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Sweden-Number/files/directory.c

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/*
* DOS directories functions
*
* Copyright 1995 Alexandre Julliard
*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include "windows.h"
#include "winerror.h"
#include "drive.h"
#include "file.h"
#include "heap.h"
#include "msdos.h"
#include "options.h"
#include "stddebug.h"
#include "debug.h"
#define MAX_PATH_ELEMENTS 20
static char *DIR_WindowsDosDir;
static char *DIR_WindowsUnixDir;
static char *DIR_SystemDosDir;
static char *DIR_SystemUnixDir;
static char *DIR_TempDosDir;
static char *DIR_TempUnixDir;
static char *DIR_DosPath[MAX_PATH_ELEMENTS]; /* Path in DOS format */
static char *DIR_UnixPath[MAX_PATH_ELEMENTS]; /* Path in Unix format */
static int DIR_PathElements = 0;
/***********************************************************************
* DIR_GetPath
*
* Get a path name from the wine.ini file and make sure it is valid.
*/
static int DIR_GetPath( const char *keyname, const char *defval,
char **dos_path, char **unix_path )
{
char path[MAX_PATHNAME_LEN];
DOS_FULL_NAME full_name;
BY_HANDLE_FILE_INFORMATION info;
PROFILE_GetWineIniString( "wine", keyname, defval, path, sizeof(path) );
if (!DOSFS_GetFullName( path, TRUE, &full_name ) ||
!FILE_Stat( full_name.long_name, &info ) ||
!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
fprintf(stderr, "Invalid path '%s' for %s directory\n", path, keyname);
return 0;
}
*unix_path = HEAP_strdupA( SystemHeap, 0, full_name.long_name );
*dos_path = HEAP_strdupA( SystemHeap, 0, full_name.short_name );
return 1;
}
/***********************************************************************
* DIR_ParseWindowsPath
*/
void DIR_ParseWindowsPath( char *path )
{
char *p;
DOS_FULL_NAME full_name;
BY_HANDLE_FILE_INFORMATION info;
int i;
for ( ; path && *path; path = p)
{
p = strchr( path, ';' );
if (p) while (*p == ';') *p++ = '\0';
if (DIR_PathElements >= MAX_PATH_ELEMENTS)
{
fprintf( stderr, "Warning: path has more than %d elements.\n",
MAX_PATH_ELEMENTS );
break;
}
if (!DOSFS_GetFullName( path, TRUE, &full_name ) ||
!FILE_Stat( full_name.long_name, &info ) ||
!(info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
fprintf(stderr,"Warning: invalid dir '%s' in path, deleting it.\n",
path );
continue;
}
DIR_UnixPath[DIR_PathElements] = HEAP_strdupA( SystemHeap, 0,
full_name.long_name );
DIR_DosPath[DIR_PathElements] = HEAP_strdupA( SystemHeap, 0,
full_name.short_name );
DIR_PathElements++;
}
if (debugging_dosfs)
for (i = 0; i < DIR_PathElements; i++)
{
dprintf_dosfs( stddeb, "Path[%d]: %s = %s\n",
i, DIR_DosPath[i], DIR_UnixPath[i] );
}
}
/***********************************************************************
* DIR_Init
*/
int DIR_Init(void)
{
char path[MAX_PATHNAME_LEN], *env_p;
int drive;
const char *cwd;
if (!getcwd( path, MAX_PATHNAME_LEN ))
{
perror( "Could not get current directory" );
return 0;
}
cwd = path;
if ((drive = DRIVE_FindDriveRoot( &cwd )) == -1)
{
fprintf( stderr, "Warning: could not find DOS drive for cwd %s; starting in windows directory.\n",
cwd );
}
else
{
DRIVE_SetCurrentDrive( drive );
DRIVE_Chdir( drive, cwd );
}
if (!(DIR_GetPath( "windows", "c:\\windows",
&DIR_WindowsDosDir, &DIR_WindowsUnixDir ))) return 0;
if (!(DIR_GetPath( "system", "c:\\windows\\system",
&DIR_SystemDosDir, &DIR_SystemUnixDir ))) return 0;
if (!(DIR_GetPath( "temp", "c:\\windows",
