Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

sdk/lib/3rdparty/stlport/src/ios.cpp

@@ -0,0 +1,318 @@
+/*
+ * 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.
+ *
+ */
+
+#include "stlport_prefix.h"
+
+#include <algorithm>
+#include <ios>
+#include <locale>
+#include <ostream> // for __get_ostreambuf definition
+
+#include "aligned_buffer.h"
+
+_STLP_BEGIN_NAMESPACE
+
+//----------------------------------------------------------------------
+// ios_base members
+
+// class ios_base::failure, a subclass of exception.  It's used solely
+// for reporting errors.
+
+ios_base::failure::failure(const string& s)
+  : __Named_exception(s)
+{}
+
+ios_base::failure::~failure() _STLP_NOTHROW_INHERENTLY {}
+
+#if !defined (_STLP_STATIC_CONST_INIT_BUG) && !defined (_STLP_NO_STATIC_CONST_DEFINITION)
+// Definitions of ios_base's formatting flags.
+const ios_base::fmtflags ios_base::left;
+const ios_base::fmtflags ios_base::right;
+const ios_base::fmtflags ios_base::internal;
+const ios_base::fmtflags ios_base::dec;
+const ios_base::fmtflags ios_base::hex;
+const ios_base::fmtflags ios_base::oct;
+const ios_base::fmtflags ios_base::fixed;
+const ios_base::fmtflags ios_base::scientific;
+const ios_base::fmtflags ios_base::boolalpha;
+const ios_base::fmtflags ios_base::showbase;
+const ios_base::fmtflags ios_base::showpoint;
+const ios_base::fmtflags ios_base::showpos;
+const ios_base::fmtflags ios_base::skipws;
+const ios_base::fmtflags ios_base::unitbuf;
+const ios_base::fmtflags ios_base::uppercase;
+const ios_base::fmtflags ios_base::adjustfield;
+const ios_base::fmtflags ios_base::basefield;
+const ios_base::fmtflags ios_base::floatfield;
+
+// Definitions of ios_base's state flags.
+const ios_base::iostate ios_base::goodbit;
+const ios_base::iostate ios_base::badbit;
+const ios_base::iostate ios_base::eofbit;
+const ios_base::iostate ios_base::failbit;
+
+// Definitions of ios_base's openmode flags.
+const ios_base::openmode ios_base::app;
+const ios_base::openmode ios_base::ate;
+const ios_base::openmode ios_base::binary;
+const ios_base::openmode ios_base::in;
+const ios_base::openmode ios_base::out;
+const ios_base::openmode ios_base::trunc;
+
+// Definitions of ios_base's seekdir flags.
+const ios_base::seekdir ios_base::beg;
+const ios_base::seekdir ios_base::cur;
+const ios_base::seekdir ios_base::end;
+
+#endif
+
+// Internal functions used for managing exponentially-growing arrays of
+// POD types.
+
+// array is a pointer to N elements of type PODType.  Expands the array,
+// if necessary, so that array[index] is meaningful.  All new elements are
+// initialized to zero.  Returns a pointer to the new array, and the new
+// size.
+
+template <class PODType>
+static pair<PODType*, size_t>
+_Stl_expand_array(PODType* __array, size_t N, int index) {
+  if ((int)N < index + 1) {
+    size_t new_N = (max)(2 * N, size_t(index + 1));
+    PODType* new_array
+      = __STATIC_CAST(PODType*,realloc(__array, new_N * sizeof(PODType)));
+    if (new_array) {
+      fill(new_array + N, new_array + new_N, PODType());
+      return pair<PODType*, size_t>(new_array, new_N);
+    }
+    else
+      return pair<PODType*, size_t>(__STATIC_CAST(PODType*,0), 0);
+  }
+  else
+    return pair<PODType*, size_t>(__array, N);
+}
+
+// array is a pointer to N elements of type PODType.  Allocate a new
+// array of N elements, copying the values from the old array to the new.
