regedit: Read registry value information before exporting.
Signed-off-by: Hugh McMaster <hugh.mcmaster@outlook.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hugh McMaster
Alexandre Julliard
parent
efe3bc87e7
commit
c189effeb3
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@ -1092,26 +1092,6 @@ static void REGPROC_resize_char_buffer(WCHAR **buffer, DWORD *len, DWORD require
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}
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}
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/******************************************************************************
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* Same as REGPROC_resize_char_buffer() but on a regular buffer.
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*
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* Parameters:
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* buffer - pointer to a buffer
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* len - current size of the buffer in bytes
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* required_size - size of the data to place in the buffer in bytes
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*/
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static void REGPROC_resize_binary_buffer(BYTE **buffer, DWORD *size, DWORD required_size)
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{
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if (required_size > *size) {
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*size = required_size;
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if (!*buffer)
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*buffer = HeapAlloc(GetProcessHeap(), 0, *size);
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else
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*buffer = HeapReAlloc(GetProcessHeap(), 0, *buffer, *size);
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CHECK_ENOUGH_MEMORY(*buffer);
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}
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}
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/******************************************************************************
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* Prints string str to file
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*/
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@ -1261,69 +1241,21 @@ static void REGPROC_write_line(FILE *file, const WCHAR* str, BOOL unicode)
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* Is resized if necessary.
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* val_size - size of the buffer for storing values in bytes.
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*/
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static void export_hkey(FILE *file, HKEY key,
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WCHAR **reg_key_name_buf, DWORD *reg_key_name_size,
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WCHAR **val_name_buf, DWORD *val_name_size,
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BYTE **val_buf, DWORD *val_size,
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WCHAR **line_buf, DWORD *line_buf_size,
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BOOL unicode)
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static void export_hkey(FILE *file, WCHAR **val_name_buf, DWORD *val_name_size,
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DWORD value_type, BYTE **val_buf, DWORD *val_size,
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WCHAR **line_buf, DWORD *line_buf_size, BOOL unicode)
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{
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DWORD max_sub_key_len;
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DWORD max_val_name_len;
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DWORD max_val_size;
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DWORD curr_len;
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DWORD i;
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LONG ret;
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WCHAR key_format[] = {'\r','\n','[','%','s',']','\r','\n',0};
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DWORD line_len = 0;
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DWORD val_size1 = *val_size;
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/* get size information and resize the buffers if necessary */
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if (RegQueryInfoKeyW(key, NULL, NULL, NULL, NULL,
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&max_sub_key_len, NULL,
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NULL, &max_val_name_len, &max_val_size, NULL, NULL
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) != ERROR_SUCCESS)
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return;
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curr_len = strlenW(*reg_key_name_buf);
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REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_size,
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max_sub_key_len + curr_len + 1);
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REGPROC_resize_char_buffer(val_name_buf, val_name_size,
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max_val_name_len);
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REGPROC_resize_binary_buffer(val_buf, val_size, max_val_size);
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REGPROC_resize_char_buffer(line_buf, line_buf_size, lstrlenW(*reg_key_name_buf) + 4);
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/* output data for the current key */
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sprintfW(*line_buf, key_format, *reg_key_name_buf);
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REGPROC_write_line(file, *line_buf, unicode);
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/* print all the values */
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i = 0;
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for (;;) {
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DWORD value_type;
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DWORD val_name_size1 = *val_name_size;
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DWORD val_size1 = *val_size;
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ret = RegEnumValueW(key, i, *val_name_buf, &val_name_size1, NULL,
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&value_type, *val_buf, &val_size1);
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if (ret == ERROR_MORE_DATA) {
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/* Increase the size of the buffers and retry */
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REGPROC_resize_char_buffer(val_name_buf, val_name_size, val_name_size1);
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REGPROC_resize_binary_buffer(val_buf, val_size, val_size1);
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} else if (ret == ERROR_SUCCESS) {
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DWORD line_len;
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i++;
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if ((*val_name_buf)[0]) {
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if (*val_name_buf && (*val_name_buf)[0]) {
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const WCHAR val_start[] = {'"','%','s','"','=',0};
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line_len = 0;
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REGPROC_export_string(line_buf, line_buf_size, &line_len, *val_name_buf, lstrlenW(*val_name_buf));
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REGPROC_resize_char_buffer(val_name_buf, val_name_size, lstrlenW(*line_buf) + 1);
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lstrcpyW(*val_name_buf, *line_buf);
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line_len = 3 + lstrlenW(*val_name_buf);
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REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len);
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sprintfW(*line_buf, val_start, *val_name_buf);
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line_len = sprintfW(*line_buf, val_start, *val_name_buf);
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} else {
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const WCHAR std_val[] = {'@','=',0};
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line_len = 2;
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REGPROC_resize_char_buffer(line_buf, line_buf_size, line_len);
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lstrcpyW(*line_buf, std_val);
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}
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@ -1370,36 +1302,6 @@ static void export_hkey(FILE *file, HKEY key,
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REGPROC_export_binary(line_buf, line_buf_size, &line_len, value_type, *val_buf, val_size1, unicode);
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}
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REGPROC_write_line(file, *line_buf, unicode);
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}
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else break;
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}
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i = 0;
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(*reg_key_name_buf)[curr_len] = '\\';
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for (;;) {
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DWORD buf_size = *reg_key_name_size - curr_len - 1;
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ret = RegEnumKeyExW(key, i, *reg_key_name_buf + curr_len + 1, &buf_size,
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NULL, NULL, NULL, NULL);
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if (ret == ERROR_MORE_DATA) {
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/* Increase the size of the buffer and retry */
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REGPROC_resize_char_buffer(reg_key_name_buf, reg_key_name_size, curr_len + 1 + buf_size);
