mirror of
https://github.com/reactos/reactos.git
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4f0b8d3db0
svn path=/branches/ntvdm/; revision=59241
670 lines
21 KiB
C
670 lines
21 KiB
C
/*
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* File path.c - managing path in debugging environments
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*
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* Copyright (C) 2004,2008, Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <config.h>
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//#include <stdlib.h>
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//#include <stdio.h>
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//#include <string.h>
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#include "dbghelp_private.h"
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//#include "winnls.h"
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#include <winternl.h>
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#include <wine/debug.h>
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
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static inline BOOL is_sep(char ch) {return ch == '/' || ch == '\\';}
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static inline BOOL is_sepW(WCHAR ch) {return ch == '/' || ch == '\\';}
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static inline const char* file_name(const char* str)
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{
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const char* p;
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for (p = str + strlen(str) - 1; p >= str && !is_sep(*p); p--);
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return p + 1;
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}
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static inline const WCHAR* file_nameW(const WCHAR* str)
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{
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const WCHAR* p;
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for (p = str + strlenW(str) - 1; p >= str && !is_sepW(*p); p--);
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return p + 1;
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}
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/******************************************************************
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* FindDebugInfoFile (DBGHELP.@)
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*
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*/
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HANDLE WINAPI FindDebugInfoFile(PCSTR FileName, PCSTR SymbolPath, PSTR DebugFilePath)
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{
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HANDLE h;
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h = CreateFileA(FileName, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (h == INVALID_HANDLE_VALUE)
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{
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if (!SearchPathA(SymbolPath, file_name(FileName), NULL, MAX_PATH, DebugFilePath, NULL))
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return NULL;
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h = CreateFileA(DebugFilePath, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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}
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return (h == INVALID_HANDLE_VALUE) ? NULL : h;
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}
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/******************************************************************
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* FindDebugInfoFileEx (DBGHELP.@)
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*
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*/
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HANDLE WINAPI FindDebugInfoFileEx(PCSTR FileName, PCSTR SymbolPath,
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PSTR DebugFilePath,
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PFIND_DEBUG_FILE_CALLBACK Callback,
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PVOID CallerData)
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{
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FIXME("(%s %s %s %p %p): stub\n", debugstr_a(FileName), debugstr_a(SymbolPath),
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debugstr_a(DebugFilePath), Callback, CallerData);
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return NULL;
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}
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/******************************************************************
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* FindExecutableImageExW (DBGHELP.@)
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*
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*/
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HANDLE WINAPI FindExecutableImageExW(PCWSTR FileName, PCWSTR SymbolPath, PWSTR ImageFilePath,
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PFIND_EXE_FILE_CALLBACKW Callback, PVOID user)
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{
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HANDLE h;
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if (Callback) FIXME("Unsupported callback yet\n");
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if (!SearchPathW(SymbolPath, FileName, NULL, MAX_PATH, ImageFilePath, NULL))
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return NULL;
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h = CreateFileW(ImageFilePath, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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return (h == INVALID_HANDLE_VALUE) ? NULL : h;
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}
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/******************************************************************
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* FindExecutableImageEx (DBGHELP.@)
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*
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*/
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HANDLE WINAPI FindExecutableImageEx(PCSTR FileName, PCSTR SymbolPath, PSTR ImageFilePath,
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PFIND_EXE_FILE_CALLBACK Callback, PVOID user)
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{
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HANDLE h;
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if (Callback) FIXME("Unsupported callback yet\n");
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if (!SearchPathA(SymbolPath, FileName, NULL, MAX_PATH, ImageFilePath, NULL))
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return NULL;
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h = CreateFileA(ImageFilePath, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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return (h == INVALID_HANDLE_VALUE) ? NULL : h;
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}
