From d72bc2713aa04ee5239e12a3df17ce9e50985e13 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Fri, 6 Jun 2014 23:08:37 +0300
Subject: [PATCH] objint: Fix corner case in buffer access.

---
 py/objint.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/py/objint.c b/py/objint.c
index 74b756455..331fdfa1b 100644
--- a/py/objint.c
+++ b/py/objint.c
@@ -127,7 +127,7 @@ STATIC uint int_as_str_size_formatted(uint base, const char *prefix, char comma)
     return num_digits + num_commas + prefix_len + 2; // +1 for sign, +1 for null byte
 }
 
-// This routine expects you to pass in a buffer and size (in *buf and buf_size).
+// This routine expects you to pass in a buffer and size (in *buf and *buf_size).
 // If, for some reason, this buffer is too small, then it will allocate a
 // buffer and return the allocated buffer and size in *buf and *buf_size. It
 // is the callers responsibility to free this allocated buffer.
@@ -154,7 +154,7 @@ char *mp_obj_int_formatted(char **buf, int *buf_size, int *fmt_size, mp_const_ob
 #endif
     } else {
         // Not an int.
-        buf[0] = '\0';
+        **buf = '\0';
         *fmt_size = 0;
         return *buf;
     }
-- 
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