4 * Copyright (C) 1996-1998 Marcus Meissner
5 * Copyright (C) 2000 Alexandre Julliard
6 * Copyright (C) 2003 Thomas Mertes
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
31 #include "wine/unicode.h"
32 #include "wine/debug.h"
33 #include "ntdll_misc.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
37 UINT NlsAnsiCodePage = 1252;
38 BYTE NlsMbCodePageTag = 0;
39 BYTE NlsMbOemCodePageTag = 0;
41 static const union cptable *ansi_table;
42 static const union cptable *oem_table;
44 inline static const union cptable *get_ansi_table(void)
46 if (!ansi_table) ansi_table = wine_cp_get_table( 1252 );
50 inline static const union cptable *get_oem_table(void)
52 if (!oem_table) oem_table = wine_cp_get_table( 437 );
57 /**************************************************************************
58 * __wine_init_codepages (NTDLL.@)
60 * Set the code page once kernel32 is loaded. Should be done differently.
62 void __wine_init_codepages( const union cptable *ansi, const union cptable *oem )
66 NlsAnsiCodePage = ansi->info.codepage;
70 /**************************************************************************
71 * RtlInitAnsiString (NTDLL.@)
73 * Initializes a buffered ansi string.
79 * Assigns source to target->Buffer. The length of source is assigned to
80 * target->Length and target->MaximumLength. If source is NULL the length
81 * of source is assumed to be 0.
83 void WINAPI RtlInitAnsiString(
84 PANSI_STRING target, /* [I/O] Buffered ansi string to be initialized */
85 PCSZ source) /* [I] '\0' terminated string used to initialize target */
87 if ((target->Buffer = (PCHAR) source))
89 target->Length = strlen(source);
90 target->MaximumLength = target->Length + 1;
92 else target->Length = target->MaximumLength = 0;
96 /**************************************************************************
97 * RtlInitString (NTDLL.@)
99 * Initializes a buffered string.
105 * Assigns source to target->Buffer. The length of source is assigned to
106 * target->Length and target->MaximumLength. If source is NULL the length
107 * of source is assumed to be 0.
109 void WINAPI RtlInitString(
110 PSTRING target, /* [I/O] Buffered string to be initialized */
111 PCSZ source) /* [I] '\0' terminated string used to initialize target */
113 RtlInitAnsiString( target, source );
117 /**************************************************************************
118 * RtlFreeAnsiString (NTDLL.@)
120 void WINAPI RtlFreeAnsiString( PSTRING str )
122 if (str->Buffer) RtlFreeHeap( ntdll_get_process_heap(), 0, str->Buffer );
126 /**************************************************************************
127 * RtlFreeOemString (NTDLL.@)
129 void WINAPI RtlFreeOemString( PSTRING str )
131 RtlFreeAnsiString( str );
135 /**************************************************************************
136 * RtlCopyString (NTDLL.@)
138 void WINAPI RtlCopyString( STRING *dst, const STRING *src )
142 unsigned int len = min( src->Length, dst->MaximumLength );
143 memcpy( dst->Buffer, src->Buffer, len );
146 else dst->Length = 0;
150 /**************************************************************************
151 * RtlInitUnicodeString (NTDLL.@)
153 * Initializes a buffered unicode string.
159 * Assigns source to target->Buffer. The length of source is assigned to
160 * target->Length and target->MaximumLength. If source is NULL the length
161 * of source is assumed to be 0.
163 void WINAPI RtlInitUnicodeString(
164 PUNICODE_STRING target, /* [I/O] Buffered unicode string to be initialized */
165 PCWSTR source) /* [I] '\0' terminated unicode string used to initialize target */
167 if ((target->Buffer = (PWSTR) source))
169 target->Length = strlenW(source) * sizeof(WCHAR);
170 target->MaximumLength = target->Length + sizeof(WCHAR);
172 else target->Length = target->MaximumLength = 0;
176 /**************************************************************************
177 * RtlInitUnicodeStringEx (NTDLL.@)
179 * Initializes a buffered unicode string.
182 * Success: STATUS_SUCCESS. target is initialized.
183 * Failure: STATUS_NAME_TOO_LONG, if the source string is larger than 65532 bytes.
186 * Assigns source to target->Buffer. The length of source is assigned to
187 * target->Length and target->MaximumLength. If source is NULL the length
188 * of source is assumed to be 0.
190 NTSTATUS WINAPI RtlInitUnicodeStringEx(
191 PUNICODE_STRING target, /* [I/O] Buffered unicode string to be initialized */
192 PCWSTR source) /* [I] '\0' terminated unicode string used to initialize target */
194 if (source != NULL) {
195 unsigned int len = strlenW(source) * sizeof(WCHAR);
198 return STATUS_NAME_TOO_LONG;
200 target->Length = len;
201 target->MaximumLength = len + sizeof(WCHAR);
202 target->Buffer = (PWSTR) source;
206 target->MaximumLength = 0;
207 target->Buffer = NULL;
209 return STATUS_SUCCESS;
213 /**************************************************************************
214 * RtlCreateUnicodeString (NTDLL.@)
216 BOOLEAN WINAPI RtlCreateUnicodeString( PUNICODE_STRING target, LPCWSTR src )
218 int len = (strlenW(src) + 1) * sizeof(WCHAR);
219 if (!(target->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, len ))) return FALSE;
220 memcpy( target->Buffer, src, len );
221 target->MaximumLength = len;
222 target->Length = len - sizeof(WCHAR);
227 /**************************************************************************
228 * RtlCreateUnicodeStringFromAsciiz (NTDLL.@)
230 BOOLEAN WINAPI RtlCreateUnicodeStringFromAsciiz( PUNICODE_STRING target, LPCSTR src )
233 RtlInitAnsiString( &ansi, src );
234 return !RtlAnsiStringToUnicodeString( target, &ansi, TRUE );
238 /**************************************************************************
239 * RtlFreeUnicodeString (NTDLL.@)
241 void WINAPI RtlFreeUnicodeString( PUNICODE_STRING str )
243 if (str->Buffer) RtlFreeHeap( ntdll_get_process_heap(), 0, str->Buffer );
247 /**************************************************************************
248 * RtlCopyUnicodeString (NTDLL.@)
250 void WINAPI RtlCopyUnicodeString( UNICODE_STRING *dst, const UNICODE_STRING *src )
254 unsigned int len = min( src->Length, dst->MaximumLength );
255 memcpy( dst->Buffer, src->Buffer, len );
257 /* append terminating '\0' if enough space */
258 if (len < dst->MaximumLength) dst->Buffer[len / sizeof(WCHAR)] = 0;
260 else dst->Length = 0;
264 /**************************************************************************
265 * RtlDuplicateUnicodeString (NTDLL.@)
267 * Duplicates an unicode string.
