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Apply LWG issue 805, using a namespace to emulate scoped enums.

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[SVN r46645]
This commit is contained in:
Beman Dawes
2008-06-24 14:59:10 +00:00
parent 69d2a2234c
commit 2953464e99
3 changed files with 52 additions and 50 deletions
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22
src/error_code.cpp
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@@ -38,12 +38,12 @@ using namespace boost::system::posix_error;
namespace
{
// standard error categories -------------------------------------------//
// standard error categories ---------------------------------------------//
class posix_error_category : public error_category
class generic_error_category : public error_category
{
public:
posix_error_category(){}
generic_error_category(){}
const char * name() const;
std::string message( int ev ) const;
};
@@ -57,14 +57,14 @@ namespace
error_condition default_error_condition( int ev ) const;
};
// posix_error_category implementation ---------------------------------//
// generic_error_category implementation ---------------------------------//
const char * posix_error_category::name() const
const char * generic_error_category::name() const
{
return "POSIX";
return "GENERIC";
}
std::string posix_error_category::message( int ev ) const
std::string generic_error_category::message( int ev ) const
{
// strerror_r is preferred because it is always thread safe,
// however, we fallback to strerror in certain cases because:
@@ -318,7 +318,7 @@ namespace
std::string system_error_category::message( int ev ) const
{
return posix_category.message( ev );
return generic_category.message( ev );
}
# else
// TODO:
@@ -402,10 +402,10 @@ namespace boost
return system_category_const;
}
BOOST_SYSTEM_DECL const error_category & get_posix_category()
BOOST_SYSTEM_DECL const error_category & get_generic_category()
{
static const posix_error_category posix_category_const;
return posix_category_const;
static const generic_error_category generic_category_const;
return generic_category_const;
}
} // namespace system