+// Return a pointer to the new array.  It is assumed that array is non-null
+// and N is nonzero.
+template <class PODType>
+static PODType* _Stl_copy_array(const PODType* __array, size_t N) {
+  PODType* result = __STATIC_CAST(PODType*,malloc(N * sizeof(PODType)));
+  if (result)
+    copy(__array, __array + N, result);
+  return result;
+}
+
+locale ios_base::imbue(const locale& loc) {
+  if (loc != _M_locale) {
+    locale previous = _M_locale;
+    _M_locale = loc;
+    _M_invoke_callbacks(imbue_event);
+    return previous;
+  }
+  else {
+    _M_invoke_callbacks(imbue_event);
+    return _M_locale;
+  }
+}
+
+int _STLP_CALL ios_base::xalloc() {
+#if defined (_STLP_THREADS) && \
+    defined (_STLP_WIN32THREADS) && defined (_STLP_NEW_PLATFORM_SDK)
+  static volatile __stl_atomic_t _S_index = 0;
+  return _STLP_ATOMIC_INCREMENT(&_S_index);
+#else
+  static int _S_index = 0;
+  static _STLP_STATIC_MUTEX __lock _STLP_MUTEX_INITIALIZER;
+  _STLP_auto_lock sentry(__lock);
+  return _S_index++;
+#endif
+}
+
+long& ios_base::iword(int index) {
+  static long dummy = 0;
+
+  pair<long*, size_t> tmp = _Stl_expand_array(_M_iwords, _M_num_iwords, index);
+  if (tmp.first) {              // The allocation, if any, succeeded.
+    _M_iwords = tmp.first;
+    _M_num_iwords = tmp.second;
+    return _M_iwords[index];
+  }
+  else {
+    _M_setstate_nothrow(badbit);
+    _M_check_exception_mask();
+    return dummy;
+  }
+}
+
+
+void*& ios_base::pword(int index) {
+  static void* dummy = 0;
+
+  pair<void**, size_t> tmp = _Stl_expand_array(_M_pwords, _M_num_pwords, index);
+  if (tmp.first) {              // The allocation, if any, succeeded.
+    _M_pwords = tmp.first;
+    _M_num_pwords = tmp.second;
+    return _M_pwords[index];
+  }
+  else {
+    _M_setstate_nothrow(badbit);
+    _M_check_exception_mask();
+    return dummy;
+  }
+}
+
+void ios_base::register_callback(event_callback __fn, int index) {
+  pair<pair<event_callback, int>*, size_t> tmp
+    = _Stl_expand_array(_M_callbacks, _M_num_callbacks, (int)_M_callback_index /* fbp: index ??? */ );
+  if (tmp.first) {
+    _M_callbacks = tmp.first;
+    _M_num_callbacks = tmp.second;
+    _M_callbacks[_M_callback_index++] = make_pair(__fn, index);
+  }
+  else {
+    _M_setstate_nothrow(badbit);
+    _M_check_exception_mask();
+  }
+}
+
+// Invokes all currently registered callbacks for a particular event.
+// Behaves correctly even if one of the callbacks adds a new callback.
+void ios_base::_M_invoke_callbacks(event E) {
+  for (size_t i = _M_callback_index; i > 0; --i) {
+    event_callback f = _M_callbacks[i-1].first;
+    int n = _M_callbacks[i-1].second;
+    f(E, *this, n);
+  }
+}
+
+// This function is called if the state, rdstate(), has a bit set
+// that is also set in the exception mask exceptions().