270 * Success: STATUS_SUCCESS. destination contains the duplicated unicode string.
271 * Failure: STATUS_INVALID_PARAMETER, if one of the parameters is illegal.
272 * STATUS_NO_MEMORY, if the allocation fails.
275 * For add_nul there are several possible values:
276 * 0 = destination will not be '\0' terminated,
277 * 1 = destination will be '\0' terminated,
278 * 3 = like 1 but for an empty source string produce '\0' terminated empty
279 * Buffer instead of assigning NULL to the Buffer.
280 * Other add_nul values are invalid.
282 NTSTATUS WINAPI RtlDuplicateUnicodeString(
283 int add_nul, /* [I] flag */
284 const UNICODE_STRING *source, /* [I] Unicode string to be duplicated */
285 UNICODE_STRING *destination) /* [O] destination for the duplicated unicode string */
287 if (source == NULL || destination == NULL ||
288 source->Length > source->MaximumLength ||
289 (source->Length == 0 && source->MaximumLength > 0 && source->Buffer == NULL) ||
290 add_nul == 2 || add_nul >= 4 || add_nul < 0) {
291 return STATUS_INVALID_PARAMETER;
293 if (source->Length == 0 && add_nul != 3) {
294 destination->Length = 0;
295 destination->MaximumLength = 0;
296 destination->Buffer = NULL;
298 unsigned int destination_max_len = source->Length;
301 destination_max_len += sizeof(WCHAR);
303 destination->Buffer = RtlAllocateHeap(ntdll_get_process_heap(), 0, destination_max_len);
304 if (destination->Buffer == NULL) {
305 return STATUS_NO_MEMORY;
307 memcpy(destination->Buffer, source->Buffer, source->Length);
308 destination->Length = source->Length;
309 destination->MaximumLength = source->Length;
310 /* append terminating '\0' if enough space */
312 destination->MaximumLength = destination_max_len;
313 destination->Buffer[destination->Length / sizeof(WCHAR)] = 0;
318 return STATUS_SUCCESS;
322 /**************************************************************************
323 * RtlEraseUnicodeString (NTDLL.@)
325 void WINAPI RtlEraseUnicodeString( UNICODE_STRING *str )
329 memset( str->Buffer, 0, str->MaximumLength );
340 /******************************************************************************
341 * RtlCompareString (NTDLL.@)
343 LONG WINAPI RtlCompareString( const STRING *s1, const STRING *s2, BOOLEAN CaseInsensitive )
349 len = min(s1->Length, s2->Length);
355 while (!ret && len--) ret = toupper(*p1++) - toupper(*p2++);
359 while (!ret && len--) ret = *p1++ - *p2++;
361 if (!ret) ret = s1->Length - s2->Length;
366 /******************************************************************************
367 * RtlCompareUnicodeString (NTDLL.@)
369 LONG WINAPI RtlCompareUnicodeString( const UNICODE_STRING *s1, const UNICODE_STRING *s2,
370 BOOLEAN CaseInsensitive )
376 len = min(s1->Length, s2->Length) / sizeof(WCHAR);
382 while (!ret && len--) ret = toupperW(*p1++) - toupperW(*p2++);
386 while (!ret && len--) ret = *p1++ - *p2++;
388 if (!ret) ret = s1->Length - s2->Length;
393 /**************************************************************************
394 * RtlEqualString (NTDLL.@)
396 * Determine if two strings are equal.
399 * s1 [I] Source string
400 * s2 [I] String to compare to s1
401 * CaseInsensitive [I] TRUE = Case insensitive, FALSE = Case sensitive
404 * Non-zero if s1 is equal to s2, 0 otherwise.
406 BOOLEAN WINAPI RtlEqualString( const STRING *s1, const STRING *s2, BOOLEAN CaseInsensitive )
408 if (s1->Length != s2->Length) return FALSE;
409 return !RtlCompareString( s1, s2, CaseInsensitive );
413 /**************************************************************************
414 * RtlEqualUnicodeString (NTDLL.@)
416 * Unicode version of RtlEqualString.
418 BOOLEAN WINAPI RtlEqualUnicodeString( const UNICODE_STRING *s1, const UNICODE_STRING *s2,
419 BOOLEAN CaseInsensitive )
421 if (s1->Length != s2->Length) return FALSE;
422 return !RtlCompareUnicodeString( s1, s2, CaseInsensitive );
426 /**************************************************************************
427 * RtlPrefixString (NTDLL.@)
429 * Determine if one string is a prefix of another.
432 * s1 [I] Prefix to look for in s2
433 * s2 [I] String that may contain s1 as a prefix
434 * ignore_case [I] TRUE = Case insensitive, FALSE = Case sensitive
437 * TRUE if s2 contains s1 as a prefix, FALSE otherwise.
439 BOOLEAN WINAPI RtlPrefixString( const STRING *s1, const STRING *s2, BOOLEAN ignore_case )
443 if (s1->Length > s2->Length) return FALSE;
446 for (i = 0; i < s1->Length; i++)
447 if (toupper(s1->Buffer[i]) != toupper(s2->Buffer[i])) return FALSE;
451 for (i = 0; i < s1->Length; i++)
452 if (s1->Buffer[i] != s2->Buffer[i]) return FALSE;
458 /**************************************************************************
459 * RtlPrefixUnicodeString (NTDLL.@)
461 * Unicode version of RtlPrefixString.
463 BOOLEAN WINAPI RtlPrefixUnicodeString( const UNICODE_STRING *s1,
464 const UNICODE_STRING *s2,
465 BOOLEAN ignore_case )
469 if (s1->Length > s2->Length) return FALSE;
472 for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
473 if (toupperW(s1->Buffer[i]) != toupperW(s2->Buffer[i])) return FALSE;
477 for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
478 if (s1->Buffer[i] != s2->Buffer[i]) return FALSE;
484 /**************************************************************************
485 * RtlEqualComputerName (NTDLL.@)
487 * Determine if two computer names are the same.
