Source code of Windows XP (NT5)
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108 lines
2.3 KiB

/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
delnode.c
Abstract:
Delnode routine for Setup.
WARNING: the delnode routine in here is not multi-thread safe!
Author:
Ted Miller (tedm) August 1992
--*/
#include "precomp.h"
#pragma hdrstop
//
// Put these out here so we don't consume huge stack space as we recurse.
//
TCHAR DelnodePattern[MAX_PATH];
WIN32_FIND_DATA DelnodeFindData;
VOID
DelnodeRoutine(
VOID
)
{
LPTSTR PatternEnd;
HANDLE FindHandle;
//
// Delete each file in the directory, then remove the directory itself.
// If any directories are encountered along the way recurse to delete
// them as they are encountered.
//
PatternEnd = DelnodePattern+lstrlen(DelnodePattern);
lstrcat(DelnodePattern,TEXT("\\*"));
FindHandle = FindFirstFile(DelnodePattern,&DelnodeFindData);
if(FindHandle != INVALID_HANDLE_VALUE) {
do {
//
// Form the full name of the file we just found.
//
lstrcpy(PatternEnd+1,DelnodeFindData.cFileName);
if(DelnodeFindData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
//
// The current match is a directory. Recurse into it unless
// it's . or ...
//
if(lstrcmp(DelnodeFindData.cFileName,TEXT("." ))
&& lstrcmp(DelnodeFindData.cFileName,TEXT("..")))
{
DelnodeRoutine();
}
} else {
//
// The current match is not a directory -- so delete it.
//
SetFileAttributes(DelnodePattern,FILE_ATTRIBUTE_NORMAL);
DeleteFile(DelnodePattern);
}
*(PatternEnd+1) = 0;
} while(FindNextFile(FindHandle,&DelnodeFindData));
FindClose(FindHandle);
}
//
// Remove the directory we just emptied out.
//
*PatternEnd = 0;
SetFileAttributes(DelnodePattern,FILE_ATTRIBUTE_NORMAL);
RemoveDirectory(DelnodePattern);
//
// Note that the 'directory' might actually be a file.
// Catch that case here.
//
DeleteFile(DelnodePattern);
}
VOID
MyDelnode(
IN LPCTSTR Directory
)
{
lstrcpy(DelnodePattern,Directory);
DelnodeRoutine();
}