libesnacc-dev 1.8.1-1build1 / usr / include / cxx-lib / inc / asn-chartraits.h

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#ifndef _asn_chartraits_h
#define _asn_chartraits_h 1

#include <cstring> 	// For memmove, memset, memchr
#include <ios>

namespace std 
{
  /// char_traits unsigned char specialization
  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((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>(__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; }
  };

#if defined(HPUX) || defined(HPUX32) || defined(SCO_SV)

  // wchar specialization for HP-UX
  template<>
    struct char_traits<wchar_t>
    {
      typedef wchar_t 		char_type;
      typedef wint_t 		int_type;
      typedef streamoff 	off_type;
      typedef streampos 	pos_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 wcsncmp(__s1, __s2, __n); }

      static size_t
      length(const char_type* __s)
      { return wcslen(__s); }

      static const char_type* 
      find(const char_type* __s, size_t __n, const char_type& __a)
      { 
        char_type *tmp_wcs = wcschr(__s, __a);
        if (tmp_wcs == NULL)
           return NULL;

        if (__n > 0 && wcslen(tmp_wcs) > __n)
           return NULL;

        return tmp_wcs;
      }

      static char_type* 
      move(char_type* __s1, const char_type* __s2, int_type __n)
      { return (char_type *) memmove((void *)__s1, (void *)__s2, __n*sizeof(char_type)); }

      static char_type* 
      copy(char_type* __s1, const char_type* __s2, size_t __n)
      { return wcsncpy(__s1, __s2, __n); }

      static char_type* 
      assign(char_type* __s, size_t __n, char_type __a)
      { return (char_type *) memset((char *)__s, __a, sizeof(char_type)*__n); }

      static char_type 
      to_char_type(const int_type& __c) { return char_type(__c); }

      static int_type 
      to_int_type(const char_type& __c) { return int_type(__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>(WEOF); }

      static int_type 
      not_eof(const int_type& __c)
      { return eq_int_type(__c, eof()) ? 0 : __c; }
  };

#elif defined(SunOS)

  // wchar_t specialization 
  template<>
    struct char_traits<wchar_t>
    {
      typedef wchar_t 		char_type;
      typedef wint_t 		int_type;
      typedef streamoff 	off_type;
      typedef streampos 	pos_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 wmemcmp(__s1, __s2, __n); }

      static size_t
      length(const char_type* __s)
      { return wcslen(__s); }

      static const char_type* 
      find(const char_type* __s, size_t __n, const char_type& __a)
      { return wmemchr(__s, __a, __n); }

      static char_type* 
      move(char_type* __s1, const char_type* __s2, int_type __n)
      { return wmemmove(__s1, __s2, __n); }

      static char_type* 
      copy(char_type* __s1, const char_type* __s2, size_t __n)
      { return wmemcpy(__s1, __s2, __n); }

      static char_type* 
      assign(char_type* __s, size_t __n, char_type __a)
      { return wmemset(__s, __a, __n); }

      static char_type 
      to_char_type(const int_type& __c) { return char_type(__c); }

      static int_type 
      to_int_type(const char_type& __c) { return int_type(__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>(WEOF); }

      static int_type 
      not_eof(const int_type& __c)
      { return eq_int_type(__c, eof()) ? 0 : __c; }
  };
#endif //  HP-UX or SunOS

} // namespace std

#endif // _asn_chartraits_h

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