490 * left [I] First computer name
491 * right [I] Second computer name
494 * 0 if the names are equal, non-zero otherwise.
497 * The comparason is case insensitive.
499 NTSTATUS WINAPI RtlEqualComputerName(const UNICODE_STRING *left,
500 const UNICODE_STRING *right)
503 STRING upLeft, upRight;
505 if (!(ret = RtlUpcaseUnicodeStringToOemString( &upLeft, left, TRUE )))
507 if (!(ret = RtlUpcaseUnicodeStringToOemString( &upRight, right, TRUE )))
509 ret = RtlEqualString( &upLeft, &upRight, FALSE );
510 RtlFreeOemString( &upRight );
512 RtlFreeOemString( &upLeft );
518 /**************************************************************************
519 * RtlEqualDomainName (NTDLL.@)
521 * Determine if two domain names are the same.
524 * left [I] First domain name
525 * right [I] Second domain name
528 * 0 if the names are equal, non-zero otherwise.
531 * The comparason is case insensitive.
533 NTSTATUS WINAPI RtlEqualDomainName(const UNICODE_STRING *left,
534 const UNICODE_STRING *right)
536 return RtlEqualComputerName(left, right);
541 COPY BETWEEN ANSI_STRING or UNICODE_STRING
542 there is no parameter checking, it just crashes
546 /**************************************************************************
547 * RtlAnsiStringToUnicodeString (NTDLL.@)
549 * Converts an ansi string to an unicode string.
552 * Success: STATUS_SUCCESS. uni contains the converted string
553 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and ansi is too small.
554 * STATUS_NO_MEMORY, if doalloc is TRUE and the allocation fails.
555 * STATUS_INVALID_PARAMETER_2, if the unicode string would be larger than 65535.
558 * This function always writes a terminating '\0'.
560 NTSTATUS WINAPI RtlAnsiStringToUnicodeString(
561 PUNICODE_STRING uni, /* [I/O] Destination for the unicode string */
562 PCANSI_STRING ansi, /* [I] Ansi string to be converted */
563 BOOLEAN doalloc) /* [I] TRUE=Allocate new buffer for uni, FALSE=Use existing buffer */
565 DWORD total = RtlAnsiStringToUnicodeSize( ansi );
567 if (total > 0xffff) return STATUS_INVALID_PARAMETER_2;
568 uni->Length = total - sizeof(WCHAR);
571 uni->MaximumLength = total;
572 if (!(uni->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, total )))
573 return STATUS_NO_MEMORY;
575 else if (total > uni->MaximumLength) return STATUS_BUFFER_OVERFLOW;
577 RtlMultiByteToUnicodeN( uni->Buffer, uni->Length, NULL, ansi->Buffer, ansi->Length );
578 uni->Buffer[uni->Length / sizeof(WCHAR)] = 0;
579 return STATUS_SUCCESS;
583 /**************************************************************************
584 * RtlOemStringToUnicodeString (NTDLL.@)
586 * Converts an oem string to an unicode string.
589 * Success: STATUS_SUCCESS. uni contains the converted string
590 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and oem is too small.
591 * STATUS_NO_MEMORY, if doalloc is TRUE and the allocation fails.
592 * STATUS_INVALID_PARAMETER_2, if the unicode string would be larger than 65535.
595 * This function always writes a terminating '\0'.
597 NTSTATUS WINAPI RtlOemStringToUnicodeString(
598 UNICODE_STRING *uni, /* [I/O] Destination for the unicode string */
599 const STRING *oem, /* [I] Oem string to be converted */
600 BOOLEAN doalloc) /* [I] TRUE=Allocate new buffer for uni, FALSE=Use existing buffer */
602 DWORD total = RtlOemStringToUnicodeSize( oem );
604 if (total > 0xffff) return STATUS_INVALID_PARAMETER_2;
605 uni->Length = total - sizeof(WCHAR);
608 uni->MaximumLength = total;
609 if (!(uni->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, total )))
610 return STATUS_NO_MEMORY;
612 else if (total > uni->MaximumLength) return STATUS_BUFFER_OVERFLOW;
614 RtlOemToUnicodeN( uni->Buffer, uni->Length, NULL, oem->Buffer, oem->Length );
615 uni->Buffer[uni->Length / sizeof(WCHAR)] = 0;
616 return STATUS_SUCCESS;
620 /**************************************************************************
621 * RtlUnicodeStringToAnsiString (NTDLL.@)
623 * Converts an unicode string to an ansi string.
626 * Success: STATUS_SUCCESS. ansi contains the converted string
627 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and ansi is too small.
628 * STATUS_NO_MEMORY, if doalloc is TRUE and the allocation fails.
631 * This function always writes a terminating '\0'.
632 * It performs a partial copy if ansi is too small.
634 NTSTATUS WINAPI RtlUnicodeStringToAnsiString(
635 STRING *ansi, /* [I/O] Destination for the ansi string */
636 const UNICODE_STRING *uni, /* [I] Unicode string to be converted */
637 BOOLEAN doalloc) /* [I] TRUE=Allocate new buffer for ansi, FALSE=Use existing buffer */
639 NTSTATUS ret = STATUS_SUCCESS;
640 DWORD len = RtlUnicodeStringToAnsiSize( uni );
642 ansi->Length = len - 1;
645 ansi->MaximumLength = len;
646 if (!(ansi->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, len )))
647 return STATUS_NO_MEMORY;
649 else if (ansi->MaximumLength < len)
651 if (!ansi->MaximumLength) return STATUS_BUFFER_OVERFLOW;
652 ansi->Length = ansi->MaximumLength - 1;
653 ret = STATUS_BUFFER_OVERFLOW;
656 RtlUnicodeToMultiByteN( ansi->Buffer, ansi->Length, NULL, uni->Buffer, uni->Length );
657 ansi->Buffer[ansi->Length] = 0;
662 /**************************************************************************
663 * RtlUnicodeStringToOemString (NTDLL.@)
665 * Converts a Rtl Unicode string to an OEM string.
668 * oem [O] Destination for OEM string
669 * uni [I] Source Unicode string
670 * doalloc [I] TRUE=Allocate new buffer for oem,FALSE=Use existing buffer
673 * Success: STATUS_SUCCESS. oem contains the converted string
674 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and oem is too small.
