such code will let tcc core dump.
//test.c
int test(a * a)
{
}
tcc -c test.c
you will get a core dump.
the following patch will fix it.
diff -u tcc-0.9.23/tcc.c tcc-0.9.23-lepton/tcc.c
--- tcc-0.9.23/tcc.c 2005-06-29 02:26:09.000000000 +0800
+++ tcc-0.9.23-lepton/tcc.c 2005-06-29 02:33:04.000000000 +0800
@@ -6839,6 +6839,8 @@
} else {
old_proto:
n = tok;
+ if(n<TOK_IDENT)
+ error("syntax error!");
pt.t = VT_INT;
next();
}
@@ -6853,7 +6855,8 @@
next();
break;
}
- }
+ } else if (tok != ')')
+ error("syntax error!");
}
/* if no parameters, then old type prototype */
if (l == 0)
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