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Fix memory leaks.

This commit is contained in:
Brian Taylor 2022-11-08 19:28:23 -08:00 committed by Holger Vogt
parent 4294f49968
commit aa2f3b7bbb
1 changed files with 16 additions and 2 deletions
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18
src/frontend/logicexp.c
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@ -874,8 +874,13 @@ static PTABLE optimize_gen_tab(PTABLE pt)
DS_CREATE(non_tmp_name, 64);
DS_CREATE(tmp_name, 64);
if (!pt || !pt->first)
if (!pt || !pt->first) {
ds_free(&scratch);
ds_free(&alias);
ds_free(&non_tmp_name);
ds_free(&tmp_name);
return NULL;
}
t = pt->first;
lxr = new_lexer(t->line);
/* Look for tmp... = another_name
@ -1043,6 +1048,10 @@ static PTABLE optimize_gen_tab(PTABLE pt)
} // end of while (t) second pass
quick_return:
if (new_gen && new_gen->num_entries == 0) {
delete_parse_table(new_gen);
new_gen = NULL;
}
ds_free(&alias);
ds_free(&scratch);
ds_free(&non_tmp_name);
@ -1069,8 +1078,13 @@ static void gen_gates(PTABLE gate_tab, SYM_TAB parser_symbols)
DS_CREATE(gate_name, 64);
DS_CREATE(instance, 128);
if (!gate_tab || !gate_tab->first)
if (!gate_tab || !gate_tab->first) {
ds_free(&out_name);
ds_free(&in_names);
ds_free(&gate_name);
ds_free(&instance);
return;
}
t = gate_tab->first;
lxr = new_lexer(t->line);
while (t) {