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add check to free

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This commit is contained in:
Chris Cromer 2021-07-17 16:58:38 -04:00
parent 13d46e8c60
commit b1dc92ba92
1 changed files with 4 additions and 1 deletions
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5
src/loop.c
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@ -51,7 +51,10 @@ void loop() {
atexit(exit_cleanup);
char *cwd = get_working_directory();
set_array_list(variables, "PWD", cwd);
free(cwd);
if (cwd != NULL) {
free(cwd);
cwd = NULL;
}
while (1) {
print_input_line();