108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
|
|
* Copyright 2016-2017, 2021 Hugh McMaster
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include "reg.h"
|
|
|
|
int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
|
|
BOOL value_empty, BOOL value_all, BOOL force)
|
|
{
|
|
HKEY key;
|
|
|
|
if (!force)
|
|
{
|
|
BOOL ret;
|
|
|
|
if (value_name || value_empty)
|
|
ret = ask_confirm(STRING_DELETE_VALUE, value_name);
|
|
else if (value_all)
|
|
ret = ask_confirm(STRING_DELETE_VALUEALL, key_name);
|
|
else
|
|
ret = ask_confirm(STRING_DELETE_SUBKEY, key_name);
|
|
|
|
if (!ret)
|
|
{
|
|
output_message(STRING_CANCELLED);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* Delete subtree only if no /v* option is given */
|
|
if (!value_name && !value_empty && !value_all)
|
|
{
|
|
if (RegDeleteTreeW(root, path) != ERROR_SUCCESS)
|
|
{
|
|
output_message(STRING_CANNOT_FIND);
|
|
return 1;
|
|
}
|
|
output_message(STRING_SUCCESS);
|
|
return 0;
|
|
}
|
|
|
|
if (RegOpenKeyW(root, path, &key) != ERROR_SUCCESS)
|
|
{
|
|
output_message(STRING_CANNOT_FIND);
|
|
return 1;
|
|
}
|
|
|
|
if (value_all)
|
|
{
|
|
DWORD max_value_len = 256, value_len;
|
|
WCHAR *value_name;
|
|
LONG rc;
|
|
|
|
value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
|
|
|
|
while (1)
|
|
{
|
|
value_len = max_value_len;
|
|
rc = RegEnumValueW(key, 0, value_name, &value_len, NULL, NULL, NULL, NULL);
|
|
if (rc == ERROR_SUCCESS)
|
|
{
|
|
rc = RegDeleteValueW(key, value_name);
|
|
if (rc != ERROR_SUCCESS)
|
|
{
|
|
heap_free(value_name);
|
|
RegCloseKey(key);
|
|
output_message(STRING_VALUEALL_FAILED, key_name);
|
|
return 1;
|
|
}
|
|
}
|
|
else if (rc == ERROR_MORE_DATA)
|
|
{
|
|
max_value_len *= 2;
|
|
value_name = heap_xrealloc(value_name, max_value_len * sizeof(WCHAR));
|
|
}
|
|
else break;
|
|
}
|
|
heap_free(value_name);
|
|
}
|
|
else if (value_name || value_empty)
|
|
{
|
|
if (RegDeleteValueW(key, value_empty ? NULL : value_name) != ERROR_SUCCESS)
|
|
{
|
|
RegCloseKey(key);
|
|
output_message(STRING_CANNOT_FIND);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
RegCloseKey(key);
|
|
output_message(STRING_SUCCESS);
|
|
return 0;
|
|
}
|