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
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
36 #include "ntdll_misc.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
40 #define GUID_STRING_LENGTH 38
42 UINT NlsAnsiCodePage = 0;
43 BYTE NlsMbCodePageTag = 0;
44 BYTE NlsMbOemCodePageTag = 0;
46 static const union cptable *ansi_table;
47 static const union cptable *oem_table;
48 static const union cptable* unix_table; /* NULL if UTF8 */
51 /**************************************************************************
52 * __wine_init_codepages (NTDLL.@)
54 * Set the code page once kernel32 is loaded. Should be done differently.
56 void __wine_init_codepages( const union cptable *ansi, const union cptable *oem,
57 const union cptable *ucp)
62 NlsAnsiCodePage = ansi->info.codepage;
65 int ntdll_umbstowcs(DWORD flags, const char* src, int srclen, WCHAR* dst, int dstlen)
68 wine_cp_mbstowcs( unix_table, flags, src, srclen, dst, dstlen ) :
69 wine_utf8_mbstowcs( flags, src, srclen, dst, dstlen );
72 int ntdll_wcstoumbs(DWORD flags, const WCHAR* src, int srclen, char* dst, int dstlen,
73 const char* defchar, int *used )
76 return wine_cp_wcstombs( unix_table, flags, src, srclen, dst, dstlen, defchar, used );
77 if (used) *used = 0; /* all chars are valid for UTF-8 */
78 return wine_utf8_wcstombs( src, srclen, dst, dstlen );
81 /**************************************************************************
82 * RtlInitAnsiString (NTDLL.@)
84 * Initializes a buffered ansi string.
90 * Assigns source to target->Buffer. The length of source is assigned to
91 * target->Length and target->MaximumLength. If source is NULL the length
92 * of source is assumed to be 0.
94 void WINAPI RtlInitAnsiString(
95 PANSI_STRING target, /* [I/O] Buffered ansi string to be initialized */
96 PCSZ source) /* [I] '\0' terminated string used to initialize target */
98 if ((target->Buffer = (PCHAR) source))
100 target->Length = strlen(source);
101 target->MaximumLength = target->Length + 1;
103 else target->Length = target->MaximumLength = 0;
107 /**************************************************************************
108 * RtlInitString (NTDLL.@)
110 * Initializes a buffered string.
116 * Assigns source to target->Buffer. The length of source is assigned to
117 * target->Length and target->MaximumLength. If source is NULL the length
118 * of source is assumed to be 0.
120 void WINAPI RtlInitString(
121 PSTRING target, /* [I/O] Buffered string to be initialized */
122 PCSZ source) /* [I] '\0' terminated string used to initialize target */
124 RtlInitAnsiString( target, source );
128 /**************************************************************************
129 * RtlFreeAnsiString (NTDLL.@)
131 void WINAPI RtlFreeAnsiString( PSTRING str )
133 if (str->Buffer) RtlFreeHeap( GetProcessHeap(), 0, str->Buffer );
137 /**************************************************************************
138 * RtlFreeOemString (NTDLL.@)
140 void WINAPI RtlFreeOemString( PSTRING str )
142 RtlFreeAnsiString( str );
146 /**************************************************************************
147 * RtlCopyString (NTDLL.@)
149 void WINAPI RtlCopyString( STRING *dst, const STRING *src )
153 unsigned int len = min( src->Length, dst->MaximumLength );
154 memcpy( dst->Buffer, src->Buffer, len );
157 else dst->Length = 0;
161 /**************************************************************************
162 * RtlInitUnicodeString (NTDLL.@)
164 * Initializes a buffered unicode string.
170 * Assigns source to target->Buffer. The length of source is assigned to
171 * target->Length and target->MaximumLength. If source is NULL the length
172 * of source is assumed to be 0.
174 void WINAPI RtlInitUnicodeString(
175 PUNICODE_STRING target, /* [I/O] Buffered unicode string to be initialized */
176 PCWSTR source) /* [I] '\0' terminated unicode string used to initialize target */
178 if ((target->Buffer = (PWSTR) source))
180 target->Length = strlenW(source) * sizeof(WCHAR);
181 target->MaximumLength = target->Length + sizeof(WCHAR);
183 else target->Length = target->MaximumLength = 0;
187 /**************************************************************************
188 * RtlInitUnicodeStringEx (NTDLL.@)
190 * Initializes a buffered unicode string.
193 * Success: STATUS_SUCCESS. target is initialized.
194 * Failure: STATUS_NAME_TOO_LONG, if the source string is larger than 65532 bytes.
197 * Assigns source to target->Buffer. The length of source is assigned to
198 * target->Length and target->MaximumLength. If source is NULL the length
199 * of source is assumed to be 0.
201 NTSTATUS WINAPI RtlInitUnicodeStringEx(
202 PUNICODE_STRING target, /* [I/O] Buffered unicode string to be initialized */
203 PCWSTR source) /* [I] '\0' terminated unicode string used to initialize target */
205 if (source != NULL) {
206 unsigned int len = strlenW(source) * sizeof(WCHAR);
209 return STATUS_NAME_TOO_LONG;
211 target->Length = len;
212 target->MaximumLength = len + sizeof(WCHAR);
213 target->Buffer = (PWSTR) source;
217 target->MaximumLength = 0;
218 target->Buffer = NULL;
220 return STATUS_SUCCESS;
224 /**************************************************************************
225 * RtlCreateUnicodeString (NTDLL.@)
227 * Creates a UNICODE_STRING from a null-terminated Unicode string.
233 BOOLEAN WINAPI RtlCreateUnicodeString( PUNICODE_STRING target, LPCWSTR src )
235 int len = (strlenW(src) + 1) * sizeof(WCHAR);
236 if (!(target->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len ))) return FALSE;
237 memcpy( target->Buffer, src, len );
238 target->MaximumLength = len;
239 target->Length = len - sizeof(WCHAR);
244 /**************************************************************************
245 * RtlCreateUnicodeStringFromAsciiz (NTDLL.@)
247 * Creates a UNICODE_STRING from a null-terminated Ascii string.
253 BOOLEAN WINAPI RtlCreateUnicodeStringFromAsciiz( PUNICODE_STRING target, LPCSTR src )
256 RtlInitAnsiString( &ansi, src );
257 return !RtlAnsiStringToUnicodeString( target, &ansi, TRUE );
261 /**************************************************************************
262 * RtlFreeUnicodeString (NTDLL.@)
264 * Frees a UNICODE_STRING created with RtlCreateUnicodeString() or
265 * RtlCreateUnicodeStringFromAsciiz().
270 void WINAPI RtlFreeUnicodeString( PUNICODE_STRING str )
272 if (str->Buffer) RtlFreeHeap( GetProcessHeap(), 0, str->Buffer );
276 /**************************************************************************
277 * RtlCopyUnicodeString (NTDLL.@)
279 * Copies from one UNICODE_STRING to another.
284 void WINAPI RtlCopyUnicodeString( UNICODE_STRING *dst, const UNICODE_STRING *src )
288 unsigned int len = min( src->Length, dst->MaximumLength );
289 memcpy( dst->Buffer, src->Buffer, len );
291 /* append terminating '\0' if enough space */
292 if (len < dst->MaximumLength) dst->Buffer[len / sizeof(WCHAR)] = 0;
294 else dst->Length = 0;
298 /**************************************************************************
299 * RtlDuplicateUnicodeString (NTDLL.@)
301 * Duplicates an unicode string.
