Sweden-Number/programs/attrib/attrib.c

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2010-03-19 11:56:20 +01:00
/*
* ATTRIB - Wine-compatible attrib program
*
* Copyright 2010-2011 Christian Costa
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*
* 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 <windows.h>
#include <wine/debug.h>
#include <wine/unicode.h>
#include "attrib.h"
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WINE_DEFAULT_DEBUG_CHANNEL(attrib);
/* =========================================================================
* Load a string from the resource file, handling any error
* Returns string retrieved from resource file
* ========================================================================= */
static WCHAR *ATTRIB_LoadMessage(UINT id) {
static WCHAR msg[MAXSTRING];
const WCHAR failedMsg[] = {'F', 'a', 'i', 'l', 'e', 'd', '!', 0};
if (!LoadStringW(GetModuleHandleW(NULL), id, msg, sizeof(msg)/sizeof(WCHAR))) {
WINE_FIXME("LoadString failed with %d\n", GetLastError());
lstrcpyW(msg, failedMsg);
}
return msg;
}
/* =========================================================================
* Output a formatted unicode string. Ideally this will go to the console
* and hence required WriteConsoleW to output it, however if file i/o is
* redirected, it needs to be WriteFile'd using OEM (not ANSI) format
* ========================================================================= */
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static int ATTRIB_wprintf(const WCHAR *format, ...) {
static WCHAR *output_bufW = NULL;
static char *output_bufA = NULL;
static BOOL toConsole = TRUE;
static BOOL traceOutput = FALSE;
#define MAX_WRITECONSOLE_SIZE 65535
va_list parms;
DWORD nOut;
int len;
DWORD res = 0;
/*
* Allocate buffer to use when writing to console
* Note: Not freed - memory will be allocated once and released when
* xcopy ends
*/
if (!output_bufW) output_bufW = HeapAlloc(GetProcessHeap(), 0,
MAX_WRITECONSOLE_SIZE);
if (!output_bufW) {
WINE_FIXME("Out of memory - could not allocate 2 x 64K buffers\n");
return 0;
}
va_start(parms, format);
len = vsnprintfW(output_bufW, MAX_WRITECONSOLE_SIZE/sizeof(WCHAR), format, parms);
va_end(parms);
if (len < 0) {
WINE_FIXME("String too long.\n");
return 0;
}
/* Try to write as unicode all the time we think its a console */
if (toConsole) {
res = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE),
output_bufW, len, &nOut, NULL);
}
/* If writing to console has failed (ever) we assume its file
i/o so convert to OEM codepage and output */
if (!res) {
BOOL usedDefaultChar = FALSE;
DWORD convertedChars;
toConsole = FALSE;
/*
* Allocate buffer to use when writing to file. Not freed, as above
*/
if (!output_bufA) output_bufA = HeapAlloc(GetProcessHeap(), 0,
MAX_WRITECONSOLE_SIZE);
if (!output_bufA) {
WINE_FIXME("Out of memory - could not allocate 2 x 64K buffers\n");
return 0;
}
/* Convert to OEM, then output */
convertedChars = WideCharToMultiByte(GetConsoleOutputCP(), 0, output_bufW,
len, output_bufA, MAX_WRITECONSOLE_SIZE,
"?", &usedDefaultChar);
WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), output_bufA, convertedChars,
&nOut, FALSE);
}
/* Trace whether screen or console */
if (!traceOutput) {
WINE_TRACE("Writing to console? (%d)\n", toConsole);
traceOutput = TRUE;
}
return nOut;
}
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int wmain(int argc, WCHAR *argv[])
{
DWORD count;
HANDLE hff;
WIN32_FIND_DATAW fd;
WCHAR flags[9] = {' ',' ',' ',' ',' ',' ',' ',' ','\0'};
WCHAR name[128];
WCHAR *param = argc >= 2 ? argv[1] : NULL;
DWORD attrib_set = 0;
DWORD attrib_clear = 0;
WCHAR help_option[] = {'/','?','\0'};
if (param && !strcmpW(param, help_option))
{
ATTRIB_wprintf(ATTRIB_LoadMessage(STRING_HELP));
return 0;
}
if (param && (param[0] == '+' || param[0] == '-')) {
DWORD attrib = 0;
/* FIXME: the real cmd can handle many more than two args; this should be in a loop */
switch (param[1]) {
case 'H': case 'h': attrib |= FILE_ATTRIBUTE_HIDDEN; break;
case 'S': case 's': attrib |= FILE_ATTRIBUTE_SYSTEM; break;
case 'R': case 'r': attrib |= FILE_ATTRIBUTE_READONLY; break;
case 'A': case 'a': attrib |= FILE_ATTRIBUTE_ARCHIVE; break;
default:
ATTRIB_wprintf(ATTRIB_LoadMessage(STRING_NYI));
return 0;
}
switch (param[0]) {
case '+': attrib_set = attrib; break;
case '-': attrib_clear = attrib; break;
}
param = argc >= 3 ? argv[2] : NULL;
}
if (!param || strlenW(param) == 0) {
static const WCHAR slashStarW[] = {'\\','*','\0'};
GetCurrentDirectoryW(sizeof(name)/sizeof(WCHAR), name);
strcatW (name, slashStarW);
} else {
strcpyW(name, param);
}
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hff = FindFirstFileW(name, &fd);
if (hff == INVALID_HANDLE_VALUE) {
ATTRIB_wprintf(ATTRIB_LoadMessage(STRING_FILENOTFOUND), name);
}
else {
do {
if (attrib_set || attrib_clear) {
fd.dwFileAttributes &= ~attrib_clear;
fd.dwFileAttributes |= attrib_set;
if (!fd.dwFileAttributes)
fd.dwFileAttributes |= FILE_ATTRIBUTE_NORMAL;
SetFileAttributesW(name, fd.dwFileAttributes);
} else {
static const WCHAR fmt[] = {'%','s',' ',' ',' ','%','s','\n','\0'};
if (fd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
flags[0] = 'H';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {
flags[1] = 'S';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
flags[2] = 'A';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
flags[3] = 'R';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY) {
flags[4] = 'T';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED) {
flags[5] = 'C';
}
ATTRIB_wprintf(fmt, flags, fd.cFileName);
for (count=0; count < 8; count++) flags[count] = ' ';
}
} while (FindNextFileW(hff, &fd) != 0);
}
FindClose (hff);
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return 0;
}