Sweden-Number/programs/winevdm/winevdm.c

232 lines
6.3 KiB
C

/*
* Wine virtual DOS machine
*
* Copyright 2003 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 "winbase.h"
#include "wine/winbase16.h"
#include "winuser.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(winevdm);
extern void WINAPI wine_load_dos_exe( LPCSTR filename, LPCSTR cmdline );
/***********************************************************************
* build_command_line
*
* Build the command line of a process from the argv array.
* Copied from ENV_BuildCommandLine.
*/
static char *build_command_line( char **argv )
{
int len;
char *p, **arg, *cmd_line;
len = 0;
for (arg = argv; *arg; arg++)
{
int has_space,bcount;
char* a;
has_space=0;
bcount=0;
a=*arg;
while (*a!='\0') {
if (*a=='\\') {
bcount++;
} else {
if (*a==' ' || *a=='\t') {
has_space=1;
} else if (*a=='"') {
/* doubling of '\' preceeding a '"',
* plus escaping of said '"'
*/
len+=2*bcount+1;
}
bcount=0;
}
a++;
}
len+=(a-*arg)+1 /* for the separating space */;
if (has_space)
len+=2; /* for the quotes */
}
if (!(cmd_line = HeapAlloc( GetProcessHeap(), 0, len ? len + 1 : 2 )))
return NULL;
p = cmd_line;
*p++ = (len < 256) ? len : 255;
for (arg = argv; *arg; arg++)
{
int has_space,has_quote;
char* a;
/* Check for quotes and spaces in this argument */
has_space=has_quote=0;
a=*arg;
while (*a!='\0') {
if (*a==' ' || *a=='\t') {
has_space=1;
if (has_quote)
break;
} else if (*a=='"') {
has_quote=1;
if (has_space)
break;
}
a++;
}
/* Now transfer it to the command line */
if (has_space)
*p++='"';
if (has_quote) {
int bcount;
char* a;
bcount=0;
a=*arg;
while (*a!='\0') {
if (*a=='\\') {
*p++=*a;
bcount++;
} else {
if (*a=='"') {
int i;
/* Double all the '\\' preceeding this '"', plus one */
for (i=0;i<=bcount;i++)
*p++='\\';
*p++='"';
} else {
*p++=*a;
}
bcount=0;
}
a++;
}
} else {
strcpy(p,*arg);
p+=strlen(*arg);
}
if (has_space)
*p++='"';
*p++=' ';
}
if (len) p--; /* remove last space */
*p = '\0';
return cmd_line;
}
/***********************************************************************
* usage
*/
static void usage(void)
{
WINE_MESSAGE( "Usage: winevdm.exe [--app-name app.exe] command line\n\n" );
ExitProcess(1);
}
/***********************************************************************
* main
*/
int main( int argc, char *argv[] )
{
DWORD count;
HINSTANCE16 instance;
LOADPARAMS16 params;
WORD showCmd[2];
char buffer[MAX_PATH];
STARTUPINFOA info;
char *cmdline, *appname, **first_arg;
if (!argv[1]) usage();
if (!strcmp( argv[1], "--app-name" ))
{
if (!(appname = argv[2])) usage();
first_arg = argv + 3;
}
else
{
if (!SearchPathA( NULL, argv[1], ".exe", sizeof(buffer), buffer, NULL ))
{
WINE_MESSAGE( "winevdm: can't exec '%s': file not found\n", argv[1] );
ExitProcess(1);
}
appname = buffer;
first_arg = argv + 1;
}
if (*first_arg) first_arg++; /* skip program name */
cmdline = build_command_line( first_arg );
if (WINE_TRACE_ON(winevdm))
{
int i;
WINE_TRACE( "GetCommandLine = '%s'\n", GetCommandLineA() );
WINE_TRACE( "appname = '%s'\n", appname );
WINE_TRACE( "cmdline = '%.*s'\n", cmdline[0], cmdline+1 );
for (i = 0; argv[i]; i++) WINE_TRACE( "argv[%d]: '%s'\n", i, argv[i] );
}
GetStartupInfoA( &info );
showCmd[0] = 2;
showCmd[1] = (info.dwFlags & STARTF_USESHOWWINDOW) ? info.wShowWindow : SW_SHOWNORMAL;
params.hEnvironment = 0;
params.cmdLine = MapLS( cmdline );
params.showCmd = MapLS( showCmd );
params.reserved = 0;
RestoreThunkLock(1); /* grab the Win16 lock */
/* some programs assume mmsystem is always present */
LoadLibrary16( "mmsystem.dll" );
if ((instance = LoadModule16( appname, &params )) < 32)
{
if (instance == 11) /* try DOS format */
{
/* loader expects arguments to be regular C strings */
wine_load_dos_exe( appname, cmdline + 1 );
/* if we get back here it failed */
instance = GetLastError();
}
WINE_MESSAGE( "winevdm: can't exec '%s': ", appname );
switch (instance)
{
case 2: WINE_MESSAGE("file not found\n" ); break;
case 11: WINE_MESSAGE("invalid exe file\n" ); break;
default: WINE_MESSAGE("error=%d\n", instance ); break;
}
ExitProcess(instance);
}
/* wait forever; the process will be killed when the last task exits */
ReleaseThunkLock( &count );
Sleep( INFINITE );
return 0;
}