wine/programs/attrib/attrib.c
2013-10-15 14:28:20 +02:00

326 lines
12 KiB
C

/*
* ATTRIB - Wine-compatible attrib program
*
* Copyright 2010-2012 Christian Costa
*
* 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"
WINE_DEFAULT_DEBUG_CHANNEL(attrib);
static const WCHAR starW[] = {'*','\0'};
/* =========================================================================
* 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
* ========================================================================= */
static int __cdecl 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
__ms_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*sizeof(WCHAR));
if (!output_bufW) {
WINE_FIXME("Out of memory - could not allocate 2 x 64K buffers\n");
return 0;
}
__ms_va_start(parms, format);
SetLastError(NO_ERROR);
len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, format, 0, 0, output_bufW,
MAX_WRITECONSOLE_SIZE/sizeof(*output_bufW), &parms);
__ms_va_end(parms);
if (len == 0 && GetLastError() != NO_ERROR) {
WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(format));
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;
}
/* =========================================================================
* Handle the processing for a single directory, optionally recursing into
* subdirectories if needed.
* Parameters:
* rootdir [I] The directory to search in
* filespec [I] The filespec to search for
* recurse [I] Whether to recurse (search subdirectories before
* current directory)
* includedirs [I] Whether to set directory attributes as well
* attrib_set [I] Attributes to set
* attrib_clear [I] Attributes to clear
*
* Returns TRUE if at least one file displayed / modified
* ========================================================================= */
static BOOL ATTRIB_processdirectory(const WCHAR *rootdir, const WCHAR *filespec,
BOOL recurse, BOOL includedirs,
DWORD attrib_set, DWORD attrib_clear)
{
BOOL found = FALSE;
WCHAR buffer[MAX_PATH];
HANDLE hff;
WIN32_FIND_DATAW fd;
WCHAR flags[] = {' ',' ',' ',' ',' ',' ',' ',' ','\0'};
static const WCHAR slashW[] = {'\\','\0'};
WINE_TRACE("Processing dir '%s', spec '%s', %d,%x,%x\n",
wine_dbgstr_w(rootdir), wine_dbgstr_w(filespec),
recurse, attrib_set, attrib_clear);
if (recurse) {
/* Build spec to search for */
strcpyW(buffer, rootdir);
strcatW(buffer, starW);
/* Search for directories in the location and recurse if necessary */
WINE_TRACE("Searching for directories with '%s'\n", wine_dbgstr_w(buffer));
hff = FindFirstFileW(buffer, &fd);
if (hff != INVALID_HANDLE_VALUE) {
do {
const WCHAR dot[] = {'.', 0};
const WCHAR dotdot[] = {'.', '.', 0};
/* Only interested in directories, and not . nor .. */
if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ||
!strcmpW(fd.cFileName, dot) || !strcmpW(fd.cFileName, dotdot))
continue;
/* Build new root dir to go searching in */
strcpyW(buffer, rootdir);
strcatW(buffer, fd.cFileName);
strcatW(buffer, slashW);
ATTRIB_processdirectory(buffer, filespec, recurse, includedirs,
attrib_set, attrib_clear);
} while (FindNextFileW(hff, &fd) != 0);
}
FindClose (hff);
}
/* Build spec to search for */
strcpyW(buffer, rootdir);
strcatW(buffer, filespec);
WINE_TRACE("Searching for files as '%s'\n", wine_dbgstr_w(buffer));
/* Search for files in the location with the filespec supplied */
hff = FindFirstFileW(buffer, &fd);
if (hff != INVALID_HANDLE_VALUE) {
do {
const WCHAR dot[] = {'.', 0};
const WCHAR dotdot[] = {'.', '.', 0};
DWORD count;
WINE_TRACE("Found '%s'\n", wine_dbgstr_w(fd.cFileName));
if (!strcmpW(fd.cFileName, dot) || !strcmpW(fd.cFileName, dotdot))
continue;
if (!includedirs && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
continue;
if (attrib_set || attrib_clear) {
fd.dwFileAttributes &= ~attrib_clear;
fd.dwFileAttributes |= attrib_set;
if (!fd.dwFileAttributes)
fd.dwFileAttributes |= FILE_ATTRIBUTE_NORMAL;
strcpyW(buffer, rootdir);
strcatW(buffer, fd.cFileName);
SetFileAttributesW(buffer, fd.dwFileAttributes);
found = TRUE;
} else {
static const WCHAR fmt[] = {'%','1',' ',' ',' ',' ',' ','%','2','\n','\0'};
if (fd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
flags[4] = 'H';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {
flags[1] = 'S';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
flags[0] = 'A';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
flags[5] = 'R';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY) {
flags[6] = 'T';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED) {
flags[7] = 'C';
}
strcpyW(buffer, rootdir);
strcatW(buffer, fd.cFileName);
ATTRIB_wprintf(fmt, flags, buffer);
for (count = 0; count < (sizeof(flags)/sizeof(WCHAR) - 1); count++) flags[count] = ' ';
found = TRUE;
}
} while (FindNextFileW(hff, &fd) != 0);
}
FindClose (hff);
return found;
}
int wmain(int argc, WCHAR *argv[])
{
WCHAR name[MAX_PATH];
WCHAR *namepart;
WCHAR curdir[MAX_PATH];
WCHAR originalname[MAX_PATH];
DWORD attrib_set = 0;
DWORD attrib_clear = 0;
BOOL attrib_recurse = FALSE;
BOOL attrib_includedirs = FALSE;
static const WCHAR help_option[] = {'/','?','\0'};
static const WCHAR wildcardsW[] = {'*','?','\0'};
int i = 1;
BOOL found = FALSE;
if ((argc >= 2) && !strcmpW(argv[1], help_option)) {
ATTRIB_wprintf(ATTRIB_LoadMessage(STRING_HELP));
return 0;
}
/* By default all files from current directory are taken into account */
strcpyW(name, starW);
while (i < argc) {
WCHAR *param = argv[i++];
WINE_TRACE("Processing arg: '%s'\n", wine_dbgstr_w(param));
if ((param[0] == '+') || (param[0] == '-')) {
DWORD attrib = 0;
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;
}
} else if (param[0] == '/') {
if (((param[1] == 'D') || (param[1] == 'd')) && !param[2]) {
attrib_includedirs = TRUE;
} else if (((param[1] == 'S') || (param[1] == 's')) && !param[2]) {
attrib_recurse = TRUE;
} else {
WINE_FIXME("Unknown option %s\n", debugstr_w(param));
}
} else if (param[0]) {
strcpyW(originalname, param);
}
}
/* Name may be a relative or explicit path, so calculate curdir based on
current locations, stripping off the filename */
WINE_TRACE("Supplied name: '%s'\n", wine_dbgstr_w(originalname));
GetFullPathNameW(originalname, sizeof(curdir)/sizeof(WCHAR), curdir, &namepart);
WINE_TRACE("Result: '%s'\n", wine_dbgstr_w(curdir));
if (namepart) {
strcpyW(name, namepart);
*namepart = 0;
} else {
name[0] = 0;
}
/* If a directory is explicitly supplied on the command line, and no
wildcards are in the name, then allow it to be changed/displayed */
if (strpbrkW(originalname, wildcardsW) == NULL) attrib_includedirs = TRUE;
/* Do all the processing based on the filename arg */
found = ATTRIB_processdirectory(curdir, name, attrib_recurse,
attrib_includedirs, attrib_set, attrib_clear);
if (!found) {
ATTRIB_wprintf(ATTRIB_LoadMessage(STRING_FILENOTFOUND), originalname);
}
return 0;
}