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/******************************************************************
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* FindExecutableImage (DBGHELP.@)
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*
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*/
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HANDLE WINAPI FindExecutableImage(PCSTR FileName, PCSTR SymbolPath, PSTR ImageFilePath)
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{
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return FindExecutableImageEx(FileName, SymbolPath, ImageFilePath, NULL, NULL);
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}
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/***********************************************************************
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* MakeSureDirectoryPathExists (DBGHELP.@)
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*/
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BOOL WINAPI MakeSureDirectoryPathExists(PCSTR DirPath)
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{
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char path[MAX_PATH];
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const char *p = DirPath;
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int n;
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if (p[0] && p[1] == ':') p += 2;
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while (*p == '\\') p++; /* skip drive root */
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while ((p = strchr(p, '\\')) != NULL)
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{
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n = p - DirPath + 1;
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memcpy(path, DirPath, n);
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path[n] = '\0';
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if( !CreateDirectoryA(path, NULL) &&
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(GetLastError() != ERROR_ALREADY_EXISTS))
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return FALSE;
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p++;
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}
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if (GetLastError() == ERROR_ALREADY_EXISTS)
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SetLastError(ERROR_SUCCESS);
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return TRUE;
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}
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/******************************************************************
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* SymMatchFileNameW (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymMatchFileNameW(PCWSTR file, PCWSTR match,
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PWSTR* filestop, PWSTR* matchstop)
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{
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PCWSTR fptr;
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PCWSTR mptr;
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TRACE("(%s %s %p %p)\n",
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debugstr_w(file), debugstr_w(match), filestop, matchstop);
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fptr = file + strlenW(file) - 1;
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mptr = match + strlenW(match) - 1;
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while (fptr >= file && mptr >= match)
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{
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if (toupperW(*fptr) != toupperW(*mptr) && !(is_sepW(*fptr) && is_sepW(*mptr)))
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break;
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fptr--; mptr--;
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}
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if (filestop) *filestop = (PWSTR)fptr;
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if (matchstop) *matchstop = (PWSTR)mptr;
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return mptr == match - 1;
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}
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/******************************************************************
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* SymMatchFileName (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymMatchFileName(PCSTR file, PCSTR match,
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PSTR* filestop, PSTR* matchstop)
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{
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PCSTR fptr;
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PCSTR mptr;
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TRACE("(%s %s %p %p)\n", debugstr_a(file), debugstr_a(match), filestop, matchstop);
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fptr = file + strlen(file) - 1;
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mptr = match + strlen(match) - 1;
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while (fptr >= file && mptr >= match)
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{
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if (toupper(*fptr) != toupper(*mptr) && !(is_sep(*fptr) && is_sep(*mptr)))
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break;
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fptr--; mptr--;
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}
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if (filestop) *filestop = (PSTR)fptr;
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if (matchstop) *matchstop = (PSTR)mptr;
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return mptr == match - 1;
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}
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static BOOL do_searchW(PCWSTR file, PWSTR buffer, BOOL recurse,
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PENUMDIRTREE_CALLBACKW cb, PVOID user)
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{
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HANDLE h;
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WIN32_FIND_DATAW fd;
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unsigned pos;
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BOOL found = FALSE;
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static const WCHAR S_AllW[] = {'*','.','*','\0'};
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static const WCHAR S_DotW[] = {'.','\0'};
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static const WCHAR S_DotDotW[] = {'.','.','\0'};
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pos = strlenW(buffer);
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if (buffer[pos - 1] != '\\') buffer[pos++] = '\\';
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strcpyW(buffer + pos, S_AllW);
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if ((h = FindFirstFileW(buffer, &fd)) == INVALID_HANDLE_VALUE)
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return FALSE;
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/* doc doesn't specify how the tree is enumerated...