675 * STATUS_NO_MEMORY, if doalloc is TRUE and allocation fails.
678 * If doalloc is TRUE, the length allocated is uni->Length + 1.
679 * This function always '\0' terminates the string returned.
681 NTSTATUS WINAPI RtlUnicodeStringToOemString( STRING *oem,
682 const UNICODE_STRING *uni,
685 NTSTATUS ret = STATUS_SUCCESS;
686 DWORD len = RtlUnicodeStringToOemSize( uni );
688 oem->Length = len - 1;
691 oem->MaximumLength = len;
692 if (!(oem->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, len )))
693 return STATUS_NO_MEMORY;
695 else if (oem->MaximumLength < len)
697 if (!oem->MaximumLength) return STATUS_BUFFER_OVERFLOW;
698 oem->Length = oem->MaximumLength - 1;
699 ret = STATUS_BUFFER_OVERFLOW;
702 RtlUnicodeToOemN( oem->Buffer, oem->Length, NULL, uni->Buffer, uni->Length );
703 oem->Buffer[oem->Length] = 0;
708 /**************************************************************************
709 * RtlMultiByteToUnicodeN (NTDLL.@)
712 * Performs a partial copy if dst is too small.
714 NTSTATUS WINAPI RtlMultiByteToUnicodeN( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
715 LPCSTR src, DWORD srclen )
718 int ret = wine_cp_mbstowcs( get_ansi_table(), 0, src, srclen, dst, dstlen/sizeof(WCHAR) );
720 *reslen = (ret >= 0) ? ret*sizeof(WCHAR) : dstlen; /* overflow -> we filled up to dstlen */
721 return STATUS_SUCCESS;
725 /**************************************************************************
726 * RtlOemToUnicodeN (NTDLL.@)
728 NTSTATUS WINAPI RtlOemToUnicodeN( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
729 LPCSTR src, DWORD srclen )
731 int ret = wine_cp_mbstowcs( get_oem_table(), 0, src, srclen, dst, dstlen/sizeof(WCHAR) );
733 *reslen = (ret >= 0) ? ret*sizeof(WCHAR) : dstlen; /* overflow -> we filled up to dstlen */
734 return STATUS_SUCCESS;
738 /**************************************************************************
739 * RtlUnicodeToMultiByteN (NTDLL.@)
741 NTSTATUS WINAPI RtlUnicodeToMultiByteN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
742 LPCWSTR src, DWORD srclen )
744 int ret = wine_cp_wcstombs( get_ansi_table(), 0, src, srclen / sizeof(WCHAR),
745 dst, dstlen, NULL, NULL );
747 *reslen = (ret >= 0) ? ret : dstlen; /* overflow -> we filled up to dstlen */
748 return STATUS_SUCCESS;
752 /**************************************************************************
753 * RtlUnicodeToOemN (NTDLL.@)
755 NTSTATUS WINAPI RtlUnicodeToOemN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
756 LPCWSTR src, DWORD srclen )
758 int ret = wine_cp_wcstombs( get_oem_table(), 0, src, srclen / sizeof(WCHAR),
759 dst, dstlen, NULL, NULL );
761 *reslen = (ret >= 0) ? ret : dstlen; /* overflow -> we filled up to dstlen */
762 return STATUS_SUCCESS;
771 /**************************************************************************
772 * RtlUpperChar (NTDLL.@)
774 * Converts an Ascii character to uppercase.
777 * ch [I] Character to convert
780 * The uppercase character value.
783 * For the input characters from 'a' .. 'z' it returns 'A' .. 'Z'.
784 * All other input characters are returned unchanged. The locale and
785 * multibyte characters are not taken into account (as native DLL).
787 CHAR WINAPI RtlUpperChar( CHAR ch )
789 if (ch >= 'a' && ch <= 'z') {
790 return ch - 'a' + 'A';
797 /**************************************************************************
798 * RtlUpperString (NTDLL.@)
800 * Converts an Ascii string to uppercase.
803 * dst [O] Destination for converted string
804 * src [I] Source string to convert
810 * For the src characters from 'a' .. 'z' it assigns 'A' .. 'Z' to dst.
811 * All other src characters are copied unchanged to dst. The locale and
812 * multibyte characters are not taken into account (as native DLL).
813 * The number of character copied is the minimum of src->Length and
814 * the dst->MaximumLength.
816 void WINAPI RtlUpperString( STRING *dst, const STRING *src )
818 unsigned int i, len = min(src->Length, dst->MaximumLength);
820 for (i = 0; i < len; i++) dst->Buffer[i] = RtlUpperChar(src->Buffer[i]);
825 /**************************************************************************
826 * RtlUpcaseUnicodeChar (NTDLL.@)
828 * Converts an Unicode character to uppercase.
831 * wch [I] Character to convert
834 * The uppercase character value.
836 WCHAR WINAPI RtlUpcaseUnicodeChar( WCHAR wch )
838 return toupperW(wch);
842 /**************************************************************************
843 * RtlDowncaseUnicodeChar (NTDLL.@)
845 * Converts an Unicode character to lowercase.
848 * wch [I] Character to convert
851 * The lowercase character value.
853 WCHAR WINAPI RtlDowncaseUnicodeChar(WCHAR wch)
855 return tolowerW(wch);
859 /**************************************************************************
860 * RtlUpcaseUnicodeString (NTDLL.@)
862 * Converts an Unicode string to uppercase.
865 * dest [O] Destination for converted string
866 * src [I] Source string to convert
867 * doalloc [I] TRUE=Allocate a buffer for dest if it doesn't have one
870 * Success: STATUS_SUCCESS. dest contains the converted string.
871 * Failure: STATUS_NO_MEMORY, if doalloc is TRUE and memory allocation fails, or
872 * STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and dest is too small.
875 * dest is never '\0' terminated because it may be equal to src, and src
876 * might not be '\0' terminated. dest->Length is only set upon success.
878 NTSTATUS WINAPI RtlUpcaseUnicodeString( UNICODE_STRING *dest,
879 const UNICODE_STRING *src,
882 DWORD i, len = src->Length;
886 dest->MaximumLength = len;
887 if (!(dest->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, len )))
888 return STATUS_NO_MEMORY;
890 else if (len > dest->MaximumLength) return STATUS_BUFFER_OVERFLOW;
892 for (i = 0; i < len/sizeof(WCHAR); i++) dest->Buffer[i] = toupperW(src->Buffer[i]);
894 return STATUS_SUCCESS;
898 /**************************************************************************
899 * RtlDowncaseUnicodeString (NTDLL.@)
901 * Converts an Unicode string to lowercase.
