616 lines
13 KiB
C
616 lines
13 KiB
C
/*
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* Rtl string functions
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*
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* Copyright 1996-1998 Marcus Meissner
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "wine/winestring.h"
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#include "wine/unicode.h"
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#include "heap.h"
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#include "winnls.h"
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#include "debugtools.h"
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#include "ntdll_misc.h"
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#include "ntddk.h"
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DEFAULT_DEBUG_CHANNEL(ntdll);
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/* STRING FUNCTIONS */
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/**************************************************************************
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* RtlInitString
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*/
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VOID WINAPI RtlInitString(PSTRING target,LPCSTR source)
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{
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TRACE("%p %p(%s)\n", target, source, debugstr_a(source));
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target->Buffer = (LPSTR)source;
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if (source)
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{
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target->Length = lstrlenA(source);
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target->MaximumLength = target->Length+1;
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}
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else
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{
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target->Length = target->MaximumLength = 0;
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}
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}
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/* ANSI FUNCTIONS */
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/**************************************************************************
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* RtlInitAnsiString
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*/
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VOID WINAPI RtlInitAnsiString(
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PANSI_STRING target,
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LPCSTR source)
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{
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TRACE("%p %p(%s)\n", target, source, debugstr_a(source));
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target->Buffer = (LPSTR)source;
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if (source)
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{
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target->Length = lstrlenA(source);
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target->MaximumLength = target->Length+1;
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}
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else
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{
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target->Length = target->MaximumLength = 0;
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}
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}
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/**************************************************************************
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* RtlFreeAnsiString
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*/
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VOID WINAPI RtlFreeAnsiString(
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PANSI_STRING AnsiString)
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{
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TRACE("%p\n", AnsiString);
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dump_AnsiString(AnsiString, TRUE);
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if( AnsiString->Buffer )
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HeapFree( GetProcessHeap(),0,AnsiString->Buffer );
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}
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/* UNICODE FUNCTIONS */
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/**************************************************************************
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* RtlInitUnicodeString [NTDLL.403]
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*/
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VOID WINAPI RtlInitUnicodeString(
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PUNICODE_STRING target,
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LPCWSTR source)
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{
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TRACE("%p %p(%s)\n", target, source, debugstr_w(source));
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target->Buffer = (LPWSTR)source;
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if (source)
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{
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target->Length = lstrlenW(source)*2;
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target->MaximumLength = target->Length + 2;
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}
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else
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{
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target->Length = target->MaximumLength = 0;
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}
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}
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/**************************************************************************
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* RtlFreeUnicodeString [NTDLL.377]
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*/
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VOID WINAPI RtlFreeUnicodeString(
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PUNICODE_STRING UnicodeString)
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{
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TRACE("%p\n", UnicodeString);
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dump_UnicodeString(UnicodeString, TRUE);
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if (UnicodeString->Buffer)
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HeapFree(GetProcessHeap(),0,UnicodeString->Buffer);
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}
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/*
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COMPARE FUNCTIONS
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*/
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/**************************************************************************
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* RtlEqualUnicodeString
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*/
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BOOLEAN WINAPI RtlEqualUnicodeString(
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IN PUNICODE_STRING s1,
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IN PUNICODE_STRING s2,
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IN BOOLEAN CaseInsensitive)
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{
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BOOLEAN ret;
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TRACE("(%p,%p,%x)\n",s1,s2,CaseInsensitive);
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dump_UnicodeString(s1, TRUE);
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dump_UnicodeString(s2, TRUE);
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if(!s1 || !s2 || !s1->Buffer || !s2->Buffer) return FALSE;
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if (s1->Length != s2->Length) return FALSE;
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if (CaseInsensitive)
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ret = !strncmpiW(s1->Buffer,s2->Buffer,s1->Length/sizeof(WCHAR));
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else
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ret = !strncmpW(s1->Buffer,s2->Buffer,s1->Length/sizeof(WCHAR));
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return ret;
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}
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/******************************************************************************
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* RtlCompareUnicodeString
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*/
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LONG WINAPI RtlCompareUnicodeString(
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PUNICODE_STRING s1,
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PUNICODE_STRING s2,
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BOOLEAN CaseInsensitive)
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{
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LONG ret;
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TRACE("(%p,%p,%x)\n",s1,s2,CaseInsensitive);
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dump_UnicodeString(s1, TRUE);
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dump_UnicodeString(s2, TRUE);
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if(!s1 || !s2 || !s1->Buffer || !s2->Buffer) return FALSE;
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if (s1->Length != s2->Length) return (s1->Length - s2->Length);
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if (CaseInsensitive)
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ret = strncmpiW(s1->Buffer,s2->Buffer,s1->Length/sizeof(WCHAR));
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else
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ret = strncmpW(s1->Buffer,s2->Buffer,s1->Length/sizeof(WCHAR));
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return ret;
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}
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/*
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COPY BETWEEN ANSI_STRING or UNICODE_STRING
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there is no parameter checking, it just crashes
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*/
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/**************************************************************************
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* RtlAnsiStringToUnicodeString
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*
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* NOTES:
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* writes terminating 0
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*/
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NTSTATUS
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WINAPI RtlAnsiStringToUnicodeString(
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PUNICODE_STRING uni,
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PANSI_STRING ansi,
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BOOLEAN doalloc)
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{
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int len = ansi->Length * sizeof(WCHAR);
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TRACE("%p %p %u\n",uni, ansi, doalloc);
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dump_AnsiString(ansi, TRUE);
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dump_UnicodeString(uni, FALSE);
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if (len>0xfffe) return STATUS_INVALID_PARAMETER_2;
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uni->Length = len;
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if (doalloc)
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{
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uni->MaximumLength = len + sizeof(WCHAR);
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uni->Buffer = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,uni->MaximumLength);
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if (!uni->Buffer) return STATUS_NO_MEMORY;
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}
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else if (len+sizeof(WCHAR) > uni->MaximumLength)
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{
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return STATUS_BUFFER_OVERFLOW;
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}
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lstrcpynAtoW(uni->Buffer,ansi->Buffer,ansi->Length+1);
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return STATUS_SUCCESS;
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}
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/**************************************************************************
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* RtlUpcaseUnicodeString
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*
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* NOTES:
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* destination string is never 0-terminated because dest can be equal to src
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* and src might be not 0-terminated
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* dest.Length only set when success
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*/
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DWORD WINAPI RtlUpcaseUnicodeString(
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PUNICODE_STRING dest,
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PUNICODE_STRING src,
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BOOLEAN doalloc)
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{
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int i, len = src->Length;
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TRACE("(%p,%p,%x)\n",dest, src, doalloc);
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dump_UnicodeString(dest, FALSE);
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dump_UnicodeString(src, TRUE);
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if (doalloc)
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{
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dest->Buffer = (LPWSTR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
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if (!dest->Buffer) return STATUS_NO_MEMORY;
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dest->MaximumLength = len;
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}
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else if (len > dest->MaximumLength)
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{
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return STATUS_BUFFER_OVERFLOW;
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}
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for (i=0; i < len/sizeof(WCHAR); i++)
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{
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dest->Buffer[i] = toupperW(src->Buffer[i]);
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}
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dest->Length = len;
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return STATUS_SUCCESS;
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}
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/**************************************************************************
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* RtlOemStringToUnicodeString
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*
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* NOTES
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* writes terminating 0
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* buffer must be bigger than (ansi->Length+1)*2
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* if astr.Length > 0x7ffe it returns STATUS_INVALID_PARAMETER_2
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*
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* FIXME
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* OEM to unicode
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*/
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NTSTATUS
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WINAPI RtlOemStringToUnicodeString(
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PUNICODE_STRING uni,
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PSTRING ansi,
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BOOLEAN doalloc)
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{
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int len = ansi->Length * sizeof(WCHAR);
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if (len > 0xfffe) return STATUS_INVALID_PARAMETER_2;
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uni->Length = len;
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if (doalloc)
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{
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uni->Buffer = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, len + sizeof(WCHAR));
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if (!uni->Buffer) return STATUS_NO_MEMORY;
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uni->MaximumLength = len + sizeof(WCHAR);
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}
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else if (len+1 > uni->MaximumLength )
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{
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return STATUS_BUFFER_OVERFLOW;
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}
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lstrcpynAtoW(uni->Buffer,ansi->Buffer,ansi->Length+1);
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return STATUS_SUCCESS;
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}
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/**************************************************************************
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* RtlUnicodeStringToOemString
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*
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* NOTES
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* allocates uni->Length+1
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* writes terminating 0
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*/
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NTSTATUS
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WINAPI RtlUnicodeStringToOemString(
