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Sweden-Number/dlls/setupapi/dirid.c

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/*
* Directory id handling
*
* Copyright 2002 Alexandre Julliard for CodeWeavers
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winternl.h"
#include "winerror.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "setupapi.h"
#include "shlobj.h"
#include "wine/unicode.h"
#include "setupapi_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
#define MAX_SYSTEM_DIRID DIRID_PRINTPROCESSOR
#define MIN_CSIDL_DIRID 0x4000
#define MAX_CSIDL_DIRID 0x403f
struct user_dirid
{
int id;
WCHAR *str;
};
static int nb_user_dirids; /* number of user dirids in use */
static int alloc_user_dirids; /* number of allocated user dirids */
static struct user_dirid *user_dirids;
static const WCHAR *system_dirids[MAX_SYSTEM_DIRID+1];
static const WCHAR *csidl_dirids[MAX_CSIDL_DIRID-MIN_CSIDL_DIRID+1];
/* retrieve the string for unknown dirids */
static const WCHAR *get_unknown_dirid(void)
{
static WCHAR *unknown_dirid;
static const WCHAR unknown_str[] = {'\\','u','n','k','n','o','w','n',0};
if (!unknown_dirid)
{
UINT len = GetSystemDirectoryW( NULL, 0 ) + strlenW(unknown_str);
if (!(unknown_dirid = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return NULL;
GetSystemDirectoryW( unknown_dirid, len );
strcatW( unknown_dirid, unknown_str );
}
return unknown_dirid;
}
static const WCHAR *get_csidl_dir(DWORD csidl);
/* create the string for a system dirid */
static const WCHAR *create_system_dirid( int dirid )
{
static const WCHAR Null[] = {0};
static const WCHAR C_Root[] = {'C',':','\\',0};
static const WCHAR Drivers[] = {'\\','d','r','i','v','e','r','s',0};
static const WCHAR Inf[] = {'\\','i','n','f',0};
static const WCHAR Help[] = {'\\','h','e','l','p',0};
static const WCHAR Fonts[] = {'\\','f','o','n','t','s',0};
static const WCHAR Viewers[] = {'\\','v','i','e','w','e','r','s',0};
static const WCHAR System[] = {'\\','s','y','s','t','e','m',0};
static const WCHAR Spool[] = {'\\','s','p','o','o','l',0};
static const WCHAR UserProfile[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
WCHAR buffer[MAX_PATH+32], *str;
int len;
switch(dirid)
{
case DIRID_NULL:
return Null;
case DIRID_WINDOWS:
GetWindowsDirectoryW( buffer, MAX_PATH );
break;
case DIRID_SYSTEM:
GetSystemDirectoryW( buffer, MAX_PATH );
break;
case DIRID_DRIVERS:
GetSystemDirectoryW( buffer, MAX_PATH );
strcatW( buffer, Drivers );
break;
case DIRID_INF:
GetWindowsDirectoryW( buffer, MAX_PATH );
strcatW( buffer, Inf );
break;
case DIRID_HELP:
GetWindowsDirectoryW( buffer, MAX_PATH );
strcatW( buffer, Help );
break;
case DIRID_FONTS:
GetWindowsDirectoryW( buffer, MAX_PATH );
strcatW( buffer, Fonts );
break;
case DIRID_VIEWERS:
GetSystemDirectoryW( buffer, MAX_PATH );
strcatW( buffer, Viewers );
break;
case DIRID_APPS:
return C_Root; /* FIXME */
case DIRID_SHARED:
GetWindowsDirectoryW( buffer, MAX_PATH );
break;
case DIRID_BOOT:
return C_Root; /* FIXME */
case DIRID_SYSTEM16:
GetWindowsDirectoryW( buffer, MAX_PATH );
strcatW( buffer, System );
break;
case DIRID_SPOOL:
case DIRID_SPOOLDRIVERS: /* FIXME */
GetWindowsDirectoryW( buffer, MAX_PATH );
strcatW( buffer, Spool );
break;
case DIRID_USERPROFILE:
if (GetEnvironmentVariableW( UserProfile, buffer, MAX_PATH )) break;
return get_csidl_dir(CSIDL_PROFILE);
case DIRID_LOADER:
return C_Root; /* FIXME */
case DIRID_COLOR: /* FIXME */
case DIRID_PRINTPROCESSOR: /* FIXME */
default:
