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https://github.com/reactos/reactos.git
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279 lines
8.5 KiB
C
279 lines
8.5 KiB
C
/*
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* Directory id handling
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*
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* Copyright 2002 Alexandre Julliard for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "setupapi_private.h"
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#define MAX_SYSTEM_DIRID DIRID_PRINTPROCESSOR
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#define MIN_CSIDL_DIRID 0x4000
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#define MAX_CSIDL_DIRID 0x403f
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struct user_dirid
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{
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int id;
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WCHAR *str;
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};
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static int nb_user_dirids; /* number of user dirids in use */
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static int alloc_user_dirids; /* number of allocated user dirids */
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static struct user_dirid *user_dirids;
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static const WCHAR *system_dirids[MAX_SYSTEM_DIRID+1];
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static const WCHAR *csidl_dirids[MAX_CSIDL_DIRID-MIN_CSIDL_DIRID+1];
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/* retrieve the string for unknown dirids */
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static const WCHAR *get_unknown_dirid(void)
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{
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static WCHAR *unknown_dirid;
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static const WCHAR unknown_str[] = {'\\','u','n','k','n','o','w','n',0};
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if (!unknown_dirid)
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{
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UINT len = GetSystemDirectoryW( NULL, 0 ) + strlenW(unknown_str);
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if (!(unknown_dirid = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return NULL;
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GetSystemDirectoryW( unknown_dirid, len );
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strcatW( unknown_dirid, unknown_str );
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}
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return unknown_dirid;
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}
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static const WCHAR *get_csidl_dir(DWORD csidl);
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/* create the string for a system dirid */
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static const WCHAR *create_system_dirid( int dirid )
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{
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static const WCHAR Null[] = {0};
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static const WCHAR C_Root[] = {'C',':','\\',0};
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static const WCHAR Drivers[] = {'\\','d','r','i','v','e','r','s',0};
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static const WCHAR Inf[] = {'\\','i','n','f',0};
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static const WCHAR Help[] = {'\\','h','e','l','p',0};
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static const WCHAR Fonts[] = {'\\','f','o','n','t','s',0};
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static const WCHAR Viewers[] = {'\\','v','i','e','w','e','r','s',0};
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static const WCHAR System[] = {'\\','s','y','s','t','e','m',0};
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static const WCHAR Spool[] = {'\\','s','p','o','o','l',0};
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static const WCHAR UserProfile[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
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WCHAR buffer[MAX_PATH+32], *str;
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int len;
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DWORD needed;
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switch(dirid)
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{
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case DIRID_NULL:
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return Null;
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case DIRID_WINDOWS:
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GetWindowsDirectoryW( buffer, MAX_PATH );
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break;
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case DIRID_SYSTEM:
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GetSystemDirectoryW( buffer, MAX_PATH );
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break;
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case DIRID_DRIVERS:
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GetSystemDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, Drivers );
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break;
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case DIRID_INF:
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GetWindowsDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, Inf );
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break;
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case DIRID_HELP:
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GetWindowsDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, Help );
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break;
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case DIRID_FONTS:
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GetWindowsDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, Fonts );
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break;
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case DIRID_VIEWERS:
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GetSystemDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, Viewers );
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break;
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case DIRID_APPS:
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return C_Root; /* FIXME */
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case DIRID_SHARED:
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GetWindowsDirectoryW( buffer, MAX_PATH );
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break;
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case DIRID_BOOT:
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return C_Root; /* FIXME */
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case DIRID_SYSTEM16:
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GetWindowsDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, System );
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break;
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case DIRID_SPOOL:
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case DIRID_SPOOLDRIVERS: /* FIXME */
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GetWindowsDirectoryW( buffer, MAX_PATH );
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strcatW( buffer, Spool );
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break;
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case DIRID_USERPROFILE:
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if (GetEnvironmentVariableW( UserProfile, buffer, MAX_PATH )) break;
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return get_csidl_dir(CSIDL_PROFILE);
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case DIRID_LOADER:
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return C_Root; /* FIXME */
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case DIRID_PRINTPROCESSOR:
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if (!GetPrintProcessorDirectoryW(NULL, NULL, 1, (LPBYTE)buffer, sizeof(buffer), &needed))
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{
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WARN( "cannot retrieve print processor directory\n" );
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return get_unknown_dirid();
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}
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break;
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case DIRID_COLOR: /* FIXME */
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default:
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FIXME( "unknown dirid %d\n", dirid );
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return get_unknown_dirid();
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}
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len = (strlenW(buffer) + 1) * sizeof(WCHAR);
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if ((str = HeapAlloc( GetProcessHeap(), 0, len ))) memcpy( str, buffer, len );