&DIR_TempDosDir, &DIR_TempUnixDir ))) return 0;
if (-1==access(DIR_TempUnixDir,W_OK)) {
if (errno==EACCES)
fprintf(stderr,"Warning: The Temporary Directory (as specified in wine.conf) is NOT writeable. Please check your configuration.\n");
else
fprintf(stderr,"Warning: Access to Temporary Directory failed (%s).\n",strerror(errno));
}
if (drive == -1)
{
drive = DIR_WindowsDosDir[0] - 'A';
DRIVE_SetCurrentDrive( drive );
DRIVE_Chdir( drive, DIR_WindowsDosDir + 2 );
}
PROFILE_GetWineIniString("wine", "path", "c:\\windows;c:\\windows\\system",
path, sizeof(path) );
DIR_ParseWindowsPath( path );
dprintf_dosfs( stddeb, "WindowsDir = %s\nSystemDir = %s\n",
DIR_WindowsDosDir, DIR_SystemDosDir );
dprintf_dosfs( stddeb, "TempDir = %s\nCwd = %c:\\%s\n",
DIR_TempDosDir, 'A' + drive, DRIVE_GetDosCwd( drive ) );
/* Put the temp and Windows and system directories into the environment */
env_p = HEAP_xalloc( SystemHeap, 0, strlen(DIR_TempDosDir) + 6 );
strcpy( env_p, "TEMP=" );
strcpy( env_p + 5, DIR_TempDosDir );
putenv( env_p );
env_p = HEAP_xalloc( SystemHeap, 0, strlen(DIR_WindowsDosDir) + 8 );
strcpy( env_p, "windir=" );
strcpy( env_p + 7, DIR_WindowsDosDir );
putenv( env_p );
env_p = HEAP_xalloc( SystemHeap, 0, strlen(DIR_SystemDosDir) + 11 );
strcpy( env_p, "winsysdir=" );
strcpy( env_p + 10, DIR_SystemDosDir );
putenv( env_p );
return 1;
}
/***********************************************************************
* GetTempPath32A (KERNEL32.292)
*/
UINT32 WINAPI GetTempPath32A( UINT32 count, LPSTR path )
{
if (path) lstrcpyn32A( path, DIR_TempDosDir, count );
return strlen( DIR_TempDosDir );
}
/***********************************************************************
* GetTempPath32W (KERNEL32.293)
*/
UINT32 WINAPI GetTempPath32W( UINT32 count, LPWSTR path )
{
if (path) lstrcpynAtoW( path, DIR_TempDosDir, count );
return strlen( DIR_TempDosDir );
}
/***********************************************************************
* DIR_GetTempUnixDir
*/
UINT32 DIR_GetTempUnixDir( LPSTR path, UINT32 count )
{
if (path) lstrcpyn32A( path, DIR_TempUnixDir, count );
return strlen( DIR_TempUnixDir );
}
/***********************************************************************
* DIR_GetWindowsUnixDir
*/
UINT32 DIR_GetWindowsUnixDir( LPSTR path, UINT32 count )
{
if (path) lstrcpyn32A( path, DIR_WindowsUnixDir, count );
return strlen( DIR_WindowsUnixDir );
}
/***********************************************************************
* DIR_GetSystemUnixDir
*/
UINT32 DIR_GetSystemUnixDir( LPSTR path, UINT32 count )
{
if (path) lstrcpyn32A( path, DIR_SystemUnixDir, count );
return strlen( DIR_SystemUnixDir );
}
/***********************************************************************
* DIR_GetDosPath
*/
UINT32 DIR_GetDosPath( INT32 element, LPSTR path, UINT32 count )
{
if ((element < 0) || (element >= DIR_PathElements)) return 0;
if (path) lstrcpyn32A( path, DIR_DosPath[element], count );
return strlen( DIR_DosPath[element] );
}
/***********************************************************************
* GetTempDrive (KERNEL.92)
*/
BYTE WINAPI GetTempDrive( BYTE ignored )
{
/* FIXME: apparently Windows does something with the ignored byte */
return DIR_TempDosDir[0];
}
UINT32 WINAPI WIN16_GetTempDrive( BYTE ignored )
{
/* A closer look at krnl386.exe shows what the SDK doesn't mention:
*
* returns:
* AL: driveletter
* AH: ':' - yes, some kernel code even does stosw with
* the returned AX.
