From b4dbeed57af31ba6b03c3eda36168d36c26de954 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sat, 23 Nov 2019 15:05:39 +0000
Subject: [PATCH 1/1] pyke/pyke-mLib.c: Raise `OverflowError' on out-of-range
 inputs.

This seems to match better what Python does under these conditions.
---
 pyke/pyke-mLib.c  | 6 +++---
 t/t-algorithms.py | 3 +--
 t/t-buffer.py     | 3 +--
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/pyke/pyke-mLib.c b/pyke/pyke-mLib.c
index 30f6735..900dc41 100644
--- a/pyke/pyke-mLib.c
+++ b/pyke/pyke-mLib.c
@@ -70,7 +70,7 @@ end:
      uint64 t;								\
      if (!convk64(o, &k)) goto end;					\
      t = GET64(uint64, k);						\
-     if (t > MASK##n) VALERR("out of range");				\
+     if (t > MASK##n) OVFERR("out of range");				\
      *p = t;								\
    } while (0)
 #else
@@ -87,7 +87,7 @@ end:
       CONVu64(n);							\
     else {								\
       if (!convulong(o, &u)) goto end;					\
-      if (u > MASK##n) VALERR("out of range");				\
+      if (u > MASK##n) OVFERR("out of range");				\
       *p = u;								\
     }									\
     return (1);								\
@@ -121,7 +121,7 @@ int convk64(PyObject *o, void *pp)
   hi = PyInt_AsUnsignedLongMask(i);
   if ((t = PyNumber_InPlaceRshift(i, i32)) == 0) goto end;
   Py_DECREF(i); i = t;
-  if (PyObject_IsTrue(i)) VALERR("out of range");
+  if (PyObject_IsTrue(i)) OVFERR("out of range");
   SET64(*(kludge64 *)pp, hi, lo);
 #endif
   rc = 1;
diff --git a/t/t-algorithms.py b/t/t-algorithms.py
index 261c53b..593e6cf 100644
--- a/t/t-algorithms.py
+++ b/t/t-algorithms.py
@@ -76,8 +76,7 @@ class HashBufferTestMixin (U.TestCase):
 
     ## Check overflow detection.
     h0, _ = makefn(w)
-    me.assertRaises((OverflowError, ValueError),
-                    hashfn, h0, 1 << 8*w)
+    me.assertRaises(OverflowError, hashfn, h0, 1 << 8*w)
 
   def check_hashbuffer_bufn(me, w, bigendp, makefn, hashfn):
     """Check `hashbufN'."""
diff --git a/t/t-buffer.py b/t/t-buffer.py
index 21a83d8..db51226 100644
--- a/t/t-buffer.py
+++ b/t/t-buffer.py
@@ -186,8 +186,7 @@ class TestWriteBuffer (U.TestCase):
     me.assertEqual(putfn(C.WriteBuffer(), C.MP(0)).contents, w*C.bytes("00"))
 
     ## Check overflow detection.
-    me.assertRaises((OverflowError, ValueError),
-                    putfn, C.WriteBuffer(), 1 << 8*w)
+    me.assertRaises(OverflowError, putfn, C.WriteBuffer(), 1 << 8*w)
 
   def check_putbufn(me, w, bigendp, putfn):
     """Check `putblkN'."""
-- 
2.11.0