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} else if (ret == ERROR_SUCCESS) {
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HKEY subkey;
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i++;
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if (RegOpenKeyW(key, *reg_key_name_buf + curr_len + 1,
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&subkey) == ERROR_SUCCESS) {
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export_hkey(file, subkey, reg_key_name_buf, reg_key_name_size,
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val_name_buf, val_name_size, val_buf, val_size,
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line_buf, line_buf_size, unicode);
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RegCloseKey(subkey);
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}
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else break;
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}
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else break;
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}
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(*reg_key_name_buf)[curr_len] = '\0';
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}
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/******************************************************************************
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@ -1473,31 +1375,107 @@ void delete_registry_key(WCHAR *reg_key_name)
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RegDeleteTreeW(key_class, key_name);
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}
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static WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD subkey_len)
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{
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WCHAR *subkey_path;
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static const WCHAR fmt[] = {'%','s','\\','%','s',0};
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subkey_path = resize_buffer(NULL, (path_len + subkey_len + 2) * sizeof(WCHAR));
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sprintfW(subkey_path, fmt, path, subkey_name);
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return subkey_path;
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}
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static void export_key_name(FILE *fp, WCHAR *name, BOOL unicode)
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{
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static const WCHAR fmt[] = {'\r','\n','[','%','s',']','\r','\n',0};
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WCHAR *buf;
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buf = resize_buffer(NULL, (lstrlenW(name) + 7) * sizeof(WCHAR));
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sprintfW(buf, fmt, name);
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REGPROC_write_line(fp, buf, unicode);
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HeapFree(GetProcessHeap(), 0, buf);
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}
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#define MAX_SUBKEY_LEN 257
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static int export_registry_data(FILE *fp, HKEY key, WCHAR *path, BOOL unicode)
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{
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WCHAR *reg_key_name_buf, *val_name_buf, *line_buf;
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BYTE *val_buf;
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DWORD reg_key_name_size = KEY_MAX_LEN;
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DWORD val_name_size = KEY_MAX_LEN;
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DWORD val_size = REG_VAL_BUF_SIZE;
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WCHAR *line_buf;
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DWORD line_buf_size = KEY_MAX_LEN + REG_VAL_BUF_SIZE;
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LONG rc;
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DWORD max_value_len = 256, value_len;
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DWORD max_data_bytes = 2048, data_size;
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DWORD subkey_len;
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DWORD i, type, path_len;
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WCHAR *value_name, *subkey_name, *subkey_path;
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BYTE *data;
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HKEY subkey;
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reg_key_name_buf = HeapAlloc(GetProcessHeap(), 0, reg_key_name_size * sizeof(WCHAR));
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val_name_buf = HeapAlloc(GetProcessHeap(), 0, val_name_size * sizeof(WCHAR));
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val_buf = HeapAlloc(GetProcessHeap(), 0, val_size);
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line_buf = HeapAlloc(GetProcessHeap(), 0, line_buf_size * sizeof(WCHAR));
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CHECK_ENOUGH_MEMORY(reg_key_name_buf && val_name_buf && val_buf && line_buf);
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CHECK_ENOUGH_MEMORY(line_buf);
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lstrcpyW(reg_key_name_buf, path);
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export_key_name(fp, path, unicode);
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export_hkey(fp, key, ®_key_name_buf, ®_key_name_size, &val_name_buf, &val_name_size,
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&val_buf, &val_size, &line_buf, &line_buf_size, unicode);
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value_name = resize_buffer(NULL, max_value_len * sizeof(WCHAR));
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data = resize_buffer(NULL, max_data_bytes);
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HeapFree(GetProcessHeap(), 0, reg_key_name_buf);
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HeapFree(GetProcessHeap(), 0, val_name_buf);
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HeapFree(GetProcessHeap(), 0, val_buf);
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i = 0;
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for (;;)
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{
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value_len = max_value_len;
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data_size = max_data_bytes;
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rc = RegEnumValueW(key, i, value_name, &value_len, NULL, &type, data, &data_size);
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if (rc == ERROR_SUCCESS)
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{
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export_hkey(fp, &value_name, &value_len, type, &data, &data_size,
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&line_buf, &line_buf_size, unicode);
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i++;
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}
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else if (rc == ERROR_MORE_DATA)
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{
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if (data_size > max_data_bytes)
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{
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max_data_bytes *= 2;
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data = resize_buffer(data, max_data_bytes);
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}
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else
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{
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max_value_len *= 2;
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value_name = resize_buffer(value_name, max_value_len * sizeof(WCHAR));
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}
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}
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else break;
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}
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HeapFree(GetProcessHeap(), 0, data);
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HeapFree(GetProcessHeap(), 0, value_name);
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HeapFree(GetProcessHeap(), 0, line_buf);
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subkey_name = resize_buffer(NULL, MAX_SUBKEY_LEN * sizeof(WCHAR));
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path_len = lstrlenW(path);
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i = 0;
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for (;;)
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{
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subkey_len = MAX_SUBKEY_LEN;
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rc = RegEnumKeyExW(key, i, subkey_name, &subkey_len, NULL, NULL, NULL, NULL);
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if (rc == ERROR_SUCCESS)
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{
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subkey_path = build_subkey_path(path, path_len, subkey_name, subkey_len);
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if (!RegOpenKeyExW(key, subkey_name, 0, KEY_READ, &subkey))
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{
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export_registry_data(fp, subkey, subkey_path, unicode);
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RegCloseKey(subkey);
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}
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HeapFree(GetProcessHeap(), 0, subkey_path);
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i++;
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}
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else break;
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}
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HeapFree(GetProcessHeap(), 0, subkey_name);
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return 0;
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}
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