304 * Success: STATUS_SUCCESS. destination contains the duplicated unicode string.
305 * Failure: STATUS_INVALID_PARAMETER, if one of the parameters is illegal.
306 * STATUS_NO_MEMORY, if the allocation fails.
309 * For add_nul there are several possible values:
310 * 0 = destination will not be '\0' terminated,
311 * 1 = destination will be '\0' terminated,
312 * 3 = like 1 but for an empty source string produce '\0' terminated empty
313 * Buffer instead of assigning NULL to the Buffer.
314 * Other add_nul values are invalid.
316 NTSTATUS WINAPI RtlDuplicateUnicodeString(
317 int add_nul, /* [I] flag */
318 const UNICODE_STRING *source, /* [I] Unicode string to be duplicated */
319 UNICODE_STRING *destination) /* [O] destination for the duplicated unicode string */
321 if (source == NULL || destination == NULL ||
322 source->Length > source->MaximumLength ||
323 (source->Length == 0 && source->MaximumLength > 0 && source->Buffer == NULL) ||
324 add_nul == 2 || add_nul >= 4 || add_nul < 0) {
325 return STATUS_INVALID_PARAMETER;
327 if (source->Length == 0 && add_nul != 3) {
328 destination->Length = 0;
329 destination->MaximumLength = 0;
330 destination->Buffer = NULL;
332 unsigned int destination_max_len = source->Length;
335 destination_max_len += sizeof(WCHAR);
337 destination->Buffer = RtlAllocateHeap(GetProcessHeap(), 0, destination_max_len);
338 if (destination->Buffer == NULL) {
339 return STATUS_NO_MEMORY;
341 memcpy(destination->Buffer, source->Buffer, source->Length);
342 destination->Length = source->Length;
343 destination->MaximumLength = source->Length;
344 /* append terminating '\0' if enough space */
346 destination->MaximumLength = destination_max_len;
347 destination->Buffer[destination->Length / sizeof(WCHAR)] = 0;
352 return STATUS_SUCCESS;
356 /**************************************************************************
357 * RtlEraseUnicodeString (NTDLL.@)
359 * Overwrites a UNICODE_STRING with zeros.
364 void WINAPI RtlEraseUnicodeString( UNICODE_STRING *str )
368 memset( str->Buffer, 0, str->MaximumLength );
379 /******************************************************************************
380 * RtlCompareString (NTDLL.@)
382 LONG WINAPI RtlCompareString( const STRING *s1, const STRING *s2, BOOLEAN CaseInsensitive )
388 len = min(s1->Length, s2->Length);
394 while (!ret && len--) ret = RtlUpperChar(*p1++) - RtlUpperChar(*p2++);
398 while (!ret && len--) ret = *p1++ - *p2++;
400 if (!ret) ret = s1->Length - s2->Length;
405 /******************************************************************************
406 * RtlCompareUnicodeString (NTDLL.@)
408 LONG WINAPI RtlCompareUnicodeString( const UNICODE_STRING *s1, const UNICODE_STRING *s2,
409 BOOLEAN CaseInsensitive )
415 len = min(s1->Length, s2->Length) / sizeof(WCHAR);
421 while (!ret && len--) ret = toupperW(*p1++) - toupperW(*p2++);
425 while (!ret && len--) ret = *p1++ - *p2++;
427 if (!ret) ret = s1->Length - s2->Length;
432 /**************************************************************************
433 * RtlEqualString (NTDLL.@)
435 * Determine if two strings are equal.
438 * s1 [I] Source string
439 * s2 [I] String to compare to s1
440 * CaseInsensitive [I] TRUE = Case insensitive, FALSE = Case sensitive
443 * Non-zero if s1 is equal to s2, 0 otherwise.
445 BOOLEAN WINAPI RtlEqualString( const STRING *s1, const STRING *s2, BOOLEAN CaseInsensitive )
447 if (s1->Length != s2->Length) return FALSE;
448 return !RtlCompareString( s1, s2, CaseInsensitive );
452 /**************************************************************************
453 * RtlEqualUnicodeString (NTDLL.@)
455 * Unicode version of RtlEqualString.
457 BOOLEAN WINAPI RtlEqualUnicodeString( const UNICODE_STRING *s1, const UNICODE_STRING *s2,
458 BOOLEAN CaseInsensitive )
460 if (s1->Length != s2->Length) return FALSE;
461 return !RtlCompareUnicodeString( s1, s2, CaseInsensitive );
465 /**************************************************************************
466 * RtlPrefixString (NTDLL.@)
468 * Determine if one string is a prefix of another.
471 * s1 [I] Prefix to look for in s2
472 * s2 [I] String that may contain s1 as a prefix
473 * ignore_case [I] TRUE = Case insensitive, FALSE = Case sensitive
476 * TRUE if s2 contains s1 as a prefix, FALSE otherwise.
478 BOOLEAN WINAPI RtlPrefixString( const STRING *s1, const STRING *s2, BOOLEAN ignore_case )
482 if (s1->Length > s2->Length) return FALSE;
485 for (i = 0; i < s1->Length; i++)
486 if (RtlUpperChar(s1->Buffer[i]) != RtlUpperChar(s2->Buffer[i])) return FALSE;
490 for (i = 0; i < s1->Length; i++)
491 if (s1->Buffer[i] != s2->Buffer[i]) return FALSE;
497 /**************************************************************************
498 * RtlPrefixUnicodeString (NTDLL.@)
500 * Unicode version of RtlPrefixString.
502 BOOLEAN WINAPI RtlPrefixUnicodeString( const UNICODE_STRING *s1,
503 const UNICODE_STRING *s2,
504 BOOLEAN ignore_case )
508 if (s1->Length > s2->Length) return FALSE;
511 for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
512 if (toupperW(s1->Buffer[i]) != toupperW(s2->Buffer[i])) return FALSE;
516 for (i = 0; i < s1->Length / sizeof(WCHAR); i++)
517 if (s1->Buffer[i] != s2->Buffer[i]) return FALSE;
523 /**************************************************************************
524 * RtlEqualComputerName (NTDLL.@)
526 * Determine if two computer names are the same.
529 * left [I] First computer name
530 * right [I] Second computer name
533 * 0 if the names are equal, non-zero otherwise.
536 * The comparison is case insensitive.
538 NTSTATUS WINAPI RtlEqualComputerName(const UNICODE_STRING *left,
539 const UNICODE_STRING *right)
542 STRING upLeft, upRight;
544 if (!(ret = RtlUpcaseUnicodeStringToOemString( &upLeft, left, TRUE )))
546 if (!(ret = RtlUpcaseUnicodeStringToOemString( &upRight, right, TRUE )))
548 ret = RtlEqualString( &upLeft, &upRight, FALSE );
549 RtlFreeOemString( &upRight );
551 RtlFreeOemString( &upLeft );
557 /**************************************************************************
558 * RtlEqualDomainName (NTDLL.@)
560 * Determine if two domain names are the same.
563 * left [I] First domain name
564 * right [I] Second domain name
567 * 0 if the names are equal, non-zero otherwise.
570 * The comparison is case insensitive.
