[PATCH 3/7] reg: Output a list of subkeys when querying a registry key
Hugh McMaster
hugh.mcmaster at outlook.com
Thu Apr 21 06:45:33 CDT 2016
Signed-off-by: Hugh McMaster <hugh.mcmaster at outlook.com>
---
programs/reg/reg.c | 27 +++++++++++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/programs/reg/reg.c b/programs/reg/reg.c
index 48e61bc..13e3b77 100644
--- a/programs/reg/reg.c
+++ b/programs/reg/reg.c
@@ -540,14 +540,16 @@ static int reg_delete(WCHAR *key_name, WCHAR *value_name, BOOL value_empty,
static int query_all(HKEY key, WCHAR *path)
{
LONG rc;
+ DWORD num_subkeys, max_subkey_len, subkey_len;
DWORD num_values, max_value_len, value_len;
DWORD i;
WCHAR fmt[] = {'%','1','\n',0};
WCHAR fmt_value[] = {' ',' ',' ',' ','%','1',0};
- WCHAR *value_name;
+ WCHAR fmt_path[] = {'%','1','\\','%','2','\n',0};
+ WCHAR *value_name, *subkey_name;
WCHAR newlineW[] = {'\n',0};
- rc = RegQueryInfoKeyW(key, NULL, NULL, NULL, NULL, NULL, NULL,
+ rc = RegQueryInfoKeyW(key, NULL, NULL, NULL, &num_subkeys, &max_subkey_len, NULL,
&num_values, &max_value_len, NULL, NULL, NULL);
if (rc)
{
@@ -581,6 +583,27 @@ static int query_all(HKEY key, WCHAR *path)
if (num_values)
output_string(newlineW);
+ max_subkey_len++;
+ subkey_name = HeapAlloc(GetProcessHeap(), 0, max_subkey_len * sizeof(WCHAR));
+ if (!subkey_name)
+ {
+ ERR("Failed to allocate memory for subkey_name\n");
+ return 1;
+ }
+
+ for (i = 0; i < num_subkeys; i++)
+ {
+ subkey_len = max_subkey_len;
+ rc = RegEnumKeyExW(key, i, subkey_name, &subkey_len, NULL, NULL, NULL, NULL);
+ if (rc == ERROR_SUCCESS)
+ output_string(fmt_path, path, subkey_name);
+ }
+
+ HeapFree(GetProcessHeap(), 0, subkey_name);
+
+ if (num_subkeys)
+ output_string(newlineW);
+
return 0;
}
--
1.9.1
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