* DX: 1 for success
*/
return MAKELONG( GetTempDrive(ignored) | (':' << 8), 1 );
}
/***********************************************************************
* GetWindowsDirectory16 (KERNEL.134)
*/
UINT16 WINAPI GetWindowsDirectory16( LPSTR path, UINT16 count )
{
return (UINT16)GetWindowsDirectory32A( path, count );
}
/***********************************************************************
* GetWindowsDirectory32A (KERNEL32.311)
*/
UINT32 WINAPI GetWindowsDirectory32A( LPSTR path, UINT32 count )
{
if (path) lstrcpyn32A( path, DIR_WindowsDosDir, count );
return strlen( DIR_WindowsDosDir );
}
/***********************************************************************
* GetWindowsDirectory32W (KERNEL32.312)
*/
UINT32 WINAPI GetWindowsDirectory32W( LPWSTR path, UINT32 count )
{
if (path) lstrcpynAtoW( path, DIR_WindowsDosDir, count );
return strlen( DIR_WindowsDosDir );
}
/***********************************************************************
* GetSystemDirectory16 (KERNEL.135)
*/
UINT16 WINAPI GetSystemDirectory16( LPSTR path, UINT16 count )
{
return (UINT16)GetSystemDirectory32A( path, count );
}
/***********************************************************************
* GetSystemDirectory32A (KERNEL32.282)
*/
UINT32 WINAPI GetSystemDirectory32A( LPSTR path, UINT32 count )
{
if (path) lstrcpyn32A( path, DIR_SystemDosDir, count );
return strlen( DIR_SystemDosDir );
}
/***********************************************************************
* GetSystemDirectory32W (KERNEL32.283)
*/
UINT32 WINAPI GetSystemDirectory32W( LPWSTR path, UINT32 count )
{
if (path) lstrcpynAtoW( path, DIR_SystemDosDir, count );
return strlen( DIR_SystemDosDir );
}
/***********************************************************************
* CreateDirectory16 (KERNEL.144)
*/
BOOL16 WINAPI CreateDirectory16( LPCSTR path, LPVOID dummy )
{
dprintf_file( stddeb,"CreateDirectory16(%s,%p)\n", path, dummy );
return (BOOL16)CreateDirectory32A( path, NULL );
}
/***********************************************************************
* CreateDirectory32A (KERNEL32.39)
*/
BOOL32 WINAPI CreateDirectory32A( LPCSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs )
{
DOS_FULL_NAME full_name;
LPCSTR unixName;
dprintf_file( stddeb, "CreateDirectory32A(%s,%p)\n", path, lpsecattribs );
if ((unixName = DOSFS_IsDevice( path )) != NULL)
{
dprintf_file(stddeb, "CreateDirectory: device '%s'!\n", unixName);
DOS_ERROR( ER_AccessDenied, EC_AccessDenied, SA_Abort, EL_Disk );
return FALSE;
}
if (!DOSFS_GetFullName( path, FALSE, &full_name )) return 0;
if ((mkdir( full_name.long_name, 0777 ) == -1) && (errno != EEXIST))
{
FILE_SetDosError();
return FALSE;
}
return TRUE;
}
/***********************************************************************
* CreateDirectory32W (KERNEL32.42)
*/
BOOL32 WINAPI CreateDirectory32W( LPCWSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs )
{
LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
BOOL32 ret = CreateDirectory32A( xpath, lpsecattribs );
HeapFree( GetProcessHeap(), 0, xpath );
return ret;
}
/***********************************************************************
* CreateDirectoryEx32A (KERNEL32.40)
*/
BOOL32 WINAPI CreateDirectoryEx32A( LPCSTR template, LPCSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs)