904 * dest [O] Destination for converted string
905 * src [I] Source string to convert
906 * doalloc [I] TRUE=Allocate a buffer for dest if it doesn't have one
909 * Success: STATUS_SUCCESS. dest contains the converted string.
910 * Failure: STATUS_NO_MEMORY, if doalloc is TRUE and memory allocation fails, or
911 * STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and dest is too small.
914 * dest is never '\0' terminated because it may be equal to src, and src
915 * might not be '\0' terminated. dest->Length is only set upon success.
917 NTSTATUS WINAPI RtlDowncaseUnicodeString(
918 UNICODE_STRING *dest,
919 const UNICODE_STRING *src,
923 DWORD len = src->Length;
926 dest->MaximumLength = len;
927 if (!(dest->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, len ))) {
928 return STATUS_NO_MEMORY;
930 } else if (len > dest->MaximumLength) {
931 return STATUS_BUFFER_OVERFLOW;
934 for (i = 0; i < len/sizeof(WCHAR); i++) {
935 dest->Buffer[i] = tolowerW(src->Buffer[i]);
938 return STATUS_SUCCESS;
942 /**************************************************************************
943 * RtlUpcaseUnicodeStringToAnsiString (NTDLL.@)
946 * writes terminating 0
948 NTSTATUS WINAPI RtlUpcaseUnicodeStringToAnsiString( STRING *dst,
949 const UNICODE_STRING *src,
953 UNICODE_STRING upcase;
955 if (!(ret = RtlUpcaseUnicodeString( &upcase, src, TRUE )))
957 ret = RtlUnicodeStringToAnsiString( dst, &upcase, doalloc );
958 RtlFreeUnicodeString( &upcase );
964 /**************************************************************************
965 * RtlUpcaseUnicodeStringToOemString (NTDLL.@)
968 * writes terminating 0
970 NTSTATUS WINAPI RtlUpcaseUnicodeStringToOemString( STRING *dst,
971 const UNICODE_STRING *src,
975 UNICODE_STRING upcase;
977 if (!(ret = RtlUpcaseUnicodeString( &upcase, src, TRUE )))
979 ret = RtlUnicodeStringToOemString( dst, &upcase, doalloc );
980 RtlFreeUnicodeString( &upcase );
986 /**************************************************************************
987 * RtlUpcaseUnicodeStringToCountedOemString (NTDLL.@)
990 * Same as RtlUpcaseUnicodeStringToOemString but doesn't write terminating null
992 NTSTATUS WINAPI RtlUpcaseUnicodeStringToCountedOemString( STRING *oem,
993 const UNICODE_STRING *uni,
997 UNICODE_STRING upcase;
999 if (!(ret = RtlUpcaseUnicodeString( &upcase, uni, TRUE )))
1001 DWORD len = RtlUnicodeStringToOemSize( &upcase ) - 1;
1005 oem->MaximumLength = len;
1006 if (!(oem->Buffer = RtlAllocateHeap( ntdll_get_process_heap(), 0, len )))
1008 ret = STATUS_NO_MEMORY;
1012 else if (oem->MaximumLength < len)
1014 ret = STATUS_BUFFER_OVERFLOW;
1015 oem->Length = oem->MaximumLength;
1016 if (!oem->MaximumLength) goto done;
1018 RtlUnicodeToOemN( oem->Buffer, oem->Length, NULL, upcase.Buffer, upcase.Length );
1020 RtlFreeUnicodeString( &upcase );
1026 /**************************************************************************
1027 * RtlUpcaseUnicodeToMultiByteN (NTDLL.@)
1029 NTSTATUS WINAPI RtlUpcaseUnicodeToMultiByteN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
1030 LPCWSTR src, DWORD srclen )
1036 if (!(upcase = RtlAllocateHeap( ntdll_get_process_heap(), 0, srclen ))) return STATUS_NO_MEMORY;
1037 for (i = 0; i < srclen/sizeof(WCHAR); i++) upcase[i] = toupperW(src[i]);
1038 ret = RtlUnicodeToMultiByteN( dst, dstlen, reslen, upcase, srclen );
1039 RtlFreeHeap( ntdll_get_process_heap(), 0, upcase );
1044 /**************************************************************************
1045 * RtlUpcaseUnicodeToOemN (NTDLL.@)
1047 NTSTATUS WINAPI RtlUpcaseUnicodeToOemN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
1048 LPCWSTR src, DWORD srclen )
1054 if (!(upcase = RtlAllocateHeap( ntdll_get_process_heap(), 0, srclen ))) return STATUS_NO_MEMORY;
1055 for (i = 0; i < srclen/sizeof(WCHAR); i++) upcase[i] = toupperW(src[i]);
1056 ret = RtlUnicodeToOemN( dst, dstlen, reslen, upcase, srclen );
1057 RtlFreeHeap( ntdll_get_process_heap(), 0, upcase );
1067 /**************************************************************************
1068 * RtlOemStringToUnicodeSize (NTDLL.@)
1069 * RtlxOemStringToUnicodeSize (NTDLL.@)
1071 * Calculate the size in bytes necessary for the Unicode conversion of str,
1072 * including the terminating '\0'.
1075 * str [I] String to calculate the size of
1078 * The calculated size.
1080 UINT WINAPI RtlOemStringToUnicodeSize( const STRING *str )
1082 int ret = wine_cp_mbstowcs( get_oem_table(), 0, str->Buffer, str->Length, NULL, 0 );
1083 return (ret + 1) * sizeof(WCHAR);
1087 /**************************************************************************
1088 * RtlAnsiStringToUnicodeSize (NTDLL.@)
1089 * RtlxAnsiStringToUnicodeSize (NTDLL.@)
1091 * Calculate the size in bytes necessary for the Unicode conversion of str,
1092 * including the terminating '\0'.
1095 * str [I] String to calculate the size of
1098 * The calculated size.