572 NTSTATUS WINAPI RtlEqualDomainName(const UNICODE_STRING *left,
573 const UNICODE_STRING *right)
575 return RtlEqualComputerName(left, right);
580 COPY BETWEEN ANSI_STRING or UNICODE_STRING
581 there is no parameter checking, it just crashes
585 /**************************************************************************
586 * RtlAnsiStringToUnicodeString (NTDLL.@)
588 * Converts an ansi string to an unicode string.
591 * Success: STATUS_SUCCESS. uni contains the converted string
592 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and ansi is too small.
593 * STATUS_NO_MEMORY, if doalloc is TRUE and the allocation fails.
594 * STATUS_INVALID_PARAMETER_2, if the unicode string would be larger than 65535.
597 * This function always writes a terminating '\0'.
599 NTSTATUS WINAPI RtlAnsiStringToUnicodeString(
600 PUNICODE_STRING uni, /* [I/O] Destination for the unicode string */
601 PCANSI_STRING ansi, /* [I] Ansi string to be converted */
602 BOOLEAN doalloc) /* [I] TRUE=Allocate new buffer for uni, FALSE=Use existing buffer */
604 DWORD total = RtlAnsiStringToUnicodeSize( ansi );
606 if (total > 0xffff) return STATUS_INVALID_PARAMETER_2;
607 uni->Length = total - sizeof(WCHAR);
610 uni->MaximumLength = total;
611 if (!(uni->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, total )))
612 return STATUS_NO_MEMORY;
614 else if (total > uni->MaximumLength) return STATUS_BUFFER_OVERFLOW;
616 RtlMultiByteToUnicodeN( uni->Buffer, uni->Length, NULL, ansi->Buffer, ansi->Length );
617 uni->Buffer[uni->Length / sizeof(WCHAR)] = 0;
618 return STATUS_SUCCESS;
622 /**************************************************************************
623 * RtlOemStringToUnicodeString (NTDLL.@)
625 * Converts an oem string to an unicode string.
628 * Success: STATUS_SUCCESS. uni contains the converted string
629 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and oem is too small.
630 * STATUS_NO_MEMORY, if doalloc is TRUE and the allocation fails.
631 * STATUS_INVALID_PARAMETER_2, if the unicode string would be larger than 65535.
634 * This function always writes a terminating '\0'.
636 NTSTATUS WINAPI RtlOemStringToUnicodeString(
637 UNICODE_STRING *uni, /* [I/O] Destination for the unicode string */
638 const STRING *oem, /* [I] Oem string to be converted */
639 BOOLEAN doalloc) /* [I] TRUE=Allocate new buffer for uni, FALSE=Use existing buffer */
641 DWORD total = RtlOemStringToUnicodeSize( oem );
643 if (total > 0xffff) return STATUS_INVALID_PARAMETER_2;
644 uni->Length = total - sizeof(WCHAR);
647 uni->MaximumLength = total;
648 if (!(uni->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, total )))
649 return STATUS_NO_MEMORY;
651 else if (total > uni->MaximumLength) return STATUS_BUFFER_OVERFLOW;
653 RtlOemToUnicodeN( uni->Buffer, uni->Length, NULL, oem->Buffer, oem->Length );
654 uni->Buffer[uni->Length / sizeof(WCHAR)] = 0;
655 return STATUS_SUCCESS;
659 /**************************************************************************
660 * RtlUnicodeStringToAnsiString (NTDLL.@)
662 * Converts an unicode string to an ansi string.
665 * Success: STATUS_SUCCESS. ansi contains the converted string
666 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and ansi is too small.
667 * STATUS_NO_MEMORY, if doalloc is TRUE and the allocation fails.
670 * This function always writes a terminating '\0'.
671 * It performs a partial copy if ansi is too small.
673 NTSTATUS WINAPI RtlUnicodeStringToAnsiString(
674 STRING *ansi, /* [I/O] Destination for the ansi string */
675 const UNICODE_STRING *uni, /* [I] Unicode string to be converted */
676 BOOLEAN doalloc) /* [I] TRUE=Allocate new buffer for ansi, FALSE=Use existing buffer */
678 NTSTATUS ret = STATUS_SUCCESS;
679 DWORD len = RtlUnicodeStringToAnsiSize( uni );
681 ansi->Length = len - 1;
684 ansi->MaximumLength = len;
685 if (!(ansi->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len )))
686 return STATUS_NO_MEMORY;
688 else if (ansi->MaximumLength < len)
690 if (!ansi->MaximumLength) return STATUS_BUFFER_OVERFLOW;
691 ansi->Length = ansi->MaximumLength - 1;
692 ret = STATUS_BUFFER_OVERFLOW;
695 RtlUnicodeToMultiByteN( ansi->Buffer, ansi->Length, NULL, uni->Buffer, uni->Length );
696 ansi->Buffer[ansi->Length] = 0;
701 /**************************************************************************
702 * RtlUnicodeStringToOemString (NTDLL.@)
704 * Converts a Rtl Unicode string to an OEM string.
707 * oem [O] Destination for OEM string
708 * uni [I] Source Unicode string
709 * doalloc [I] TRUE=Allocate new buffer for oem,FALSE=Use existing buffer
712 * Success: STATUS_SUCCESS. oem contains the converted string
713 * Failure: STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and oem is too small.
714 * STATUS_NO_MEMORY, if doalloc is TRUE and allocation fails.
717 * If doalloc is TRUE, the length allocated is uni->Length + 1.
718 * This function always '\0' terminates the string returned.
720 NTSTATUS WINAPI RtlUnicodeStringToOemString( STRING *oem,
721 const UNICODE_STRING *uni,
724 NTSTATUS ret = STATUS_SUCCESS;
725 DWORD len = RtlUnicodeStringToOemSize( uni );
727 oem->Length = len - 1;
730 oem->MaximumLength = len;
731 if (!(oem->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len )))
732 return STATUS_NO_MEMORY;
734 else if (oem->MaximumLength < len)
736 if (!oem->MaximumLength) return STATUS_BUFFER_OVERFLOW;
737 oem->Length = oem->MaximumLength - 1;
738 ret = STATUS_BUFFER_OVERFLOW;
741 RtlUnicodeToOemN( oem->Buffer, oem->Length, NULL, uni->Buffer, uni->Length );
742 oem->Buffer[oem->Length] = 0;
747 /**************************************************************************
748 * RtlMultiByteToUnicodeN (NTDLL.@)
750 * Converts a multi-byte string to a Unicode string.
756 * Performs a partial copy if dst is too small.
758 NTSTATUS WINAPI RtlMultiByteToUnicodeN( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
759 LPCSTR src, DWORD srclen )
762 int ret = wine_cp_mbstowcs( ansi_table, 0, src, srclen, dst, dstlen/sizeof(WCHAR) );
764 *reslen = (ret >= 0) ? ret*sizeof(WCHAR) : dstlen; /* overflow -> we filled up to dstlen */
765 return STATUS_SUCCESS;
769 /**************************************************************************
770 * RtlOemToUnicodeN (NTDLL.@)
772 * Converts a multi-byte string in the OEM code page to a Unicode string.
777 NTSTATUS WINAPI RtlOemToUnicodeN( LPWSTR dst, DWORD dstlen, LPDWORD reslen,
778 LPCSTR src, DWORD srclen )
780 int ret = wine_cp_mbstowcs( oem_table, 0, src, srclen, dst, dstlen/sizeof(WCHAR) );
782 *reslen = (ret >= 0) ? ret*sizeof(WCHAR) : dstlen; /* overflow -> we filled up to dstlen */
783 return STATUS_SUCCESS;
787 /**************************************************************************
788 * RtlUnicodeToMultiByteN (NTDLL.@)
790 * Converts a Unicode string to a multi-byte string in the ANSI code page.
