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winevdm: Try to exec dosbox if DOS is not supported natively.

This commit is contained in:
Alexandre Julliard 2011-01-13 20:41:27 +01:00
parent cf1cd33570
commit 56193df2fd
1 changed files with 94 additions and 0 deletions
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94
programs/winevdm/winevdm.c
View File

@ -18,14 +18,19 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wine/winbase16.h"
#include "winuser.h"
#include "wincon.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winevdm);
@ -101,6 +106,93 @@ typedef struct {
#include "poppack.h"
/***********************************************************************
* find_dosbox
*/
static char *find_dosbox(void)
{
const char *envpath = getenv( "PATH" );
struct stat st;
char *path, *p, *buffer, *dir;
if (!envpath) return NULL;
path = HeapAlloc( GetProcessHeap(), 0, strlen(envpath) );
buffer = HeapAlloc( GetProcessHeap(), 0, strlen(path) + sizeof("/dosbox") );
strcpy( path, envpath );
p = path;
while (*p)
{
while (*p == ':') p++;
if (!*p) break;
dir = p;
while (*p && *p != ':') p++;
*p++ = 0;
strcpy( buffer, dir );
strcat( buffer, "/dosbox" );
if (!stat( buffer, &st ))
{
HeapFree( GetProcessHeap(), 0, path );
return buffer;
}
}
HeapFree( GetProcessHeap(), 0, buffer );
HeapFree( GetProcessHeap(), 0, path );
return NULL;
}
/***********************************************************************
* start_dosbox
*/
static void start_dosbox( const char *appname, const char *args )
{
static const WCHAR cfgW[] = {'c','f','g',0};
const char *config_dir = wine_get_config_dir();
WCHAR path[MAX_PATH], config[MAX_PATH];
HANDLE file;
char *p, *buffer;
int i;
int ret = 1;
DWORD written, drives = GetLogicalDrives();
char *dosbox = find_dosbox();
if (!dosbox) return;
if (!GetTempPathW( MAX_PATH, path )) return;
if (!GetTempFileNameW( path, cfgW, 0, config )) return;
if (!GetCurrentDirectoryW( MAX_PATH, path )) return;
file = CreateFileW( config, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
if (file == INVALID_HANDLE_VALUE) return;
buffer = HeapAlloc( GetProcessHeap(), 0, sizeof("[autoexec]") +
25 * (strlen(config_dir) + sizeof("mount c /dosdevices/c:")) +
4 * strlenW( path ) +
6 + strlen( appname ) + strlen( args ) + 20 );
p = buffer;
p += sprintf( p, "[autoexec]\n" );
for (i = 0; i < 25; i++)
if (drives & (1 << i))
p += sprintf( p, "mount %c %s/dosdevices/%c:\n", 'a' + i, config_dir, 'a' + i );
p += sprintf( p, "%c:\ncd ", path[0] );
p += WideCharToMultiByte( CP_UNIXCP, 0, path + 2, -1, p, 4 * strlenW(path), NULL, NULL ) - 1;
p += sprintf( p, "\n%s %s\n", appname, args );
p += sprintf( p, "exit\n" );
if (WriteFile( file, buffer, strlen(buffer), &written, NULL ) && written == strlen(buffer))
{
const char *args[4];
char *config_file = wine_get_unix_file_name( config );
args[0] = dosbox;
args[1] = "-conf";
args[2] = config_file;
args[3] = NULL;
ret = spawnvp( _P_WAIT, args[0], args );
}
CloseHandle( file );
DeleteFileW( config );
HeapFree( GetProcessHeap(), 0, buffer );
ExitProcess( ret );
}
/***********************************************************************
* start_dos_exe
*/
@ -119,6 +211,8 @@ static void start_dos_exe( LPCSTR filename, LPCSTR cmdline )
}
else reason = "because the DOS memory range is unavailable";
start_dosbox( filename, cmdline );
WINE_MESSAGE( "winevdm: Cannot start DOS application %s\n", filename );
WINE_MESSAGE( " %s.\n", reason );
WINE_MESSAGE( " Try running this application with DOSBox.\n" );