From 56619463ac26dc6c3e576d2fbf6b544eebeb5148 Mon Sep 17 00:00:00 2001
From: Martin Lucina <martin@lucina.net>
Date: Sun, 20 May 2012 11:24:59 +0200
Subject: Imported Upstream version 2.2.0

---
 src/gcc_421_char_traits.hpp | 119 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 src/gcc_421_char_traits.hpp

(limited to 'src/gcc_421_char_traits.hpp')

diff --git a/src/gcc_421_char_traits.hpp b/src/gcc_421_char_traits.hpp
new file mode 100644
index 0000000..e8f457d
--- /dev/null
+++ b/src/gcc_421_char_traits.hpp
@@ -0,0 +1,119 @@
+// Character Traits for use by standard string and iostream -*- C++ -*-
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+// Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/** @file char_traits.h
+ *  This is an internal header file, included by other library headers.
+ *  You should not attempt to use it directly.
+ */
+
+//
+// ISO C++ 14882: 21  Strings library
+//
+
+// This file has been snipped for 0mq to provide a definition for
+//  struct char_traits<unsigned char>
+// Which is not implemented in GNU ISO C++ Library as of version 3.2.3
+// And is required by blob.hpp
+
+#ifndef _ZMQ_CHAR_TRAITS_H
+#define _ZMQ_CHAR_TRAITS_H 1
+
+namespace std
+{
+  /// @brief  21.1.3.1  char_traits specializations
+  template<>
+    struct char_traits<unsigned char>
+    {
+      typedef unsigned char     char_type;
+      typedef int               int_type;
+      typedef streampos         pos_type;
+      typedef streamoff         off_type;
+      typedef mbstate_t         state_type;
+
+      static void
+      assign(char_type& __c1, const char_type& __c2)
+      { __c1 = __c2; }
+
+      static bool
+      eq(const char_type& __c1, const char_type& __c2)
+      { return __c1 == __c2; }
+
+      static bool
+      lt(const char_type& __c1, const char_type& __c2)
+      { return __c1 < __c2; }
+
+      static int
+      compare(const char_type* __s1, const char_type* __s2, size_t __n)
+      { return memcmp(__s1, __s2, __n); }
+
+      static size_t
+      length(const char_type* __s)
+      { return strlen((const char*)__s); }
+
+      static const char_type*
+      find(const char_type* __s, size_t __n, const char_type& __a)
+      { return static_cast<const char_type*>(memchr(__s, __a, __n)); }
+
+      static char_type*
+      move(char_type* __s1, const char_type* __s2, size_t __n)
+      { return static_cast<char_type*>(memmove(__s1, __s2, __n)); }
+
+      static char_type*
+      copy(char_type* __s1, const char_type* __s2, size_t __n)
+      { return static_cast<char_type*>(memcpy(__s1, __s2, __n)); }
+
+      static char_type*
+      assign(char_type* __s, size_t __n, char_type __a)
+      { return static_cast<char_type*>(memset(__s, __a, __n)); }
+
+      static char_type
+      to_char_type(const int_type& __c)
+      { return static_cast<char_type>(__c); }
+
+      // To keep both the byte 0xff and the eof symbol 0xffffffff
+      // from ending up as 0xffffffff.
+      static int_type
+      to_int_type(const char_type& __c)
+      { return static_cast<int_type>(static_cast<unsigned char>(__c)); }
+
+      static bool
+      eq_int_type(const int_type& __c1, const int_type& __c2)
+      { return __c1 == __c2; }
+
+      static int_type
+      eof() { return static_cast<int_type>(EOF); }
+
+      static int_type
+      not_eof(const int_type& __c)
+      { return (__c == eof()) ? 0 : __c; }
+  };
+}
+
+#endif
-- 
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