795 NTSTATUS WINAPI RtlUnicodeToMultiByteN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
796 LPCWSTR src, DWORD srclen )
798 int ret = wine_cp_wcstombs( ansi_table, 0, src, srclen / sizeof(WCHAR),
799 dst, dstlen, NULL, NULL );
801 *reslen = (ret >= 0) ? ret : dstlen; /* overflow -> we filled up to dstlen */
802 return STATUS_SUCCESS;
806 /**************************************************************************
807 * RtlUnicodeToOemN (NTDLL.@)
809 * Converts a Unicode string to a multi-byte string in the OEM code page.
814 NTSTATUS WINAPI RtlUnicodeToOemN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
815 LPCWSTR src, DWORD srclen )
817 int ret = wine_cp_wcstombs( oem_table, 0, src, srclen / sizeof(WCHAR),
818 dst, dstlen, NULL, NULL );
820 *reslen = (ret >= 0) ? ret : dstlen; /* overflow -> we filled up to dstlen */
821 return STATUS_SUCCESS;
830 /**************************************************************************
831 * RtlUpperChar (NTDLL.@)
833 * Converts an Ascii character to uppercase.
836 * ch [I] Character to convert
839 * The uppercase character value.
842 * For the input characters from 'a' .. 'z' it returns 'A' .. 'Z'.
843 * All other input characters are returned unchanged. The locale and
844 * multibyte characters are not taken into account (as native DLL).
846 CHAR WINAPI RtlUpperChar( CHAR ch )
848 if (ch >= 'a' && ch <= 'z') {
849 return ch - 'a' + 'A';
856 /**************************************************************************
857 * RtlUpperString (NTDLL.@)
859 * Converts an Ascii string to uppercase.
862 * dst [O] Destination for converted string
863 * src [I] Source string to convert
869 * For the src characters from 'a' .. 'z' it assigns 'A' .. 'Z' to dst.
870 * All other src characters are copied unchanged to dst. The locale and
871 * multibyte characters are not taken into account (as native DLL).
872 * The number of character copied is the minimum of src->Length and
873 * the dst->MaximumLength.
875 void WINAPI RtlUpperString( STRING *dst, const STRING *src )
877 unsigned int i, len = min(src->Length, dst->MaximumLength);
879 for (i = 0; i < len; i++) dst->Buffer[i] = RtlUpperChar(src->Buffer[i]);
884 /**************************************************************************
885 * RtlUpcaseUnicodeChar (NTDLL.@)
887 * Converts an Unicode character to uppercase.
890 * wch [I] Character to convert
893 * The uppercase character value.
895 WCHAR WINAPI RtlUpcaseUnicodeChar( WCHAR wch )
897 return toupperW(wch);
901 /**************************************************************************
902 * RtlDowncaseUnicodeChar (NTDLL.@)
904 * Converts an Unicode character to lowercase.
907 * wch [I] Character to convert
910 * The lowercase character value.
912 WCHAR WINAPI RtlDowncaseUnicodeChar(WCHAR wch)
914 return tolowerW(wch);
918 /**************************************************************************
919 * RtlUpcaseUnicodeString (NTDLL.@)
921 * Converts an Unicode string to uppercase.
924 * dest [O] Destination for converted string
925 * src [I] Source string to convert
926 * doalloc [I] TRUE=Allocate a buffer for dest if it doesn't have one
929 * Success: STATUS_SUCCESS. dest contains the converted string.
930 * Failure: STATUS_NO_MEMORY, if doalloc is TRUE and memory allocation fails, or
931 * STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and dest is too small.
934 * dest is never '\0' terminated because it may be equal to src, and src
935 * might not be '\0' terminated. dest->Length is only set upon success.
937 NTSTATUS WINAPI RtlUpcaseUnicodeString( UNICODE_STRING *dest,
938 const UNICODE_STRING *src,
941 DWORD i, len = src->Length;
945 dest->MaximumLength = len;
946 if (!(dest->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len )))
947 return STATUS_NO_MEMORY;
949 else if (len > dest->MaximumLength) return STATUS_BUFFER_OVERFLOW;
951 for (i = 0; i < len/sizeof(WCHAR); i++) dest->Buffer[i] = toupperW(src->Buffer[i]);
953 return STATUS_SUCCESS;
957 /**************************************************************************
958 * RtlDowncaseUnicodeString (NTDLL.@)
960 * Converts an Unicode string to lowercase.
963 * dest [O] Destination for converted string
964 * src [I] Source string to convert
965 * doalloc [I] TRUE=Allocate a buffer for dest if it doesn't have one
968 * Success: STATUS_SUCCESS. dest contains the converted string.
969 * Failure: STATUS_NO_MEMORY, if doalloc is TRUE and memory allocation fails, or
970 * STATUS_BUFFER_OVERFLOW, if doalloc is FALSE and dest is too small.
973 * dest is never '\0' terminated because it may be equal to src, and src
974 * might not be '\0' terminated. dest->Length is only set upon success.
976 NTSTATUS WINAPI RtlDowncaseUnicodeString(
977 UNICODE_STRING *dest,
978 const UNICODE_STRING *src,
982 DWORD len = src->Length;
985 dest->MaximumLength = len;
986 if (!(dest->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len ))) {
987 return STATUS_NO_MEMORY;
989 } else if (len > dest->MaximumLength) {
990 return STATUS_BUFFER_OVERFLOW;
993 for (i = 0; i < len/sizeof(WCHAR); i++) {
994 dest->Buffer[i] = tolowerW(src->Buffer[i]);
997 return STATUS_SUCCESS;
1001 /**************************************************************************
1002 * RtlUpcaseUnicodeStringToAnsiString (NTDLL.@)
1004 * Converts a Unicode string to the equivalent ANSI upper-case representation.
1010 * writes terminating 0
1012 NTSTATUS WINAPI RtlUpcaseUnicodeStringToAnsiString( STRING *dst,
1013 const UNICODE_STRING *src,
1017 UNICODE_STRING upcase;
1019 if (!(ret = RtlUpcaseUnicodeString( &upcase, src, TRUE )))
1021 ret = RtlUnicodeStringToAnsiString( dst, &upcase, doalloc );
1022 RtlFreeUnicodeString( &upcase );
1028 /**************************************************************************
1029 * RtlUpcaseUnicodeStringToOemString (NTDLL.@)
1031 * Converts a UNICODE_STRING to the equivalent OEM upper-case representation
1032 * stored in STRING format.
1038 * writes terminating 0
1040 NTSTATUS WINAPI RtlUpcaseUnicodeStringToOemString( STRING *dst,
1041 const UNICODE_STRING *src,
1045 UNICODE_STRING upcase;
1047 if (!(ret = RtlUpcaseUnicodeString( &upcase, src, TRUE )))
1049 ret = RtlUnicodeStringToOemString( dst, &upcase, doalloc );
1050 RtlFreeUnicodeString( &upcase );
1056 /**************************************************************************
1057 * RtlUpcaseUnicodeStringToCountedOemString (NTDLL.@)
1059 * Converts a UNICODE_STRING to the equivalent OEM upper-case representation
1060 * stored in STRING format.
