From a54ab6a21c2d2a11098e73a4e9a72020496ecca4 Mon Sep 17 00:00:00 2001
From: "Eric V. Smith" <eric@trueblade.com>
Date: Tue, 15 Apr 2014 22:37:55 -0400
Subject: Close issue #8931: Make alternate formatting for 'c' raise an
 exception. Patch by Torsten Landschoff.

---
 Python/formatter_unicode.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Python/formatter_unicode.c')

diff --git a/Python/formatter_unicode.c b/Python/formatter_unicode.c
index e3a8149841..056bb76902 100644
--- a/Python/formatter_unicode.c
+++ b/Python/formatter_unicode.c
@@ -846,6 +846,13 @@ format_long_internal(PyObject *value, const InternalFormatSpec *format,
                             " format specifier 'c'");
             goto done;
         }
+        /* error to request alternate format */
+        if (format->alternate) {
+            PyErr_SetString(PyExc_ValueError,
+                            "Alternate form (#) not allowed with integer"
+                            " format specifier 'c'");
+            goto done;
+        }
 
         /* taken from unicodeobject.c formatchar() */
         /* Integer input truncated to a character */
-- 
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