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* doing a depth first based on, but may be wrong
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*/
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do
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{
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if (!strcmpW(fd.cFileName, S_DotW) || !strcmpW(fd.cFileName, S_DotDotW)) continue;
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strcpyW(buffer + pos, fd.cFileName);
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if (recurse && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
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found = do_searchW(file, buffer, TRUE, cb, user);
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else if (SymMatchFileNameW(buffer, file, NULL, NULL))
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{
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if (!cb || cb(buffer, user)) found = TRUE;
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}
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} while (!found && FindNextFileW(h, &fd));
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if (!found) buffer[--pos] = '\0';
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FindClose(h);
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return found;
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}
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/***********************************************************************
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* SearchTreeForFileW (DBGHELP.@)
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*/
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BOOL WINAPI SearchTreeForFileW(PCWSTR root, PCWSTR file, PWSTR buffer)
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{
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TRACE("(%s, %s, %p)\n",
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debugstr_w(root), debugstr_w(file), buffer);
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strcpyW(buffer, root);
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return do_searchW(file, buffer, TRUE, NULL, NULL);
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}
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/***********************************************************************
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* SearchTreeForFile (DBGHELP.@)
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*/
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BOOL WINAPI SearchTreeForFile(PCSTR root, PCSTR file, PSTR buffer)
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{
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WCHAR rootW[MAX_PATH];
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WCHAR fileW[MAX_PATH];
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WCHAR bufferW[MAX_PATH];
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BOOL ret;
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MultiByteToWideChar(CP_ACP, 0, root, -1, rootW, MAX_PATH);
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MultiByteToWideChar(CP_ACP, 0, file, -1, fileW, MAX_PATH);
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ret = SearchTreeForFileW(rootW, fileW, bufferW);
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if (ret)
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WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, MAX_PATH, NULL, NULL);
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return ret;
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}
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/******************************************************************
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* EnumDirTreeW (DBGHELP.@)
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*
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*
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*/
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BOOL WINAPI EnumDirTreeW(HANDLE hProcess, PCWSTR root, PCWSTR file,
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PWSTR buffer, PENUMDIRTREE_CALLBACKW cb, PVOID user)
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{
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TRACE("(%p %s %s %p %p %p)\n",
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hProcess, debugstr_w(root), debugstr_w(file), buffer, cb, user);
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strcpyW(buffer, root);
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return do_searchW(file, buffer, TRUE, cb, user);
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}
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/******************************************************************
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* EnumDirTree (DBGHELP.@)
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*
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*
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*/
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struct enum_dir_treeWA
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{
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PENUMDIRTREE_CALLBACK cb;
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void* user;
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char name[MAX_PATH];
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};
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static BOOL CALLBACK enum_dir_treeWA(PCWSTR name, PVOID user)
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{
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struct enum_dir_treeWA* edt = user;
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WideCharToMultiByte(CP_ACP, 0, name, -1, edt->name, MAX_PATH, NULL, NULL);
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return edt->cb(edt->name, edt->user);
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}
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BOOL WINAPI EnumDirTree(HANDLE hProcess, PCSTR root, PCSTR file,
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PSTR buffer, PENUMDIRTREE_CALLBACK cb, PVOID user)
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{
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WCHAR rootW[MAX_PATH];
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WCHAR fileW[MAX_PATH];
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WCHAR bufferW[MAX_PATH];
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struct enum_dir_treeWA edt;
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BOOL ret;
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edt.cb = cb;
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edt.user = user;
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MultiByteToWideChar(CP_ACP, 0, root, -1, rootW, MAX_PATH);
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MultiByteToWideChar(CP_ACP, 0, file, -1, fileW, MAX_PATH);
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if ((ret = EnumDirTreeW(hProcess, rootW, fileW, bufferW, enum_dir_treeWA, &edt)))
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WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, MAX_PATH, NULL, NULL);
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return ret;
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}
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struct sffip
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{
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PFINDFILEINPATHCALLBACKW cb;
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void* user;
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};
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/* checks that buffer (as found by matching the name) matches the info
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* (information is based on file type)
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* returns TRUE when file is found, FALSE to continue searching
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* (NB this is the opposite convention of SymFindFileInPathProc)
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*/
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static BOOL CALLBACK sffip_cb(PCWSTR buffer, PVOID user)
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{
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struct sffip* s = user;
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if (!s->cb) return TRUE;
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/* yes, EnumDirTree/do_search and SymFindFileInPath callbacks use the opposite
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* convention to stop/continue enumeration. sigh.