1066 * Same as RtlUpcaseUnicodeStringToOemString but doesn't write terminating null
1068 NTSTATUS WINAPI RtlUpcaseUnicodeStringToCountedOemString( STRING *oem,
1069 const UNICODE_STRING *uni,
1073 UNICODE_STRING upcase;
1076 upcase.Buffer = tmp;
1077 upcase.MaximumLength = sizeof(tmp);
1078 ret = RtlUpcaseUnicodeString( &upcase, uni, FALSE );
1079 if (ret == STATUS_BUFFER_OVERFLOW) ret = RtlUpcaseUnicodeString( &upcase, uni, TRUE );
1083 DWORD len = RtlUnicodeStringToOemSize( &upcase ) - 1;
1087 oem->MaximumLength = len;
1088 if (!(oem->Buffer = RtlAllocateHeap( GetProcessHeap(), 0, len )))
1090 ret = STATUS_NO_MEMORY;
1094 else if (oem->MaximumLength < len)
1096 ret = STATUS_BUFFER_OVERFLOW;
1097 oem->Length = oem->MaximumLength;
1098 if (!oem->MaximumLength) goto done;
1100 RtlUnicodeToOemN( oem->Buffer, oem->Length, NULL, upcase.Buffer, upcase.Length );
1102 if (upcase.Buffer != tmp) RtlFreeUnicodeString( &upcase );
1108 /**************************************************************************
1109 * RtlUpcaseUnicodeToMultiByteN (NTDLL.@)
1111 * Converts a Unicode string to the equivalent ANSI upper-case representation.
1116 NTSTATUS WINAPI RtlUpcaseUnicodeToMultiByteN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
1117 LPCWSTR src, DWORD srclen )
1123 if (!(upcase = RtlAllocateHeap( GetProcessHeap(), 0, srclen ))) return STATUS_NO_MEMORY;
1124 for (i = 0; i < srclen/sizeof(WCHAR); i++) upcase[i] = toupperW(src[i]);
1125 ret = RtlUnicodeToMultiByteN( dst, dstlen, reslen, upcase, srclen );
1126 RtlFreeHeap( GetProcessHeap(), 0, upcase );
1131 /**************************************************************************
1132 * RtlUpcaseUnicodeToOemN (NTDLL.@)
1134 * Converts a Unicode string to the equivalent OEM upper-case representation.
1139 NTSTATUS WINAPI RtlUpcaseUnicodeToOemN( LPSTR dst, DWORD dstlen, LPDWORD reslen,
1140 LPCWSTR src, DWORD srclen )
1146 if (!(upcase = RtlAllocateHeap( GetProcessHeap(), 0, srclen ))) return STATUS_NO_MEMORY;
1147 for (i = 0; i < srclen/sizeof(WCHAR); i++) upcase[i] = toupperW(src[i]);
1148 ret = RtlUnicodeToOemN( dst, dstlen, reslen, upcase, srclen );
1149 RtlFreeHeap( GetProcessHeap(), 0, upcase );
1159 /**************************************************************************
1160 * RtlOemStringToUnicodeSize (NTDLL.@)
1161 * RtlxOemStringToUnicodeSize (NTDLL.@)
1163 * Calculate the size in bytes necessary for the Unicode conversion of str,
1164 * including the terminating '\0'.
1167 * str [I] String to calculate the size of
1170 * The calculated size.
1172 UINT WINAPI RtlOemStringToUnicodeSize( const STRING *str )
1174 int ret = wine_cp_mbstowcs( oem_table, 0, str->Buffer, str->Length, NULL, 0 );
1175 return (ret + 1) * sizeof(WCHAR);
1179 /**************************************************************************
1180 * RtlAnsiStringToUnicodeSize (NTDLL.@)
1181 * RtlxAnsiStringToUnicodeSize (NTDLL.@)
1183 * Calculate the size in bytes necessary for the Unicode conversion of str,
1184 * including the terminating '\0'.
1187 * str [I] String to calculate the size of
1190 * The calculated size.
1192 DWORD WINAPI RtlAnsiStringToUnicodeSize( const STRING *str )
1195 RtlMultiByteToUnicodeSize( &ret, str->Buffer, str->Length );
1196 return ret + sizeof(WCHAR);
1200 /**************************************************************************
1201 * RtlMultiByteToUnicodeSize (NTDLL.@)
1203 * Compute the size in bytes necessary for the Unicode conversion of str,
1204 * without the terminating '\0'.
1207 * size [O] Destination for size
1208 * str [I] String to calculate the size of
1209 * len [I] Length of str
1214 NTSTATUS WINAPI RtlMultiByteToUnicodeSize( DWORD *size, LPCSTR str, UINT len )
1216 *size = wine_cp_mbstowcs( ansi_table, 0, str, len, NULL, 0 ) * sizeof(WCHAR);
1217 return STATUS_SUCCESS;
1221 /**************************************************************************
1222 * RtlUnicodeToMultiByteSize (NTDLL.@)
1224 * Calculate the size in bytes necessary for the multibyte conversion of str,
1225 * without the terminating '\0'.
1228 * size [O] Destination for size
1229 * str [I] String to calculate the size of
1230 * len [I] Length of str
1235 NTSTATUS WINAPI RtlUnicodeToMultiByteSize( PULONG size, LPCWSTR str, ULONG len )
1237 *size = wine_cp_wcstombs( ansi_table, 0, str, len / sizeof(WCHAR), NULL, 0, NULL, NULL );
1238 return STATUS_SUCCESS;
1242 /**************************************************************************
1243 * RtlUnicodeStringToAnsiSize (NTDLL.@)
1244 * RtlxUnicodeStringToAnsiSize (NTDLL.@)
1246 * Calculate the size in bytes necessary for the Ansi conversion of str,
1247 * including the terminating '\0'.
1250 * str [I] String to calculate the size of
1253 * The calculated size.
1255 DWORD WINAPI RtlUnicodeStringToAnsiSize( const UNICODE_STRING *str )
1258 RtlUnicodeToMultiByteSize( &ret, str->Buffer, str->Length );
1263 /**************************************************************************
1264 * RtlUnicodeStringToOemSize (NTDLL.@)
1265 * RtlxUnicodeStringToOemSize (NTDLL.@)
1267 * Calculate the size in bytes necessary for the OEM conversion of str,
1268 * including the terminating '\0'.
1271 * str [I] String to calculate the size of
1274 * The calculated size.
1276 DWORD WINAPI RtlUnicodeStringToOemSize( const UNICODE_STRING *str )
1278 return wine_cp_wcstombs( oem_table, 0, str->Buffer, str->Length / sizeof(WCHAR),
1279 NULL, 0, NULL, NULL ) + 1;
1283 /**************************************************************************
1284 * RtlAppendAsciizToString (NTDLL.@)
1286 * Concatenates a buffered character string and a '\0' terminated character
1290 * Success: STATUS_SUCCESS. src is appended to dest.
1291 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is too small
1292 * to hold the concatenated string.
1295 * if src is NULL dest is unchanged.
1296 * dest is never '\0' terminated.
