00001 /* ///////////////////////////////////////////////////////////////////////// 00002 * File: comstl/util/stream_functions.h 00003 * 00004 * Purpose: Stream functions. 00005 * 00006 * Created: 22nd October 2005 00007 * Updated: 10th August 2009 00008 * 00009 * Home: http://stlsoft.org/ 00010 * 00011 * Copyright (c) 2005-2009, Matthew Wilson and Synesis Software 00012 * All rights reserved. 00013 * 00014 * Redistribution and use in source and binary forms, with or without 00015 * modification, are permitted provided that the following conditions are met: 00016 * 00017 * - Redistributions of source code must retain the above copyright notice, this 00018 * list of conditions and the following disclaimer. 00019 * - Redistributions in binary form must reproduce the above copyright notice, 00020 * this list of conditions and the following disclaimer in the documentation 00021 * and/or other materials provided with the distribution. 00022 * - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of 00023 * any contributors may be used to endorse or promote products derived from 00024 * this software without specific prior written permission. 00025 * 00026 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00027 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00028 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00029 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00030 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00031 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00032 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00033 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00034 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00035 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00036 * POSSIBILITY OF SUCH DAMAGE. 00037 * 00038 * ////////////////////////////////////////////////////////////////////// */ 00039 00040 00047 #ifndef COMSTL_INCL_COMSTL_UTIL_H_STREAM_FUNCTIONS 00048 #define COMSTL_INCL_COMSTL_UTIL_H_STREAM_FUNCTIONS 00049 00050 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION 00051 # define COMSTL_VER_COMSTL_UTIL_H_STREAM_FUNCTIONS_MAJOR 2 00052 # define COMSTL_VER_COMSTL_UTIL_H_STREAM_FUNCTIONS_MINOR 1 00053 # define COMSTL_VER_COMSTL_UTIL_H_STREAM_FUNCTIONS_REVISION 3 00054 # define COMSTL_VER_COMSTL_UTIL_H_STREAM_FUNCTIONS_EDIT 15 00055 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ 00056 00057 /* ///////////////////////////////////////////////////////////////////////// 00058 * Includes 00059 */ 00060 00061 #ifndef COMSTL_INCL_COMSTL_H_COMSTL 00062 # include <comstl/comstl.h> 00063 #endif /* !COMSTL_INCL_COMSTL_H_COMSTL */ 00064 00065 /* ///////////////////////////////////////////////////////////////////////// 00066 * Namespace 00067 */ 00068 00069 #if !defined(_COMSTL_NO_NAMESPACE) && \ 00070 !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) 00071 # if defined(_STLSOFT_NO_NAMESPACE) 00072 /* There is no stlsoft namespace, so must define ::comstl */ 00073 namespace comstl 00074 { 00075 # else 00076 /* Define stlsoft::comstl_project */ 00077 00078 namespace stlsoft 00079 { 00080 00081 namespace comstl_project 00082 { 00083 00084 # endif /* _STLSOFT_NO_NAMESPACE */ 00085 #endif /* !_COMSTL_NO_NAMESPACE */ 00086 00087 /* ///////////////////////////////////////////////////////////////////////// 00088 * C functions 00089 */ 00090 00097 STLSOFT_INLINE HRESULT comstl__get_stream_size(LPSTREAM pstm, ULARGE_INTEGER *psize) 00098 { 00099 STATSTG statstg; 00100 HRESULT hr = COMSTL_ITF_CALL(pstm)->Stat(COMSTL_ITF_THIS(pstm) &statstg, STATFLAG_NONAME); 00101 00102 if(SUCCEEDED(hr)) 00103 { 00104 *psize = statstg.cbSize; 00105 } 00106 00107 return hr; 00108 } 00109 00110 /* ///////////////////////////////////////////////////////////////////////// 00111 * Namespace 00112 */ 00113 00114 #ifdef STLSOFT_DOCUMENTATION_SKIP_SECTION 00115 namespace comstl 00116 { 00117 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */ 00118 00119 /* ///////////////////////////////////////////////////////////////////////// 00120 * C++ functions 00121 */ 00122 00123 #ifdef __cplusplus 00124 00128 inline HRESULT get_stream_size(LPSTREAM pstm, ULARGE_INTEGER *psize) 00129 { 00130 return comstl__get_stream_size(pstm, psize); 00131 } 00132 00137 inline HRESULT get_stream_size(LPSTREAM pstm, ULARGE_INTEGER &size) 00138 { 00139 return comstl__get_stream_size(pstm, &size); 00140 } 00141 00146 inline HRESULT get_stream_size(LPSTREAM pstm, cs_uint64_t &size) 00147 { 00148 ULARGE_INTEGER uli; 00149 HRESULT hr = comstl__get_stream_size(pstm, &uli); 00150 00151 if(SUCCEEDED(hr)) 00152 { 00153 size = uli.QuadPart; 00154 } 00155 00156 return hr; 00157 } 00158 #endif /* __cplusplus */ 00159 00160 /* ///////////////////////////////////////////////////////////////////////// 00161 * Unit-testing 00162 */ 00163 00164 #ifdef STLSOFT_UNITTEST 00165 # include "./unittest/stream_functions_unittest_.h" 00166 #endif /* STLSOFT_UNITTEST */ 00167 00168 /* ////////////////////////////////////////////////////////////////////// */ 00169 00170 #ifndef _COMSTL_NO_NAMESPACE 00171 # if defined(_STLSOFT_NO_NAMESPACE) || \ 00172 defined(STLSOFT_DOCUMENTATION_SKIP_SECTION) 00173 } /* namespace comstl */ 00174 # else 00175 } /* namespace comstl_project */ 00176 } /* namespace stlsoft */ 00177 # endif /* _STLSOFT_NO_NAMESPACE */ 00178 #endif /* !_COMSTL_NO_NAMESPACE */ 00179 00180 /* ////////////////////////////////////////////////////////////////////// */ 00181 00182 #endif /* !COMSTL_INCL_COMSTL_UTIL_H_STREAM_FUNCTIONS */ 00183 00184 /* ///////////////////////////// end of file //////////////////////////// */