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*/
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return !(s->cb)(buffer, s->user);
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}
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/******************************************************************
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* SymFindFileInPathW (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymFindFileInPathW(HANDLE hProcess, PCWSTR searchPath, PCWSTR full_path,
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PVOID id, DWORD two, DWORD three, DWORD flags,
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PWSTR buffer, PFINDFILEINPATHCALLBACKW cb,
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PVOID user)
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{
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struct sffip s;
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struct process* pcs = process_find_by_handle(hProcess);
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WCHAR tmp[MAX_PATH];
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WCHAR* ptr;
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const WCHAR* filename;
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TRACE("(hProcess = %p, searchPath = %s, full_path = %s, id = %p, two = 0x%08x, three = 0x%08x, flags = 0x%08x, buffer = %p, cb = %p, user = %p)\n",
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hProcess, debugstr_w(searchPath), debugstr_w(full_path),
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id, two, three, flags, buffer, cb, user);
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if (!pcs) return FALSE;
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if (!searchPath) searchPath = pcs->search_path;
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s.cb = cb;
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s.user = user;
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filename = file_nameW(full_path);
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/* first check full path to file */
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if (sffip_cb(full_path, &s))
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{
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strcpyW(buffer, full_path);
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return TRUE;
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}
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while (searchPath)
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{
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ptr = strchrW(searchPath, ';');
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if (ptr)
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{
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memcpy(tmp, searchPath, (ptr - searchPath) * sizeof(WCHAR));
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tmp[ptr - searchPath] = 0;
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searchPath = ptr + 1;
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}
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else
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{
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strcpyW(tmp, searchPath);
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searchPath = NULL;
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}
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if (do_searchW(filename, tmp, FALSE, sffip_cb, &s))
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{
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strcpyW(buffer, tmp);
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return TRUE;
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}
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}
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return FALSE;
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}
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/******************************************************************
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* SymFindFileInPath (DBGHELP.@)
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*
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*/
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BOOL WINAPI SymFindFileInPath(HANDLE hProcess, PCSTR searchPath, PCSTR full_path,
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PVOID id, DWORD two, DWORD three, DWORD flags,
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PSTR buffer, PFINDFILEINPATHCALLBACK cb,
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PVOID user)
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{
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WCHAR searchPathW[MAX_PATH];
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WCHAR full_pathW[MAX_PATH];
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WCHAR bufferW[MAX_PATH];
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struct enum_dir_treeWA edt;
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BOOL ret;
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/* a PFINDFILEINPATHCALLBACK and a PENUMDIRTREE_CALLBACK have actually the
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* same signature & semantics, hence we can reuse the EnumDirTree W->A
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* conversion helper
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*/
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edt.cb = cb;
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edt.user = user;
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if (searchPath)
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MultiByteToWideChar(CP_ACP, 0, searchPath, -1, searchPathW, MAX_PATH);
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MultiByteToWideChar(CP_ACP, 0, full_path, -1, full_pathW, MAX_PATH);
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if ((ret = SymFindFileInPathW(hProcess, searchPath ? searchPathW : NULL, full_pathW,
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id, two, three, flags,
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bufferW, enum_dir_treeWA, &edt)))
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WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, MAX_PATH, NULL, NULL);
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return ret;
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}
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struct module_find
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{
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enum module_type kind;
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/* pe: dw1 DWORD:timestamp
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* dw2 size of image (from PE header)
