util.c: Use Python's machinery for handling 64-bit integers.

[pyke] / util.c

diff --git a/util.c b/util.c
index d4b7fb0..027033e 100644 (file)
--- a/util.c
+++ b/util.c
@@ -28,6 +28,8 @@
 
 #include "catacomb-python.h"
 
+/* #undef HAVE_LONG_LONG */
+
 /*----- External values ---------------------------------------------------*/
 
 static PyObject *modname = 0;
@@ -42,12 +44,17 @@ PyObject *getulong(unsigned long w)
     return (PyLong_FromUnsignedLong(w));
 }
 
+#ifndef HAVE_LONG_LONG
 static PyObject *i32 = 0;
 static int init_i32(void)
   { if (!i32 && (i32 = PyInt_FromLong(32)) == 0) return (-1); return (0); }
+#endif
 
 PyObject *getk64(kludge64 u)
 {
+#ifdef HAVE_LONG_LONG
+  return (PyLong_FromUnsignedLongLong(GET64(unsigned PY_LONG_LONG, u)));
+#else
   PyObject *i = 0, *j = 0, *t;
   PyObject *rc = 0;
 
@@ -63,6 +70,7 @@ end:
   if (i) Py_DECREF(i);
   if (j) Py_DECREF(j);
   return (rc);
+#endif
 }
 
 PyObject *getbool(int b)
@@ -99,15 +107,32 @@ end:
   return (0);
 }
 
+#ifdef HAVE_UINT64
+#  define CONVu64(n) do {                                              \
+     kludge64 k;                                                       \
+     uint64 t;                                                         \
+     if (!convk64(o, &k)) goto end;                                    \
+     t = GET64(uint64, k);                                             \
+     if (t > MASK##n) VALERR("out of range");                          \
+     *p = t;                                                           \
+   } while (0)
+#else
+#  define CONVu64(n) assert(!"shouldn't be possible")
+#endif
+
 #define CONVU_(n)                                                      \
   int convu##n(PyObject *o, void *pp)                                  \
   {                                                                    \
     unsigned long u;                                                   \
     uint##n *p = pp;                                                   \
                                                                        \
-    if (!convulong(o, &u)) goto end;                                   \
-    if (u > MASK##n) VALERR("out of range");                           \
-    *p = u;                                                            \
+    if (MASK##n > ULONG_MAX)                                           \
+      CONVu64(n);                                                      \
+    else {                                                             \
+      if (!convulong(o, &u)) goto end;                                 \
+      if (u > MASK##n) VALERR("out of range");                         \
+      *p = u;                                                          \
+    }                                                                  \
     return (1);                                                                \
   end:                                                                 \
     return (0);                                                                \
@@ -129,10 +154,22 @@ end:
 
 int convk64(PyObject *o, void *pp)
 {
-  PyObject *i = 0, *t;
+  PyObject *i = 0;
   int rc = 0;
+#if HAVE_LONG_LONG
+  unsigned PY_LONG_LONG t;
+#else
+  PyObject *t;
   uint32 lo, hi;
+#endif
 
+  if (!o) VALERR("can't delete");
+#if HAVE_LONG_LONG
+  if ((i = PyNumber_Long(o)) == 0) goto end;
+  t = PyLong_AsUnsignedLongLong(i);
+  if (t == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred()) goto end;
+  ASSIGN64(*(kludge64 *)pp, t);
+#else
   if (init_i32()) goto end;
   if ((i = PyNumber_Int(o)) == 0) goto end;
   lo = PyInt_AsUnsignedLongMask(i);
@@ -143,7 +180,9 @@ int convk64(PyObject *o, void *pp)
   Py_DECREF(i); i = t;
   if (PyObject_IsTrue(i)) VALERR("out of range");
   SET64(*(kludge64 *)pp, hi, lo);
+#endif
   rc = 1;
+
 end:
   if (i) Py_DECREF(i);
   return (rc);