[PATCH 07/11] regedit: Simplify the detection of existing registry values
Hugh McMaster
hugh.mcmaster at outlook.com
Mon May 21 08:34:57 CDT 2018
Signed-off-by: Hugh McMaster <hugh.mcmaster at outlook.com>
---
programs/regedit/edit.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/programs/regedit/edit.c b/programs/regedit/edit.c
index bd6d720f2a..980d1c22d8 100644
--- a/programs/regedit/edit.c
+++ b/programs/regedit/edit.c
@@ -183,12 +183,9 @@ static INT_PTR CALLBACK bin_modify_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wPara
return FALSE;
}
-static BOOL check_value(HWND hwnd, HKEY hKey, LPCWSTR valueName)
+static BOOL value_exists(HWND hwnd, HKEY hKey, const WCHAR *value_name)
{
- WCHAR empty = 0;
- LONG lRet = RegQueryValueExW(hKey, valueName ? valueName : &empty, 0, NULL, 0, NULL);
- if(lRet != ERROR_SUCCESS) return FALSE;
- return TRUE;
+ return !RegQueryValueExW(hKey, value_name ? value_name : NULL, NULL, NULL, NULL, NULL);
}
static LPWSTR read_value(HWND hwnd, HKEY hKey, LPCWSTR valueName, DWORD *lpType, LONG *len)
@@ -507,8 +504,8 @@ BOOL RenameValue(HWND hwnd, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR oldName, LPC
error_code_messagebox(hwnd, IDS_RENAME_VALUE_FAILED);
return FALSE;
}
- /* check if the value already exists */
- if (check_value(hwnd, hKey, newName)) {
+
+ if (value_exists(hwnd, hKey, newName)) {
error_code_messagebox(hwnd, IDS_VALUE_EXISTS, oldName);
goto done;
}
--
2.17.0
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