Changelog
------------
moved implementation of QueryDosDevice from ascii to unicode
--- ../wine/files/dos_fs.c Wed Aug 20 18:16:29 2003
+++ files/dos_fs.c Fri Aug 22 16:20:27 2003
@@ -111,6 +111,18 @@
{ {'E','M','M','X','X','X','X','0',0}, 0x0000 }
};
+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};
+
/*
* Directory info for DOSFS_ReadDir
* contains the names of *all* the files in the directory
@@ -2354,15 +2366,67 @@
*/
DWORD WINAPI QueryDosDeviceA(LPCSTR devname,LPSTR target,DWORD bufsize)
{
- LPSTR s;
- char buffer[200];
+ 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);
- TRACE("(%s,...)\n", devname ? devname : "<null>");
+ 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 exists
+ */
+DWORD WINAPI QueryDosDeviceW(LPCWSTR devname,LPWSTR target,DWORD bufsize)
+{
+ WCHAR *pDev, *pName, *pNum = NULL;
+ int inst=-1, numsiz=0;
+ DWORD ret;
+
+ TRACE("(%s,...)\n", debugstr_w(devname));
if (!devname) {
/* return known MSDOS devices */
- static const char devices[24] = "CON\0COM1\0COM2\0LPT1\0NUL\0\0";
- memcpy( target, devices, min(bufsize,sizeof(devices)) );
- return min(bufsize,sizeof(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)) {
+ lstrcpyW(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.
@@ -2370,39 +2434,50 @@
* (It is more complex, and supports netmounted stuff, and \\.\ stuff,
* but currently we just ignore that.)
*/
-#define CHECK(x) (strstr(devname,#x)==devname)
- if (CHECK(con) || CHECK(com) || CHECK(lpt) || CHECK(nul)) {
- strcpy(buffer,"\\DEV\\");
- strcat(buffer,devname);
- if ((s=strchr(buffer,':'))) *s='\0';
- lstrcpynA(target,buffer,bufsize);
- return strlen(buffer)+1;
- } else {
- if (strchr(devname,':') || devname[0]=='\\') {
- /* This might be a DOS device we do not handle yet ... */
- FIXME("(%s) not detected as DOS device!\n",devname);
+ if (!strcmpiW(devname, auxW)) {
+ pDev = (WCHAR*) dosW;
+ pName = (WCHAR*) comW;
+ numsiz = inst = 1;
+ pNum = (WCHAR*) L"1";
+ } else if (!strcmpiW(devname, nulW)) {
+ pDev = (WCHAR*) devW;
+ pName = (WCHAR*) nullW;
+ } else if (!strncmpiW(devname, comW, strlenW(comW))) {
+ pDev = (WCHAR*) devW;
+ pName = (WCHAR*) serW;
+ pNum = (WCHAR* )devname + strlenW(comW);
+ swscanf(pNum, L"%d%n", &inst, &numsiz);
+ if(*(pNum + numsiz)) {
+ SetLastError(ERROR_FILE_NOT_FOUND);
+ return 0;
}
- SetLastError(ERROR_DEV_NOT_EXIST);
+ } else if (!strncmpiW(devname, lptW, strlenW(lptW))) {
+ pDev = (WCHAR*) devW;
+ pName = (WCHAR*) parW;
+ pNum = (WCHAR*) devname + strlenW(lptW);
+ swscanf(pNum, L"%d%n", &inst, &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));
-
-/***********************************************************************
- * QueryDosDeviceW (KERNEL32.@)
- *
- * returns array of strings terminated by \0, terminated by \0
- */
-DWORD WINAPI QueryDosDeviceW(LPCWSTR devname,LPWSTR target,DWORD bufsize)
-{
- LPSTR devnameA = devname?HEAP_strdupWtoA(GetProcessHeap(),0,devname):NULL;
- LPSTR targetA = (LPSTR)HeapAlloc(GetProcessHeap(),0,bufsize);
- DWORD ret = QueryDosDeviceA(devnameA,targetA,bufsize);
-
- ret = MultiByteToWideChar( CP_ACP, 0, targetA, ret, target, bufsize );
- if (devnameA) HeapFree(GetProcessHeap(),0,devnameA);
- if (targetA) HeapFree(GetProcessHeap(),0,targetA);
+ ret = strlenW(pDev) + strlenW(pName) + numsiz + 2;
+ if (ret > bufsize) ret = 0;
+ if (target && ret) {
+ lstrcpyW(target,pDev);
+ lstrcatW(target,pName);
+ if (pNum) lstrcatW(target,pNum);
+ target[ret-1] = 0;
+ }
return ret;
}