1298 NTSTATUS WINAPI RtlAppendAsciizToString(
1299 STRING *dest, /* [I/O] Buffered character string to which src is concatenated */
1300 LPCSTR src) /* [I] '\0' terminated character string to be concatenated */
1303 unsigned int src_len = strlen(src);
1304 unsigned int dest_len = src_len + dest->Length;
1306 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1307 memcpy(dest->Buffer + dest->Length, src, src_len);
1308 dest->Length = dest_len;
1310 return STATUS_SUCCESS;
1314 /**************************************************************************
1315 * RtlAppendStringToString (NTDLL.@)
1317 * Concatenates two buffered character strings
1320 * Success: STATUS_SUCCESS. src is appended to dest.
1321 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is too small
1322 * to hold the concatenated string.
1325 * if src->length is zero dest is unchanged.
1326 * dest is never '\0' terminated.
1328 NTSTATUS WINAPI RtlAppendStringToString(
1329 STRING *dest, /* [I/O] Buffered character string to which src is concatenated */
1330 const STRING *src) /* [I] Buffered character string to be concatenated */
1332 if (src->Length != 0) {
1333 unsigned int dest_len = src->Length + dest->Length;
1335 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1336 memcpy(dest->Buffer + dest->Length, src->Buffer, src->Length);
1337 dest->Length = dest_len;
1339 return STATUS_SUCCESS;
1343 /**************************************************************************
1344 * RtlAppendUnicodeToString (NTDLL.@)
1346 * Concatenates a buffered unicode string and a '\0' terminated unicode
1350 * Success: STATUS_SUCCESS. src is appended to dest.
1351 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is too small
1352 * to hold the concatenated string.
1355 * if src is NULL dest is unchanged.
1356 * dest is '\0' terminated when the MaximumLength allows it.
1357 * When dest fits exactly in MaximumLength characters the '\0' is omitted.
1360 * Does not write in the src->Buffer beyond MaximumLength when
1361 * MaximumLength is odd as the native function does.
1363 NTSTATUS WINAPI RtlAppendUnicodeToString(
1364 UNICODE_STRING *dest, /* [I/O] Buffered unicode string to which src is concatenated */
1365 LPCWSTR src) /* [I] '\0' terminated unicode string to be concatenated */
1368 unsigned int src_len = strlenW(src) * sizeof(WCHAR);
1369 unsigned int dest_len = src_len + dest->Length;
1371 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1372 memcpy(dest->Buffer + dest->Length/sizeof(WCHAR), src, src_len);
1373 dest->Length = dest_len;
1374 /* append terminating '\0' if enough space */
1375 if (dest_len + sizeof(WCHAR) <= dest->MaximumLength) {
1376 dest->Buffer[dest_len / sizeof(WCHAR)] = 0;
1379 return STATUS_SUCCESS;
1383 /**************************************************************************
1384 * RtlAppendUnicodeStringToString (NTDLL.@)
1386 * Concatenates two buffered unicode strings
1389 * Success: STATUS_SUCCESS. src is appended to dest.
1390 * Failure: STATUS_BUFFER_TOO_SMALL, if the buffer of dest is too small
1391 * to hold the concatenated string.
1394 * if src->length is zero dest is unchanged.
1395 * dest is '\0' terminated when the MaximumLength allows it.
1396 * When dest fits exactly in MaximumLength characters the '\0' is omitted.
1399 * Does not write in the src->Buffer beyond MaximumLength when
1400 * MaximumLength is odd as the native function does.
1402 NTSTATUS WINAPI RtlAppendUnicodeStringToString(
1403 UNICODE_STRING *dest, /* [I/O] Buffered unicode string to which src is concatenated */
1404 const UNICODE_STRING *src) /* [I] Buffered unicode string to be concatenated */
1406 if (src->Length != 0) {
1407 unsigned int dest_len = src->Length + dest->Length;
1409 if (dest_len > dest->MaximumLength) return STATUS_BUFFER_TOO_SMALL;
1410 memcpy(dest->Buffer + dest->Length/sizeof(WCHAR), src->Buffer, src->Length);
1411 dest->Length = dest_len;
1412 /* append terminating '\0' if enough space */
1413 if (dest_len + sizeof(WCHAR) <= dest->MaximumLength) {
1414 dest->Buffer[dest_len / sizeof(WCHAR)] = 0;
1417 return STATUS_SUCCESS;
1421 /**************************************************************************
1422 * RtlFindCharInUnicodeString (NTDLL.@)
1424 * Searches for one of several unicode characters in an unicode string.
1427 * Success: STATUS_SUCCESS. pos contains the position after the character found.
1428 * Failure: STATUS_NOT_FOUND, if none of the search_chars are in main_str.
1430 NTSTATUS WINAPI RtlFindCharInUnicodeString(
1431 int flags, /* [I] Flags */
1432 const UNICODE_STRING *main_str, /* [I] Unicode string in which one or more characters are searched */
1433 const UNICODE_STRING *search_chars, /* [I] Unicode string which contains the characters to search for */
1434 USHORT *pos) /* [O] Position of the first character found + 2 */
1437 unsigned int search_idx;
1441 for (main_idx = 0; main_idx < main_str->Length / sizeof(WCHAR); main_idx++) {
1442 for (search_idx = 0; search_idx < search_chars->Length / sizeof(WCHAR); search_idx++) {
1443 if (main_str->Buffer[main_idx] == search_chars->Buffer[search_idx]) {
1444 *pos = (main_idx + 1) * sizeof(WCHAR);
1445 return STATUS_SUCCESS;
1450 return STATUS_NOT_FOUND;
1452 for (main_idx = main_str->Length / sizeof(WCHAR) - 1; main_idx >= 0; main_idx--) {
1453 for (search_idx = 0; search_idx < search_chars->Length / sizeof(WCHAR); search_idx++) {
1454 if (main_str->Buffer[main_idx] == search_chars->Buffer[search_idx]) {
1455 *pos = main_idx * sizeof(WCHAR);
1456 return STATUS_SUCCESS;
1461 return STATUS_NOT_FOUND;
1463 for (main_idx = 0; main_idx < main_str->Length / sizeof(WCHAR); main_idx++) {
1465 while (search_idx < search_chars->Length / sizeof(WCHAR) &&
1466 main_str->Buffer[main_idx] != search_chars->Buffer[search_idx]) {
1469 if (search_idx >= search_chars->Length / sizeof(WCHAR)) {
1470 *pos = (main_idx + 1) * sizeof(WCHAR);
1471 return STATUS_SUCCESS;
1475 return STATUS_NOT_FOUND;
1477 for (main_idx = main_str->Length / sizeof(WCHAR) - 1; main_idx >= 0; main_idx--) {
1479 while (search_idx < search_chars->Length / sizeof(WCHAR) &&
1480 main_str->Buffer[main_idx] != search_chars->Buffer[search_idx]) {
1483 if (search_idx >= search_chars->Length / sizeof(WCHAR)) {
1484 *pos = main_idx * sizeof(WCHAR);
1485 return STATUS_SUCCESS;
1489 return STATUS_NOT_FOUND;
1491 return STATUS_NOT_FOUND;
1499 /**************************************************************************
1500 * RtlIsTextUnicode (NTDLL.@)
1502 * Attempt to guess whether a text buffer is Unicode.
1505 * buf [I] Text buffer to test
1506 * len [I] Length of buf
1507 * pf [O] Destination for test results
1510 * TRUE if the buffer is likely Unicode, FALSE otherwise.
1513 * Should implement more tests.
