Sweden-Number/programs/regedit/regedit.c

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/*
* Windows regedit.exe registry editor implementation.
*
* Copyright 2002 Andriy Palamarchuk
*
* 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 <stdio.h>
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#include <stdlib.h>
#include <windows.h>
#include <shellapi.h>
#include "wine/unicode.h"
#include "wine/debug.h"
#include "regproc.h"
WINE_DEFAULT_DEBUG_CHANNEL(regedit);
static void output_writeconsole(const WCHAR *str, DWORD wlen)
{
DWORD count, ret;
ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, wlen, &count, NULL);
if (!ret)
{
DWORD len;
char *msgA;
/* WriteConsole() fails on Windows if its output is redirected. If this occurs,
* we should call WriteFile() and assume the console encoding is still correct.
*/
len = WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, NULL, 0, NULL, NULL);
msgA = heap_xalloc(len);
WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, msgA, len, NULL, NULL);
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
heap_free(msgA);
}
}
static void output_formatstring(const WCHAR *fmt, __ms_va_list va_args)
{
WCHAR *str;
DWORD len;
SetLastError(NO_ERROR);
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
if (len == 0 && GetLastError() != NO_ERROR)
{
WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
return;
}
output_writeconsole(str, len);
LocalFree(str);
}
void WINAPIV output_message(unsigned int id, ...)
{
WCHAR fmt[1536];
__ms_va_list va_args;
if (!LoadStringW(GetModuleHandleW(NULL), id, fmt, sizeof(fmt)/sizeof(*fmt)))
{
WINE_FIXME("LoadString failed with %d\n", GetLastError());
return;
}
__ms_va_start(va_args, id);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
}
void WINAPIV error_exit(unsigned int id, ...)
{
WCHAR fmt[1536];
__ms_va_list va_args;
if (!LoadStringW(GetModuleHandleW(NULL), id, fmt, sizeof(fmt)/sizeof(*fmt)))
{
WINE_FIXME("LoadString failed with %u\n", GetLastError());
return;
}
__ms_va_start(va_args, id);
output_formatstring(fmt, va_args);
__ms_va_end(va_args);
exit(0); /* regedit.exe always terminates with error code zero */
}
typedef enum {
ACTION_ADD, ACTION_EXPORT, ACTION_DELETE
} REGEDIT_ACTION;
static void PerformRegAction(REGEDIT_ACTION action, WCHAR **argv, int *i)
{
switch (action) {
case ACTION_ADD: {
WCHAR *filename = argv[*i];
WCHAR hyphen[] = {'-',0};
WCHAR *realname = NULL;
FILE *reg_file;
if (!strcmpW(filename, hyphen))
reg_file = stdin;
else
{
int size;
WCHAR rb_mode[] = {'r','b',0};
size = SearchPathW(NULL, filename, NULL, 0, NULL, NULL);
if (size > 0)
{
realname = heap_xalloc(size * sizeof(WCHAR));
size = SearchPathW(NULL, filename, NULL, size, realname, NULL);
}
if (size == 0)
{
output_message(STRING_FILE_NOT_FOUND, filename);
heap_free(realname);
return;
}
reg_file = _wfopen(realname, rb_mode);
if (reg_file == NULL)
{
WCHAR regedit[] = {'r','e','g','e','d','i','t',0};
_wperror(regedit);
output_message(STRING_CANNOT_OPEN_FILE, filename);
heap_free(realname);
return;
}
}
import_registry_file(reg_file);
if (realname)
{
heap_free(realname);
fclose(reg_file);
}
break;
}
case ACTION_DELETE:
delete_registry_key(argv[*i]);
break;
case ACTION_EXPORT: {
WCHAR *filename = argv[*i];
WCHAR *key_name = argv[++(*i)];
if (key_name && *key_name)
export_registry_key(filename, key_name, REG_FORMAT_5);
else
export_registry_key(filename, NULL, REG_FORMAT_5);
break;
}
default:
error_exit(STRING_UNHANDLED_ACTION);
break;
}
}
BOOL ProcessCmdLine(WCHAR *cmdline)
{
WCHAR **argv;
int argc, i;
REGEDIT_ACTION action = ACTION_ADD;
argv = CommandLineToArgvW(cmdline, &argc);
if (!argv)
return FALSE;
if (argc == 1)
{
LocalFree(argv);
return FALSE;
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] != '/' && argv[i][0] != '-')
break; /* No flags specified. */
if (!argv[i][1] && argv[i][0] == '-')
break; /* '-' is a filename. It indicates we should use stdin. */
if (argv[i][1] && argv[i][2] && argv[i][2] != ':')
break; /* This is a file path beginning with '/'. */
switch (toupperW(argv[i][1]))
{
case '?':
error_exit(STRING_USAGE);
break;
case 'D':
action = ACTION_DELETE;
break;
case 'E':
action = ACTION_EXPORT;
break;
case 'C':
case 'L':
case 'M':
case 'R':
/* unhandled */;
break;
case 'S':
case 'V':
/* ignored */;
break;
default:
output_message(STRING_INVALID_SWITCH, argv[i]);
error_exit(STRING_HELP);
}
}
if (i == argc)
{
switch (action)
{
case ACTION_ADD:
case ACTION_EXPORT:
output_message(STRING_NO_FILENAME);
break;
case ACTION_DELETE:
output_message(STRING_NO_REG_KEY);
break;
}
error_exit(STRING_HELP);
}
for (; i < argc; i++)
PerformRegAction(action, argv, &i);
LocalFree(argv);
return TRUE;
}