tokhash.pl: "ix" should have the same width as the "hash" arrays

For correctness in case of a very "linear" graph, "ix" needs to have
the same width as the "hash" arrays.

1 files changed, 3 insertions, 1 deletions

diff --git a/tokhash.pl b/tokhash.pl
index 58109fd..4730a8b 100755
--- a/tokhash.pl
+++ b/tokhash.pl
@@ -171,7 +171,9 @@ print "\t};\n\n";
 
 print "\tuint32_t k1 = 0, k2 = 0;\n";
 print "\tuint8_t c;\n";
-print "\tunsigned int ix;\n";
+# For correct overflow behavior, "ix" should be unsigned of the same
+# width as the hash arrays.
+print "\tuint16_t ix;\n";
 print "\tconst struct tokendata *data;\n";
 print "\tconst char *p = token;\n";
 print "\n";