1515 BOOLEAN WINAPI RtlIsTextUnicode( LPCVOID buf, INT len, INT *pf )
1517 const WCHAR *s = buf;
1519 unsigned int flags = ~0U, out_flags = 0;
1521 if (len < sizeof(WCHAR))
1523 /* FIXME: MSDN documents IS_TEXT_UNICODE_BUFFER_TOO_SMALL but there is no such thing... */
1530 * Apply various tests to the text string. According to the
1531 * docs, each test "passed" sets the corresponding flag in
1532 * the output flags. But some of the tests are mutually
1533 * exclusive, so I don't see how you could pass all tests ...
1536 /* Check for an odd length ... pass if even. */
1537 if (len & 1) out_flags |= IS_TEXT_UNICODE_ODD_LENGTH;
1539 len /= sizeof(WCHAR);
1540 /* Windows only checks the first 256 characters */
1541 if (len > 256) len = 256;
1543 /* Check for the special byte order unicode marks. */
1544 if (*s == 0xFEFF) out_flags |= IS_TEXT_UNICODE_SIGNATURE;
1545 if (*s == 0xFFFE) out_flags |= IS_TEXT_UNICODE_REVERSE_SIGNATURE;
1547 /* apply some statistical analysis */
1548 if (flags & IS_TEXT_UNICODE_STATISTICS)
1551 /* FIXME: checks only for ASCII characters in the unicode stream */
1552 for (i = 0; i < len; i++)
1554 if (s[i] <= 255) stats++;
1556 if (stats > len / 2)
1557 out_flags |= IS_TEXT_UNICODE_STATISTICS;
1560 /* Check for unicode NULL chars */
1561 if (flags & IS_TEXT_UNICODE_NULL_BYTES)
1563 for (i = 0; i < len; i++)
1567 out_flags |= IS_TEXT_UNICODE_NULL_BYTES;
1578 /* check for flags that indicate it's definitely not valid Unicode */
1579 if (out_flags & (IS_TEXT_UNICODE_REVERSE_MASK | IS_TEXT_UNICODE_NOT_UNICODE_MASK)) return FALSE;
1580 /* now check for invalid ASCII, and assume Unicode if so */
1581 if (out_flags & IS_TEXT_UNICODE_NOT_ASCII_MASK) return TRUE;
1582 /* now check for Unicode flags */
1583 if (out_flags & IS_TEXT_UNICODE_UNICODE_MASK) return TRUE;
1589 /**************************************************************************
1590 * RtlCharToInteger (NTDLL.@)
1592 * Converts a character string into its integer equivalent.
1595 * Success: STATUS_SUCCESS. value contains the converted number
1596 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1597 * STATUS_ACCESS_VIOLATION, if value is NULL.
1600 * For base 0 it uses 10 as base and the string should be in the format
1601 * "{whitespace} [+|-] [0[x|o|b]] {digits}".
1602 * For other bases the string should be in the format
1603 * "{whitespace} [+|-] {digits}".
1604 * No check is made for value overflow, only the lower 32 bits are assigned.
1605 * If str is NULL it crashes, as the native function does.
1608 * This function does not read garbage behind '\0' as the native version does.
1610 NTSTATUS WINAPI RtlCharToInteger(
1611 PCSZ str, /* [I] '\0' terminated single-byte string containing a number */
1612 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1613 ULONG *value) /* [O] Destination for the converted value */
1617 ULONG RunningTotal = 0;
1620 while (*str != '\0' && *str <= ' ') {
1626 } else if (*str == '-') {
1633 if (str[0] == '0') {
1634 if (str[1] == 'b') {
1637 } else if (str[1] == 'o') {
1640 } else if (str[1] == 'x') {
1645 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1646 return STATUS_INVALID_PARAMETER;
1649 if (value == NULL) {
1650 return STATUS_ACCESS_VIOLATION;
1653 while (*str != '\0') {
1655 if (chCurrent >= '0' && chCurrent <= '9') {
1656 digit = chCurrent - '0';
1657 } else if (chCurrent >= 'A' && chCurrent <= 'Z') {
1658 digit = chCurrent - 'A' + 10;
1659 } else if (chCurrent >= 'a' && chCurrent <= 'z') {
1660 digit = chCurrent - 'a' + 10;
1664 if (digit < 0 || digit >= base) {
1665 *value = bMinus ? -RunningTotal : RunningTotal;
1666 return STATUS_SUCCESS;
1669 RunningTotal = RunningTotal * base + digit;
1673 *value = bMinus ? -RunningTotal : RunningTotal;
1674 return STATUS_SUCCESS;
1678 /**************************************************************************
1679 * RtlIntegerToChar (NTDLL.@)
1681 * Converts an unsigned integer to a character string.
1684 * Success: STATUS_SUCCESS. str contains the converted number
1685 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1686 * STATUS_BUFFER_OVERFLOW, if str would be larger than length.
1687 * STATUS_ACCESS_VIOLATION, if str is NULL.
1690 * Instead of base 0 it uses 10 as base.
1691 * Writes at most length characters to the string str.
1692 * Str is '\0' terminated when length allows it.
1693 * When str fits exactly in length characters the '\0' is omitted.
1695 NTSTATUS WINAPI RtlIntegerToChar(
1696 ULONG value, /* [I] Value to be converted */
1697 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1698 ULONG length, /* [I] Length of the str buffer in bytes */
1699 PCHAR str) /* [O] Destination for the converted value */
1708 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1709 return STATUS_INVALID_PARAMETER;
1717 digit = value % base;
1718 value = value / base;
1722 *pos = 'A' + digit - 10;
1724 } while (value != 0L);
1726 len = &buffer[32] - pos;
1728 return STATUS_BUFFER_OVERFLOW;
1729 } else if (str == NULL) {
1730 return STATUS_ACCESS_VIOLATION;
1731 } else if (len == length) {
1732 memcpy(str, pos, len);
1734 memcpy(str, pos, len + 1);
1736 return STATUS_SUCCESS;
1740 /**************************************************************************
1741 * RtlUnicodeStringToInteger (NTDLL.@)
1743 * Converts an unicode string into its integer equivalent.
1746 * Success: STATUS_SUCCESS. value contains the converted number
1747 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1748 * STATUS_ACCESS_VIOLATION, if value is NULL.
1751 * For base 0 it uses 10 as base and the string should be in the format
1752 * "{whitespace} [+|-] [0[x|o|b]] {digits}".
1753 * For other bases the string should be in the format
1754 * "{whitespace} [+|-] {digits}".
1755 * No check is made for value overflow, only the lower 32 bits are assigned.
1756 * If str is NULL it crashes, as the native function does.
