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Fixes #6298

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Fixes #6264

[SVN r76096]
This commit is contained in:
Antony Polukhin
2011-12-21 17:03:52 +00:00
parent 8627f8bb8a
commit 5d288580ee
2 changed files with 76 additions and 12 deletions
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include/boost/lexical_cast.hpp
+5 -2
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@@ -586,7 +586,7 @@ namespace boost
--end;
value = 0;
if ( *end < czero || *end >= czero + 10 || begin > end)
if (begin > end || *end < czero || *end >= czero + 10)
return false;
value = *end - czero;
--end;
@@ -684,6 +684,7 @@ namespace boost
, const CharT opening_brace, const CharT closing_brace)
{
using namespace std;
if (begin == end) return false;
const CharT minus = lcast_char_constants<CharT>::minus;
const CharT plus = lcast_char_constants<CharT>::plus;
const int inifinity_size = 8;
@@ -1183,7 +1184,7 @@ namespace boost
bool const result = !(stream << input).fail();
start = stringbuffer.pbase();
finish = stringbuffer.pptr();
return result && (start != finish);
return result;
}
template <class T>
@@ -1358,6 +1359,7 @@ namespace boost
template <typename Type>
bool shr_unsigned(Type& output)
{
if (start == finish) return false;
CharT const minus = lcast_char_constants<CharT>::minus;
CharT const plus = lcast_char_constants<CharT>::plus;
bool has_minus = false;
@@ -1392,6 +1394,7 @@ namespace boost
template <typename Type>
bool shr_signed(Type& output)
{
if (start == finish) return false;
CharT const minus = lcast_char_constants<CharT>::minus;
CharT const plus = lcast_char_constants<CharT>::plus;
typedef BOOST_DEDUCED_TYPENAME make_unsigned<Type>::type utype;