FIXME( "unknown dirid %d\n", dirid );
return get_unknown_dirid();
}
len = (strlenW(buffer) + 1) * sizeof(WCHAR);
if ((str = HeapAlloc( GetProcessHeap(), 0, len ))) memcpy( str, buffer, len );
return str;
}
static const WCHAR *get_csidl_dir( DWORD csidl )
{
WCHAR buffer[MAX_PATH], *str;
int len;
if (!SHGetSpecialFolderPathW( NULL, buffer, csidl, TRUE ))
{
FIXME( "CSIDL %lx not found\n", csidl );
return get_unknown_dirid();
}
len = (strlenW(buffer) + 1) * sizeof(WCHAR);
if ((str = HeapAlloc( GetProcessHeap(), 0, len ))) memcpy( str, buffer, len );
return str;
}
/* retrieve the string corresponding to a dirid, or NULL if none */
const WCHAR *DIRID_get_string( HINF hinf, int dirid )
{
int i;
if (dirid == DIRID_ABSOLUTE || dirid == DIRID_ABSOLUTE_16BIT) dirid = DIRID_NULL;
if (dirid >= DIRID_USER)
{
for (i = 0; i < nb_user_dirids; i++)
if (user_dirids[i].id == dirid) return user_dirids[i].str;
ERR("user id %d not found\n", dirid );
return NULL;
}
else if (dirid >= MIN_CSIDL_DIRID)
{
if (dirid > MAX_CSIDL_DIRID) return get_unknown_dirid();
dirid -= MIN_CSIDL_DIRID;
if (!csidl_dirids[dirid]) csidl_dirids[dirid] = get_csidl_dir( dirid );
return csidl_dirids[dirid];
}
else
{
if (dirid > MAX_SYSTEM_DIRID) return get_unknown_dirid();
if (dirid == DIRID_SRCPATH) return PARSER_get_src_root( hinf );
if (!system_dirids[dirid]) system_dirids[dirid] = create_system_dirid( dirid );
return system_dirids[dirid];
}
}
/* store a user dirid string */
static BOOL store_user_dirid( HINF hinf, int id, WCHAR *str )
{
int i;
for (i = 0; i < nb_user_dirids; i++) if (user_dirids[i].id == id) break;
if (i < nb_user_dirids) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
else
{
if (nb_user_dirids >= alloc_user_dirids)
{
int new_size = max( 32, alloc_user_dirids * 2 );
struct user_dirid *new;
if (user_dirids)
new = HeapReAlloc( GetProcessHeap(), 0, user_dirids,
new_size * sizeof(*new) );
else
new = HeapAlloc( GetProcessHeap(), 0,
new_size * sizeof(*new) );
if (!new) return FALSE;
user_dirids = new;
alloc_user_dirids = new_size;
}
nb_user_dirids++;
}
user_dirids[i].id = id;
user_dirids[i].str = str;
TRACE("id %d -> %s\n", id, debugstr_w(str) );
return TRUE;
}
/***********************************************************************
* SetupSetDirectoryIdA (SETUPAPI.@)
*/
BOOL WINAPI SetupSetDirectoryIdA( HINF hinf, DWORD id, PCSTR dir )
{
UNICODE_STRING dirW;
int i;
if (!id) /* clear everything */
{
for (i = 0; i < nb_user_dirids; i++) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
nb_user_dirids = 0;
return TRUE;
}
if (id < DIRID_USER)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/* duplicate the string */
if (!RtlCreateUnicodeStringFromAsciiz( &dirW, dir ))
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return FALSE;
}
return store_user_dirid( hinf, id, dirW.Buffer );
}
/***********************************************************************
* SetupSetDirectoryIdW (SETUPAPI.@)
*/
BOOL WINAPI SetupSetDirectoryIdW( HINF hinf, DWORD id, PCWSTR dir )
{
int i, len;
WCHAR *str;
if (!id) /* clear everything */
{
for (i = 0; i < nb_user_dirids; i++) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
nb_user_dirids = 0;
return TRUE;
}
if (id < DIRID_USER)
{
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
/* duplicate the string */
len = (strlenW(dir)+1) * sizeof(WCHAR);
if (!(str = HeapAlloc( GetProcessHeap(), 0, len ))) return FALSE;
memcpy( str, dir, len );
return store_user_dirid( hinf, id, str );
}
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