+++ /dev/null
-/* $Id$
- * reactos filesystem name strings functions emulation of libcaptive
- * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; exactly version 2 of June 1991 is required
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-
-#include "config.h"
-
-#include "reactos/ddk/fsfuncs.h" /* self */
-#include <glib/gmessages.h>
-#include "captive/unicode.h"
-#include "reactos/unicode.h" /* for ANSI_* */
-#include "captive/macros.h"
-#include <ctype.h>
-
-
-UCHAR **FsRtlLegalAnsiCharacterArray;
-
-
-/**
- * captive_FsRtlLegalAnsiCharacterArray_init:
- *
- * Initialize #FsRtlLegalAnsiCharacterArray character classes
- * by appropriate #FSRTL_FAT_LEGAL etc. flags.
- */
-void captive_FsRtlLegalAnsiCharacterArray_init(void)
-{
-static UCHAR *array;
-guint ui;
-const gchar fat_valid[]="!#&(-./@_~";
-
- /* Use allocation instead of static array to get ElectricFence sanity boundaries.
- * Use even the negative 0x80 part as someone may access 'FsRtlLegalAnsiCharacterArray'
- * with 'signed char' (but also with 'unsigned char'). See also memcpy(3) below.
- */
- captive_new0n(array,0x80+0x100);
- array+=0x80;
-
- for (ui=0;ui<0x100;ui++) {
-UCHAR f=0;
-
- if (isalnum(ui) || strchr(fat_valid,ui))
- f|=FSRTL_FAT_LEGAL;
- if (isalnum(ui) || strchr(fat_valid,ui))
- f|=FSRTL_HPFS_LEGAL;
- if (isalnum(ui) || strchr(fat_valid,ui))
- f|=FSRTL_NTFS_LEGAL;
- if (ui=='*' || ui=='?')
- f|=FSRTL_WILD_CHARACTER;
- if (isalnum(ui))
- f|=FSRTL_OLE_LEGAL;
-
- array[(unsigned int)(unsigned char)ui]=f;
- }
-
- memcpy(array-0x80,array+0x80,0x80*sizeof(*array));
-
- FsRtlLegalAnsiCharacterArray=&array;
-}
-
-
-/**
- * FsRtlDoesNameContainWildCards:
- * @Name: Filename to check for wildcards.
- * %NULL value is forbidden.
- * Non-zero terminated #PUNICODE_STRING is permitted.
- *
- * Check if @Name contains wildcard markers as its substring(s).
- *
- * Returns: %TRUE if @Name contains "*", "?", %ANSI_DOS_STAR, %ANSI_DOS_DOT or %ANSI_DOS_QM.
- */
-BOOLEAN FsRtlDoesNameContainWildCards(IN PUNICODE_STRING Name)
-{
-const UNICODE_STRING *cName=Name;
-const WCHAR *wcp;
-
- g_return_val_if_fail(captive_validate_UnicodeString_noterm(cName),FALSE);
-
- for (wcp=cName->Buffer;wcp<cName->Buffer+(cName->Length/sizeof(*cName->Buffer));*wcp++)
- if (0
- || *wcp=='*'
- || *wcp=='?'
- || *wcp==ANSI_DOS_STAR
- || *wcp==ANSI_DOS_DOT
- || *wcp==ANSI_DOS_QM)
- return TRUE;
- return FALSE;
-}
-
-
-/**
- * FsRtlDissectName:
- * @Path_noterm: Initialized #UNICODE_STRING to parse.
- * @FirstName: Returns the first filename from @Path_noterm.
- * %NULL value is forbidden.
- * @RemainingName: Returns the part of @Path_noterm behind @FirstName.
- * %NULL value is forbidden.
- *
- * Will parse @Path_noterm as regex (FirstName,RemainingName)=/^\?([^/]*)/?(.*)$/;
- * @FirstName and @RemainingName must be pointers to allocated #UNICODE_STRING
- * but their #Buffer will be pointing to inside @Path_noterm buffer afterwards.
- * Therefore do not free it! The returned strings may not be 0-terminated strings.
- *
- * @Path_noterm does not neet to be zero-terminated.