+void ios_base::_M_throw_failure() {
+  const char* arg ;
+# if 0
+  char buffer[256];
+  char* ptr;
+  strcpy(buffer, "ios failure: rdstate = 0x");
+  ptr = __write_integer(buffer+strlen(buffer), ios_base::hex, __STATIC_CAST(unsigned long,_M_iostate));
+  strcpy(ptr, " mask = 0x");
+  ptr = __write_integer(buffer+strlen(buffer), ios_base::hex, __STATIC_CAST(unsigned long,_M_exception_mask));
+  *ptr = 0;
+  arg = buffer;
+# else
+  arg = "ios failure";
+# endif
+
+# ifndef _STLP_USE_EXCEPTIONS
+  fputs(arg, stderr);
+# else
+  throw failure(arg);
+# endif
+}
+
+// Copy x's state to *this.  This member function is used in the
+// implementation of basic_ios::copyfmt.  Does not copy _M_exception_mask
+// or _M_iostate.
+void ios_base::_M_copy_state(const ios_base& x) {
+  _M_fmtflags  = x._M_fmtflags; // Copy the flags, except for _M_iostate
+  _M_openmode  = x._M_openmode; // and _M_exception_mask.
+  _M_seekdir   = x._M_seekdir;
+  _M_precision = x._M_precision;
+  _M_width     = x._M_width;
+  _M_locale    = x._M_locale;
+
+  if (x._M_callbacks) {
+    pair<event_callback, int>* tmp = _Stl_copy_array(x._M_callbacks, x._M_callback_index);
+    if (tmp) {
+      free(_M_callbacks);
+      _M_callbacks = tmp;
+      _M_num_callbacks = _M_callback_index = x._M_callback_index;
+    }
+    else {
+      _M_setstate_nothrow(badbit);
+      _M_check_exception_mask();
+    }
+  }
+
+  if (x._M_iwords) {
+    long* tmp = _Stl_copy_array(x._M_iwords, x._M_num_iwords);
+    if (tmp) {
+      free(_M_iwords);
+      _M_iwords = tmp;
+      _M_num_iwords = x._M_num_iwords;
+    }
+    else {
+      _M_setstate_nothrow(badbit);
+      _M_check_exception_mask();
+    }
+  }
+
+  if (x._M_pwords) {
+    void** tmp = _Stl_copy_array(x._M_pwords, x._M_num_pwords);
+    if (tmp) {
+      free(_M_pwords);
+      _M_pwords = tmp;
+      _M_num_pwords = x._M_num_pwords;
+    }
+    else {
+      _M_setstate_nothrow(badbit);
+      _M_check_exception_mask();
+    }
+  }
+}
+
+// ios's (protected) default constructor.  The standard says that all
+// fields have indeterminate values; we initialize them to zero for
+// simplicity.  The only thing that really matters is that the arrays
+// are all initially null pointers, and the array element counts are all
+// initially zero.
+ios_base::ios_base()
+  : _M_fmtflags(0), _M_iostate(0), _M_openmode(0), _M_seekdir(0),
+    _M_exception_mask(0),
+    _M_precision(0), _M_width(0),
+    _M_locale(),
+    _M_callbacks(0), _M_num_callbacks(0), _M_callback_index(0),
+    _M_iwords(0), _M_num_iwords(0),
+    _M_pwords(0),
+    _M_num_pwords(0)
+{}
+
+// ios's destructor.
+ios_base::~ios_base() {
+  _M_invoke_callbacks(erase_event);
+  free(_M_callbacks);
+  free(_M_iwords);
+  free(_M_pwords);
+}
+
+//----------------------------------------------------------------------
+// Force instantiation of basic_ios
+// For DLL exports, they are already instantiated.
+#if !defined(_STLP_NO_FORCE_INSTANTIATE)
+template class _STLP_CLASS_DECLSPEC basic_ios<char, char_traits<char> >;
+#  if !defined (_STLP_NO_WCHAR_T)
+template class _STLP_CLASS_DECLSPEC basic_ios<wchar_t, char_traits<wchar_t> >;
+#  endif /* _STLP_NO_WCHAR_T */
+#endif
+
+_STLP_END_NAMESPACE
+
+// Local Variables:
+// mode:C++
+// End: