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/*
* DOS file system functions
*
* Copyright 1993 Erik Bos
* Copyright 1996 Alexandre Julliard
*
* 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 "config.h"
#include "wine/port.h"
#include <sys/types.h>
#include <ctype.h>
#include <dirent.h>
#include <errno.h>
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#include <fcntl.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include <time.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wingdi.h"
#include "wine/unicode.h"
#include "wine/winbase16.h"
#include "drive.h"
#include "file.h"
#include "winternl.h"
#include "wine/server.h"
#include "wine/exception.h"
#include "excpt.h"
#include "smb.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dosfs);
WINE_DECLARE_DEBUG_CHANNEL(file);
/* Define the VFAT ioctl to get both short and long file names */
/* FIXME: is it possible to get this to work on other systems? */
#ifdef linux
/* We want the real kernel dirent structure, not the libc one */
typedef struct
{
long d_ino;
long d_off;
unsigned short d_reclen;
char d_name[256];
} KERNEL_DIRENT;
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, KERNEL_DIRENT [2] )
/* To avoid blocking on non-directories in DOSFS_OpenDir_VFAT*/
#ifndef O_DIRECTORY
# define O_DIRECTORY 0200000 /* must be directory */
#endif
#else /* linux */
#undef VFAT_IOCTL_READDIR_BOTH /* just in case... */
#endif /* linux */
#define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
/* Chars we don't want to see in DOS file names */
#define INVALID_DOS_CHARS "*?<>|\"+=,;[] \345"
/* DOS device descriptor */
typedef struct
{
const WCHAR name[5];
} DOS_DEVICE;
static const DOS_DEVICE DOSFS_Devices[] =
/* name, device flags (see Int 21/AX=0x4400) */
{
{ {'C','O','N',0} },
{ {'P','R','N',0} },
{ {'N','U','L',0} },
{ {'A','U','X',0} },
{ {'L','P','T','1',0} },
{ {'L','P','T','2',0} },
{ {'L','P','T','3',0} },
{ {'L','P','T','4',0} },
{ {'C','O','M','1',0} },
{ {'C','O','M','2',0} },
{ {'C','O','M','3',0} },
{ {'C','O','M','4',0} }
};
static const WCHAR devW[] = {'\\','D','e','v','i','c','e','\\',0};
static const WCHAR dosW[] = {'\\','D','o','s','D','e','v','i','c','e','s','\\',0};
static const WCHAR auxW[] = {'A','U','X',0};
static const WCHAR comW[] = {'C','O','M',0};
static const WCHAR lptW[] = {'L','P','T',0};
static const WCHAR nulW[] = {'N','U','L',0};
static const WCHAR nullW[] = {'N','u','l','l',0};
static const WCHAR parW[] = {'P','a','r','a','l','l','e','l',0};
static const WCHAR serW[] = {'S','e','r','i','a','l',0};
static const WCHAR oneW[] = {'1',0};
/*
* Directory info for DOSFS_ReadDir
* contains the names of *all* the files in the directory
*/
typedef struct
{
int used;
int size;
WCHAR names[1];
} DOS_DIR;
/* Info structure for FindFirstFile handle */
typedef struct
{
char *path; /* unix path */
LPWSTR long_mask;
int drive;
int cur_pos;
CRITICAL_SECTION cs;
union
{
DOS_DIR *dos_dir;
SMB_DIR *smb_dir;
} u;
} FIND_FIRST_INFO;
static WINE_EXCEPTION_FILTER(page_fault)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
/***********************************************************************
* DOSFS_ValidDOSName
*
* Return 1 if Unix file 'name' is also a valid MS-DOS name
* (i.e. contains only valid DOS chars, lower-case only, fits in 8.3 format).
* File name can be terminated by '\0', '\\' or '/'.
*/
static int DOSFS_ValidDOSName( LPCWSTR name, int ignore_case )
{
static const char invalid_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" INVALID_DOS_CHARS;
const WCHAR *p = name;
const char *invalid = ignore_case ? (invalid_chars + 26) : invalid_chars;
int len = 0;
if (*p == '.')
{
/* Check for "." and ".." */
p++;
if (*p == '.') p++;
/* All other names beginning with '.' are invalid */
return (IS_END_OF_NAME(*p));
}
while (!IS_END_OF_NAME(*p))
{
if (*p < 256 && strchr( invalid, (char)*p )) return 0; /* Invalid char */
if (*p == '.') break; /* Start of the extension */
if (++len > 8) return 0; /* Name too long */
p++;
}
if (*p != '.') return 1; /* End of name */
p++;
if (IS_END_OF_NAME(*p)) return 0; /* Empty extension not allowed */
len = 0;
while (!IS_END_OF_NAME(*p))
{
if (*p < 256 && strchr( invalid, (char)*p )) return 0; /* Invalid char */
if (*p == '.') return 0; /* Second extension not allowed */
if (++len > 3) return 0; /* Extension too long */
p++;
}
return 1;
}
/***********************************************************************
* DOSFS_ToDosFCBFormat
*
* Convert a file name to DOS FCB format (8+3 chars, padded with blanks),
* expanding wild cards and converting to upper-case in the process.
* File name can be terminated by '\0', '\\' or '/'.
* Return FALSE if the name is not a valid DOS name.
* 'buffer' must be at least 12 characters long.
*/
BOOL DOSFS_ToDosFCBFormat( LPCWSTR name, LPWSTR buffer )
{
static const char invalid_chars[] = INVALID_DOS_CHARS;
LPCWSTR p = name;
int i;
/* Check for "." and ".." */
if (*p == '.')
{
p++;
buffer[0] = '.';
for(i = 1; i < 11; i++) buffer[i] = ' ';
buffer[11] = 0;
if (*p == '.')
{
buffer[1] = '.';
p++;
}
return (!*p || (*p == '/') || (*p == '\\'));
}
for (i = 0; i < 8; i++)
{
switch(*p)
{
case '\0':
case '\\':
case '/':
case '.':
buffer[i] = ' ';
break;
case '?':
p++;
/* fall through */
case '*':
buffer[i] = '?';
break;
default:
if (*p < 256 && strchr( invalid_chars, (char)*p )) return FALSE;
buffer[i] = toupperW(*p);
p++;
break;
}
}
if (*p == '*')
{
/* Skip all chars after wildcard up to first dot */
while (*p && (*p != '/') && (*p != '\\') && (*p != '.')) p++;
}
else
{
/* Check if name too long */
if (*p && (*p != '/') && (*p != '\\') && (*p != '.')) return FALSE;
}
if (*p == '.') p++; /* Skip dot */
for (i = 8; i < 11; i++)
{
switch(*p)
{
case '\0':
case '\\':
case '/':
buffer[i] = ' ';
break;
case '.':
return FALSE; /* Second extension not allowed */
case '?':
p++;
/* fall through */
case '*':
buffer[i] = '?';
break;
default:
if (*p < 256 && strchr( invalid_chars, (char)*p )) return FALSE;
buffer[i] = toupperW(*p);
p++;
break;
}
}
buffer[11] = '\0';
/* at most 3 character of the extension are processed
* is something behind this ?
*/
while (*p == '*' || *p == ' ') p++; /* skip wildcards and spaces */
return IS_END_OF_NAME(*p);
}
/***********************************************************************
* DOSFS_ToDosDTAFormat
*
* Convert a file name from FCB to DTA format (name.ext, null-terminated)
* converting to upper-case in the process.
* File name can be terminated by '\0', '\\' or '/'.
* 'buffer' must be at least 13 characters long.
*/
static void DOSFS_ToDosDTAFormat( LPCWSTR name, LPWSTR buffer )
{
LPWSTR p;
memcpy( buffer, name, 8 * sizeof(WCHAR) );
p = buffer + 8;
while ((p > buffer) && (p[-1] == ' ')) p--;
*p++ = '.';
memcpy( p, name + 8, 3 * sizeof(WCHAR) );
p += 3;
while (p[-1] == ' ') p--;
if (p[-1] == '.') p--;
*p = '\0';
}
/***********************************************************************
* DOSFS_MatchLong
*
* Check a long file name against a mask.
*
* Tests (done in W95 DOS shell - case insensitive):
* *.txt test1.test.txt *
* *st1* test1.txt *
* *.t??????.t* test1.ta.tornado.txt *
* *tornado* test1.ta.tornado.txt *
* t*t test1.ta.tornado.txt *
* ?est* test1.txt *
* ?est??? test1.txt -
* *test1.txt* test1.txt *
* h?l?o*t.dat hellothisisatest.dat *
*/
static int DOSFS_MatchLong( LPCWSTR mask, LPCWSTR name, int case_sensitive )
{
LPCWSTR lastjoker = NULL;
LPCWSTR next_to_retry = NULL;
static const WCHAR asterisk_dot_asterisk[] = {'*','.','*',0};
TRACE("(%s, %s, %x)\n", debugstr_w(mask), debugstr_w(name), case_sensitive);
if (!strcmpW( mask, asterisk_dot_asterisk )) return 1;
while (*name && *mask)
{
if (*mask == '*')
{
mask++;
while (*mask == '*') mask++; /* Skip consecutive '*' */
lastjoker = mask;
if (!*mask) return 1; /* end of mask is all '*', so match */
/* skip to the next match after the joker(s) */
if (case_sensitive) while (*name && (*name != *mask)) name++;
else while (*name && (toupperW(*name) != toupperW(*mask))) name++;
if (!*name) break;
next_to_retry = name;
}
else if (*mask != '?')
{
int mismatch = 0;
if (case_sensitive)
{
if (*mask != *name) mismatch = 1;
}
else
{
if (toupperW(*mask) != toupperW(*name)) mismatch = 1;
}
if (!mismatch)
{
mask++;
name++;
if (*mask == '\0')
{
if (*name == '\0')
return 1;
if (lastjoker)
mask = lastjoker;
}
}
else /* mismatch ! */
{
if (lastjoker) /* we had an '*', so we can try unlimitedly */
{
mask = lastjoker;
/* this scan sequence was a mismatch, so restart
* 1 char after the first char we checked last time */
next_to_retry++;
name = next_to_retry;
}
else
return 0; /* bad luck */
}
}
else /* '?' */
{
mask++;
name++;
}
}
while ((*mask == '.') || (*mask == '*'))
mask++; /* Ignore trailing '.' or '*' in mask */
return (!*name && !*mask);
}
/***********************************************************************
* DOSFS_AddDirEntry
*
* Used to construct an array of filenames in DOSFS_OpenDir
*/
static BOOL DOSFS_AddDirEntry(DOS_DIR **dir, LPCWSTR name, LPCWSTR dosname)
{
int extra1 = strlenW(name) + 1;
int extra2 = strlenW(dosname) + 1;
/* if we need more, at minimum double the size */
if( (extra1 + extra2 + (*dir)->used) > (*dir)->size)
{
int more = (*dir)->size;
DOS_DIR *t;
if(more<(extra1+extra2))
more = extra1+extra2;
t = HeapReAlloc(GetProcessHeap(), 0, *dir, sizeof(**dir) +
((*dir)->size + more)*sizeof(WCHAR) );
if(!t)
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
ERR("Out of memory caching directory structure %d %d %d\n",
(*dir)->size, more, (*dir)->used);
return FALSE;
}
(*dir) = t;
(*dir)->size += more;
}
/* at this point, the dir structure is big enough to hold these names */
strcpyW(&(*dir)->names[(*dir)->used], name);
(*dir)->used += extra1;
strcpyW(&(*dir)->names[(*dir)->used], dosname);
(*dir)->used += extra2;
return TRUE;
}
/***********************************************************************
* DOSFS_OpenDir_VFAT
*/
static BOOL DOSFS_OpenDir_VFAT(DOS_DIR **dir, const char *unix_path)
{
#ifdef VFAT_IOCTL_READDIR_BOTH
KERNEL_DIRENT de[2];
int fd = open( unix_path, O_RDONLY|O_DIRECTORY );
BOOL r = TRUE;
/* Check if the VFAT ioctl is supported on this directory */
if ( fd<0 )
return FALSE;
while (1)
{
WCHAR long_name[MAX_PATH];
WCHAR short_name[12];
r = (ioctl( fd, VFAT_IOCTL_READDIR_BOTH, (long)de ) != -1);
if(!r)
break;
if (!de[0].d_reclen)
break;
MultiByteToWideChar(CP_UNIXCP, 0, de[0].d_name, -1, long_name, MAX_PATH);
if (!DOSFS_ToDosFCBFormat( long_name, short_name ))
short_name[0] = '\0';
if (de[1].d_name[0])
MultiByteToWideChar(CP_UNIXCP, 0, de[1].d_name, -1, long_name, MAX_PATH);
else
MultiByteToWideChar(CP_UNIXCP, 0, de[0].d_name, -1, long_name, MAX_PATH);
r = DOSFS_AddDirEntry(dir, long_name, short_name );
if(!r)
break;
}
if(r)
{
static const WCHAR empty_strW[] = { 0 };
DOSFS_AddDirEntry(dir, empty_strW, empty_strW);
}
close(fd);
return r;
#else
return FALSE;
#endif /* VFAT_IOCTL_READDIR_BOTH */
}
/***********************************************************************
* DOSFS_OpenDir_Normal
*
* Now use the standard opendir/readdir interface
*/
static BOOL DOSFS_OpenDir_Normal( DOS_DIR **dir, const char *unix_path )
{
DIR *unixdir = opendir( unix_path );
BOOL r = TRUE;
static const WCHAR empty_strW[] = { 0 };
if(!unixdir)
return FALSE;
while(1)
{
WCHAR long_name[MAX_PATH];
struct dirent *de = readdir(unixdir);
if(!de)
break;
MultiByteToWideChar(CP_UNIXCP, 0, de->d_name, -1, long_name, MAX_PATH);
r = DOSFS_AddDirEntry(dir, long_name, empty_strW);
if(!r)
break;
}
if(r)
DOSFS_AddDirEntry(dir, empty_strW, empty_strW);
closedir(unixdir);
return r;
}
/***********************************************************************
* DOSFS_OpenDir
*/
static DOS_DIR *DOSFS_OpenDir( const char *unix_path )
{
const int init_size = 0x100;
DOS_DIR *dir = HeapAlloc( GetProcessHeap(), 0, sizeof(*dir) + init_size*sizeof (WCHAR));
BOOL r;
TRACE("%s\n",debugstr_a(unix_path));
if (!dir)
{
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
return NULL;
}
dir->used = 0;
dir->size = init_size;
/* Treat empty path as root directory. This simplifies path split into
directory and mask in several other places */
if (!*unix_path) unix_path = "/";
r = DOSFS_OpenDir_VFAT( &dir, unix_path);
if(!r)
r = DOSFS_OpenDir_Normal( &dir, unix_path);
if(!r)
{
HeapFree(GetProcessHeap(), 0, dir);
return NULL;
}
dir->used = 0;
return dir;
}
/***********************************************************************
* DOSFS_CloseDir
*/
static void DOSFS_CloseDir( DOS_DIR *dir )
{
HeapFree( GetProcessHeap(), 0, dir );
}
/***********************************************************************
* DOSFS_ReadDir
*/
static BOOL DOSFS_ReadDir( DOS_DIR *dir, LPCWSTR *long_name,
LPCWSTR *short_name )
{
LPCWSTR sn, ln;
if (!dir)
return FALSE;
/* the long pathname is first */
ln = &dir->names[dir->used];
if(ln[0])
*long_name = ln;
else
return FALSE;
dir->used += (strlenW(ln) + 1);
/* followed by the short path name */
sn = &dir->names[dir->used];
if(sn[0])
*short_name = sn;
else
*short_name = NULL;
dir->used += (strlenW(sn) + 1);
return TRUE;
}
/***********************************************************************
* DOSFS_Hash
*
* Transform a Unix file name into a hashed DOS name. If the name is a valid
* DOS name, it is converted to upper-case; otherwise it is replaced by a
* hashed version that fits in 8.3 format.
* File name can be terminated by '\0', '\\' or '/'.
* 'buffer' must be at least 13 characters long.
*/
static void DOSFS_Hash( LPCWSTR name, LPWSTR buffer, BOOL dir_format,
BOOL ignore_case )
{
static const char invalid_chars[] = INVALID_DOS_CHARS "~.";
static const char hash_chars[32] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ012345";
LPCWSTR p, ext;
LPWSTR dst;
unsigned short hash;
int i;
if (dir_format)
{
for(i = 0; i < 11; i++) buffer[i] = ' ';
buffer[11] = 0;
}
if (DOSFS_ValidDOSName( name, ignore_case ))
{
/* Check for '.' and '..' */
if (*name == '.')
{
buffer[0] = '.';
if (!dir_format) buffer[1] = buffer[2] = '\0';
if (name[1] == '.') buffer[1] = '.';
return;
}
/* Simply copy the name, converting to uppercase */
for (dst = buffer; !IS_END_OF_NAME(*name) && (*name != '.'); name++)
*dst++ = toupperW(*name);
if (*name == '.')
{
if (dir_format) dst = buffer + 8;
else *dst++ = '.';
for (name++; !IS_END_OF_NAME(*name); name++)
*dst++ = toupperW(*name);
}
if (!dir_format) *dst = '\0';
return;
}
/* Compute the hash code of the file name */
/* If you know something about hash functions, feel free to */
/* insert a better algorithm here... */
if (ignore_case)
{
for (p = name, hash = 0xbeef; !IS_END_OF_NAME(p[1]); p++)
hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p) ^ (tolowerW(p[1]) << 8);
hash = (hash<<3) ^ (hash>>5) ^ tolowerW(*p); /* Last character */
}
else
{
for (p = name, hash = 0xbeef; !IS_END_OF_NAME(p[1]); p++)
hash = (hash << 3) ^ (hash >> 5) ^ *p ^ (p[1] << 8);
hash = (hash << 3) ^ (hash >> 5) ^ *p; /* Last character */
}
/* Find last dot for start of the extension */
for (p = name+1, ext = NULL; !IS_END_OF_NAME(*p); p++)
if (*p == '.') ext = p;
if (ext && IS_END_OF_NAME(ext[1]))
ext = NULL; /* Empty extension ignored */
/* Copy first 4 chars, replacing invalid chars with '_' */
for (i = 4, p = name, dst = buffer; i > 0; i--, p++)
{
if (IS_END_OF_NAME(*p) || (p == ext)) break;
*dst++ = (*p < 256 && strchr( invalid_chars, (char)*p )) ? '_' : toupperW(*p);
}
/* Pad to 5 chars with '~' */
while (i-- >= 0) *dst++ = '~';
/* Insert hash code converted to 3 ASCII chars */
*dst++ = hash_chars[(hash >> 10) & 0x1f];
*dst++ = hash_chars[(hash >> 5) & 0x1f];
*dst++ = hash_chars[hash & 0x1f];
/* Copy the first 3 chars of the extension (if any) */
if (ext)
{
if (!dir_format) *dst++ = '.';
for (i = 3, ext++; (i > 0) && !IS_END_OF_NAME(*ext); i--, ext++)
*dst++ = (*ext < 256 && strchr( invalid_chars, (char)*ext )) ? '_' : toupperW(*ext);
}
if (!dir_format) *dst = '\0';
}
/***********************************************************************
* DOSFS_FindUnixName
*
* Find the Unix file name in a given directory that corresponds to
* a file name (either in Unix or DOS format).
* File name can be terminated by '\0', '\\' or '/'.
* Return TRUE if OK, FALSE if no file name matches.
*
* 'long_buf' must be at least 'long_len' characters long. If the long name
* turns out to be larger than that, the function returns FALSE.
* 'short_buf' must be at least 13 characters long.