1759 * This function does not read garbage on string length 0 as the native
1762 NTSTATUS WINAPI RtlUnicodeStringToInteger(
1763 const UNICODE_STRING *str, /* [I] Unicode string to be converted */
1764 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1765 ULONG *value) /* [O] Destination for the converted value */
1767 LPWSTR lpwstr = str->Buffer;
1768 USHORT CharsRemaining = str->Length / sizeof(WCHAR);
1771 ULONG RunningTotal = 0;
1774 while (CharsRemaining >= 1 && *lpwstr <= ' ') {
1779 if (CharsRemaining >= 1) {
1780 if (*lpwstr == '+') {
1783 } else if (*lpwstr == '-') {
1792 if (CharsRemaining >= 2 && lpwstr[0] == '0') {
1793 if (lpwstr[1] == 'b') {
1795 CharsRemaining -= 2;
1797 } else if (lpwstr[1] == 'o') {
1799 CharsRemaining -= 2;
1801 } else if (lpwstr[1] == 'x') {
1803 CharsRemaining -= 2;
1807 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1808 return STATUS_INVALID_PARAMETER;
1811 if (value == NULL) {
1812 return STATUS_ACCESS_VIOLATION;
1815 while (CharsRemaining >= 1) {
1816 wchCurrent = *lpwstr;
1817 if (wchCurrent >= '0' && wchCurrent <= '9') {
1818 digit = wchCurrent - '0';
1819 } else if (wchCurrent >= 'A' && wchCurrent <= 'Z') {
1820 digit = wchCurrent - 'A' + 10;
1821 } else if (wchCurrent >= 'a' && wchCurrent <= 'z') {
1822 digit = wchCurrent - 'a' + 10;
1826 if (digit < 0 || digit >= base) {
1827 *value = bMinus ? -RunningTotal : RunningTotal;
1828 return STATUS_SUCCESS;
1831 RunningTotal = RunningTotal * base + digit;
1836 *value = bMinus ? -RunningTotal : RunningTotal;
1837 return STATUS_SUCCESS;
1841 /**************************************************************************
1842 * RtlIntegerToUnicodeString (NTDLL.@)
1844 * Converts an unsigned integer to a '\0' terminated unicode string.
1847 * Success: STATUS_SUCCESS. str contains the converted number
1848 * Failure: STATUS_INVALID_PARAMETER, if base is not 0, 2, 8, 10 or 16.
1849 * STATUS_BUFFER_OVERFLOW, if str is too small to hold the string
1850 * (with the '\0' termination). In this case str->Length
1851 * is set to the length, the string would have (which can
1852 * be larger than the MaximumLength).
1855 * Instead of base 0 it uses 10 as base.
1856 * If str is NULL it crashes, as the native function does.
1859 * Do not return STATUS_BUFFER_OVERFLOW when the string is long enough.
1860 * The native function does this when the string would be longer than 16
1861 * characters even when the string parameter is long enough.
1863 NTSTATUS WINAPI RtlIntegerToUnicodeString(
1864 ULONG value, /* [I] Value to be converted */
1865 ULONG base, /* [I] Number base for conversion (allowed 0, 2, 8, 10 or 16) */
1866 UNICODE_STRING *str) /* [O] Destination for the converted value */
1874 } else if (base != 2 && base != 8 && base != 10 && base != 16) {
1875 return STATUS_INVALID_PARAMETER;
1883 digit = value % base;
1884 value = value / base;
1888 *pos = 'A' + digit - 10;
1890 } while (value != 0L);
1892 str->Length = (&buffer[32] - pos) * sizeof(WCHAR);
1893 if (str->Length >= str->MaximumLength) {
1894 return STATUS_BUFFER_OVERFLOW;
1896 memcpy(str->Buffer, pos, str->Length + sizeof(WCHAR));
1898 return STATUS_SUCCESS;
1902 /*************************************************************************
1903 * RtlGUIDFromString (NTDLL.@)
1905 * Convert a string representation of a GUID into a GUID.
1908 * str [I] String representation in the format "{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}"
1909 * guid [O] Destination for the converted GUID
1912 * Success: STATUS_SUCCESS. guid contains the converted value.
1913 * Failure: STATUS_INVALID_PARAMETER, if str is not in the expected format.
1916 * See RtlStringFromGUID.
1918 NTSTATUS WINAPI RtlGUIDFromString(const UNICODE_STRING *str, GUID* guid)
1921 const WCHAR *lpszCLSID = str->Buffer;
1922 BYTE* lpOut = (BYTE*)guid;
1924 TRACE("(%s,%p)\n", debugstr_us(str), guid);
1926 /* Convert string: {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}
1927 * to memory: DWORD... WORD WORD BYTES............
1934 if (*lpszCLSID != '{')
1935 return STATUS_INVALID_PARAMETER;
1938 case 9: case 14: case 19: case 24:
1939 if (*lpszCLSID != '-')
1940 return STATUS_INVALID_PARAMETER;
1944 if (*lpszCLSID != '}')
1945 return STATUS_INVALID_PARAMETER;
1950 WCHAR ch = *lpszCLSID, ch2 = lpszCLSID[1];
1953 /* Read two hex digits as a byte value */
1954 if (ch >= '0' && ch <= '9') ch = ch - '0';
1955 else if (ch >= 'a' && ch <= 'f') ch = ch - 'a' + 10;
1956 else if (ch >= 'A' && ch <= 'F') ch = ch - 'A' + 10;
1957 else return STATUS_INVALID_PARAMETER;
1959 if (ch2 >= '0' && ch2 <= '9') ch2 = ch2 - '0';
1960 else if (ch2 >= 'a' && ch2 <= 'f') ch2 = ch2 - 'a' + 10;
1961 else if (ch2 >= 'A' && ch2 <= 'F') ch2 = ch2 - 'A' + 10;
1962 else return STATUS_INVALID_PARAMETER;
1964 byte = ch << 4 | ch2;
1968 #ifndef WORDS_BIGENDIAN
1969 /* For Big Endian machines, we store the data such that the
1970 * dword/word members can be read as DWORDS and WORDS correctly. */
1972 case 1: lpOut[3] = byte; break;
1973 case 3: lpOut[2] = byte; break;
1974 case 5: lpOut[1] = byte; break;
1975 case 7: lpOut[0] = byte; lpOut += 4; break;
1977 case 10: case 15: lpOut[1] = byte; break;
1978 case 12: case 17: lpOut[0] = byte; lpOut += 2; break;
1981 default: lpOut[0] = byte; lpOut++; break;
1983 lpszCLSID++; /* Skip 2nd character of byte */
1991 return STATUS_SUCCESS;
1994 /*************************************************************************
1995 * RtlStringFromGUID (NTDLL.@)
1997 * Convert a GUID into a string representation of a GUID.
2000 * guid [I] GUID to convert
2001 * str [O] Destination for the converted string
2004 * Success: STATUS_SUCCESS. str contains the converted value.
2005 * Failure: STATUS_NO_MEMORY, if memory for str cannot be allocated.
2008 * See RtlGUIDFromString.
2010 NTSTATUS WINAPI RtlStringFromGUID(const GUID* guid, UNICODE_STRING *str)
2012 static const WCHAR szFormat[] = { '{','%','0','8','l','X','-',
2013 '%','0','4','X','-', '%','0','4','X','-','%','0','2','X','%','0','2','X',
2014 '-', '%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
2015 '%','0','2','X','%','0','2','X','}','\0' };
2017 TRACE("(%p,%p)\n", guid, str);
2019 str->Length = GUID_STRING_LENGTH * sizeof(WCHAR);
2020 str->MaximumLength = str->Length + sizeof(WCHAR);
2021 str->Buffer = (WCHAR*)RtlAllocateHeap(GetProcessHeap(), 0, str->MaximumLength);
2024 str->Length = str->MaximumLength = 0;
2025 return STATUS_NO_MEMORY;
2027 sprintfW(str->Buffer, szFormat, guid->Data1, guid->Data2, guid->Data3,
2028 guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
2029 guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
2031 return STATUS_SUCCESS;