85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
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Copyright 1991-2015 Amebis
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This file is part of libatl.
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Setup is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Setup 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Setup. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Security.h>
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BOOLEAN GetUserNameExA(__in EXTENDED_NAME_FORMAT NameFormat, __out ATL::CAtlStringA &sName)
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{
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ULONG ulSize = 0;
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// Query the final string length first.
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if (!::GetUserNameExA(NameFormat, NULL, &ulSize)) {
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if (::GetLastError() == ERROR_MORE_DATA) {
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// Prepare the buffer and retry.
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LPSTR szBuffer = sName.GetBuffer(ulSize - 1);
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if (!szBuffer) {
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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if (::GetUserNameExA(NameFormat, szBuffer, &ulSize)) {
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sName.ReleaseBuffer(ulSize);
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return TRUE;
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} else {
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sName.ReleaseBuffer(0);
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return FALSE;
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}
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} else {
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// Return error.
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return FALSE;
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}
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} else {
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// The result is empty.
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sName.Empty();
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return NO_ERROR;
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}
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}
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BOOLEAN GetUserNameExW(__in EXTENDED_NAME_FORMAT NameFormat, __out ATL::CAtlStringW &sName)
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{
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ULONG ulSize = 0;
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// Query the final string length first.
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if (!::GetUserNameExW(NameFormat, NULL, &ulSize)) {
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if (::GetLastError() == ERROR_MORE_DATA) {
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// Prepare the buffer and retry.
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LPWSTR szBuffer = sName.GetBuffer(ulSize - 1);
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if (!szBuffer) {
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SetLastError(ERROR_OUTOFMEMORY);
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return FALSE;
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}
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if (::GetUserNameExW(NameFormat, szBuffer, &ulSize)) {
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sName.ReleaseBuffer(ulSize);
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return TRUE;
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} else {
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sName.ReleaseBuffer(0);
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return FALSE;
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}
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} else {
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// Return error.
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return FALSE;
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}
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} else {
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// The result is empty.
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sName.Empty();
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return NO_ERROR;
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}
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}
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