*/
BOOL DOSFS_FindUnixName( const DOS_FULL_NAME *path, LPCWSTR name, char *long_buf,
INT long_len, LPWSTR short_buf, BOOL ignore_case)
{
DOS_DIR *dir;
LPCWSTR long_name, short_name;
WCHAR dos_name[12], tmp_buf[13];
BOOL ret;
LPCWSTR p = strchrW( name, '/' );
int len = p ? (int)(p - name) : strlenW(name);
if ((p = strchrW( name, '\\' ))) len = min( (int)(p - name), len );
/* Ignore trailing dots and spaces */
while (len > 1 && (name[len-1] == '.' || name[len-1] == ' ')) len--;
if (long_len < len + 1) return FALSE;
TRACE("%s,%s\n", path->long_name, debugstr_w(name) );
if (!DOSFS_ToDosFCBFormat( name, dos_name )) dos_name[0] = '\0';
if (!(dir = DOSFS_OpenDir( path->long_name )))
{
WARN("(%s,%s): can't open dir: %s\n",
path->long_name, debugstr_w(name), strerror(errno) );
return FALSE;
}
while ((ret = DOSFS_ReadDir( dir, &long_name, &short_name )))
{
/* Check against Unix name */
if (len == strlenW(long_name))
{
if (!ignore_case)
{
if (!strncmpW( long_name, name, len )) break;
}
else
{
if (!strncmpiW( long_name, name, len )) break;
}
}
if (dos_name[0])
{
/* Check against hashed DOS name */
if (!short_name)
{
DOSFS_Hash( long_name, tmp_buf, TRUE, ignore_case );
short_name = tmp_buf;
}
if (!strcmpW( dos_name, short_name )) break;
}
}
if (ret)
{
if (long_buf) WideCharToMultiByte(CP_UNIXCP, 0, long_name, -1, long_buf, long_len, NULL, NULL);
if (short_buf)
{
if (short_name)
DOSFS_ToDosDTAFormat( short_name, short_buf );
else
DOSFS_Hash( long_name, short_buf, FALSE, ignore_case );
}
TRACE("(%s,%s) -> %s (%s)\n", path->long_name, debugstr_w(name),
debugstr_w(long_name), short_buf ? debugstr_w(short_buf) : "***");
}
else
WARN("%s not found in '%s'\n", debugstr_w(name), path->long_name);
DOSFS_CloseDir( dir );
return ret;
}
/**************************************************************************
* DOSFS_CreateCommPort
*/
static HANDLE DOSFS_CreateCommPort(LPCWSTR name, DWORD access, DWORD attributes, LPSECURITY_ATTRIBUTES sa)
{
HANDLE ret;
HKEY hkey;
DWORD dummy;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
WCHAR *devnameW;
char tmp[128];
char devname[40];
static const WCHAR serialportsW[] = {'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'W','i','n','e','\\','W','i','n','e','\\',
'C','o','n','f','i','g','\\',
'S','e','r','i','a','l','P','o','r','t','s',0};
TRACE_(file)("%s %lx %lx\n", debugstr_w(name), access, attributes);
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, serialportsW );
if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) return 0;
RtlInitUnicodeString( &nameW, name );
if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
devnameW = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
else
devnameW = NULL;
NtClose( hkey );
if (!devnameW) return 0;
WideCharToMultiByte(CP_ACP, 0, devnameW, -1, devname, sizeof(devname), NULL, NULL);
TRACE("opening %s as %s\n", devname, debugstr_w(name));
SERVER_START_REQ( create_serial )
{
req->access = access;
req->inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
req->attributes = attributes;
req->sharing = FILE_SHARE_READ|FILE_SHARE_WRITE;
wine_server_add_data( req, devname, strlen(devname) );
SetLastError(0);
wine_server_call_err( req );
ret = reply->handle;
}
SERVER_END_REQ;
if(!ret)
ERR("Couldn't open device '%s' ! (check permissions)\n",devname);
else
TRACE("return %p\n", ret );
return ret;
}
/***********************************************************************
* DOSFS_OpenDevice
*
* Open a DOS device. This might not map 1:1 into the UNIX device concept.
* Returns 0 on failure.
*/
HANDLE DOSFS_OpenDevice( LPCWSTR name, DWORD access, DWORD attributes, LPSECURITY_ATTRIBUTES sa )
{
unsigned int i;
const WCHAR *p;
HANDLE handle;
if (name[0] && (name[1] == ':')) name += 2;
if ((p = strrchrW( name, '/' ))) name = p + 1;
if ((p = strrchrW( name, '\\' ))) name = p + 1;
for (i = 0; i < sizeof(DOSFS_Devices)/sizeof(DOSFS_Devices[0]); i++)
{
const WCHAR *dev = DOSFS_Devices[i].name;
if (!strncmpiW( dev, name, strlenW(dev) ))
{
p = name + strlenW( dev );
if (!*p || (*p == '.') || (*p == ':')) {
static const WCHAR nulW[] = {'N','U','L',0};
static const WCHAR conW[] = {'C','O','N',0};
/* got it */
if (!strcmpiW(DOSFS_Devices[i].name, nulW))
return FILE_CreateFile( "/dev/null", access,
FILE_SHARE_READ|FILE_SHARE_WRITE, sa,
OPEN_EXISTING, 0, 0, TRUE, DRIVE_UNKNOWN );
if (!strcmpiW(DOSFS_Devices[i].name, conW)) {
HANDLE to_dup;
switch (access & (GENERIC_READ|GENERIC_WRITE)) {
case GENERIC_READ:
to_dup = GetStdHandle( STD_INPUT_HANDLE );
break;
case GENERIC_WRITE:
to_dup = GetStdHandle( STD_OUTPUT_HANDLE );
break;
default:
FIXME("can't open CON read/write\n");
return 0;
}
if (!DuplicateHandle( GetCurrentProcess(), to_dup, GetCurrentProcess(),
&handle, 0,
sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle,
DUPLICATE_SAME_ACCESS ))
handle = 0;
return handle;
}
if( (handle=DOSFS_CreateCommPort(DOSFS_Devices[i].name,access,attributes,sa)) )
return handle;
FIXME("device open %s not supported (yet)\n", debugstr_w(DOSFS_Devices[i].name));
return 0;
}
}
}
return 0;
}
/***********************************************************************
* DOSFS_GetPathDrive
*
* Get the drive specified by a given path name (DOS or Unix format).
*/
static int DOSFS_GetPathDrive( LPCWSTR *name )
{
int drive;
LPCWSTR p = *name;
if (*p && (p[1] == ':'))
{
drive = toupperW(*p) - 'A';
*name += 2;
}
else if (*p == '/') /* Absolute Unix path? */
{
if ((drive = DRIVE_FindDriveRootW( name )) == -1)
{
MESSAGE("Warning: %s not accessible from a configured DOS drive\n", debugstr_w(*name) );
/* Assume it really was a DOS name */
drive = DRIVE_GetCurrentDrive();
}
}
else drive = DRIVE_GetCurrentDrive();
if (!DRIVE_IsValid(drive))
{
SetLastError( ERROR_INVALID_DRIVE );
return -1;
}
return drive;
}
/***********************************************************************
* DOSFS_GetFullName
*
* Convert a file name (DOS or mixed DOS/Unix format) to a valid
* Unix name / short DOS name pair.
* Return FALSE if one of the path components does not exist. The last path
* component is only checked if 'check_last' is non-zero.
* The buffers pointed to by 'long_buf' and 'short_buf' must be
* at least MAX_PATHNAME_LEN long.
*/
BOOL DOSFS_GetFullName( LPCWSTR name, BOOL check_last, DOS_FULL_NAME *full )
{
BOOL found;
UINT flags;
char *p_l, *root;
LPWSTR p_s;
static const WCHAR driveA_rootW[] = {'A',':','\\',0};
static const WCHAR dos_rootW[] = {'\\',0};
TRACE("%s (last=%d)\n", debugstr_w(name), check_last );
if ((!*name) || (*name=='\n'))
{ /* error code for Win98 */
SetLastError(ERROR_BAD_PATHNAME);
return FALSE;
}
if ((full->drive = DOSFS_GetPathDrive( &name )) == -1) return FALSE;
flags = DRIVE_GetFlags( full->drive );
lstrcpynA( full->long_name, DRIVE_GetRoot( full->drive ),
sizeof(full->long_name) );
if (full->long_name[1]) root = full->long_name + strlen(full->long_name);
else root = full->long_name; /* root directory */
strcpyW( full->short_name, driveA_rootW );
full->short_name[0] += full->drive;
if ((*name == '\\') || (*name == '/')) /* Absolute path */
{
while ((*name == '\\') || (*name == '/')) name++;
}
else /* Relative path */
{
lstrcpynA( root + 1, DRIVE_GetUnixCwd( full->drive ),
sizeof(full->long_name) - (root - full->long_name) - 1 );
if (root[1]) *root = '/';
lstrcpynW( full->short_name + 3, DRIVE_GetDosCwd( full->drive ),
sizeof(full->short_name)/sizeof(full->short_name[0]) - 3 );
}
p_l = full->long_name[1] ? full->long_name + strlen(full->long_name)
: full->long_name;
p_s = full->short_name[3] ? full->short_name + strlenW(full->short_name)
: full->short_name + 2;
found = TRUE;
while (*name && found)
{
/* Check for '.' and '..' */
if (*name == '.')
{
if (IS_END_OF_NAME(name[1]))
{
name++;
while ((*name == '\\') || (*name == '/')) name++;
continue;
}
else if ((name[1] == '.') && IS_END_OF_NAME(name[2]))
{
name += 2;
while ((*name == '\\') || (*name == '/')) name++;
while ((p_l > root) && (*p_l != '/')) p_l--;
while ((p_s > full->short_name + 2) && (*p_s != '\\')) p_s--;
*p_l = *p_s = '\0'; /* Remove trailing separator */
continue;
}
}
/* Make sure buffers are large enough */
if ((p_s >= full->short_name + sizeof(full->short_name)/sizeof(full->short_name[0]) - 14) ||
(p_l >= full->long_name + sizeof(full->long_name) - 1))
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
/* Get the long and short name matching the file name */
if ((found = DOSFS_FindUnixName( full, name, p_l + 1,
sizeof(full->long_name) - (p_l - full->long_name) - 1,
p_s + 1, !(flags & DRIVE_CASE_SENSITIVE) )))
{
*p_l++ = '/';
p_l += strlen(p_l);
*p_s++ = '\\';
p_s += strlenW(p_s);
while (!IS_END_OF_NAME(*name)) name++;
}
else if (!check_last)
{
*p_l++ = '/';
*p_s++ = '\\';
while (!IS_END_OF_NAME(*name) &&
(p_s < full->short_name + sizeof(full->short_name)/sizeof(full->short_name[0]) - 1) &&
(p_l < full->long_name + sizeof(full->long_name) - 1))
{
WCHAR wch;
*p_s++ = tolowerW(*name);
/* If the drive is case-sensitive we want to create new */
/* files in lower-case otherwise we can't reopen them */
/* under the same short name. */
if (flags & DRIVE_CASE_SENSITIVE) wch = tolowerW(*name);
else wch = *name;
p_l += WideCharToMultiByte(CP_UNIXCP, 0, &wch, 1, p_l, 2, NULL, NULL);
name++;
}
/* Ignore trailing dots and spaces */
while(p_l[-1] == '.' || p_l[-1] == ' ') {
--p_l;
--p_s;
}
*p_l = '\0';
*p_s = '\0';
}
while ((*name == '\\') || (*name == '/')) name++;
}
if (!found)
{
if (check_last)
{
SetLastError( ERROR_FILE_NOT_FOUND );
return FALSE;
}
if (*name) /* Not last */
{
SetLastError( ERROR_PATH_NOT_FOUND );
return FALSE;
}
}
if (!full->long_name[0]) strcpy( full->long_name, "/" );
if (!full->short_name[2]) strcpyW( full->short_name + 2, dos_rootW );
TRACE("returning %s = %s\n", full->long_name, debugstr_w(full->short_name) );
return TRUE;
}
/***********************************************************************
* wine_get_unix_file_name (KERNEL32.@) Not a Windows API
*
* Return the full Unix file name for a given path.
