/***********************************************************************
* SearchTreeForFile (DBGHELP.@)
*/
BOOL WINAPI SearchTreeForFile(PCSTR root, PCSTR file, PSTR buffer)
{
WCHAR rootW[MAX_PATH];
WCHAR fileW[MAX_PATH];
WCHAR bufferW[MAX_PATH];
BOOL ret;
MultiByteToWideChar(CP_ACP, 0, root, -1, rootW, MAX_PATH);
MultiByteToWideChar(CP_ACP, 0, file, -1, fileW, MAX_PATH);
ret = SearchTreeForFileW(rootW, fileW, bufferW);
if (ret)
WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, MAX_PATH, NULL, NULL);
return ret;
}
HANDLE
ApsOpenSourceFile(
__in PWSTR SourceFolder,
__in PWSTR SpecifiedPath,
__out PWSTR *RealPath
)
{
HANDLE FileHandle;
size_t Size;
size_t Count;
BOOL Status;
LIST_ENTRY ListHead;
PLIST_ENTRY ListEntry;
PSTRING_ENTRY Entry;
PWSTR Buffer;
WCHAR BaseName[MAX_PATH];
WCHAR ExtentName[16];
*RealPath = NULL;
FileHandle = INVALID_HANDLE_VALUE;
ASSERT(SpecifiedPath != NULL);
ASSERT(RealPath != NULL);
if (!SourceFolder) {
//
// If source folder is not specified, directly open
// the file by given path
//
FileHandle = CreateFile(SpecifiedPath, GENERIC_READ,
FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (FileHandle == INVALID_HANDLE_VALUE) {
return INVALID_HANDLE_VALUE;
}
//
// Duplicate specified string to real path
//
Count = wcslen(SpecifiedPath) + 1;
Size = Count * sizeof(WCHAR);
*RealPath = (PWSTR)ApsMalloc(Size);
wcscpy_s(*RealPath, Count, SpecifiedPath);
return FileHandle;
}
//
// Build source file base name
//
BaseName[0] = 0;
ExtentName[0] = 0;
_wsplitpath(SpecifiedPath, NULL, NULL, BaseName, ExtentName);
if (ExtentName[0] != 0) {
wcscat(BaseName, ExtentName);
}
Buffer = (PWSTR)ApsMalloc(APS_PAGESIZE);
//
// Build source folder list
//
InitializeListHead(&ListHead);
ApsSplitUnicodeString(SourceFolder, L';', &ListHead);
//
// Enum each source folder to scan the file
//
Status = FALSE;
while (IsListEmpty(&ListHead) != TRUE) {
ListEntry = RemoveHeadList(&ListHead);
Entry = CONTAINING_RECORD(ListEntry, STRING_ENTRY, ListEntry);
Status = SearchTreeForFileW((PCWSTR)Entry->Buffer, BaseName, Buffer);
if (Status) {
*RealPath = Buffer;
break;
}
ApsFree(Entry->Buffer);
ApsFree(Entry);
}
//
// Clean other folder strings
//
while (IsListEmpty(&ListHead) != TRUE) {
ListEntry = RemoveHeadList(&ListHead);
Entry = CONTAINING_RECORD(ListEntry, STRING_ENTRY, ListEntry);
ApsFree(Entry->Buffer);
ApsFree(Entry);
}
if (Status) {
//
// Open the source file
//
FileHandle = CreateFile(Buffer, GENERIC_READ,
FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (FileHandle == INVALID_HANDLE_VALUE) {
ApsFree(Buffer);
*RealPath = NULL;
}
}
return FileHandle;
}
