[hackers] [scc] [cc2] Improve overflow check in cc2 || Roberto E. Vargas Caballero

[git]

commit cff1e86a7f61535db92a132d29fce0e805c8e529
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Wed Oct 5 14:06:35 2016 +0200
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Wed Oct 5 14:06:35 2016 +0200

    [cc2] Improve overflow check in cc2

diff --git a/cc2/symbol.c b/cc2/symbol.c
index 271883b..9b1fdbc 100644
--- a/cc2/symbol.c
+++ b/cc2/symbol.c
@@ -50,7 +50,7 @@ getsym(unsigned id)
        Symbol **htab, *sym;
        static unsigned short num;
 
-       if (id > USHRT_MAX)
+       if (id >= USHRT_MAX)
                error(EBADID);
 
        htab = &symtab[id & NR_SYMHASH-1];