*/
BOOL WINAPI wine_get_unix_file_name( LPCWSTR dosW, LPSTR buffer, DWORD len )
{
BOOL ret;
DOS_FULL_NAME path;
ret = DOSFS_GetFullName( dosW, FALSE, &path );
if (ret && len)
{
strncpy( buffer, path.long_name, len );
buffer[len - 1] = 0; /* ensure 0 termination */
}
return ret;
}
/***********************************************************************
* get_show_dir_symlinks_option
*/
static BOOL get_show_dir_symlinks_option(void)
{
static const WCHAR WineW[] = {'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'W','i','n','e','\\','W','i','n','e','\\',
'C','o','n','f','i','g','\\','W','i','n','e',0};
static const WCHAR ShowDirSymlinksW[] = {'S','h','o','w','D','i','r','S','y','m','l','i','n','k','s',0};
char tmp[80];
HKEY hkey;
DWORD dummy;
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW;
BOOL ret = FALSE;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, WineW );
if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
{
RtlInitUnicodeString( &nameW, ShowDirSymlinksW );
if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
{
WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
ret = IS_OPTION_TRUE( str[0] );
}
NtClose( hkey );
}
return ret;
}
/***********************************************************************
* DOSFS_FindNextEx
*/
static int DOSFS_FindNextEx( FIND_FIRST_INFO *info, WIN32_FIND_DATAW *entry )
{
UINT flags = DRIVE_GetFlags( info->drive );
char *p, buffer[MAX_PATHNAME_LEN];
const char *drive_path;
int drive_root;
LPCWSTR long_name, short_name;
BY_HANDLE_FILE_INFORMATION fileinfo;
BOOL is_symlink;
drive_path = info->path + strlen(DRIVE_GetRoot( info->drive ));
while ((*drive_path == '/') || (*drive_path == '\\')) drive_path++;
drive_root = !*drive_path;
lstrcpynA( buffer, info->path, sizeof(buffer) - 1 );
strcat( buffer, "/" );
p = buffer + strlen(buffer);
while (DOSFS_ReadDir( info->u.dos_dir, &long_name, &short_name ))
{
info->cur_pos++;
/* Don't return '.' and '..' in the root of the drive */
if (drive_root && (long_name[0] == '.') &&
(!long_name[1] || ((long_name[1] == '.') && !long_name[2])))
continue;
/* Check the long mask */
if (info->long_mask && *info->long_mask)
{
if (!DOSFS_MatchLong( info->long_mask, long_name,
flags & DRIVE_CASE_SENSITIVE )) continue;
}
/* Check the file attributes */
WideCharToMultiByte(CP_UNIXCP, 0, long_name, -1,
p, sizeof(buffer) - (int)(p - buffer), NULL, NULL);
if (!FILE_Stat( buffer, &fileinfo, &is_symlink ))
{
WARN("can't stat %s\n", buffer);
continue;
}
if (is_symlink && (fileinfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
static int show_dir_symlinks = -1;
if (show_dir_symlinks == -1)
show_dir_symlinks = get_show_dir_symlinks_option();
if (!show_dir_symlinks) continue;
}
/* We now have a matching entry; fill the result and return */
entry->dwFileAttributes = fileinfo.dwFileAttributes;
entry->ftCreationTime = fileinfo.ftCreationTime;
entry->ftLastAccessTime = fileinfo.ftLastAccessTime;
entry->ftLastWriteTime = fileinfo.ftLastWriteTime;
entry->nFileSizeHigh = fileinfo.nFileSizeHigh;
entry->nFileSizeLow = fileinfo.nFileSizeLow;
if (short_name)
DOSFS_ToDosDTAFormat( short_name, entry->cAlternateFileName );
else
DOSFS_Hash( long_name, entry->cAlternateFileName, FALSE,
!(flags & DRIVE_CASE_SENSITIVE) );
lstrcpynW( entry->cFileName, long_name, sizeof(entry->cFileName)/sizeof(entry->cFileName[0]) );
if (!(flags & DRIVE_CASE_PRESERVING)) strlwrW( entry->cFileName );
TRACE("returning %s (%s) %02lx %ld\n",
debugstr_w(entry->cFileName), debugstr_w(entry->cAlternateFileName),
entry->dwFileAttributes, entry->nFileSizeLow );
return 1;
}
return 0; /* End of directory */
}
/*************************************************************************
* FindFirstFileExW (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileExW(
LPCWSTR lpFileName,
FINDEX_INFO_LEVELS fInfoLevelId,
LPVOID lpFindFileData,
FINDEX_SEARCH_OPS fSearchOp,
LPVOID lpSearchFilter,
DWORD dwAdditionalFlags)
{
FIND_FIRST_INFO *info;
if (!lpFileName)
{
SetLastError(ERROR_PATH_NOT_FOUND);
return INVALID_HANDLE_VALUE;
}
if ((fSearchOp != FindExSearchNameMatch) || (dwAdditionalFlags != 0))
{
FIXME("options not implemented 0x%08x 0x%08lx\n", fSearchOp, dwAdditionalFlags );
return INVALID_HANDLE_VALUE;
}
switch(fInfoLevelId)
{
case FindExInfoStandard:
{
WIN32_FIND_DATAW * data = (WIN32_FIND_DATAW *) lpFindFileData;
char *p;
INT long_mask_len;
data->dwReserved0 = data->dwReserved1 = 0x0;
if (lpFileName[0] == '\\' && lpFileName[1] == '\\')
{
ERR("UNC path name\n");
if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(FIND_FIRST_INFO)))) break;
info->u.smb_dir = SMB_FindFirst(lpFileName);
if(!info->u.smb_dir)
{
HeapFree(GetProcessHeap(), 0, info);
break;
}
info->drive = -1;
RtlInitializeCriticalSection( &info->cs );
}
else
{
DOS_FULL_NAME full_name;
if (lpFileName[0] && lpFileName[1] == ':')
{
/* don't allow root directories */
if (!lpFileName[2] ||
((lpFileName[2] == '/' || lpFileName[2] == '\\') && !lpFileName[3]))
{
SetLastError(ERROR_FILE_NOT_FOUND);
return INVALID_HANDLE_VALUE;
}
}
if (!DOSFS_GetFullName( lpFileName, FALSE, &full_name )) break;
if (!(info = HeapAlloc( GetProcessHeap(), 0, sizeof(FIND_FIRST_INFO)))) break;
RtlInitializeCriticalSection( &info->cs );
info->path = HeapAlloc( GetProcessHeap(), 0, strlen(full_name.long_name)+1 );
strcpy( info->path, full_name.long_name );
p = strrchr( info->path, '/' );
*p++ = '\0';
long_mask_len = MultiByteToWideChar(CP_UNIXCP, 0, p, -1, NULL, 0);
info->long_mask = HeapAlloc( GetProcessHeap(), 0, long_mask_len * sizeof(WCHAR) );
