to give one whole Btree graph.free_node
function to ensure no crash due to the memory leak with many iterations.