578 lines
16 KiB
C
578 lines
16 KiB
C
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/*++
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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spdsputl.c
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Abstract:
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Text setup high-level display utility routines.
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Author:
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Ted Miller (tedm) 30-July-1993
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Revision History:
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--*/
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#include "spprecmp.h"
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#pragma hdrstop
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//
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// This will be filled in at init time with the base address of the image
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// containing the message resources.
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// This implementation assumes that we are always executing in the context
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// of that image!
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//
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PVOID ResourceImageBase;
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NTSTATUS
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SpRtlFormatMessage(
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IN PWSTR MessageFormat,
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IN ULONG MaximumWidth OPTIONAL,
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IN BOOLEAN IgnoreInserts,
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IN BOOLEAN ArgumentsAreAnsi,
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IN BOOLEAN ArgumentsAreAnArray,
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IN va_list *Arguments,
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OUT PWSTR Buffer,
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IN ULONG Length,
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OUT PULONG ReturnLength OPTIONAL
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)
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{
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ULONG Column;
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int cchRemaining, cchWritten;
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PULONG_PTR ArgumentsArray = (PULONG_PTR)Arguments;
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ULONG_PTR rgInserts[ 100 ];
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ULONG cSpaces;
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ULONG MaxInsert, CurInsert;
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ULONG PrintParameterCount;
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ULONG_PTR PrintParameter1;
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ULONG_PTR PrintParameter2;
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WCHAR PrintFormatString[ 32 ];
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WCHAR c;
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PWSTR s, s1;
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PWSTR lpDst, lpDstBeg, lpDstLastSpace;
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cchRemaining = Length / sizeof( WCHAR );
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lpDst = Buffer;
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MaxInsert = 0;
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lpDstLastSpace = NULL;
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Column = 0;
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s = MessageFormat;
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while (*s != UNICODE_NULL) {
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if (*s == L'%') {
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s++;
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lpDstBeg = lpDst;
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if (*s >= L'1' && *s <= L'9') {
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CurInsert = *s++ - L'0';
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if (*s >= L'0' && *s <= L'9') {
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CurInsert = (CurInsert * 10) + (*s++ - L'0');
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}
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CurInsert -= 1;
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PrintParameterCount = 0;
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if (*s == L'!') {
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s1 = PrintFormatString;
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*s1++ = L'%';
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s++;
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while (*s != L'!') {
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if (*s != UNICODE_NULL) {
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if (s1 >= &PrintFormatString[ 31 ]) {
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return( STATUS_INVALID_PARAMETER );
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}
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if (*s == L'*') {
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if (PrintParameterCount++ > 1) {
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return( STATUS_INVALID_PARAMETER );
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}
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}
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*s1++ = *s++;
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}
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else {
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return( STATUS_INVALID_PARAMETER );
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}
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}
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s++;
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*s1 = UNICODE_NULL;
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}
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else {
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wcscpy( PrintFormatString, L"%s" );
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s1 = PrintFormatString + wcslen( PrintFormatString );
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}
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if (!IgnoreInserts && ARGUMENT_PRESENT( Arguments )) {
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if (ArgumentsAreAnsi) {
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if (s1[ -1 ] == L'c' && s1[ -2 ] != L'h'
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&& s1[ -2 ] != L'w' && s1[ -2 ] != L'l') {
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wcscpy( &s1[ -1 ], L"hc" );
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}
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else
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if (s1[ -1 ] == L's' && s1[ -2 ] != L'h'
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&& s1[ -2 ] != L'w' && s1[ -2 ] != L'l') {
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wcscpy( &s1[ -1 ], L"hs" );
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}
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else if (s1[ -1 ] == L'S') {
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s1[ -1 ] = L's';
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}
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else if (s1[ -1 ] == L'C') {
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s1[ -1 ] = L'c';
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}
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}
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while (CurInsert >= MaxInsert) {
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if (ArgumentsAreAnArray) {
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rgInserts[ MaxInsert++ ] = *((PULONG_PTR)Arguments)++;
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}
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else {
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rgInserts[ MaxInsert++ ] = va_arg(*Arguments, ULONG_PTR);
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}
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}
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s1 = (PWSTR)rgInserts[ CurInsert ];
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PrintParameter1 = 0;
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PrintParameter2 = 0;
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if (PrintParameterCount > 0) {
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if (ArgumentsAreAnArray) {
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PrintParameter1 = rgInserts[ MaxInsert++ ] = *((PULONG_PTR)Arguments)++;
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}
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else {
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PrintParameter1 = rgInserts[ MaxInsert++ ] = va_arg( *Arguments, ULONG_PTR );
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}
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if (PrintParameterCount > 1) {
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if (ArgumentsAreAnArray) {
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PrintParameter2 = rgInserts[ MaxInsert++ ] = *((PULONG_PTR)Arguments)++;
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}
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else {
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PrintParameter2 = rgInserts[ MaxInsert++ ] = va_arg( *Arguments, ULONG_PTR );
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}
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}
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}
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cchWritten = _snwprintf( lpDst,
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cchRemaining,
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PrintFormatString,
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s1,
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PrintParameter1,
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PrintParameter2
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);
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}
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else
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if (!wcscmp( PrintFormatString, L"%s" )) {
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cchWritten = _snwprintf( lpDst,
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cchRemaining,
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L"%%%u",
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CurInsert+1
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);
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}
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else {
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cchWritten = _snwprintf( lpDst,
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cchRemaining,
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L"%%%u!%s!",
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CurInsert+1,
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&PrintFormatString[ 1 ]
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);
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}
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if ((cchRemaining -= cchWritten) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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lpDst += cchWritten;
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}
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else
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if (*s == L'0') {
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break;
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}
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else
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if (!*s) {
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return( STATUS_INVALID_PARAMETER );
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}
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else
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if (*s == L'!') {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = L'!';
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s++;
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}
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else
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if (*s == L't') {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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if (Column % 8) {
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Column = (Column + 7) & ~7;
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}
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else {
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Column += 8;
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}
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lpDstLastSpace = lpDst;
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*lpDst++ = L'\t';
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s++;
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}
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else
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if (*s == L'b') {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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lpDstLastSpace = lpDst;
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*lpDst++ = L' ';
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s++;
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}
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else
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if (*s == L'r') {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = L'\r';
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s++;
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lpDstBeg = NULL;
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}
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else
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if (*s == L'n') {
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if ((cchRemaining -= 2) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = L'\r';
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*lpDst++ = L'\n';
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s++;
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lpDstBeg = NULL;
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}
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else {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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if (IgnoreInserts) {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = L'%';
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}
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*lpDst++ = *s++;
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}
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if (lpDstBeg == NULL) {
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lpDstLastSpace = NULL;
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Column = 0;
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}
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else {
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Column += (ULONG)(lpDst - lpDstBeg);
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}
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}
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else {
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c = *s++;
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if (c == L'\r' || c == L'\n') {
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if (c == L'\r' && *s == L'\n') {
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s++;
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}
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if (MaximumWidth != 0) {
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lpDstLastSpace = lpDst;
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c = L' ';
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}
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else {
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c = L'\n';
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}
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}
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if (c == L'\n') {
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if ((cchRemaining -= 2) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = L'\r';
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*lpDst++ = L'\n';
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lpDstLastSpace = NULL;
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Column = 0;
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}
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else {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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if (c == L' ') {
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lpDstLastSpace = lpDst;
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}
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*lpDst++ = c;
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Column += 1;
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}
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}
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if (MaximumWidth != 0 &&
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MaximumWidth != 0xFFFFFFFF &&
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Column >= MaximumWidth
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) {
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if (lpDstLastSpace != NULL) {
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lpDstBeg = lpDstLastSpace;
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while (*lpDstBeg == L' ' || *lpDstBeg == L'\t') {
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lpDstBeg += 1;
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if (lpDstBeg == lpDst) {
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break;
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}
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}
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while (lpDstLastSpace > Buffer) {
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if (lpDstLastSpace[ -1 ] == L' ' || lpDstLastSpace[ -1 ] == L'\t') {
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lpDstLastSpace -= 1;
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}
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else {
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break;
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}
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}
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cSpaces = (ULONG)(lpDstBeg - lpDstLastSpace);
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if (cSpaces == 1) {
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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}
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else
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if (cSpaces > 2) {
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cchRemaining += (cSpaces - 2);
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}
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memmove( lpDstLastSpace + 2,
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lpDstBeg,
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(size_t)((lpDst - lpDstBeg) * sizeof( WCHAR ))
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);
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*lpDstLastSpace++ = L'\r';
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*lpDstLastSpace++ = L'\n';
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Column = (ULONG)(lpDst - lpDstBeg);
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lpDst = lpDstLastSpace + Column;
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lpDstLastSpace = NULL;
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}
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else {
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if ((cchRemaining -= 2) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = L'\r';
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*lpDst++ = L'\n';
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lpDstLastSpace = NULL;
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Column = 0;
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}
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}
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}
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if ((cchRemaining -= 1) <= 0) {
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return STATUS_BUFFER_OVERFLOW;
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}
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*lpDst++ = '\0';
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if ( ARGUMENT_PRESENT(ReturnLength) ) {
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*ReturnLength = (ULONG)((lpDst - Buffer) * sizeof( WCHAR ));
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}
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return( STATUS_SUCCESS );
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}
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PWCHAR
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SpRetreiveMessageText(
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IN PVOID ImageBase, OPTIONAL
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IN ULONG MessageId,
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IN OUT PWCHAR MessageText, OPTIONAL
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IN ULONG MessageTextBufferSize OPTIONAL
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)
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{
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ULONG LenBytes;
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PMESSAGE_RESOURCE_ENTRY MessageEntry;
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BOOLEAN IsUnicode;
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ANSI_STRING AnsiString;
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UNICODE_STRING UnicodeString;
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NTSTATUS Status;
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Status = RtlFindMessage(
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ImageBase ? ImageBase : ResourceImageBase,
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(ULONG)(ULONG_PTR)RT_MESSAGETABLE,
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0,
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MessageId,
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&MessageEntry
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);
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if(!NT_SUCCESS(Status)) {
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||
|
|
KdPrintEx((DPFLTR_SETUP_ID, DPFLTR_ERROR_LEVEL, "SETUP: Can't find message 0x%lx\n",MessageId));
|
||
|
|
return(NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
IsUnicode = (BOOLEAN)((MessageEntry->Flags & MESSAGE_RESOURCE_UNICODE) != 0);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the size in bytes of a buffer large enough to hold the
|
||
|
|
// message and its terminating nul wchar. If the message is
|
||
|
|
// unicode, then this value is equal to the size of the message.
|
||
|
|
// If the message is not unicode, then we have to calculate this value.
|
||
|
|
//
|
||
|
|
if(IsUnicode) {
|
||
|
|
|
||
|
|
LenBytes = (wcslen((PWSTR)MessageEntry->Text) + 1) * sizeof(WCHAR);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
//
|
||
|
|
// RtlAnsiStringToUnicodeSize includes an implied wide-nul terminator
|
||
|
|
// in the count it returns.
|
||
|
|
//
|
||
|
|
|
||
|
|
AnsiString.Buffer = MessageEntry->Text;
|
||
|
|
AnsiString.Length = (USHORT)strlen(MessageEntry->Text);
|
||
|
|
AnsiString.MaximumLength = AnsiString.Length;
|
||
|
|
|
||
|
|
LenBytes = RtlAnsiStringToUnicodeSize(&AnsiString);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// If the caller gave a buffer, check its size.
|
||
|
|
// Otherwise, allocate a buffer.
|
||
|
|
//
|
||
|
|
if(MessageText) {
|
||
|
|
if(MessageTextBufferSize < LenBytes) {
|
||
|
|
KdPrintEx((DPFLTR_SETUP_ID, DPFLTR_ERROR_LEVEL, "SETUP: SpRetreiveMessageText: buffer is too small (%u bytes, need %u)\n",MessageTextBufferSize,LenBytes));
|
||
|
|
return(NULL);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
MessageText = SpMemAlloc(LenBytes);
|
||
|
|
if(MessageText == NULL) {
|
||
|
|
return(NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(IsUnicode) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Message is already unicode; just copy it into the buffer.
|
||
|
|
//
|
||
|
|
wcscpy(MessageText,(PWSTR)MessageEntry->Text);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Message is not unicode; convert in into the buffer.
|
||
|
|
//
|
||
|
|
UnicodeString.Buffer = MessageText;
|
||
|
|
UnicodeString.Length = 0;
|
||
|
|
UnicodeString.MaximumLength = (USHORT)LenBytes;
|
||
|
|
|
||
|
|
RtlAnsiStringToUnicodeString(
|
||
|
|
&UnicodeString,
|
||
|
|
&AnsiString,
|
||
|
|
FALSE
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return(MessageText);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
vSpFormatMessageText(
|
||
|
|
OUT PVOID LargeBuffer,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PWSTR MessageText,
|
||
|
|
OUT PULONG ReturnLength, OPTIONAL
|
||
|
|
IN va_list *arglist
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NTSTATUS Status;
|
||
|
|
|
||
|
|
Status = SpRtlFormatMessage(
|
||
|
|
MessageText,
|
||
|
|
0, // don't bother with maximum width
|
||
|
|
FALSE, // don't ignore inserts
|
||
|
|
FALSE, // args are unicode
|
||
|
|
FALSE, // args are not an array
|
||
|
|
arglist,
|
||
|
|
LargeBuffer,
|
||
|
|
BufferSize,
|
||
|
|
ReturnLength
|
||
|
|
);
|
||
|
|
|
||
|
|
ASSERT(NT_SUCCESS(Status));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SpFormatMessageText(
|
||
|
|
OUT PVOID LargeBuffer,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PWSTR MessageText,
|
||
|
|
...
|
||
|
|
)
|
||
|
|
{
|
||
|
|
va_list arglist;
|
||
|
|
|
||
|
|
va_start(arglist,MessageText);
|
||
|
|
|
||
|
|
vSpFormatMessageText(LargeBuffer,BufferSize,MessageText,NULL,&arglist);
|
||
|
|
|
||
|
|
va_end(arglist);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
vSpFormatMessage(
|
||
|
|
OUT PVOID LargeBuffer,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN ULONG MessageId,
|
||
|
|
OUT PULONG ReturnLength, OPTIONAL
|
||
|
|
IN va_list *arglist
|
||
|
|
)
|
||
|
|
{
|
||
|
|
PWCHAR MessageText;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the message text.
|
||
|
|
//
|
||
|
|
MessageText = SpRetreiveMessageText(NULL,MessageId,NULL,0);
|
||
|
|
ASSERT(MessageText);
|
||
|
|
if(MessageText == NULL) {
|
||
|
|
KdPrintEx((DPFLTR_SETUP_ID, DPFLTR_ERROR_LEVEL, "SETUP: vSpFormatMessage: SpRetreiveMessageText %u returned NULL\n",MessageId));
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
vSpFormatMessageText(LargeBuffer,BufferSize,MessageText,ReturnLength,arglist);
|
||
|
|
|
||
|
|
SpMemFree(MessageText);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SpFormatMessage(
|
||
|
|
OUT PVOID LargeBuffer,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN ULONG MessageId,
|
||
|
|
...
|
||
|
|
)
|
||
|
|
{
|
||
|
|
va_list arglist;
|
||
|
|
|
||
|
|
va_start(arglist,MessageId);
|
||
|
|
|
||
|
|
vSpFormatMessage(LargeBuffer,BufferSize,MessageId,NULL,&arglist);
|
||
|
|
|
||
|
|
va_end(arglist);
|
||
|
|
}
|