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return str;
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}
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static const WCHAR *get_csidl_dir( DWORD csidl )
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{
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WCHAR buffer[MAX_PATH], *str;
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int len;
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if (!SHGetSpecialFolderPathW( NULL, buffer, csidl, TRUE ))
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{
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FIXME( "CSIDL %x not found\n", csidl );
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return get_unknown_dirid();
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}
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len = (strlenW(buffer) + 1) * sizeof(WCHAR);
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if ((str = HeapAlloc( GetProcessHeap(), 0, len ))) memcpy( str, buffer, len );
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return str;
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}
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/* retrieve the string corresponding to a dirid, or NULL if none */
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const WCHAR *DIRID_get_string( int dirid )
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{
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int i;
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if (dirid == DIRID_ABSOLUTE || dirid == DIRID_ABSOLUTE_16BIT) dirid = DIRID_NULL;
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if (dirid >= DIRID_USER)
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{
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for (i = 0; i < nb_user_dirids; i++)
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if (user_dirids[i].id == dirid) return user_dirids[i].str;
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WARN("user id %d not found\n", dirid );
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return NULL;
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}
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else if (dirid >= MIN_CSIDL_DIRID)
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{
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if (dirid > MAX_CSIDL_DIRID) return get_unknown_dirid();
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dirid -= MIN_CSIDL_DIRID;
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if (!csidl_dirids[dirid]) csidl_dirids[dirid] = get_csidl_dir( dirid );
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return csidl_dirids[dirid];
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}
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else
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{
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if (dirid > MAX_SYSTEM_DIRID) return get_unknown_dirid();
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if (!system_dirids[dirid]) system_dirids[dirid] = create_system_dirid( dirid );
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return system_dirids[dirid];
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}
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}
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/* store a user dirid string */
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static BOOL store_user_dirid( HINF hinf, int id, WCHAR *str )
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{
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int i;
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for (i = 0; i < nb_user_dirids; i++) if (user_dirids[i].id == id) break;
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if (i < nb_user_dirids) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
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else
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{
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if (nb_user_dirids >= alloc_user_dirids)
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{
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int new_size = max( 32, alloc_user_dirids * 2 );
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struct user_dirid *new;
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if (user_dirids)
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new = HeapReAlloc( GetProcessHeap(), 0, user_dirids,
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new_size * sizeof(*new) );
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else
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new = HeapAlloc( GetProcessHeap(), 0,
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new_size * sizeof(*new) );
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if (!new) return FALSE;
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user_dirids = new;
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alloc_user_dirids = new_size;
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}
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nb_user_dirids++;
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}
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user_dirids[i].id = id;
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user_dirids[i].str = str;
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TRACE("id %d -> %s\n", id, debugstr_w(str) );
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return TRUE;
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}
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/***********************************************************************
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* SetupSetDirectoryIdA (SETUPAPI.@)
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*/
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BOOL WINAPI SetupSetDirectoryIdA( HINF hinf, DWORD id, PCSTR dir )
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{
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UNICODE_STRING dirW;
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int i;
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if (!id) /* clear everything */
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{
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for (i = 0; i < nb_user_dirids; i++) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
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nb_user_dirids = 0;
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return TRUE;
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}
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if (id < DIRID_USER)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return FALSE;
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}
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/* duplicate the string */
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if (!RtlCreateUnicodeStringFromAsciiz( &dirW, dir ))
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{
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SetLastError( ERROR_NOT_ENOUGH_MEMORY );
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return FALSE;
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}
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return store_user_dirid( hinf, id, dirW.Buffer );
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}
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/***********************************************************************
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* SetupSetDirectoryIdW (SETUPAPI.@)
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*/
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BOOL WINAPI SetupSetDirectoryIdW( HINF hinf, DWORD id, PCWSTR dir )
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{
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int i, len;
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WCHAR *str;
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if (!id) /* clear everything */
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{
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for (i = 0; i < nb_user_dirids; i++) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
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nb_user_dirids = 0;
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return TRUE;
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}
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if (id < DIRID_USER)
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return FALSE;
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}
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/* duplicate the string */
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len = (strlenW(dir)+1) * sizeof(WCHAR);
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if (!(str = HeapAlloc( GetProcessHeap(), 0, len ))) return FALSE;
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memcpy( str, dir, len );
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return store_user_dirid( hinf, id, str );
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}
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