1100 DWORD WINAPI RtlAnsiStringToUnicodeSize( const STRING *str )
1103 RtlMultiByteToUnicodeSize( &ret, str->Buffer, str->Length );
1104 return ret + sizeof(WCHAR);
1108 /**************************************************************************
1109 * RtlMultiByteToUnicodeSize (NTDLL.@)
1111 * Compute the size in bytes necessary for the Unicode conversion of str,
1112 * without the terminating '\0'.
1115 * size [O] Destination for size
1116 * str [I] String to calculate the size of
1117 * len [I] Length of str
1122 NTSTATUS WINAPI RtlMultiByteToUnicodeSize( DWORD *size, LPCSTR str, UINT len )
1124 *size = wine_cp_mbstowcs( get_ansi_table(), 0, str, len, NULL, 0 ) * sizeof(WCHAR);
1125 return STATUS_SUCCESS;
1129 /**************************************************************************
1130 * RtlUnicodeToMultiByteSize (NTDLL.@)
1132 * Calculate the size in bytes necessary for the multibyte conversion of str,
1133 * without the terminating '\0'.
1136 * size [O] Destination for size
1137 * str [I] String to calculate the size of
1138 * len [I] Length of str
1143 NTSTATUS WINAPI RtlUnicodeToMultiByteSize( PULONG size, LPCWSTR str, ULONG len )
1145 *size = wine_cp_wcstombs( get_ansi_table(), 0, str, len / sizeof(WCHAR), NULL, 0, NULL, NULL );
1146 return STATUS_SUCCESS;
1150 /**************************************************************************
1151 * RtlUnicodeStringToAnsiSize (NTDLL.@)
1152 * RtlxUnicodeStringToAnsiSize (NTDLL.@)
1154 * Calculate the size in bytes necessary for the Ansi conversion of str,
1155 * including the terminating '\0'.
1158 * str [I] String to calculate the size of
1161 * The calculated size.
1163 DWORD WINAPI RtlUnicodeStringToAnsiSize( const UNICODE_STRING *str )
1166 RtlUnicodeToMultiByteSize( &ret, str->Buffer, str->Length );
1171 /**************************************************************************
1172 * RtlUnicodeStringToOemSize (NTDLL.@)
1173 * RtlxUnicodeStringToOemSize (NTDLL.@)
1175 * Calculate the size in bytes necessary for the OEM conversion of str,
1176 * including the terminating '\0'.
1179 * str [I] String to calculate the size of
1182 * The calculated size.
1184 DWORD WINAPI RtlUnicodeStringToOemSize( const UNICODE_STRING *str )
1186 return wine_cp_wcstombs( get_oem_table(), 0, str->Buffer, str->Length / sizeof(WCHAR),
1187 NULL, 0, NULL, NULL ) + 1;
1191 /**************************************************************************
1192 * RtlAppendAsciizToString (NTDLL.@)
1194 * Concatenates a buffered character string and a '\0' terminated character
1198 * Success: STATUS_SUCCESS. src is appended to dest.
1199 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is to small
1200 * to hold the concatenated string.
1203 * if src is NULL dest is unchanged.
1204 * dest is never '\0' terminated.
1206 NTSTATUS WINAPI RtlAppendAsciizToString(
1207 STRING *dest, /* [I/O] Buffered character string to which src is concatenated */
1208 LPCSTR src) /* [I] '\0' terminated character string to be concatenated */
1211 unsigned int src_len = strlen(src);
1212 unsigned int dest_len = src_len + dest->Length;
1214 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1215 memcpy(dest->Buffer + dest->Length, src, src_len);
1216 dest->Length = dest_len;
1218 return STATUS_SUCCESS;
1222 /**************************************************************************
1223 * RtlAppendStringToString (NTDLL.@)
1225 * Concatenates two buffered character strings
1228 * Success: STATUS_SUCCESS. src is appended to dest.
1229 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is to small
1230 * to hold the concatenated string.
1233 * if src->length is zero dest is unchanged.
1234 * dest is never '\0' terminated.
1236 NTSTATUS WINAPI RtlAppendStringToString(
1237 STRING *dest, /* [I/O] Buffered character string to which src is concatenated */
1238 const STRING *src) /* [I] Buffered character string to be concatenated */
1240 if (src->Length != 0) {
1241 unsigned int dest_len = src->Length + dest->Length;
1243 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1244 memcpy(dest->Buffer + dest->Length, src->Buffer, src->Length);
1245 dest->Length = dest_len;
1247 return STATUS_SUCCESS;
1251 /**************************************************************************
1252 * RtlAppendUnicodeToString (NTDLL.@)
1254 * Concatenates an buffered unicode string and a '\0' terminated unicode
1258 * Success: STATUS_SUCCESS. src is appended to dest.
1259 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is to small
1260 * to hold the concatenated string.
1263 * if src is NULL dest is unchanged.
1264 * dest is '\0' terminated when the MaximumLength allowes it.
1265 * When dest fits exactly in MaximumLength characters the '\0' is ommitted.
1268 * Does not write in the src->Buffer beyond MaximumLength when
1269 * MaximumLength is odd as the native function does.
1271 NTSTATUS WINAPI RtlAppendUnicodeToString(
1272 UNICODE_STRING *dest, /* [I/O] Buffered unicode string to which src is concatenated */
1273 LPCWSTR src) /* [I] '\0' terminated unicode string to be concatenated */
1276 unsigned int src_len = strlenW(src) * sizeof(WCHAR);
1277 unsigned int dest_len = src_len + dest->Length;
1279 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1280 memcpy(dest->Buffer + dest->Length/sizeof(WCHAR), src, src_len);
1281 dest->Length = dest_len;
1282 /* append terminating '\0' if enough space */
1283 if (dest_len + sizeof(WCHAR) <= dest->MaximumLength) {
1284 dest->Buffer[dest_len / sizeof(WCHAR)] = 0;
1287 return STATUS_SUCCESS;
1291 /**************************************************************************
1292 * RtlAppendUnicodeStringToString (NTDLL.@)
1294 * Concatenates two buffered unicode strings
1297 * Success: STATUS_SUCCESS. src is appended to dest.
1298 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is to small
1299 * to hold the concatenated string.
1302 * if src->length is zero dest is unchanged.
1303 * dest is '\0' terminated when the MaximumLength allowes it.
1304 * When dest fits exactly in MaximumLength characters the '\0' is ommitted.