MultiByteToWideChar(CP_UNIXCP, 0, p, -1, info->long_mask, long_mask_len);
info->drive = full_name.drive;
info->cur_pos = 0;
info->u.dos_dir = DOSFS_OpenDir( info->path );
}
if (!FindNextFileW( (HANDLE) info, data ))
{
FindClose( (HANDLE) info );
SetLastError( ERROR_FILE_NOT_FOUND );
break;
}
return (HANDLE) info;
}
break;
default:
FIXME("fInfoLevelId 0x%08x not implemented\n", fInfoLevelId );
}
return INVALID_HANDLE_VALUE;
}
/*************************************************************************
* FindFirstFileA (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileA(
LPCSTR lpFileName,
WIN32_FIND_DATAA *lpFindData )
{
return FindFirstFileExA(lpFileName, FindExInfoStandard, lpFindData,
FindExSearchNameMatch, NULL, 0);
}
/*************************************************************************
* FindFirstFileExA (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileExA(
LPCSTR lpFileName,
FINDEX_INFO_LEVELS fInfoLevelId,
LPVOID lpFindFileData,
FINDEX_SEARCH_OPS fSearchOp,
LPVOID lpSearchFilter,
DWORD dwAdditionalFlags)
{
HANDLE handle;
WIN32_FIND_DATAA *dataA;
WIN32_FIND_DATAW dataW;
UNICODE_STRING pathW;
if (!lpFileName)
{
SetLastError(ERROR_PATH_NOT_FOUND);
return INVALID_HANDLE_VALUE;
}
if (!RtlCreateUnicodeStringFromAsciiz(&pathW, lpFileName))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return INVALID_HANDLE_VALUE;
}
handle = FindFirstFileExW(pathW.Buffer, fInfoLevelId, &dataW, fSearchOp, lpSearchFilter, dwAdditionalFlags);
RtlFreeUnicodeString(&pathW);
if (handle == INVALID_HANDLE_VALUE) return handle;
dataA = (WIN32_FIND_DATAA *) lpFindFileData;
dataA->dwFileAttributes = dataW.dwFileAttributes;
dataA->ftCreationTime = dataW.ftCreationTime;
dataA->ftLastAccessTime = dataW.ftLastAccessTime;
dataA->ftLastWriteTime = dataW.ftLastWriteTime;
dataA->nFileSizeHigh = dataW.nFileSizeHigh;
dataA->nFileSizeLow = dataW.nFileSizeLow;
WideCharToMultiByte( CP_ACP, 0, dataW.cFileName, -1,
dataA->cFileName, sizeof(dataA->cFileName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, dataW.cAlternateFileName, -1,
dataA->cAlternateFileName, sizeof(dataA->cAlternateFileName), NULL, NULL );
return handle;
}
/*************************************************************************
* FindFirstFileW (KERNEL32.@)
*/
HANDLE WINAPI FindFirstFileW( LPCWSTR lpFileName, WIN32_FIND_DATAW *lpFindData )
{
return FindFirstFileExW(lpFileName, FindExInfoStandard, lpFindData,
FindExSearchNameMatch, NULL, 0);
}
/*************************************************************************
* FindNextFileW (KERNEL32.@)
*/
BOOL WINAPI FindNextFileW( HANDLE handle, WIN32_FIND_DATAW *data )
{
FIND_FIRST_INFO *info;
BOOL ret = FALSE;
DWORD gle = ERROR_NO_MORE_FILES;
if (handle == INVALID_HANDLE_VALUE)
{
SetLastError( ERROR_INVALID_HANDLE );
return ret;
}
info = (FIND_FIRST_INFO*) handle;
RtlEnterCriticalSection( &info->cs );
if (info->drive == -1)
{
ret = SMB_FindNext( info->u.smb_dir, data );
if(!ret)
{
SMB_CloseDir( info->u.smb_dir );
HeapFree( GetProcessHeap(), 0, info->path );
}
goto done;
}
else if (!info->path || !info->u.dos_dir)
{
goto done;
}
else if (!DOSFS_FindNextEx( info, data ))
{
DOSFS_CloseDir( info->u.dos_dir ); info->u.dos_dir = NULL;
HeapFree( GetProcessHeap(), 0, info->path );
info->path = NULL;
HeapFree( GetProcessHeap(), 0, info->long_mask );
info->long_mask = NULL;
goto done;
}
ret = TRUE;
done:
RtlLeaveCriticalSection( &info->cs );
if( !ret ) SetLastError( gle );
return ret;
}
/*************************************************************************
* FindNextFileA (KERNEL32.@)
*/
BOOL WINAPI FindNextFileA( HANDLE handle, WIN32_FIND_DATAA *data )
{
WIN32_FIND_DATAW dataW;
if (!FindNextFileW( handle, &dataW )) return FALSE;
data->dwFileAttributes = dataW.dwFileAttributes;
data->ftCreationTime = dataW.ftCreationTime;
data->ftLastAccessTime = dataW.ftLastAccessTime;
data->ftLastWriteTime = dataW.ftLastWriteTime;
data->nFileSizeHigh = dataW.nFileSizeHigh;
data->nFileSizeLow = dataW.nFileSizeLow;
WideCharToMultiByte( CP_ACP, 0, dataW.cFileName, -1,
data->cFileName, sizeof(data->cFileName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, dataW.cAlternateFileName, -1,
data->cAlternateFileName,
sizeof(data->cAlternateFileName), NULL, NULL );
return TRUE;
}
/*************************************************************************
* FindClose (KERNEL32.@)
*/
BOOL WINAPI FindClose( HANDLE handle )
{
FIND_FIRST_INFO *info = (FIND_FIRST_INFO*) handle;
if (handle == INVALID_HANDLE_VALUE) goto error;
__TRY
{
RtlEnterCriticalSection( &info->cs );
if (info)
{
if (info->u.dos_dir) DOSFS_CloseDir( info->u.dos_dir );
if (info->path) HeapFree( GetProcessHeap(), 0, info->path );
if (info->long_mask) HeapFree( GetProcessHeap(), 0, info->long_mask );
}
}
__EXCEPT(page_fault)
{
WARN("Illegal handle %p\n", handle);
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
__ENDTRY
if (!info) goto error;
RtlLeaveCriticalSection( &info->cs );
RtlDeleteCriticalSection( &info->cs );
HeapFree(GetProcessHeap(), 0, info);
return TRUE;
error:
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/***********************************************************************
* MulDiv (KERNEL32.@)
* RETURNS
* Result of multiplication and division
* -1: Overflow occurred or Divisor was 0
*/
INT WINAPI MulDiv(
INT nMultiplicand,
INT nMultiplier,
INT nDivisor)
{
#if SIZEOF_LONG_LONG >= 8
long long ret;
if (!nDivisor) return -1;
/* We want to deal with a positive divisor to simplify the logic. */
if (nDivisor < 0)
{
nMultiplicand = - nMultiplicand;
nDivisor = -nDivisor;
}
/* If the result is positive, we "add" to round. else, we subtract to round. */
