# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1252625238 -7200
# Node ID 1293ffb9e43b1d38a6ad7686fe8cd728312d39f7
# Parent  f0655c38ee18341a62731f8e2076f7b82f313361
Fixed Pyrex implementation for numbers from 0 to 127 inclusive.

diff -r f0655c38ee18 -r 1293ffb9e43b iixr.py
--- a/iixr.py	Fri Sep 11 01:21:09 2009 +0200
+++ b/iixr.py	Fri Sep 11 01:27:18 2009 +0200
@@ -48,7 +48,17 @@
 # Utility functions.
 
 try:
-    from vint import vint
+    from vint import vint as _vint
+
+    def vint(number):
+
+        "Write 'number' as a variable-length integer."
+
+        if number >= 0:
+            return _vint(number)
+        else:
+            raise ValueError, "Number %r is negative." % number
+
 except ImportError:
 
     def vint(number):
diff -r f0655c38ee18 -r 1293ffb9e43b vint.c
--- a/vint.c	Fri Sep 11 01:21:09 2009 +0200
+++ b/vint.c	Fri Sep 11 01:27:18 2009 +0200
@@ -1,4 +1,4 @@
-/* Generated by Pyrex 0.9.6.4 on Fri Sep 11 01:17:16 2009 */
+/* Generated by Pyrex 0.9.6.4 on Fri Sep 11 01:26:01 2009 */
 
 #define PY_SSIZE_T_CLEAN
 #include "Python.h"
@@ -61,41 +61,62 @@
   __pyx_v_s = Py_None; Py_INCREF(Py_None);
 
   /* "/home/paulb/Software/Python/iixr/vint.pyx":11 */
+  __pyx_1 = (__pyx_v_number < 128);
+  if (__pyx_1) {
+
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":12 */
+    (__pyx_v_bytes[0]) = __pyx_v_number;
+
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":13 */
+    __pyx_2 = PyString_FromStringAndSize(__pyx_v_bytes,1); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 13; goto __pyx_L1;}
+    Py_DECREF(__pyx_v_s);
+    __pyx_v_s = __pyx_2;
+    __pyx_2 = 0;
+
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":14 */
+    Py_INCREF(__pyx_v_s);
+    __pyx_r = __pyx_v_s;
+    goto __pyx_L0;
+    goto __pyx_L2;
+  }
+  __pyx_L2:;
+
+  /* "/home/paulb/Software/Python/iixr/vint.pyx":16 */
   __pyx_v_i = 0;
 
-  /* "/home/paulb/Software/Python/iixr/vint.pyx":12 */
+  /* "/home/paulb/Software/Python/iixr/vint.pyx":17 */
   while (1) {
     __pyx_1 = (__pyx_v_number != 0);
     if (!__pyx_1) break;
 
-    /* "/home/paulb/Software/Python/iixr/vint.pyx":13 */
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":18 */
     __pyx_v_lsd = (__pyx_v_number & 127);
 
-    /* "/home/paulb/Software/Python/iixr/vint.pyx":14 */
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":19 */
     __pyx_v_number = (__pyx_v_number >> 7);
 
-    /* "/home/paulb/Software/Python/iixr/vint.pyx":15 */
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":20 */
     __pyx_1 = (__pyx_v_number != 0);
     if (__pyx_1) {
       __pyx_v_lsd = (__pyx_v_lsd | 128);
-      goto __pyx_L4;
+      goto __pyx_L5;
     }
-    __pyx_L4:;
+    __pyx_L5:;
 
-    /* "/home/paulb/Software/Python/iixr/vint.pyx":17 */
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":22 */
     (__pyx_v_bytes[__pyx_v_i]) = __pyx_v_lsd;
 
-    /* "/home/paulb/Software/Python/iixr/vint.pyx":18 */
+    /* "/home/paulb/Software/Python/iixr/vint.pyx":23 */
     __pyx_v_i = (__pyx_v_i + 1);
   }
 
-  /* "/home/paulb/Software/Python/iixr/vint.pyx":20 */
-  __pyx_2 = PyString_FromStringAndSize(__pyx_v_bytes,__pyx_v_i); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 20; goto __pyx_L1;}
+  /* "/home/paulb/Software/Python/iixr/vint.pyx":25 */
+  __pyx_2 = PyString_FromStringAndSize(__pyx_v_bytes,__pyx_v_i); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 25; goto __pyx_L1;}
   Py_DECREF(__pyx_v_s);
   __pyx_v_s = __pyx_2;
   __pyx_2 = 0;
 
-  /* "/home/paulb/Software/Python/iixr/vint.pyx":21 */
+  /* "/home/paulb/Software/Python/iixr/vint.pyx":26 */
   Py_INCREF(__pyx_v_s);
   __pyx_r = __pyx_v_s;
   goto __pyx_L0;
diff -r f0655c38ee18 -r 1293ffb9e43b vint.pyx
--- a/vint.pyx	Fri Sep 11 01:21:09 2009 +0200
+++ b/vint.pyx	Fri Sep 11 01:27:18 2009 +0200
@@ -8,6 +8,11 @@
     cdef char bytes[40] # NOTE: Arbitrary limit.
     cdef int lsd, i
 
+    if number < 128:
+        bytes[0] = number
+        s = PyString_FromStringAndSize(bytes, 1)
+        return s
+
     i = 0
     while number != 0:
         lsd = number & 127