[Python-checkins] r70684 - python/trunk/Objects/unicodeobject.c

[mark.dickinson]

Author: mark.dickinson
Date: Sun Mar 29 18:24:29 2009
New Revision: 70684

Log:
Issue #532631: Apply floatformat changes to unicodeobject.c
as well as stringobject.c.


Modified:
   python/trunk/Objects/unicodeobject.c

Modified: python/trunk/Objects/unicodeobject.c
==============================================================================
--- python/trunk/Objects/unicodeobject.c	(original)
+++ python/trunk/Objects/unicodeobject.c	Sun Mar 29 18:24:29 2009
@@ -8286,6 +8286,15 @@
         return -1;
     if (prec < 0)
         prec = 6;
+    /* make sure that the decimal representation of precision really does
+       need at most 10 digits: platforms with sizeof(int) == 8 exist! */
+    if (prec > 0x7fffffffL) {
+        PyErr_SetString(PyExc_OverflowError,
+                        "outrageously large precision "
+                        "for formatted float");
+        return -1;
+    }
+
     if (type == 'f' && fabs(x) >= 1e50)
         type = 'g';
     /* Worst case length calc to ensure no buffer overrun: