/* cmd.h - main include file for command.lib
 *
 * Modification History
 *
 * Sudeepb 17-Sep-1991 Created
 */

/*
#define WIN
#define FLAT_32
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>

#define _WINDOWS
#include <windows.h>

*/

#ifdef DOS
#define SIGNALS
#endif

#ifdef OS2_16
#define OS2
#define SIGNALS
#endif

#ifdef OS2_32
#define OS2
#define FLAT_32
#endif

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include <process.h>

#ifdef WIN_16
#define WIN
#define API16
#endif

#ifdef WIN_32
#define WIN
#define FLAT_32
#define TRUE_IF_WIN32	1
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#else
#define TRUE_IF_WIN32	0
#endif

#ifdef FLAT_32
#ifndef i386
#define ALIGN_32
#else
#define NOALIGN_32
#endif
#endif

#ifdef WIN
#define _WINDOWS
#include <windows.h>
#endif

#ifdef SIGNALS
#include <conio.h>
#include <signal.h>
#endif

#ifdef OS2_32
#include <excpt.h>
#define XCPT_SIGNAL	0xC0010003
#endif

#include <vdmapi.h>

#define COPY_STD_OUT 1
#define COPY_STD_ERR 2

#define CLOSE_ALL_HANDLES   1
#define CLOSE_STD_OUT	    2
#define CLOSE_STD_ERR	    4

#define DEFAULT_REDIRECTION_SIZE 1024
#define MAX_SHORTCUT_SIZE        128
#define STDIN_BUF_SIZE           512

/** Command Macros **/

/** Command Basic Typedefs **/

typedef VOID (*PFNSVC)(VOID);

#pragma pack(1)

typedef struct _PARAMBLOCK {
    USHORT  SegEnv;
    USHORT  OffCmdTail;
    USHORT  SegCmdTail;
    ULONG   pFCB1;
    ULONG   pFCB2;
} PARAMBLOCK,*PPARAMBLOCK;

typedef struct _SCSINFO {
    CHAR    SCS_ComSpec [64];
    CHAR    SCS_CmdTail [128];
    PARAMBLOCK SCS_ParamBlock;
    CHAR    SCS_ToSync;
} SCSINFO, *PSCSINFO;

typedef struct _STD_HANDLES {
    ULONG   hStdErr;
    ULONG   hStdOut;
    ULONG   hStdIn;
} STD_HANDLES, *PSTD_HANDLES;

#define PIPE_INPUT_BUFFER_SIZE	512
#define PIPE_OUTPUT_BUFFER_SIZE PIPE_INPUT_BUFFER_SIZE
#define PIPE_INPUT_TIMEOUT		55
#define PIPE_OUTPUT_TIMEOUT	PIPE_INPUT_TIMEOUT

typedef struct	_PIPE_INPUT{
    struct _PIPE_INPUT	*Next;
    HANDLE		hFileRead;
    HANDLE		hFileWrite;
    HANDLE		hPipe;
    HANDLE		hDataEvent;
    HANDLE		hThread;
    CHAR		*pFileName;
    DWORD		BufferSize;
    BOOL		fEOF;
    BOOL		WaitData;
    BYTE		*Buffer;
    CRITICAL_SECTION	CriticalSection;
} PIPE_INPUT, *PPIPE_INPUT;

typedef struct	_PIPE_OUTPUT {
    HANDLE		hFile;
    HANDLE		hPipe;
    HANDLE		hExitEvent;
    CHAR		*pFileName;
    DWORD		BufferSize;
    BYTE		*Buffer;
} PIPE_OUTPUT, *PPIPE_OUTPUT;

typedef struct _RedirComplete_Info {
    HANDLE  ri_hStdErr;
    HANDLE  ri_hStdOut;
    HANDLE  ri_hStdIn;
    HANDLE  ri_hStdErrFile;
    HANDLE  ri_hStdOutFile;
    HANDLE  ri_hStdInFile;
    HANDLE  ri_hStdOutThread;
    HANDLE  ri_hStdErrThread;
    PPIPE_INPUT ri_pPipeStdIn;
    PPIPE_OUTPUT ri_pPipeStdOut;
    PPIPE_OUTPUT ri_pPipeStdErr;

} REDIRCOMPLETE_INFO, *PREDIRCOMPLETE_INFO;

typedef struct	_VDMENVBLK {
    DWORD	cchEnv;
    DWORD	cchRemain;
    CHAR	*lpszzEnv;
} VDMENVBLK, *PVDMENVBLK;

#pragma pack()

