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517 lines
14 KiB
517 lines
14 KiB
/*++
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Copyright (c) 1996-1997 Microsoft Corporation
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Module Name:
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parser.c
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Abstract:
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Common functions shared by both PPD and PPD parsers
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Environment:
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Windows NT printer drivers
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Revision History:
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01/22/97 -davidx-
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Add PtstrGetDefaultTTSubstTable.
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12/03/96 -davidx-
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Check binary file date against all source printer description files.
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08/16/96 -davidx-
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Created it.
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--*/
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#include "lib.h"
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BOOL
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BIsRawBinaryDataUpToDate(
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IN PRAWBINARYDATA pRawData
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)
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/*++
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Routine Description:
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Check if the raw binary data is up-to-date
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Arguments:
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pRawData - pointer to raw binary printer description data
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Return Value:
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TRUE if the raw binary data is up-to-date;
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FALSE if the timestamp for any of the source file has changed
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since the binary data was generated.
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--*/
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{
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//
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// This function is only available in user-mode.
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// It always returns TRUE when called from kernel-mode.
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// Only the KERNEL_MODE define now means render-module
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// and we added the capability of parsing from the render modula
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#if defined(KERNEL_MODE) && !defined(USERMODE_DRIVER)
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return TRUE;
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#else //
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PFILEDATEINFO pFileDateInfo;
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DWORD dwCount;
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PTSTR ptstrFilename;
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HANDLE hFile;
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FILETIME FileTime;
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BOOL bUpToDate = TRUE;
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pFileDateInfo = OFFSET_TO_POINTER(pRawData, pRawData->FileDateInfo.loOffset);
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dwCount = pRawData->FileDateInfo.dwCount;
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ASSERT(dwCount == 0 || pFileDateInfo != NULL);
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while (dwCount-- > 0)
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{
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ptstrFilename = OFFSET_TO_POINTER(pRawData, pFileDateInfo[dwCount].loFileName);
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ASSERT(ptstrFilename != NULL);
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bUpToDate = FALSE;
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hFile = CreateFile(ptstrFilename,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL | SECURITY_SQOS_PRESENT | SECURITY_ANONYMOUS,
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NULL);
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if (hFile != INVALID_HANDLE_VALUE)
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{
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if (GetFileTime(hFile, NULL, NULL, &FileTime))
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bUpToDate = (CompareFileTime(&FileTime, &pFileDateInfo[dwCount].FileTime) == 0);
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else
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ERR(("GetFileTime '%ws' failed: %d\n", ptstrFilename, GetLastError()));
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CloseHandle(hFile);
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}
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else
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ERR(("CreateFile '%ws' failed: %d\n", ptstrFilename, GetLastError()));
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}
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if (! bUpToDate)
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TERSE(("Raw binary data file is out-of-date.\n"));
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return bUpToDate;
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#endif //!KERNEL_MODE
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}
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PFEATURE
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PGetIndexedFeature(
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PUIINFO pUIInfo,
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DWORD dwFeatureIndex
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)
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/*++
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Routine Description:
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Given a UIINFO structure and a feature index, return a pointer to
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the FEATURE structure corresponding to the specified feature.
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Arguments:
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pUIInfo - Points to a UIINFO structure
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dwFeatureIndex - Specifies the index of the requested feature
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Return Value:
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Pointer to the requested FEATURE, NULL if there is an error
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--*/
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{
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ASSERT(pUIInfo != NULL);
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if (dwFeatureIndex < pUIInfo->dwDocumentFeatures + pUIInfo->dwPrinterFeatures)
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{
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return ((PFEATURE) ((PBYTE) pUIInfo->pInfoHeader + pUIInfo->loFeatureList)) +
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dwFeatureIndex;
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} else
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return NULL;
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}
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POPTION
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PGetNamedOption(
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PUIINFO pUIInfo,
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PFEATURE pFeature,
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PCSTR pstrOptionName,
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PDWORD pdwOptionIndex
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)
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/*++
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Routine Description:
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Find the option whose keyword string matches the specified name
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Arguments:
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pUIInfo - Points to a UIINFO structure
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pFeature - Points to the feature in question
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pstrOptionName - Specifies the name of the interested option
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pdwOptionIndex - Returns the index of the option found
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Return Value:
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Pointer to the OPTION structure whose keyword string matches
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the specified option name; NULL if the specified feature is not found
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--*/
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{
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POPTION pOption;
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DWORD dwIndex, dwOptionCount, dwOptionSize;
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PCSTR pstrName;
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ASSERT(pFeature);
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dwOptionSize = pFeature->dwOptionSize;
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pOption = PGetIndexedOption(pUIInfo, pFeature, 0);
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dwOptionCount = pFeature->Options.dwCount;
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if (pOption != NULL && dwOptionCount)
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{
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for (dwIndex=0; dwIndex < dwOptionCount; dwIndex++)
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{
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pstrName = OFFSET_TO_POINTER(pUIInfo->pubResourceData, pOption->loKeywordName);
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ASSERT(pstrName != NULL);
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if (pstrName && (strcmp(pstrOptionName, pstrName) == EQUAL_STRING))
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{
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*pdwOptionIndex = dwIndex;
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return (pOption);
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}
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pOption = (POPTION)((PBYTE)pOption + dwOptionSize);
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}
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}
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if (pdwOptionIndex)
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*pdwOptionIndex = OPTION_INDEX_ANY;
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return NULL;
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}
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PFEATURE
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PGetNamedFeature(
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PUIINFO pUIInfo,
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PCSTR pstrFeatureName,
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PDWORD pdwFeatureIndex
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)
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/*++
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Routine Description:
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Find the feature whose keyword string matches the specified name
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Arguments:
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pUIInfo - Points to a UIINFO structure
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pstrFeatureName - Specifies the name of the interested feature
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pdwFeatureIndex - Returns the index of the feature found
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Return Value:
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Pointer to the FEATURE structure whose keyword string matches
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the specified feature name; NULL if the specified feature is not found
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--*/
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{
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PFEATURE pFeature;
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DWORD dwIndex, dwFeatureCount;
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PCSTR pstrName;
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pFeature = OFFSET_TO_POINTER(pUIInfo->pInfoHeader, pUIInfo->loFeatureList);
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if (pFeature != NULL)
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{
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dwFeatureCount = pUIInfo->dwDocumentFeatures + pUIInfo->dwPrinterFeatures;
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for (dwIndex=0; dwIndex < dwFeatureCount; dwIndex++, pFeature++)
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{
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pstrName = OFFSET_TO_POINTER(pUIInfo->pubResourceData, pFeature->loKeywordName);
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ASSERT(pstrName != NULL);
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if (strcmp(pstrFeatureName, pstrName) == EQUAL_STRING)
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{
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*pdwFeatureIndex = dwIndex;
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return pFeature;
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}
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}
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}
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*pdwFeatureIndex = 0xffffffff;
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return NULL;
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}
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PVOID
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PGetIndexedOption(
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PUIINFO pUIInfo,
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PFEATURE pFeature,
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DWORD dwOptionIndex
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)
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/*++
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Routine Description:
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Given UIINFO and FEATURE structures and an option index, return a pointer to
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the OPTION structure corresponding to the specified feature option
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Arguments:
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pUIInfo - Points to a UIINFO structure
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pFeature - Specifies the feature whose option the caller is interested in
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dwOptionIndex - Specifies the index of the requested option
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Return Value:
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Pointer to the request OPTION, NULL if there is an error
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--*/
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{
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ASSERT(pUIInfo != NULL && pFeature != NULL);
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if (dwOptionIndex < pFeature->Options.dwCount)
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{
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return (PBYTE) pUIInfo->pInfoHeader +
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(pFeature->Options.loOffset + (dwOptionIndex * pFeature->dwOptionSize));
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} else
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return NULL;
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}
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PVOID
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PGetIndexedFeatureOption(
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PUIINFO pUIInfo,
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DWORD dwFeatureIndex,
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DWORD dwOptionIndex
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)
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/*++
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Routine Description:
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Given a UIINFO structure, a feature index, and an option index,
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return a pointer to the OPTION structure corresponding to
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the specified feature option
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Arguments:
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pUIInfo - Points to a UIINFO structure
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dwFeatureIndex - Specifies the index of the specified feature
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dwOptionIndex - Specifies the index of the requested option
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Return Value:
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Pointer to the request OPTION, NULL if there is an error
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--*/
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{
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PFEATURE pFeature = PGetIndexedFeature(pUIInfo, dwFeatureIndex);
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return pFeature ? PGetIndexedOption(pUIInfo, pFeature, dwOptionIndex) : NULL;
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}
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PPAGESIZE
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PGetCustomPageSizeOption(
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PUIINFO pUIInfo
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)
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/*++
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Routine Description:
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Return a pointer to the PAGESIZE option structure which
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contains custom page size information (e.g. max width and height)
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Arguments:
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pUIInfo - Points to UIINFO structure
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Return Value:
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See above.
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--*/
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{
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PFEATURE pFeature;
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return (SUPPORT_CUSTOMSIZE(pUIInfo) &&
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(pFeature = GET_PREDEFINED_FEATURE(pUIInfo, GID_PAGESIZE))) ?
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PGetIndexedOption(pUIInfo, pFeature, pUIInfo->dwCustomSizeOptIndex) : NULL;
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}
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VOID
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VCopyOptionSelections(
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OUT POPTSELECT pDestOptions,
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IN INT iDestIndex,
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IN POPTSELECT pSrcOptions,
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IN INT iSrcIndex,
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IN OUT PINT piNext,
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IN INT iMaxOptions
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)
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/*++
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Routine Description:
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Copy the current option selections for a single feature from
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the source OPTSELECT array to the destination OPTSELECT array
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Arguments:
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pDestOptions - Points to the destination OPTSELECT array
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iDestIndex - Specifies the destination entry in pDestOptions
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pSrcOptions - Points to the source OPTSELECT array
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iSrcIndex - Specifies the source entry in pSrcOptions
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piNext - On input, it contains the index of next available entry
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in pDestOptions if there are more than one option selected.
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On output, it's updated to point to the next available entry
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in pDestOptions after any overflow selections are copied.
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iMaxOptions - Maximum number of entries in pDestOptions
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Return Value:
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NONE
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--*/
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{
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pDestOptions[iDestIndex].ubCurOptIndex = pSrcOptions[iSrcIndex].ubCurOptIndex;
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while ((iSrcIndex = pSrcOptions[iSrcIndex].ubNext) != NULL_OPTSELECT)
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{
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if (*piNext < iMaxOptions)
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{
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INT iLastDestIndex;
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iLastDestIndex = iDestIndex;
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iDestIndex = *piNext;
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pDestOptions[iLastDestIndex].ubNext = (BYTE) iDestIndex;
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pDestOptions[iDestIndex].ubCurOptIndex = pSrcOptions[iSrcIndex].ubCurOptIndex;
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}
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(*piNext)++;
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}
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pDestOptions[iDestIndex].ubNext = NULL_OPTSELECT;
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}
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//
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// 32 bit ANSI X3.66 CRC checksum table - polynomial 0xedb88320
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//
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// Copyright (C) 1986 Gary S. Brown. You may use this program, or
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// code or tables extracted from it, as desired without restriction.
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//
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static CONST DWORD Crc32Table[] = {
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,
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0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,
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0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,
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0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
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0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,
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0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,
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0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
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0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,
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0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,
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0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,
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0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,
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0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,
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0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,
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0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
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0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,
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0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,
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0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
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0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,
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0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,
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0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,
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0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,
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0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
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};
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DWORD
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ComputeCrc32Checksum(
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IN PBYTE pbuf,
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IN DWORD dwCount,
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IN DWORD dwChecksum
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)
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|
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/*++
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Routine Description:
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Compute the 32-bit CRC checksum on a buffer of data
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Arguments:
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pbuf - Points to a data buffer
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dwCount - Number of bytes in the data buffer
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dwChecksum - Initial checksum value
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Return Value:
|
|
|
|
Resulting checksum value
|
|
|
|
--*/
|
|
|
|
{
|
|
while (dwCount--)
|
|
dwChecksum = Crc32Table[(dwChecksum ^ *pbuf++) & 0xff] ^ (dwChecksum >> 8);
|
|
|
|
return dwChecksum;
|
|
}
|
|
|