{
return CreateDirectory32A(path,lpsecattribs);
}
/***********************************************************************
* CreateDirectoryEx32W (KERNEL32.41)
*/
BOOL32 WINAPI CreateDirectoryEx32W( LPCWSTR template, LPCWSTR path,
LPSECURITY_ATTRIBUTES lpsecattribs)
{
return CreateDirectory32W(path,lpsecattribs);
}
/***********************************************************************
* RemoveDirectory16 (KERNEL)
*/
BOOL16 WINAPI RemoveDirectory16( LPCSTR path )
{
return (BOOL16)RemoveDirectory32A( path );
}
/***********************************************************************
* RemoveDirectory32A (KERNEL32.437)
*/
BOOL32 WINAPI RemoveDirectory32A( LPCSTR path )
{
DOS_FULL_NAME full_name;
LPCSTR unixName;
dprintf_file(stddeb, "RemoveDirectory: '%s'\n", path );
if ((unixName = DOSFS_IsDevice( path )) != NULL)
{
dprintf_file(stddeb, "RemoveDirectory: device '%s'!\n", unixName);
DOS_ERROR( ER_FileNotFound, EC_NotFound, SA_Abort, EL_Disk );
return FALSE;
}
if (!DOSFS_GetFullName( path, TRUE, &full_name )) return FALSE;
if (rmdir( full_name.long_name ) == -1)
{
FILE_SetDosError();
return FALSE;
}
return TRUE;
}
/***********************************************************************
* RemoveDirectory32W (KERNEL32.438)
*/
BOOL32 WINAPI RemoveDirectory32W( LPCWSTR path )
{
LPSTR xpath = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
BOOL32 ret = RemoveDirectory32A( xpath );
HeapFree( GetProcessHeap(), 0, xpath );
return ret;
}
/***********************************************************************
* DIR_TryPath
*
* Helper function for DIR_SearchPath.
*/
static BOOL32 DIR_TryPath( LPCSTR unix_dir, LPCSTR dos_dir, LPCSTR name,
DOS_FULL_NAME *full_name )
{
LPSTR p_l = full_name->long_name + strlen(unix_dir) + 1;
LPSTR p_s = full_name->short_name + strlen(dos_dir) + 1;
if ((p_s >= full_name->short_name + sizeof(full_name->short_name) - 14) ||
(p_l >= full_name->long_name + sizeof(full_name->long_name) - 1))
{
DOS_ERROR( ER_PathNotFound, EC_NotFound, SA_Abort, EL_Disk );
return FALSE;
}
if (!DOSFS_FindUnixName( unix_dir, name, p_l,
sizeof(full_name->long_name) - (p_l - full_name->long_name),
p_s, DRIVE_GetFlags( dos_dir[0] - 'A' ) ))
return FALSE;
strcpy( full_name->long_name, unix_dir );
p_l[-1] = '/';
strcpy( full_name->short_name, dos_dir );
p_s[-1] = '\\';
return TRUE;
}
/***********************************************************************
* DIR_TryModulePath
*
* Helper function for DIR_SearchPath.
*/
static BOOL32 DIR_TryModulePath( LPCSTR name, DOS_FULL_NAME *full_name )
{
/* FIXME: for now, GetModuleFileName32A can't return more */
/* than OFS_MAXPATHNAME. This may change with Win32. */
char buffer[OFS_MAXPATHNAME];
LPSTR p;
if (!GetCurrentTask()) return FALSE;
GetModuleFileName32A( GetCurrentTask(), buffer, sizeof(buffer) );
if (!(p = strrchr( buffer, '\\' ))) return FALSE;
if (sizeof(buffer) - (++p - buffer) <= strlen(name)) return FALSE;
strcpy( p, name );
return DOSFS_GetFullName( buffer, TRUE, full_name );
}
/***********************************************************************
* DIR_SearchPath
*
* Implementation of SearchPath32A. 'win32' specifies whether the search
* order is Win16 (module path last) or Win32 (module path first).
*
* FIXME: should return long path names.