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PANSI_STRING oem,
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PUNICODE_STRING uni,
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BOOLEAN doalloc)
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{
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int len = uni->Length/sizeof(WCHAR);
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TRACE("%p %s %i\n", oem, debugstr_us(uni), doalloc);
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oem->Length = len;
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if (doalloc)
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{
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oem->Buffer = (LPSTR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len+1);
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if (! oem->Buffer) return STATUS_NO_MEMORY;
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oem->MaximumLength = len + 1;
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}
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else if (oem->MaximumLength <= len)
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{
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return STATUS_BUFFER_OVERFLOW;
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}
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lstrcpynWtoA(oem->Buffer, uni->Buffer, len+1);
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return STATUS_SUCCESS;
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}
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/**************************************************************************
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* RtlUpcaseUnicodeStringToOemString
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*
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* NOTES
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* writes terminating 0
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*/
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NTSTATUS
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WINAPI RtlUpcaseUnicodeStringToOemString(
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PANSI_STRING oem,
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PUNICODE_STRING uni,
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BOOLEAN doalloc)
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{
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int i, len = uni->Length/sizeof(WCHAR);
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TRACE("%p %s %i\n", oem, debugstr_us(uni), doalloc);
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oem->Length = len;
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if (doalloc)
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{
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oem->Buffer = (LPSTR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len+1);
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if (! oem->Buffer) return STATUS_NO_MEMORY;
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oem->MaximumLength = len + 1;
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}
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else if (oem->MaximumLength <= len)
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{
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return STATUS_BUFFER_OVERFLOW;
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}
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for (i=0; i < len; i++)
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{
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oem->Buffer[i] = toupperW((char)(uni->Buffer[i]));
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}
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oem->Buffer[i] = 0;
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return STATUS_SUCCESS;
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}
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/**************************************************************************
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* RtlUnicodeStringToAnsiString
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*
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* NOTES
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* writes terminating 0
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* copys a part if the buffer is to small
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*/
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NTSTATUS
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WINAPI RtlUnicodeStringToAnsiString(
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PANSI_STRING ansi,
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PUNICODE_STRING uni,
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BOOLEAN doalloc)
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{
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int len = uni->Length/sizeof(WCHAR);
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NTSTATUS ret = STATUS_SUCCESS;
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TRACE("%p %s %i\n", ansi, debugstr_us(uni), doalloc);
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ansi->Length = len;
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if (doalloc)
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{
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ansi->Buffer = (LPSTR)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len+1);
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if (! ansi->Buffer) return STATUS_NO_MEMORY;
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ansi->MaximumLength = len + 1;
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}
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else if (ansi->MaximumLength <= len)
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{
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ansi->Length = ansi->MaximumLength - 1;
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ret = STATUS_BUFFER_OVERFLOW;
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}
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lstrcpynWtoA(ansi->Buffer, uni->Buffer, ansi->Length+1);
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return ret;
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}
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/*
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COPY BETWEEN ANSI/UNICODE_STRING AND MULTIBYTE STRINGS
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*/
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/**************************************************************************
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* RtlMultiByteToUnicodeN
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*
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* NOTES
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* dest can be equal to src
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* if unistr is to small a part is copyed
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*
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* FIXME
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* multibyte support
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*/
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NTSTATUS
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WINAPI RtlMultiByteToUnicodeN(
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LPWSTR unistr,
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DWORD unilen,
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LPDWORD reslen,
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LPSTR oemstr,
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DWORD oemlen)
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{
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UINT len;
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int i;
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TRACE("%p %lu, %p, %s, %lu\n", oemstr, oemlen, reslen, debugstr_w(unistr), unilen);
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len = (unilen/sizeof(WCHAR) < oemlen) ? unilen/sizeof(WCHAR) : oemlen;
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for (i = len-1; i>=0; i--)
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unistr[i] = (WCHAR)oemstr[i];
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if (reslen) *reslen = len * 2;
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return 0;
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}
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/**************************************************************************
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* RtlOemToUnicodeN
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*/
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NTSTATUS
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WINAPI RtlOemToUnicodeN(
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LPWSTR unistr,
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DWORD unilen,
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LPDWORD reslen,
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LPSTR oemstr,
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DWORD oemlen)
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{
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UINT len;
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int i;
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TRACE("%p %lu, %p, %s, %lu\n", oemstr, oemlen, reslen, debugstr_w(unistr), unilen);