1307 * Does not write in the src->Buffer beyond MaximumLength when
1308 * MaximumLength is odd as the native function does.
1310 NTSTATUS WINAPI RtlAppendUnicodeStringToString(
1311 UNICODE_STRING *dest, /* [I/O] Buffered unicode string to which src is concatenated */
1312 const UNICODE_STRING *src) /* [I] Buffered unicode string to be concatenated */
1314 if (src->Length != 0) {
1315 unsigned int dest_len = src->Length + dest->Length;
1317 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1318 memcpy(dest->Buffer + dest->Length/sizeof(WCHAR), src->Buffer, src->Length);
1319 dest->Length = dest_len;
1320 /* append terminating '\0' if enough space */
1321 if (dest_len + sizeof(WCHAR) <= dest->MaximumLength) {
1322 dest->Buffer[dest_len / sizeof(WCHAR)] = 0;
1325 return STATUS_SUCCESS;
1329 /**************************************************************************
1330 * RtlFindCharInUnicodeString (NTDLL.@)
1332 * Searches for one of several unicode characters in an unicode string.
1335 * Success: STATUS_SUCCESS. pos contains the position after the character found.
1336 * Failure: STATUS_NOT_FOUND, if none of the search_chars are in main_str.
1338 NTSTATUS WINAPI RtlFindCharInUnicodeString(
1339 int flags, /* [I] Flags */
1340 const UNICODE_STRING *main_str, /* [I] Unicode string in which one or more characters are searched */
1341 const UNICODE_STRING *search_chars, /* [I] Unicode string which contains the characters to search for */
1342 USHORT *pos) /* [O] Position of the first character found + 2 */
1345 unsigned int search_idx;
1349 for (main_idx = 0; main_idx < main_str->Length / sizeof(WCHAR); main_idx++) {
1350 for (search_idx = 0; search_idx < search_chars->Length / sizeof(WCHAR); search_idx++) {
1351 if (main_str->Buffer[main_idx] == search_chars->Buffer[search_idx]) {
1352 *pos = (main_idx + 1) * sizeof(WCHAR);
1353 return STATUS_SUCCESS;
1358 return STATUS_NOT_FOUND;
1360 for (main_idx = main_str->Length / sizeof(WCHAR) - 1; main_idx >= 0; main_idx--) {
1361 for (search_idx = 0; search_idx < search_chars->Length / sizeof(WCHAR); search_idx++) {
1362 if (main_str->Buffer[main_idx] == search_chars->Buffer[search_idx]) {
1363 *pos = main_idx * sizeof(WCHAR);
1364 return STATUS_SUCCESS;
1369 return STATUS_NOT_FOUND;
1371 for (main_idx = 0; main_idx < main_str->Length / sizeof(WCHAR); main_idx++) {
1373 while (search_idx < search_chars->Length / sizeof(WCHAR) &&
1374 main_str->Buffer[main_idx] != search_chars->Buffer[search_idx]) {
1377 if (search_idx >= search_chars->Length / sizeof(WCHAR)) {
1378 *pos = (main_idx + 1) * sizeof(WCHAR);
1379 return STATUS_SUCCESS;
1383 return STATUS_NOT_FOUND;
1385 for (main_idx = main_str->Length / sizeof(WCHAR) - 1; main_idx >= 0; main_idx--) {
1387 while (search_idx < search_chars->Length / sizeof(WCHAR) &&
1388 main_str->Buffer[main_idx] != search_chars->Buffer[search_idx]) {
1391 if (search_idx >= search_chars->Length / sizeof(WCHAR)) {
1392 *pos = main_idx * sizeof(WCHAR);
1393 return STATUS_SUCCESS;
1397 return STATUS_NOT_FOUND;
1399 return STATUS_NOT_FOUND;
1408 /**************************************************************************
1409 * RtlIsTextUnicode (NTDLL.@)
1411 * Attempt to guess whether a text buffer is Unicode.
1414 * buf [I] Text buffer to test
1415 * len [I] Length of buf
1416 * pf [O] Destination for test results
1419 * The length of the string if all tests were passed, 0 otherwise.
1422 * Should implement more tests.
1424 DWORD WINAPI RtlIsTextUnicode(
1430 DWORD flags = -1, out_flags = 0;
1437 * Apply various tests to the text string. According to the
1438 * docs, each test "passed" sets the corresponding flag in
1439 * the output flags. But some of the tests are mutually
1440 * exclusive, so I don't see how you could pass all tests ...
1443 /* Check for an odd length ... pass if even. */
1445 out_flags |= IS_TEXT_UNICODE_ODD_LENGTH;
1447 /* Check for the special unicode marker byte. */
1449 out_flags |= IS_TEXT_UNICODE_SIGNATURE;
1452 * Check whether the string passed all of the tests.
1454 flags &= ITU_IMPLEMENTED_TESTS;
1455 if ((out_flags & flags) != flags)
1464 /**************************************************************************
1465 * RtlCharToInteger (NTDLL.@)
1467 * Converts a character string into its integer equivalent.
1470 * Success: STATUS_SUCCESS. value contains the converted number
1471 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1472 * STATUS_ACCESS_VIOLATION, if value is NULL.
1475 * For base 0 it uses 10 as base and the string should be in the format
1476 * "{whitespace} [+|-] [0[x|o|b]] {digits}".
1477 * For other bases the string should be in the format
1478 * "{whitespace} [+|-] {digits}".
1479 * No check is made for value overflow, only the lower 32 bits are assigned.
1480 * If str is NULL it crashes, as the native function does.
1483 * This function does not read garbage behind '\0' as the native version does.