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* pdb: guid PDB guid (if DS PDB file)
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* or dw1 PDB timestamp (if JG PDB file)
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* dw2 PDB age
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* elf: dw1 DWORD:CRC 32 of ELF image (Wine only)
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*/
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const GUID* guid;
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DWORD dw1;
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DWORD dw2;
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WCHAR filename[MAX_PATH];
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unsigned matched;
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};
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/* checks that buffer (as found by matching the name) matches the info
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* (information is based on file type)
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* returns TRUE when file is found, FALSE to continue searching
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* (NB this is the opposite convention of SymFindFileInPathProc)
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*/
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static BOOL CALLBACK module_find_cb(PCWSTR buffer, PVOID user)
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{
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struct module_find* mf = user;
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DWORD size, checksum, timestamp;
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unsigned matched = 0;
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/* the matching weights:
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* +1 if a file with same name is found and is a decent file of expected type
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* +1 if first parameter and second parameter match
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*/
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/* FIXME: should check that id/two match the file pointed
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* by buffer
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*/
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switch (mf->kind)
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{
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case DMT_PE:
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{
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HANDLE hFile, hMap;
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void* mapping;
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timestamp = ~mf->dw1;
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size = ~mf->dw2;
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hFile = CreateFileW(buffer, GENERIC_READ, FILE_SHARE_READ, NULL,
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OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (hFile == INVALID_HANDLE_VALUE) return FALSE;
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if ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != NULL)
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{
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if ((mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL)
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{
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IMAGE_NT_HEADERS* nth = RtlImageNtHeader(mapping);
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matched++;
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timestamp = nth->FileHeader.TimeDateStamp;
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size = nth->OptionalHeader.SizeOfImage;
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UnmapViewOfFile(mapping);
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}
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CloseHandle(hMap);
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}
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CloseHandle(hFile);
|
|
if (timestamp != mf->dw1)
|
|
WARN("Found %s, but wrong timestamp\n", debugstr_w(buffer));
|
|
if (size != mf->dw2)
|
|
WARN("Found %s, but wrong size\n", debugstr_w(buffer));
|
|
if (timestamp == mf->dw1 && size == mf->dw2) matched++;
|
|
}
|
|
break;
|
|
case DMT_ELF:
|
|
if (elf_fetch_file_info(buffer, 0, &size, &checksum))
|
|
{
|
|
matched++;
|
|
if (checksum == mf->dw1) matched++;
|
|
else
|
|
WARN("Found %s, but wrong checksums: %08x %08x\n",
|
|
debugstr_w(buffer), checksum, mf->dw1);
|
|
}
|
|
else
|
|
{
|
|
WARN("Couldn't read %s\n", debugstr_w(buffer));
|
|
return FALSE;
|
|
}
|
|
break;
|
|
case DMT_MACHO:
|
|
if (macho_fetch_file_info(buffer, 0, &size, &checksum))
|
|
{
|
|
matched++;
|
|
if (checksum == mf->dw1) matched++;
|
|
else
|
|
WARN("Found %s, but wrong checksums: %08x %08x\n",
|
|
debugstr_w(buffer), checksum, mf->dw1);
|
|
}
|
|
else
|
|
{
|
|
WARN("Couldn't read %s\n", debugstr_w(buffer));
|
|
return FALSE;
|
|
}
|
|
break;
|
|
case DMT_PDB:
|
|
{
|
|
struct pdb_lookup pdb_lookup;
|
|
char fn[MAX_PATH];
|
|
|
|
WideCharToMultiByte(CP_ACP, 0, buffer, -1, fn, MAX_PATH, NULL, NULL);
|
|
pdb_lookup.filename = fn;
|
|
|
|
if (mf->guid)
|
|
{
|
|
pdb_lookup.kind = PDB_DS;
|
|
pdb_lookup.timestamp = 0;
|
|
pdb_lookup.guid = *mf->guid;
|
|
}
|
|
else
|
|
{
|
|
pdb_lookup.kind = PDB_JG;
|
|
pdb_lookup.timestamp = mf->dw1;
|
|
/* pdb_loopkup.guid = */
|
|
}
|
|
pdb_lookup.age = mf->dw2;
|
|
|
|
if (!pdb_fetch_file_info(&pdb_lookup, &matched)) return FALSE;
|
|
}
|
|
break;
|
|
case DMT_DBG:
|
|
{
|
|
HANDLE hFile, hMap;
|
|
void* mapping;
|
|
|
|
timestamp = ~mf->dw1;
|
|
hFile = CreateFileW(buffer, GENERIC_READ, FILE_SHARE_READ, NULL,
|
|
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
if (hFile == INVALID_HANDLE_VALUE) return FALSE;
|
|
if ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != NULL)
|
|
{
|
|
if ((mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL)
|
|
{
|
|
const IMAGE_SEPARATE_DEBUG_HEADER* hdr;
|
|
hdr = mapping;
|
|
|
|
if (hdr->Signature == IMAGE_SEPARATE_DEBUG_SIGNATURE)
|
|
{
|
|
matched++;
|
|
timestamp = hdr->TimeDateStamp;
|
|
}
|
|
UnmapViewOfFile(mapping);
|
|
}
|
|
CloseHandle(hMap);
|
|
}
|
|
CloseHandle(hFile);
|
|
if (timestamp == mf->dw1) matched++;
|
|
else WARN("Found %s, but wrong timestamp\n", debugstr_w(buffer));
|
|
}
|
|
break;
|
|
default:
|
|
FIXME("What the heck??\n");
|
|
return FALSE;
|
|
}
|
|
if (matched > mf->matched)
|
|
{
|
|
strcpyW(mf->filename, buffer);
|
|
mf->matched = matched;
|
|
}
|
|
/* yes, EnumDirTree/do_search and SymFindFileInPath callbacks use the opposite
|
|
* convention to stop/continue enumeration. sigh.