/** Command Function Prototypes */


VOID   cmdComSpec		    (VOID);
VOID   cmdGetEnv		    (VOID);
VOID   cmdGetNextCmd                (VOID);
VOID   cmdGetNextCmdForSeparateWow  (VOID);
VOID   cmdGetStdHandle		    (VOID);
VOID   cmdExec			    (VOID);
VOID   cmdExecComspec32 	    (VOID);
VOID   cmdExitVDM		    (VOID);
VOID   cmdReturnExitCode	    (VOID);
VOID   cmdSaveWorld		    (VOID);
VOID   cmdSetInfo		    (VOID);
VOID   cmdGetCurrentDir		    (VOID);
VOID   cmdSetDirectories	    (PCHAR,VDMINFO *);
VOID   CheckDotExeForWOW	    (LPSTR);
BOOL   cmdCheckCopyForRedirection   (PREDIRCOMPLETE_INFO);
BOOL   cmdCreateTempFile	    (PHANDLE,PCHAR *);
VOID   cmdCheckBinary		    (VOID);
VOID   cmdInitConsole		    (VOID);
VOID   nt_init_event_thread	    (VOID);
VOID   cmdExec32		    (PCHAR,PCHAR);
VOID   cmdCreateProcess		    (VOID);
USHORT cmdMapCodePage		    (ULONG);
VOID	cmdCheckForPIF		    (PVDMINFO);
VOID   cmdGetConfigSys              (VOID);
VOID   cmdGetAutoexecBat            (VOID);
VOID   DeleteConfigFiles            (VOID);
VOID   cmdGetKbdLayout		    (VOID);
BOOL   cmdXformEnvironment	    (PCHAR, PANSI_STRING);
VOID   cmdGetInitEnvironment	    (VOID);
VOID   cmdUpdateCurrentDirectories  (BYTE);
BOOL   cmdCreateVDMEnvironment	    (PVDMENVBLK);
DWORD  cmdGetEnvironmentVariable    (PVDMENVBLK, PCHAR, PCHAR, DWORD);
BOOL   cmdSetEnvironmentVariable    (PVDMENVBLK, PCHAR, PCHAR);
DWORD  cmdExpandEnvironmentStrings  (PVDMENVBLK, PCHAR, PCHAR, DWORD);
PREDIRCOMPLETE_INFO  cmdCheckStandardHandles      (PVDMINFO,USHORT UNALIGNED *);
VOID   cmdGetStartInfo              (VOID);
BOOL   cmdHandleStdinWithPipe       (PREDIRCOMPLETE_INFO);
BOOL   cmdHandleStdOutErrWithPipe   (PREDIRCOMPLETE_INFO, USHORT);
LPSTR  cmdSkipOverPathName	    (LPSTR);
BOOL   cmdPipeFileDataEOF	    (HANDLE, BOOL *);
BOOL   cmdPipeFileEOF		    (HANDLE);
VOID   cmdPipeInThread		    (LPVOID);
VOID   cmdPipeOutThread 	    (LPVOID);

/** Command Externs **/

extern USHORT	nDrives;
extern BOOL	IsFirstVDMInSystem;
extern BOOL	VDMForWOW;
extern CHAR	lpszComSpec[];
extern USHORT	cbComSpec;
extern BOOL	IsFirstCall;
extern BOOL	IsRepeatCall;
extern BOOL	IsFirstWOWCheckBinary;
extern BOOL	IsFirstVDMInSystem;
extern BOOL	SaveWorldCreated;
extern PCHAR	pSCS_ToSync;
extern BOOL	fBlock;
extern PCHAR	pCommand32;
extern PCHAR	pEnv32;
extern DWORD	dwExitCode32;
extern PSCSINFO pSCSInfo;
extern HANDLE	hFileStdOut;
extern HANDLE	hFileStdOutDup;
extern HANDLE	hFileStdErr;
extern HANDLE	hFileStdErrDup;
extern VDMINFO	VDMInfo;
extern PSZ	pszFileStdOut;
extern PSZ	pszFileStdErr;
extern CHAR     cmdHomeDirectory[];
extern HANDLE   SCS_hStdIn;
extern HANDLE   SCS_hStdOut;
extern HANDLE   SCS_hStdErr;
extern CHAR     chDefaultDrive;
extern BOOL	DontCheckDosBinaryType;
extern WORD	Exe32ActiveCount;
extern BOOL     fSoftpcRedirection;
extern BOOL     fSoftpcRedirectionOnShellOut;
extern VOID     nt_std_handle_notification (BOOL);
extern VOID     cmdPushExitInConsoleBuffer (VOID);


// control handler state, defined in nt_event.h, nt_event.c
extern  ULONG CntrlHandlerState;
#define CNTRL_SHELLCOUNT         0x0FFFF  // The LOWORD is used for shell count
#define CNTRL_PIFALLOWCLOSE      0x10000
#define CNTRL_VDMBLOCKED         0x20000
#define CNTRL_SYSTEMROOTCONSOLE  0x40000
#define CNTRL_PUSHEXIT           0x80000


// Temporary variable till we standardized on wowexec
extern ULONG	iWOWTaskId;
extern CHAR     comspec[];
extern CHAR     ShortCutInfo[];

extern VOID	nt_pif_callout (LPVOID);
extern CHAR	*lpszzInitEnvironment;
extern WORD	cchInitEnvironment;
extern CHAR	*lpszzCurrentDirectories;
extern DWORD	cchCurrentDirectories;
extern BYTE	* pIsDosBinary;
extern WORD	* pFDAccess;
extern CHAR	*lpszzcmdEnv16;
extern BOOL	DosEnvCreated;
extern BOOL	IsFirstVDM;
extern VDMENVBLK cmdVDMEnvBlk;
extern CHAR	*lpszzVDMEnv32;
extern DWORD	cchVDMEnv32;
extern UINT	VdmExitCode;

// application path name extention type.
#define EXTENTION_STRING_LEN	4
#define BAT_EXTENTION_STRING	".BAT"
#define EXE_EXTENTION_STRING	".EXE"
#define COM_EXTENTION_STRING	".COM"