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unixem/internal/util.h

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00001 /* /////////////////////////////////////////////////////////////////////////////
00002  * File:    unixem/internal/util.h
00003  *
00004  * Purpose: Internal utility header for the UNIXem API.
00005  *
00006  * Created: 2nd September 2005
00007  * Updated: 13th May 2008
00008  *
00009  * Home:    http://synesis.com.au/software/
00010  *
00011  * Copyright (c) 1994-2008, 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 names 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 
00044 #ifndef UNIXEM_INCL_UNIXEM_INTERNAL_H_UTIL
00045 #define UNIXEM_INCL_UNIXEM_INTERNAL_H_UTIL
00046 
00047 /* /////////////////////////////////////////////////////////////////////////////
00048  * Version
00049  */
00050 
00051 #ifndef UNIXEM_DOCUMENTATION_SKIP_SECTION
00052 # define UNIXEM_VER_UNIXEM_INTERNAL_H_UTIL_MAJOR    1
00053 # define UNIXEM_VER_UNIXEM_INTERNAL_H_UTIL_MINOR    3
00054 # define UNIXEM_VER_UNIXEM_INTERNAL_H_UTIL_REVISION 1
00055 # define UNIXEM_VER_UNIXEM_INTERNAL_H_UTIL_EDIT     6
00056 #endif /* !UNIXEM_DOCUMENTATION_SKIP_SECTION */
00057 
00058 /* /////////////////////////////////////////////////////////////////////////////
00059  * Includes
00060  */
00061 
00062 #include <unixem/unixem.h>
00063 
00064 /* /////////////////////////////////////////////////////////////////////////////
00065  * Macros
00066  */
00067 
00068 #ifndef NUM_ELEMENTS
00069 # define NUM_ELEMENTS(x)        (sizeof(x) / sizeof(0[x]))
00070 #endif /* !NUM_ELEMENTS */
00071 
00072 /* /////////////////////////////////////////////////////////////////////////////
00073  * Linkage specifications
00074  */
00075 
00076 #if defined(__BORLANDC__)
00077 # define UNIXEM_STGCLS_IMP      __declspec(dllimport)
00078 #elif defined(__DMC__) || \
00079       defined(__INTEL_COMPILER) || \
00080       defined(__MWERKS__) || \
00081       defined(_MSC_VER)
00082 # if defined(_MT)
00083 #  define UNIXEM_STGCLS_IMP     __declspec(dllimport)
00084 # else /* ? _MT */
00085 #  define UNIXEM_STGCLS_IMP
00086 # endif /* _MT */
00087 #else
00088 # define UNIXEM_STGCLS_IMP
00089 #endif /* compiler */
00090 
00091 /* /////////////////////////////////////////////////////////////////////////////
00092  * Function declarations
00093  */
00094 
00095 #ifdef __cplusplus
00096 extern "C"
00097 {
00098 #endif /* __cplusplus */
00099 
00102 void* unixem_Windows_HANDLE_from_file_handle(int fd);
00103 
00106 int errno_from_Win32(unsigned long);
00107 
00112 char get_current_drive(void);
00113 
00116 long FILETIMEToUNIXTime(void const *ft, long *microseconds);
00117 
00118 #ifdef __cplusplus
00119 } /* extern "C" */
00120 #endif /* __cplusplus */
00121 
00122 /* ////////////////////////////////////////////////////////////////////////// */
00123 
00124 #endif /* UNIXEM_INCL_UNIXEM_INTERNAL_H_UTIL */
00125 
00126 /* ////////////////////////////////////////////////////////////////////////// */

UNIX Emulation for Win32 Libraries documentation © Synesis Software Pty Ltd, 2002-2007