Add STLport 5.1.4

[polintos/scott/priv.git] / include / c++ / stl / stl / _streambuf.c

diff --git a/include/c++/stl/stl/_streambuf.c b/include/c++/stl/stl/_streambuf.c
new file mode 100644 (file)
index 0000000..bd61a20
--- /dev/null
+++ b/include/c++/stl/stl/_streambuf.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+#ifndef _STLP_STREAMBUF_C
+#define _STLP_STREAMBUF_C
+
+#ifndef _STLP_INTERNAL_STREAMBUF
+#  include <stl/_streambuf.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+//----------------------------------------------------------------------
+// Non-inline basic_streambuf<> member functions.
+
+#if !defined (_STLP_MSVC) || (_STLP_MSVC >= 1300) || !defined (_STLP_USE_STATIC_LIB)
+template <class _CharT, class _Traits>
+basic_streambuf<_CharT, _Traits>::basic_streambuf()
+  : _M_gbegin(0), _M_gnext(0), _M_gend(0),
+    _M_pbegin(0), _M_pnext(0), _M_pend(0),
+    _M_locale() {
+  //  _M_lock._M_initialize();
+}
+#endif
+
+template <class _CharT, class _Traits>
+basic_streambuf<_CharT, _Traits>::~basic_streambuf()
+{}
+
+template <class _CharT, class _Traits>
+locale
+basic_streambuf<_CharT, _Traits>::pubimbue(const locale& __loc) {
+  this->imbue(__loc);
+  locale __tmp = _M_locale;
+  _M_locale = __loc;
+  return __tmp;
+}
+
+template <class _CharT, class _Traits>
+streamsize
+basic_streambuf<_CharT, _Traits>::xsgetn(_CharT* __s, streamsize __n) {
+  streamsize __result = 0;
+  const int_type __eof = _Traits::eof();
+
+  while (__result < __n) {
+    if (_M_gnext < _M_gend) {
+      size_t __chunk = (min) (__STATIC_CAST(size_t,_M_gend - _M_gnext),
+                              __STATIC_CAST(size_t,__n - __result));
+      _Traits::copy(__s, _M_gnext, __chunk);
+      __result += __chunk;
+      __s += __chunk;
+      _M_gnext += __chunk;
+    }
+    else {
+      int_type __c = this->sbumpc();
+      if (!_Traits::eq_int_type(__c, __eof)) {
+        *__s = _Traits::to_char_type(__c);
+        ++__result;
+        ++__s;
+      }
+      else
+        break;
+    }
+  }
+
+  return __result;
+}
+
+template <class _CharT, class _Traits>
+streamsize
+basic_streambuf<_CharT, _Traits>::xsputn(const _CharT* __s, streamsize __n)
+{
+  streamsize __result = 0;
+  const int_type __eof = _Traits::eof();
+
+  while (__result < __n) {
+    if (_M_pnext < _M_pend) {
+      size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext),
+                           __STATIC_CAST(size_t,__n - __result));
+      _Traits::copy(_M_pnext, __s, __chunk);
+      __result += __chunk;
+      __s += __chunk;
+      _M_pnext += __chunk;
+    }
+
+    else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(*__s)),
+                                   __eof)) {
+      ++__result;
+      ++__s;
+    }
+    else
+      break;
+  }
+  return __result;
+}
+
+template <class _CharT, class _Traits>
+streamsize
+basic_streambuf<_CharT, _Traits>::_M_xsputnc(_CharT __c, streamsize __n)
+{
+  streamsize __result = 0;
+  const int_type __eof = _Traits::eof();
+
+  while (__result < __n) {
+    if (_M_pnext < _M_pend) {
+      size_t __chunk = (min) (__STATIC_CAST(size_t,_M_pend - _M_pnext),
+                           __STATIC_CAST(size_t,__n - __result));
+      _Traits::assign(_M_pnext, __chunk, __c);
+      __result += __chunk;
+      _M_pnext += __chunk;
+    }
+
+    else if (!_Traits::eq_int_type(this->overflow(_Traits::to_int_type(__c)),
+                                   __eof))
+      ++__result;
+    else
+      break;
+  }
+  return __result;
+}
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
+basic_streambuf<_CharT, _Traits>::_M_snextc_aux()
+{
+  int_type __eof = _Traits::eof();
+  if (_M_gend == _M_gnext)
+    return _Traits::eq_int_type(this->uflow(), __eof) ? __eof : this->sgetc();
+  else {
+    _M_gnext = _M_gend;
+    return this->underflow();
+  }
+}
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
+basic_streambuf<_CharT, _Traits>::pbackfail(int_type) {
+ return _Traits::eof();
+}
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
+basic_streambuf<_CharT, _Traits>::overflow(int_type) {
+  return _Traits::eof();
+}
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
+basic_streambuf<_CharT, _Traits>::uflow() {
+    return ( _Traits::eq_int_type(this->underflow(),_Traits::eof()) ?
+             _Traits::eof() :
+             _Traits::to_int_type(*_M_gnext++));
+}
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::int_type
+basic_streambuf<_CharT, _Traits>::underflow()
+{ return _Traits::eof(); }
+
+template <class _CharT, class _Traits>
+streamsize
+basic_streambuf<_CharT, _Traits>::showmanyc()
+{ return 0; }
+
+template <class _CharT, class _Traits>
+void
+basic_streambuf<_CharT, _Traits>::imbue(const locale&) {}
+
+template <class _CharT, class _Traits>
+int
+basic_streambuf<_CharT, _Traits>::sync() { return 0; }
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type
+basic_streambuf<_CharT, _Traits>::seekpos(pos_type, ios_base::openmode)
+{ return pos_type(-1); }
+
+template <class _CharT, class _Traits>
+_STLP_TYPENAME_ON_RETURN_TYPE basic_streambuf<_CharT, _Traits>::pos_type
+basic_streambuf<_CharT, _Traits>::seekoff(off_type, ios_base::seekdir,
+                                          ios_base::openmode)
+{ return pos_type(-1); }
+
+template <class _CharT, class _Traits>
+basic_streambuf<_CharT, _Traits>*
+basic_streambuf<_CharT, _Traits>:: setbuf(char_type*, streamsize)
+{ return this; }
+
+_STLP_END_NAMESPACE
+
+#endif
+
+// Local Variables:
+// mode:C++
+// End: