469 lines
15 KiB
C
469 lines
15 KiB
C
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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message.c
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Abstract:
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Message table resource accessing functions
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Author:
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Steve Wood (stevewo) 10-Sep-1991
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Revision History:
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--*/
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#include "ntrtlp.h"
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#include "string.h"
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#include "stdio.h"
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#if defined(ALLOC_PRAGMA) && defined(NTOS_KERNEL_RUNTIME)
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#pragma alloc_text(PAGE,RtlFindMessage)
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#endif
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NTSTATUS
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RtlFindMessage(
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IN PVOID DllHandle,
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IN ULONG MessageTableId,
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IN ULONG MessageLanguageId,
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IN ULONG MessageId,
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OUT PMESSAGE_RESOURCE_ENTRY *MessageEntry
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)
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{
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NTSTATUS Status;
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ULONG NumberOfBlocks;
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ULONG EntryIndex;
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PIMAGE_RESOURCE_DATA_ENTRY ResourceDataEntry;
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PMESSAGE_RESOURCE_DATA MessageData;
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PMESSAGE_RESOURCE_BLOCK MessageBlock;
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PCHAR s;
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ULONG_PTR ResourceIdPath[ 3 ];
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RTL_PAGED_CODE();
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ResourceIdPath[ 0 ] = MessageTableId;
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ResourceIdPath[ 1 ] = 1;
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ResourceIdPath[ 2 ] = MessageLanguageId;
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Status = LdrpSearchResourceSection_U( DllHandle,
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ResourceIdPath,
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3,
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0,
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(PVOID *)&ResourceDataEntry
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);
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if (!NT_SUCCESS( Status )) {
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return( Status );
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}
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Status = LdrpAccessResourceData( DllHandle,
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ResourceDataEntry,
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(PVOID *)&MessageData,
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NULL
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);
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if (!NT_SUCCESS( Status )) {
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return( Status );
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}
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NumberOfBlocks = MessageData->NumberOfBlocks;
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MessageBlock = &MessageData->Blocks[ 0 ];
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while (NumberOfBlocks--) {
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if (MessageId >= MessageBlock->LowId &&
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MessageId <= MessageBlock->HighId
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) {
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s = (PCHAR)MessageData + MessageBlock->OffsetToEntries;
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EntryIndex = MessageId - MessageBlock->LowId;
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while (EntryIndex--) {
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s += ((PMESSAGE_RESOURCE_ENTRY)s)->Length;
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}
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*MessageEntry = (PMESSAGE_RESOURCE_ENTRY)s;
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return( STATUS_SUCCESS );
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}
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MessageBlock++;
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}
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return( STATUS_MESSAGE_NOT_FOUND );
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}
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#ifndef NTOS_KERNEL_RUNTIME
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#define MAX_INSERTS 200
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NTSTATUS
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RtlFormatMessage(
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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[ MAX_INSERTS ];
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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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BOOLEAN DefaultedFormatString;
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WCHAR c;
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PWSTR s, s1, s2, s3;
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PWSTR lpDst, lpDstBeg, lpDstLastSpace;
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BOOLEAN WideArg = FALSE;
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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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if (*s >= L'0' && *s <= L'9') {
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CurInsert = (CurInsert * 10) + (*s++ - L'0');
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if (*s >= L'0' && *s <= L'9') {
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return( STATUS_INVALID_PARAMETER );
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}
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}
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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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DefaultedFormatString = FALSE;
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s1 = PrintFormatString;
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*s1++ = L'%';
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s2 = s1;
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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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} 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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WideArg = FALSE;
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#if !defined(_IA64_)
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// look for I64 format string
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s3 = s2;
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while (*s3 && !WideArg) {
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if (s3[0] == L'I' && s3[1] == L'6' && s3[2] == L'4') {
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WideArg = TRUE;
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}
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s3 += 1;
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}
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#endif
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} else {
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DefaultedFormatString = TRUE;
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wcscpy( PrintFormatString, L"%s" );
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s1 = PrintFormatString + wcslen( PrintFormatString );
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WideArg = FALSE;
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}
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if (IgnoreInserts) {
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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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} 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 (cchWritten == -1) {
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return(STATUS_BUFFER_OVERFLOW);
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}
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} else if (ARGUMENT_PRESENT( Arguments )) {
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if ((CurInsert+PrintParameterCount) >= MAX_INSERTS) {
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return( STATUS_INVALID_PARAMETER );
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}
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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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} else 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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} else if (s1[ -1 ] == L'S') {
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s1[ -1 ] = L's';
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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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} else {
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if (WideArg) {
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rgInserts[ MaxInsert++ ] = va_arg( *Arguments, ULONG_PTR );
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rgInserts[ MaxInsert++ ] = va_arg( *Arguments, ULONG_PTR );
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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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}
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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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} else {
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PrintParameter1 = 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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} 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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if (WideArg) {
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cchWritten = _snwprintf(
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lpDst,
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cchRemaining,
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PrintFormatString,
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*(PULONGLONG)&rgInserts[CurInsert],
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PrintParameter1,
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PrintParameter2
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);
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} else {
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cchWritten = _snwprintf(
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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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if (cchWritten == -1) {
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return(STATUS_BUFFER_OVERFLOW);
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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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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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} else if (*s == L'0') {
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break;
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} else if (!*s) {
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return( STATUS_INVALID_PARAMETER );
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} else 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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} else 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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} else 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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} 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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} else 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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} else if (IgnoreInserts) {
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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'%';
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*lpDst++ = *s++;
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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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*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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} else {
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Column += (ULONG)(lpDst - lpDstBeg);
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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'\n' && *s == L'\r') ||
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(c == L'\r' && *s == L'\n')
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)
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{
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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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} 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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} 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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(ULONG) ((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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#endif
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