|
|
*/
|
|
return mf->matched == 2;
|
|
}
|
|
|
|
BOOL path_find_symbol_file(const struct process* pcs, PCSTR full_path,
|
|
const GUID* guid, DWORD dw1, DWORD dw2, PSTR buffer,
|
|
BOOL* is_unmatched)
|
|
{
|
|
struct module_find mf;
|
|
WCHAR full_pathW[MAX_PATH];
|
|
WCHAR tmp[MAX_PATH];
|
|
WCHAR* ptr;
|
|
const WCHAR* filename;
|
|
WCHAR* searchPath = pcs->search_path;
|
|
|
|
TRACE("(pcs = %p, full_path = %s, guid = %s, dw1 = 0x%08x, dw2 = 0x%08x, buffer = %p)\n",
|
|
pcs, debugstr_a(full_path), debugstr_guid(guid), dw1, dw2, buffer);
|
|
|
|
mf.guid = guid;
|
|
mf.dw1 = dw1;
|
|
mf.dw2 = dw2;
|
|
mf.matched = 0;
|
|
|
|
MultiByteToWideChar(CP_ACP, 0, full_path, -1, full_pathW, MAX_PATH);
|
|
filename = file_nameW(full_pathW);
|
|
mf.kind = module_get_type_by_name(filename);
|
|
*is_unmatched = FALSE;
|
|
|
|
/* first check full path to file */
|
|
if (module_find_cb(full_pathW, &mf))
|
|
{
|
|
WideCharToMultiByte(CP_ACP, 0, full_pathW, -1, buffer, MAX_PATH, NULL, NULL);
|
|
return TRUE;
|
|
}
|
|
|
|
while (searchPath)
|
|
{
|
|
ptr = strchrW(searchPath, ';');
|
|
if (ptr)
|
|
{
|
|
memcpy(tmp, searchPath, (ptr - searchPath) * sizeof(WCHAR));
|
|
tmp[ptr - searchPath] = '\0';
|
|
searchPath = ptr + 1;
|
|
}
|
|
else
|
|
{
|
|
strcpyW(tmp, searchPath);
|
|
searchPath = NULL;
|
|
}
|
|
if (do_searchW(filename, tmp, FALSE, module_find_cb, &mf))
|
|
{
|
|
/* return first fully matched file */
|
|
WideCharToMultiByte(CP_ACP, 0, tmp, -1, buffer, MAX_PATH, NULL, NULL);
|
|
return TRUE;
|
|
}
|
|
}
|
|
/* if no fully matching file is found, return the best matching file if any */
|
|
if ((dbghelp_options & SYMOPT_LOAD_ANYTHING) && mf.matched)
|
|
{
|
|
WideCharToMultiByte(CP_ACP, 0, mf.filename, -1, buffer, MAX_PATH, NULL, NULL);
|
|
*is_unmatched = TRUE;
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|