- */
-VOID FsRtlDissectName(IN UNICODE_STRING Path_noterm,OUT PUNICODE_STRING FirstName,OUT PUNICODE_STRING RemainingName)
-{
-PWSTR Path_end;
-PWSTR delim_FirstName_start ,delim_FirstName_end;
-PWSTR delim_RemainingName_start,delim_RemainingName_end;
-
- g_return_if_fail(captive_validate_UnicodeString_noterm(&Path_noterm));
- g_return_if_fail(FirstName!=NULL);
- g_return_if_fail(RemainingName!=NULL);
-
- Path_end=Path_noterm.Buffer+Path_noterm.Length/sizeof(*Path_noterm.Buffer);
-
- delim_FirstName_start=Path_noterm.Buffer;
- if (delim_FirstName_start<Path_end && *delim_FirstName_start=='\\')
- delim_FirstName_start++;
- for (delim_FirstName_end=delim_FirstName_start;
- delim_FirstName_end<Path_end && *delim_FirstName_end!='\\';
- delim_FirstName_end++);
- delim_RemainingName_start=delim_FirstName_end;
- if (delim_RemainingName_start<Path_end && *delim_RemainingName_start=='\\')
- delim_RemainingName_start++;
- delim_RemainingName_end=Path_end;
-
- g_assert(delim_FirstName_start <=delim_FirstName_end);
- g_assert(delim_FirstName_end <=delim_RemainingName_start);
- g_assert(delim_RemainingName_start<=delim_RemainingName_end);
-
- FirstName->Buffer=delim_FirstName_start;
- FirstName->Length=(delim_FirstName_end-delim_FirstName_start)*sizeof(*FirstName->Buffer);
- FirstName->MaximumLength=FirstName->Length;
- FirstName->Buffer=delim_FirstName_start;
-
- RemainingName->Buffer=delim_RemainingName_start;
- RemainingName->Length=(delim_RemainingName_end-delim_RemainingName_start)*sizeof(*RemainingName->Buffer);
- RemainingName->MaximumLength=RemainingName->Length;
- RemainingName->Buffer=delim_RemainingName_start;
-}
-
-
-/**
- * FsRtlAreNamesEqual:
- * @Name1: First filesystem name (FIXME: pathname or basename?) of type #PUNICODE_STRING.
- * Invalid string input is forbidden.
- * @Name2: Second filesystem name (FIXME: pathname or basename?) of type #PUNICODE_STRING.
- * Invalid string input is forbidden.
- * @IgnoreCase: Compare @Name1 and @Name2 case-insensitively?
- * @UpcaseTable:
- * %NULL value is required if @IgnoreCase==%FALSE.
- * TODO: NOT IMPLEMENTED YET.
- *
- * Compare the given filenames if they match according to the specified criteria.
- * FIXME: libcaptive implements this function currently as captive_UnicodeString_compare_insensitive()
- * or captive_UnicodeString_compare(); How are filesystem names specific from regular strings?
- *
- * Returns: %TRUE if @Name1 and @Name2 match.
- */
-BOOLEAN FsRtlAreNamesEqual
- (IN PUNICODE_STRING Name1,IN PUNICODE_STRING Name2,IN BOOLEAN IgnoreCase,IN PWCHAR UpcaseTable OPTIONAL)
-{
- g_return_val_if_fail(captive_validate_UnicodeString(Name1),FALSE);
- g_return_val_if_fail(FsRtlDoesNameContainWildCards(Name1)==FALSE,FALSE);
- g_return_val_if_fail(captive_validate_UnicodeString(Name2),FALSE);
- g_return_val_if_fail(FsRtlDoesNameContainWildCards(Name2)==FALSE,FALSE);
- g_return_val_if_fail(UpcaseTable==NULL,FALSE); /* TODO: NOT IMPLEMENTED YET */
- /* Do not permit passing of 'UpcaseTable' if it would not make any sense.
- * Just a sanity check, it should not harm. Such assertion is not mandatory by W32 doc.
- */
- g_return_val_if_fail((IgnoreCase==FALSE && UpcaseTable==NULL) || IgnoreCase==TRUE,FALSE);
-
- if (IgnoreCase)
- return captive_UnicodeString_compare_insensitive(Name1,Name2);
- else
- return captive_UnicodeString_compare (Name1,Name2);
-}
git://git.jankratochvil.net / captive.git / blobdiff