Alexandre Julliard : winevdm: Try to exec dosbox if DOS is not supported natively.
Alexandre Julliard
julliard at winehq.org
Fri Jan 14 12:46:29 CST 2011
Module: wine
Branch: master
Commit: 56193df2fd4719fd6d2a0214f42a7574e7600cb1
URL: http://source.winehq.org/git/wine.git/?a=commit;h=56193df2fd4719fd6d2a0214f42a7574e7600cb1
Author: Alexandre Julliard <julliard at winehq.org>
Date: Thu Jan 13 20:41:27 2011 +0100
winevdm: Try to exec dosbox if DOS is not supported natively.
---
programs/winevdm/winevdm.c | 94 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 94 insertions(+), 0 deletions(-)
diff --git a/programs/winevdm/winevdm.c b/programs/winevdm/winevdm.c
index 65f4bf2..ca55d80 100644
--- a/programs/winevdm/winevdm.c
+++ b/programs/winevdm/winevdm.c
@@ -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);
@@ -102,6 +107,93 @@ 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
*/
static void start_dos_exe( LPCSTR filename, LPCSTR cmdline )
@@ -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" );
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