Consolidate the occurrances of the prime used as the multiplier when hashing

to a single #define instead of having several copies in several files.

This excludes the Modules/ tree (datetime and expat both have a copy
for their own purposes with no need for it to be the same).

3 files changed, 3 insertions, 3 deletions

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index b10cb5d..8249e5f 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -881,7 +881,7 @@ bytes_hash(PyBytesObject *a)
     p = (unsigned char *) a->ob_sval;
     x = *p << 7;
     while (--len >= 0)
-        x = (1000003*x) ^ *p++;
+        x = (_PyHASH_MULTIPLIER*x) ^ *p++;
     x ^= Py_SIZE(a);
     if (x == -1)
         x = -2;
diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 8aacd12..f6dbc31 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -315,7 +315,7 @@ tuplehash(PyTupleObject *v)
     register Py_hash_t x, y;
     register Py_ssize_t len = Py_SIZE(v);
     register PyObject **p;
-    Py_hash_t mult = 1000003L;
+    Py_hash_t mult = _PyHASH_MULTIPLIER;
     x = 0x345678L;
     p = v->ob_item;
     while (--len >= 0) {
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index c4cfe1b..20528b9 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -7666,7 +7666,7 @@ unicode_hash(PyUnicodeObject *self)
     p = self->str;
     x = *p << 7;
     while (--len >= 0)
-        x = (1000003*x) ^ *p++;
+        x = (_PyHASH_MULTIPLIER*x) ^ *p++;
     x ^= Py_SIZE(self);
     if (x == -1)
         x = -2;