*/
DWORD DIR_SearchPath( LPCSTR path, LPCSTR name, LPCSTR ext,
DOS_FULL_NAME *full_name, BOOL32 win32 )
{
DWORD len;
LPCSTR p;
int i;
LPSTR tmp = NULL;
BOOL32 ret = TRUE;
/* First check the supplied parameters */
p = strrchr( name, '.' );
if (p && !strchr( p, '/' ) && !strchr( p, '\\' ))
ext = NULL; /* Ignore the specified extension */
if ((*name && (name[1] == ':')) ||
strchr( name, '/' ) || strchr( name, '\\' ))
path = NULL; /* Ignore path if name already contains a path */
if (path && !*path) path = NULL; /* Ignore empty path */
len = strlen(name);
if (ext) len += strlen(ext);
if (path) len += strlen(path) + 1;
/* Allocate a buffer for the file name and extension */
if (path || ext)
{
if (!(tmp = HeapAlloc( GetProcessHeap(), 0, len + 1 )))
{
SetLastError( ERROR_OUTOFMEMORY );
return 0;
}
if (path)
{
strcpy( tmp, path );
strcat( tmp, "\\" );
strcat( tmp, name );
}
else strcpy( tmp, name );
if (ext) strcat( tmp, ext );
name = tmp;
}
/* If we have an explicit path, everything's easy */
if (path || (*name && (name[1] == ':')) ||
strchr( name, '/' ) || strchr( name, '\\' ))
{
ret = DOSFS_GetFullName( name, TRUE, full_name );
goto done;
}
/* Try the path of the current executable (for Win32 search order) */
if (win32 && DIR_TryModulePath( name, full_name )) goto done;
/* Try the current directory */
if (DOSFS_GetFullName( name, TRUE, full_name )) goto done;
/* Try the Windows directory */
if (DIR_TryPath( DIR_WindowsUnixDir, DIR_WindowsDosDir, name, full_name ))
goto done;
/* Try the Windows system directory */
if (DIR_TryPath( DIR_SystemUnixDir, DIR_SystemDosDir, name, full_name ))
goto done;
/* Try the path of the current executable (for Win16 search order) */
if (!win32 && DIR_TryModulePath( name, full_name )) goto done;
/* Try all directories in path */
for (i = 0; i < DIR_PathElements; i++)
{
if (DIR_TryPath( DIR_UnixPath[i], DIR_DosPath[i], name, full_name ))
goto done;
}
ret = FALSE;
done:
if (tmp) HeapFree( GetProcessHeap(), 0, tmp );
return ret;
}
/***********************************************************************
* SearchPath32A (KERNEL32.447)
*/
DWORD WINAPI SearchPath32A( LPCSTR path, LPCSTR name, LPCSTR ext, DWORD buflen,
LPSTR buffer, LPSTR *lastpart )
{
LPSTR p, res;
DOS_FULL_NAME full_name;
if (!DIR_SearchPath( path, name, ext, &full_name, TRUE )) return 0;
lstrcpyn32A( buffer, full_name.short_name, buflen );
res = full_name.long_name +
strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
while (*res == '/') res++;
if (buflen)
{
if (buflen > 3) lstrcpyn32A( buffer + 3, res, buflen - 3 );
for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
if (lastpart) *lastpart = strrchr( buffer, '\\' ) + 1;
}
return *res ? strlen(res) + 2 : 3;
}
/***********************************************************************
* SearchPath32W (KERNEL32.448)
*/
DWORD WINAPI SearchPath32W( LPCWSTR path, LPCWSTR name, LPCWSTR ext,
DWORD buflen, LPWSTR buffer, LPWSTR *lastpart )
{
LPWSTR p;
LPSTR res;
DOS_FULL_NAME full_name;
LPSTR pathA = HEAP_strdupWtoA( GetProcessHeap(), 0, path );
LPSTR nameA = HEAP_strdupWtoA( GetProcessHeap(), 0, name );
LPSTR extA = HEAP_strdupWtoA( GetProcessHeap(), 0, ext );
DWORD ret = DIR_SearchPath( pathA, nameA, extA, &full_name, TRUE );
HeapFree( GetProcessHeap(), 0, extA );
HeapFree( GetProcessHeap(), 0, nameA );
HeapFree( GetProcessHeap(), 0, pathA );
if (!ret) return 0;
lstrcpynAtoW( buffer, full_name.short_name, buflen );
res = full_name.long_name +
strlen(DRIVE_GetRoot( full_name.short_name[0] - 'A' ));
while (*res == '/') res++;
if (buflen)
{
if (buflen > 3) lstrcpynAtoW( buffer + 3, res, buflen - 3 );
for (p = buffer; *p; p++) if (*p == '/') *p = '\\';
if (lastpart)
{
for (p = *lastpart = buffer; *p; p++)
if (*p == '\\') *lastpart = p + 1;
}
}
return *res ? strlen(res) + 2 : 3;
}
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