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Functions4U: Stronger DirectoryExistsX connects network folder if exists but is not connected

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git-svn-id: svn://ultimatepp.org/upp/trunk@10796 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
koldo 2017-01-29 15:17:37 +00:00
parent 1f75eb8c4e
commit ef5800a916
3 changed files with 396 additions and 358 deletions
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35
bazaar/Functions4U/Functions4U.cpp
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@ -249,9 +249,38 @@ bool DirectoryExistsX_Each(const char *name) {
if(name[0] && name[1] == ':' && name[2] == '\\' && name[3] == 0 &&
GetDriveType(name) != DRIVE_NO_ROOT_DIR)
return true;
DWORD dwAttrib = GetFileAttributes(ToSystemCharset(name));
return (dwAttrib != INVALID_FILE_ATTRIBUTES &&
(dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
DWORD res = GetFileAttributes(ToSystemCharset(name));
if (!(res & FILE_ATTRIBUTE_DIRECTORY))
return false;
if (res != INVALID_FILE_ATTRIBUTES)
return true;
if (!(name[0] && name[1] == ':'))
return false;
if (!(ERROR_PATH_NOT_FOUND == GetLastError()))
return false;
String localName = String(name, 2);
char remoteName[256];
DWORD lenRemoteName = sizeof(remoteName);
res = WNetGetConnection(localName, remoteName, &lenRemoteName);
if (res != ERROR_CONNECTION_UNAVAIL)
return false;
NETRESOURCE nr;
memset(&nr, 0, sizeof(NETRESOURCE));
nr.dwType = RESOURCETYPE_DISK;
nr.lpLocalName = (char *)localName.Begin();
nr.lpRemoteName = remoteName;
nr.lpProvider = NULL;
DWORD dwFlags = CONNECT_UPDATE_PROFILE;
res = WNetAddConnection2(&nr, NULL, NULL, dwFlags);
if (res != NO_ERROR)
return false;
res = GetFileAttributes(ToSystemCharset(name));
return (res != INVALID_FILE_ATTRIBUTES &&
(res & FILE_ATTRIBUTE_DIRECTORY));
#else
FindFile ff(name);
return ff && ff.IsDirectory();