BIND 10 trac838, updated. c166c0c96a476eea511fe363b90df3d78fae7506 [trac838] Check the iterator is not the end() iterator when dereferenced in DecodeNormalizer

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       via  c166c0c96a476eea511fe363b90df3d78fae7506 (commit)
      from  0e1eaada6f38f23e7de9404a94b2cd5dd2794879 (commit)

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- Log -----------------------------------------------------------------
commit c166c0c96a476eea511fe363b90df3d78fae7506
Author: Ocean Wang <wanghaidong at cnnic.cn>
Date:   Thu May 5 16:39:18 2011 +0800

    [trac838] Check the iterator is not the end() iterator when dereferenced in DecodeNormalizer

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Summary of changes:
 src/lib/util/encode/base_n.cc |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

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diff --git a/src/lib/util/encode/base_n.cc b/src/lib/util/encode/base_n.cc
index a3043a0..966ef8c 100644
--- a/src/lib/util/encode/base_n.cc
+++ b/src/lib/util/encode/base_n.cc
@@ -123,9 +123,6 @@ public:
         if (in_pad_) {
             return (BINARY_ZERO_CODE);
         } else {
-            if (base_ == base_end_) {
-                isc_throw(BadValue, "end of input");
-            }
             return (*base_);
         }
     }
@@ -175,6 +172,10 @@ public:
         return (*this);
     }
     const char& operator*() const {
+        if (base_ == base_end_) {
+            isc_throw(BadValue, "dereference the end iterator");
+        }
+
         if (in_pad_ && *base_ == BASE_PADDING_CHAR) {
             return (base_zero_code_);
         } else {