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len = (unilen/sizeof(WCHAR) < oemlen) ? unilen/sizeof(WCHAR) : oemlen;
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for (i = len-1; i>=0; i--)
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unistr[i] = (WCHAR)oemstr[i];
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if (reslen) *reslen = len * 2;
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return 0;
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}
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/**************************************************************************
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* RtlUnicodeToOemN
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*/
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NTSTATUS
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WINAPI RtlUnicodeToOemN(
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LPSTR oemstr,
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DWORD oemlen,
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LPDWORD reslen,
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LPWSTR unistr,
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DWORD unilen)
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{
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UINT len;
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int i;
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TRACE("%p %lu, %p, %s, %lu\n", oemstr, oemlen, reslen, debugstr_w(unistr), unilen);
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len = (oemlen < unilen/sizeof(WCHAR)) ? unilen/sizeof(WCHAR) : oemlen;
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for (i = len-1; i>=0; i--)
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oemstr[i] = (CHAR)unistr[i];
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if (reslen) *reslen = len * 2;
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return 0;
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}
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/**************************************************************************
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* RtlUpcaseUnicodeToOemN
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*/
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NTSTATUS
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WINAPI RtlUpcaseUnicodeToOemN(
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LPSTR oemstr,
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DWORD oemlen,
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LPDWORD reslen,
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LPWSTR unistr,
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DWORD unilen)
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{
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UINT len;
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int i;
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TRACE("%p %lu, %p, %s, %lu\n", oemstr, oemlen, reslen, debugstr_w(unistr), unilen);
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len = (oemlen < unilen/sizeof(WCHAR)) ? unilen/sizeof(WCHAR) : oemlen;
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for (i = len-1; i>=0; i--)
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oemstr[i] = toupper((CHAR)unistr[i]);
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if (reslen) *reslen = len * 2;
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return 0;
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}
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/**************************************************************************
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* RtlUnicodeToMultiByteN
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*/
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NTSTATUS WINAPI RtlUnicodeToMultiByteN(
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PCHAR MbString,
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ULONG MbSize,
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PULONG ResultSize,
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PWCHAR UnicodeString,
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ULONG UnicodeSize)
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{
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int Size = 0, i;
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TRACE("(%p,%lu,%p,%p(%s),%lu)\n",
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MbString, MbSize, ResultSize, UnicodeString, debugstr_w(UnicodeString), UnicodeSize);
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Size = (UnicodeSize > (MbSize*sizeof(WCHAR))) ? MbSize: UnicodeSize/sizeof(WCHAR);
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if (ResultSize != NULL) *ResultSize = Size;
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for(i = 0; i < Size; i++)
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{
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*(MbString++) = *(UnicodeString++);
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}
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return STATUS_SUCCESS;
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}
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/*
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STRING SIZE
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Rtlx* supports multibyte
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*/
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/**************************************************************************
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* RtlxOemStringToUnicodeSize
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*/
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UINT WINAPI RtlxOemStringToUnicodeSize(PSTRING str)
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{
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return str->Length*2+2;
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}
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/**************************************************************************
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* RtlxAnsiStringToUnicodeSize
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*/
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UINT WINAPI RtlxAnsiStringToUnicodeSize(PANSI_STRING str)
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{
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return str->Length*2+2;
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}
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/**************************************************************************
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* RtlxUnicodeStringToOemSize
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*
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*/
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UINT WINAPI RtlxUnicodeStringToOemSize(PUNICODE_STRING str)
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{
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return str->Length+1;
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}
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/*
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MISC
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*/
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/**************************************************************************
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* RtlIsTextUnicode
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*
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* Apply various feeble heuristics to guess whether
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* the text buffer contains Unicode.
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* FIXME: should implement more tests.
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*/
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DWORD WINAPI RtlIsTextUnicode(
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LPVOID buf,
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DWORD len,
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DWORD *pf)
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{
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LPWSTR s = buf;
|
|
DWORD flags = -1, out_flags = 0;
|
|
|
|
if (!len)
|
|
goto out;
|
|
if (pf)
|
|
flags = *pf;
|
|
/*
|
|
* Apply various tests to the text string. According to the
|
|
* docs, each test "passed" sets the corresponding flag in
|
|
* the output flags. But some of the tests are mutually
|
|
* exclusive, so I don't see how you could pass all tests ...
|
|
*/
|
|
|
|
/* Check for an odd length ... pass if even. */
|
|
if (!(len & 1))
|
|
out_flags |= IS_TEXT_UNICODE_ODD_LENGTH;
|
|
|
|
/* Check for the special unicode marker byte. */
|
|
if (*s == 0xFEFF)
|
|
out_flags |= IS_TEXT_UNICODE_SIGNATURE;
|
|
|
|
/*
|
|
* Check whether the string passed all of the tests.
|
|
*/
|
|
flags &= ITU_IMPLEMENTED_TESTS;
|
|
if ((out_flags & flags) != flags)
|
|
len = 0;
|
|
out:
|
|
if (pf)
|
|
*pf = out_flags;
|
|
return len;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* RtlPrefixUnicodeString
|
|
*/
|
|
NTSTATUS WINAPI RtlPrefixUnicodeString(
|
|
PUNICODE_STRING a,
|
|
PUNICODE_STRING b,
|
|
DWORD x)
|
|
{
|
|
TRACE("(%s,%s,%lx)\n",debugstr_us(a),debugstr_us(b),x);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|