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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================
**
** Source: openfilemappingw.c (test 3)
**
** Purpose: Positive test the OpenFileMappingW API.
** Call OpenFileMappingW to open a named file-mapping
** object with FILE_MAP_READ access
**
**
**============================================================*/
#define UNICODE
#include <palsuite.h>
int __cdecl main(int argc, char *argv[])
{
char buf[] = "this is a test";
char ch[1024];
HANDLE FileMappingHandle;
HANDLE OpenFileMappingHandle;
HANDLE OpenFileMappingHandle2;
HANDLE lpMapViewAddress;
HANDLE lpMapViewAddress2;
const int LOWORDERSIZE = 1024;
int RetVal = PASS;
WCHAR wpMappingFileObject[] = {'m','y','O','b','j','e','c','t','\0'};
/* Initialize the PAL environment.
*/
if(0 != PAL_Initialize(argc, argv))
{
return FAIL;
}
/* Create a unnamed file-mapping object with file handle FileHandle.
*/
FileMappingHandle = CreateFileMapping(
INVALID_HANDLE_VALUE,
NULL, /* not inherited */
PAGE_READWRITE, /* read and wite */
0, /* high-order size */
LOWORDERSIZE, /* must be non-zero */
wpMappingFileObject);/* named object */
if(NULL == FileMappingHandle)
{
Fail("\nFailed to call CreateFileMapping to create mapping object!\n");
}
if(GetLastError() == ERROR_ALREADY_EXISTS)
{
Trace("\nFile mapping object already exists!\n");
RetVal = FAIL;
goto CleanUpOne;
}
/* Open a named file-mapping object with FILE_MAP_ALL_ACCESS access.
*/
OpenFileMappingHandle = OpenFileMapping(
FILE_MAP_READ,
FALSE,
wpMappingFileObject);
if(NULL == OpenFileMappingHandle)
{
Trace("\nFailed to Call OpenFileMapping API!\n");
RetVal = FAIL;
goto CleanUpOne;
}
/* Open a file mapping with FILE_MAP_ALL_ACCESS access,
* to verify the FILE_MAP_READ.
*/
OpenFileMappingHandle2 = OpenFileMapping(
FILE_MAP_ALL_ACCESS,
FALSE,
wpMappingFileObject);
if(NULL == OpenFileMappingHandle2)
{
Trace("\nFailed to Call OpenFileMapping API!\n");
RetVal = FAIL;
goto CleanUpTwo;
}
/* Test the opened map view.
*/
lpMapViewAddress = MapViewOfFile(
OpenFileMappingHandle,
FILE_MAP_READ, /* access code */
0, /* high order offset */
0, /* low order offset */
LOWORDERSIZE); /* number of bytes for map */
if(NULL == lpMapViewAddress)
{
Trace("ERROR:%u: Failed to call MapViewOfFile "
"API to map a view of file!\n",
GetLastError());
RetVal = FAIL;
goto CleanUpThree;
}
/* Open a map view with FILE_MAP_ALL_ACCESS to verify,
* the FILE_MAP_READ view.
*/
lpMapViewAddress2 = MapViewOfFile(
OpenFileMappingHandle2,
FILE_MAP_ALL_ACCESS, /* access code */
0, /* high order offset */
0, /* low order offset */
LOWORDERSIZE); /* number of bytes for map */
if(NULL == lpMapViewAddress2)
{
Trace("2ERROR:%u: Failed to call MapViewOfFile "
"API to map a view of file!\n",
GetLastError());
RetVal = FAIL;
goto CleanUpFour;
}
/* Write to the Map View.
*/
memcpy(lpMapViewAddress2, buf, strlen(buf));
/* Read from the Map View.
*/
memcpy(ch, (LPCSTR)lpMapViewAddress, LOWORDERSIZE);
/* Compare what was written to the Map View,
* to what was read.
*/
if (memcmp(ch, buf, strlen(buf))!= 0)
{
Trace("ERROR: MapViewOfFile not equal to file contents "
"retrieved \"%s\", expected \"%s\".\n",
ch,
buf);
RetVal = FAIL;
goto CleanUpFive;
}
CleanUpFive:
/* Unmap the view of file.
*/
if ( UnmapViewOfFile(lpMapViewAddress2) == FALSE )
{
Trace("ERROR:%u: Failed to UnmapViewOfFile of \"%0x%lx\".\n",
GetLastError(),
lpMapViewAddress2);
RetVal = FAIL;
}
CleanUpFour:
/* Unmap the view of file.
*/
if ( UnmapViewOfFile(lpMapViewAddress) == FALSE )
{
Trace("ERROR:%u: Failed to UnmapViewOfFile of \"%0x%lx\".\n",
GetLastError(),
lpMapViewAddress);
RetVal = FAIL;
}
CleanUpThree:
/* Close Handle to opened file mapping.
*/
if ( CloseHandle(OpenFileMappingHandle2) == 0 )
{
Trace("ERROR:%u: Failed to CloseHandle \"0x%lx\".\n",
GetLastError(),
OpenFileMappingHandle2);
RetVal = FAIL;
}
CleanUpTwo:
/* Close Handle to opened file mapping.
*/
if ( CloseHandle(OpenFileMappingHandle) == 0 )
{
Trace("ERROR:%u: Failed to CloseHandle \"0x%lx\".\n",
GetLastError(),
OpenFileMappingHandle);
RetVal = FAIL;
}
CleanUpOne:
/* Close Handle to create file mapping.
*/
if ( CloseHandle(FileMappingHandle) == 0 )
{
Trace("ERROR:%u: Failed to CloseHandle \"0x%lx\".\n",
GetLastError(),
FileMappingHandle);
RetVal = FAIL;
}
/* Terminate the PAL.
*/
PAL_TerminateEx(RetVal);
return RetVal;
}
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