1485 NTSTATUS WINAPI RtlCharToInteger(
1486 PCSZ str, /* [I] '\0' terminated single-byte string containing a number */
1487 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1488 ULONG *value) /* [O] Destination for the converted value */
1492 ULONG RunningTotal = 0;
1495 while (*str != '\0' && *str <= ' ') {
1501 } else if (*str == '-') {
1508 if (str[0] == '0') {
1509 if (str[1] == 'b') {
1512 } else if (str[1] == 'o') {
1515 } else if (str[1] == 'x') {
1520 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1521 return STATUS_INVALID_PARAMETER;
1524 if (value == NULL) {
1525 return STATUS_ACCESS_VIOLATION;
1528 while (*str != '\0') {
1530 if (chCurrent >= '0' && chCurrent <= '9') {
1531 digit = chCurrent - '0';
1532 } else if (chCurrent >= 'A' && chCurrent <= 'Z') {
1533 digit = chCurrent - 'A' + 10;
1534 } else if (chCurrent >= 'a' && chCurrent <= 'z') {
1535 digit = chCurrent - 'a' + 10;
1539 if (digit < 0 || digit >= base) {
1540 *value = bMinus ? -RunningTotal : RunningTotal;
1541 return STATUS_SUCCESS;
1544 RunningTotal = RunningTotal * base + digit;
1548 *value = bMinus ? -RunningTotal : RunningTotal;
1549 return STATUS_SUCCESS;
1553 /**************************************************************************
1554 * RtlIntegerToChar (NTDLL.@)
1556 * Converts an unsigned integer to a character string.
1559 * Success: STATUS_SUCCESS. str contains the converted number
1560 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1561 * STATUS_BUFFER_OVERFLOW, if str would be larger than length.
1562 * STATUS_ACCESS_VIOLATION, if str is NULL.
1565 * Instead of base 0 it uses 10 as base.
1566 * Writes at most length characters to the string str.
1567 * Str is '\0' terminated when length allowes it.
1568 * When str fits exactly in length characters the '\0' is ommitted.
1570 NTSTATUS WINAPI RtlIntegerToChar(
1571 ULONG value, /* [I] Value to be converted */
1572 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1573 ULONG length, /* [I] Length of the str buffer in bytes */
1574 PCHAR str) /* [O] Destination for the converted value */
1583 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1584 return STATUS_INVALID_PARAMETER;
1592 digit = value % base;
1593 value = value / base;
1597 *pos = 'A' + digit - 10;
1599 } while (value != 0L);
1601 len = &buffer[32] - pos;
1603 return STATUS_BUFFER_OVERFLOW;
1604 } else if (str == NULL) {
1605 return STATUS_ACCESS_VIOLATION;
1606 } else if (len == length) {
1607 memcpy(str, pos, len);
1609 memcpy(str, pos, len + 1);
1611 return STATUS_SUCCESS;
1615 /**************************************************************************
1616 * RtlUnicodeStringToInteger (NTDLL.@)
1618 * Converts an unicode string into its integer equivalent.
1621 * Success: STATUS_SUCCESS. value contains the converted number
1622 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1623 * STATUS_ACCESS_VIOLATION, if value is NULL.
1626 * For base 0 it uses 10 as base and the string should be in the format
1627 * "{whitespace} [+|-] [0[x|o|b]] {digits}".
1628 * For other bases the string should be in the format
1629 * "{whitespace} [+|-] {digits}".
1630 * No check is made for value overflow, only the lower 32 bits are assigned.
1631 * If str is NULL it crashes, as the native function does.
1634 * This function does not read garbage on string length 0 as the native
1637 NTSTATUS WINAPI RtlUnicodeStringToInteger(
1638 const UNICODE_STRING *str, /* [I] Unicode string to be converted */
1639 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1640 ULONG *value) /* [O] Destination for the converted value */
1642 LPWSTR lpwstr = str->Buffer;
1643 USHORT CharsRemaining = str->Length / sizeof(WCHAR);
1646 ULONG RunningTotal = 0;
1649 while (CharsRemaining >= 1 && *lpwstr <= ' ') {
1654 if (CharsRemaining >= 1) {
1655 if (*lpwstr == '+') {
1658 } else if (*lpwstr == '-') {
1667 if (CharsRemaining >= 2 && lpwstr[0] == '0') {
1668 if (lpwstr[1] == 'b') {
1670 CharsRemaining -= 2;
1672 } else if (lpwstr[1] == 'o') {
1674 CharsRemaining -= 2;
1676 } else if (lpwstr[1] == 'x') {
1678 CharsRemaining -= 2;
1682 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1683 return STATUS_INVALID_PARAMETER;
1686 if (value == NULL) {
1687 return STATUS_ACCESS_VIOLATION;
1690 while (CharsRemaining >= 1) {
1691 wchCurrent = *lpwstr;
1692 if (wchCurrent >= '0' && wchCurrent <= '9') {
1693 digit = wchCurrent - '0';
1694 } else if (wchCurrent >= 'A' && wchCurrent <= 'Z') {
1695 digit = wchCurrent - 'A' + 10;
1696 } else if (wchCurrent >= 'a' && wchCurrent <= 'z') {
1697 digit = wchCurrent - 'a' + 10;
1701 if (digit < 0 || digit >= base) {
1702 *value = bMinus ? -RunningTotal : RunningTotal;
1703 return STATUS_SUCCESS;
1706 RunningTotal = RunningTotal * base + digit;
1711 *value = bMinus ? -RunningTotal : RunningTotal;
1712 return STATUS_SUCCESS;
1716 /**************************************************************************
1717 * RtlIntegerToUnicodeString (NTDLL.@)
1719 * Converts an unsigned integer to a '\0' terminated unicode string.
1722 * Success: STATUS_SUCCESS. str contains the converted number
1723 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1724 * STATUS_BUFFER_OVERFLOW, if str is too small to hold the string
1725 * (with the '\0' termination). In this case str->Length
1726 * is set to the length, the string would have (which can
1727 * be larger than the MaximumLength).
1730 * Instead of base 0 it uses 10 as base.
1731 * If str is NULL it crashes, as the native function does.
1734 * Do not return STATUS_BUFFER_OVERFLOW when the string is long enough.
1735 * The native function does this when the string would be longer than 16
1736 * characters even when the string parameter is long enough.
1738 NTSTATUS WINAPI RtlIntegerToUnicodeString(
1739 ULONG value, /* [I] Value to be converted */
1740 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1741 UNICODE_STRING *str) /* [O] Destination for the converted value */
1749 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1750 return STATUS_INVALID_PARAMETER;
1758 digit = value % base;
1759 value = value / base;
1763 *pos = 'A' + digit - 10;
1765 } while (value != 0L);
1767 str->Length = (&buffer[32] - pos) * sizeof(WCHAR);
1768 if (str->Length >= str->MaximumLength) {
1769 return STATUS_BUFFER_OVERFLOW;
1771 memcpy(str->Buffer, pos, str->Length + sizeof(WCHAR));
1773 return STATUS_SUCCESS;