diff options
Diffstat (limited to 'ace/CDR_Stream.cpp')
| -rw-r--r-- | ace/CDR_Stream.cpp | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/ace/CDR_Stream.cpp b/ace/CDR_Stream.cpp index e64d13b2791..aea3198e0dd 100644 --- a/ace/CDR_Stream.cpp +++ b/ace/CDR_Stream.cpp @@ -1,5 +1,37 @@ +// CDR_Stream.cpp // $Id$ +// Portions of this file are: +// Copyright 1994-1995 by Sun Microsystems Inc. +// All Rights Reserved + +// CDR: Encode/Decode basic machine data types +// +// Implementation of OMG "Common Data Representation" (CDR) ... there +// are one routine each for byte/halfword/word/doubleword put/get, +// which adjust to establish "natural" alignment (the bulk of the +// code) and then put or get with byteswapping as needed. +// +// The implementation knows that native data formats are conformant +// with OMG-IDL's (and hence CDR's) size requirements, and relies on +// the fact that (for example) CORBA's Long is always four bytes long +// even if the environment's "int" is a different size. +// +// char, octet 8 bits (1 byte) +// short, unsigned short 16 bits (2 bytes) +// long, unsigned long, float 32 bits (4 bytes) +// double, (unsigned) long long 64 bits (8 bytes) +// long double 128 bits (16 bytes) +// +// Moreover, this "knows" that the native 'char' represents ISO +// Latin/1 characters (an ASCII superset addressing Western European +// characters) and that "double" and "float" comply with the IEEE +// standards. (The "long double" may not be a native data type, +// though.) +// +// THREADING NOTE: "CDR" is a data structure which must be protected +// by external critical sections. + #define ACE_BUILD_DLL #include "ace/CDR_Stream.h" @@ -85,20 +117,20 @@ ACE_CDR::LongDouble::operator!= (const ACE_CDR::LongDouble &rhs) const } #endif /* NONNATIVE_LONGDOUBLE */ -#if defined(_UNICOS) && !defined(_CRAYMPP) +#if defined(_UNICOS) // placeholders to get things compiling ACE_CDR::Float::Float() { } -ACE_CDR::Float::Float(const float & init) +ACE_CDR::Float::Float(const float & init)) { } -ACE_CDR::Float & -ACE_CDR::Float::operator= (const float &rhs) +float +ACE_CDR::Float::operator= (const ACE_CDR::Float &rhs) const { - return *this; + return 0.0f; } int |