if ( ( (nMultiplicand < 0) && (nMultiplier < 0) ) ||
( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
ret = (((long long)nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
else
ret = (((long long)nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
if ((ret > 2147483647) || (ret < -2147483647)) return -1;
return ret;
#else
if (!nDivisor) return -1;
/* We want to deal with a positive divisor to simplify the logic. */
if (nDivisor < 0)
{
nMultiplicand = - nMultiplicand;
nDivisor = -nDivisor;
}
/* If the result is positive, we "add" to round. else, we subtract to round. */
if ( ( (nMultiplicand < 0) && (nMultiplier < 0) ) ||
( (nMultiplicand >= 0) && (nMultiplier >= 0) ) )
return ((nMultiplicand * nMultiplier) + (nDivisor/2)) / nDivisor;
return ((nMultiplicand * nMultiplier) - (nDivisor/2)) / nDivisor;
#endif
}
/***********************************************************************
* DosDateTimeToFileTime (KERNEL32.@)
*/
BOOL WINAPI DosDateTimeToFileTime( WORD fatdate, WORD fattime, LPFILETIME ft)
{
struct tm newtm;
#ifndef HAVE_TIMEGM
struct tm *gtm;
time_t time1, time2;
#endif
newtm.tm_sec = (fattime & 0x1f) * 2;
newtm.tm_min = (fattime >> 5) & 0x3f;
newtm.tm_hour = (fattime >> 11);
newtm.tm_mday = (fatdate & 0x1f);
newtm.tm_mon = ((fatdate >> 5) & 0x0f) - 1;
newtm.tm_year = (fatdate >> 9) + 80;
#ifdef HAVE_TIMEGM
RtlSecondsSince1970ToTime( timegm(&newtm), (LARGE_INTEGER *)ft );
#else
time1 = mktime(&newtm);
gtm = gmtime(&time1);
time2 = mktime(gtm);
RtlSecondsSince1970ToTime( 2*time1-time2, (LARGE_INTEGER *)ft );
#endif
return TRUE;
}
/***********************************************************************
* FileTimeToDosDateTime (KERNEL32.@)
*/
BOOL WINAPI FileTimeToDosDateTime( const FILETIME *ft, LPWORD fatdate,
LPWORD fattime )
{
LARGE_INTEGER li;
ULONG t;
time_t unixtime;
struct tm* tm;
li.u.LowPart = ft->dwLowDateTime;
li.u.HighPart = ft->dwHighDateTime;
RtlTimeToSecondsSince1970( &li, &t );
unixtime = t;
tm = gmtime( &unixtime );
if (fattime)
*fattime = (tm->tm_hour << 11) + (tm->tm_min << 5) + (tm->tm_sec / 2);
if (fatdate)
*fatdate = ((tm->tm_year - 80) << 9) + ((tm->tm_mon + 1) << 5)
+ tm->tm_mday;
return TRUE;
}
/***********************************************************************
* QueryDosDeviceA (KERNEL32.@)
*
* returns array of strings terminated by \0, terminated by \0
*/
DWORD WINAPI QueryDosDeviceA(LPCSTR devname,LPSTR target,DWORD bufsize)
{
DWORD ret = 0, retW;
LPWSTR targetW = (LPWSTR)HeapAlloc(GetProcessHeap(),0,
bufsize * sizeof(WCHAR));
UNICODE_STRING devnameW;
if(devname) RtlCreateUnicodeStringFromAsciiz(&devnameW, devname);
else devnameW.Buffer = NULL;
retW = QueryDosDeviceW(devnameW.Buffer, targetW, bufsize);
ret = WideCharToMultiByte(CP_ACP, 0, targetW, retW, target,
bufsize, NULL, NULL);
RtlFreeUnicodeString(&devnameW);
if (targetW) HeapFree(GetProcessHeap(),0,targetW);
return ret;
}
/***********************************************************************
* QueryDosDeviceW (KERNEL32.@)
*
* returns array of strings terminated by \0, terminated by \0
*
* FIXME
* - Win9x returns for all calls ERROR_INVALID_PARAMETER
* - the returned devices for devname == NULL is far from complete
* - its not checked that the returned device exist
*/
DWORD WINAPI QueryDosDeviceW(LPCWSTR devname,LPWSTR target,DWORD bufsize)
{
const WCHAR *pDev, *pName, *pNum = NULL;
int numsiz=0;
DWORD ret;
TRACE("(%s,...)\n", debugstr_w(devname));
if (!devname) {
/* return known MSDOS devices */
DWORD ret = 0;
int i;
static const WCHAR devices[][5] = {{'A','U','X',0},
{'C','O','M','1',0},
{'C','O','M','2',0},
{'L','P','T','1',0},
{'N','U','L',0,}};
for(i=0; (i< (sizeof(devices)/sizeof(devices[0]))); i++) {
DWORD len = strlenW(devices[i]);
if(target && (bufsize >= ret + len + 2)) {
strcpyW(target+ret, devices[i]);
ret += len + 1;
} else {
/* in this case WinXP returns 0 */
FIXME("function return is wrong for WinXP!\n");
SetLastError(ERROR_INSUFFICIENT_BUFFER);
break;
}
}
/* append drives here */
if(target && bufsize > 0) target[ret++] = 0;
FIXME("Returned list is not complete\n");
return ret;
}
/* In theory all that are possible and have been defined.
* Now just those below, since mirc uses it to check for special files.
*
* (It is more complex, and supports netmounted stuff, and \\.\ stuff,
* but currently we just ignore that.)
*/
if (!strcmpiW(devname, auxW)) {
pDev = dosW;
pName = comW;
numsiz = 1;
pNum = oneW;
} else if (!strcmpiW(devname, nulW)) {
pDev = devW;
pName = nullW;
} else if (!strncmpiW(devname, comW, strlenW(comW))) {
pDev = devW;
pName = serW;
pNum = devname + strlenW(comW);
for(numsiz=0; isdigitW(*(pNum+numsiz)); numsiz++);
if(*(pNum + numsiz)) {
SetLastError(ERROR_FILE_NOT_FOUND);
return 0;
}
} else if (!strncmpiW(devname, lptW, strlenW(lptW))) {
pDev = devW;
pName = parW;
pNum = devname + strlenW(lptW);
for(numsiz=0; isdigitW(*(pNum+numsiz)); numsiz++);
if(*(pNum + numsiz)) {
SetLastError(ERROR_FILE_NOT_FOUND);
return 0;
}
} else {
/* This might be a DOS device we do not handle yet ... */
FIXME("(%s) not detected as DOS device!\n",debugstr_w(devname));
/* Win9x set the error ERROR_INVALID_PARAMETER */
SetLastError(ERROR_FILE_NOT_FOUND);
return 0;
}
FIXME("device %s may not exist on this computer\n", debugstr_w(devname));
ret = strlenW(pDev) + strlenW(pName) + numsiz + 2;
if (ret > bufsize) ret = 0;
if (target && ret) {
strcpyW(target,pDev);
strcatW(target,pName);
if (pNum) strcatW(target,pNum);
target[ret-1] = 0;
}
return ret;
}
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