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reactos/base/shell/cmd/cmd.h
Hermès Bélusca-Maïto 6a8754c83a
[CMD] TYPE: Rewrite the command so as to fix some of its behaviour. 
- Display the names of the files being TYPEd only if more than one file
  has been specified on the command-line, or if a file specification
  (with wildcards) is present (even just for one).
  These names are displayed on STDERR while the files are TYPEd on
  STDOUT, therefore allowing concatenating files by just redirecting
  STDOUT to a destination, without corrupting it with the displayed file
  names. Also, add a /N option to force not displaying these file names.

- When file specifications (with wildcards) are being processed, silently
  ignore any directories matching them. If no corresponding files have
  been found, display a file-not-found error.

- When explicitly directory names are specified, don't do any special
  treatment; the CreateFile() call will fail and return the appropriate
  error.

- Fix the returned errorlevel values.

See https://ss64.com/nt/type.html for more information.

Fixes some cmd_winetests.

- When reading from a file, retrieve its original size so that
  we can stop reading it once we are beyond its original ending.
  This allows avoiding an infinite read loop in case the output of
  the file is redirected back to it.

  Fixes CORE-17208

- Move the FileGetString() helper to the only file where it is
  actually used.
2020-08-19 21:39:22 +02:00

454 lines
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C
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/*
* CMD.H - header file for the modules in CMD.EXE
*
*
* History:
*
* 7-15-95 Tim Norman
* started
*
* 06/29/98 (Rob Lake)
* Moved error messages in here
*
* 07/12/98 (Rob Lake)
* Moved more error messages here.
*
* 30-Jul-1998 (John P Price <linux-guru@gcfl.net>)
* Added compile date to version.
*
* 26-Feb-1999 (Eric Kohl)
* Introduced a new version string.
* Thanks to Emanuele Aliberti!
*/
#pragma once
#include <config.h>
#include "cmdver.h"
#include "cmddbg.h"
/* Version of the Command Extensions */
#define CMDEXTVERSION 2
#define BREAK_BATCHFILE 1
#define BREAK_OUTOFBATCH 2 /* aka. BREAK_ENDOFBATCHFILES */
#define BREAK_INPUT 3
#define BREAK_IGNORE 4
/* define some error messages */
#define D_ON _T("on")
#define D_OFF _T("off")
/* command line buffer length */
#define CMDLINE_LENGTH 8192
/* 16k = max buffer size */
#define BUFF_SIZE 16384
/* Global variables */
extern LPTSTR lpOriginalEnvironment;
extern WORD wColor;
extern WORD wDefColor;
extern BOOL bCtrlBreak;
extern BOOL bIgnoreEcho;
extern BOOL bExit;
extern BOOL bDisableBatchEcho;
extern BOOL bEnableExtensions;
extern BOOL bDelayedExpansion;
extern INT nErrorLevel;
/* Prototypes for ALIAS.C */
VOID ExpandAlias (LPTSTR, INT);
INT CommandAlias (LPTSTR);
/* Prototypes for ASSOC.C */
INT CommandAssoc (LPTSTR);
/* Prototypes for BEEP.C */
INT cmd_beep (LPTSTR);
/* Prototypes for CALL.C */
INT cmd_call (LPTSTR);
/* Prototypes for CHOICE.C */
INT CommandChoice (LPTSTR);
/* Prototypes for CLS.C */
INT cmd_cls (LPTSTR);
/* Prototypes for CMD.C */
INT ConvertULargeInteger(ULONGLONG num, LPTSTR des, UINT len, BOOL bPutSeparator);
HANDLE RunFile(DWORD, LPTSTR, LPTSTR, LPTSTR, INT);
INT ParseCommandLine(LPTSTR);
struct _PARSED_COMMAND;
INT
ExecuteCommand(
IN struct _PARSED_COMMAND *Cmd);
INT
ExecuteCommandWithEcho(
IN struct _PARSED_COMMAND *Cmd);
LPCTSTR GetEnvVarOrSpecial ( LPCTSTR varName );
VOID AddBreakHandler (VOID);
VOID RemoveBreakHandler (VOID);
BOOL SubstituteVars(TCHAR *Src, TCHAR *Dest, TCHAR Delim);
BOOL SubstituteForVars(TCHAR *Src, TCHAR *Dest);
LPTSTR DoDelayedExpansion(LPTSTR Line);
INT DoCommand(LPTSTR first, LPTSTR rest, struct _PARSED_COMMAND *Cmd);
BOOL ReadLine(TCHAR *commandline, BOOL bMore);
extern HANDLE CMD_ModuleHandle;
/* Prototypes for CMDINPUT.C */
BOOL ReadCommand (LPTSTR, INT);
extern TCHAR AutoCompletionChar;
extern TCHAR PathCompletionChar;
#define IS_COMPLETION_DISABLED(CompletionCtrl) \
((CompletionCtrl) == 0x00 || (CompletionCtrl) == 0x0D || (CompletionCtrl) >= 0x20)
/* Prototypes for CMDTABLE.C */
#define CMD_SPECIAL 1
#define CMD_BATCHONLY 2
#define CMD_HIDE 4
typedef struct tagCOMMAND
{
LPTSTR name;
INT flags;
INT (*func)(LPTSTR);
} COMMAND, *LPCOMMAND;
extern COMMAND cmds[]; /* The internal command table */
VOID PrintCommandList (VOID);
LPCTSTR GetParsedEnvVar ( LPCTSTR varName, UINT* varNameLen, BOOL ModeSetA );
/* Prototypes for CTTY.C */
#ifdef INCLUDE_CMD_CTTY
INT cmd_ctty(LPTSTR);
#endif
/* Prototypes for COLOR.C */
INT CommandColor(LPTSTR);
/* Prototypes for CONSOLE.C */
#include "console.h"
/* Prototypes for COPY.C */
INT cmd_copy (LPTSTR);
/* Prototypes for DATE.C */
INT cmd_date (LPTSTR);
/* Prototypes for DEL.C */
INT CommandDelete (LPTSTR);
/* Prototypes for DELAY.C */
INT CommandDelay (LPTSTR);
/* Prototypes for DIR.C */
INT FormatDate (TCHAR *, LPSYSTEMTIME, BOOL);
INT FormatTime (TCHAR *, LPSYSTEMTIME);
INT CommandDir (LPTSTR);
/* Prototypes for DIRSTACK.C */
VOID InitDirectoryStack (VOID);
VOID DestroyDirectoryStack (VOID);
INT GetDirectoryStackDepth (VOID);
INT CommandPushd (LPTSTR);
INT CommandPopd (LPTSTR);
INT CommandDirs (LPTSTR);
/* Prototypes for ECHO.C */
BOOL OnOffCommand(LPTSTR param, LPBOOL flag, INT message);
INT CommandEcho (LPTSTR);
INT CommandEchos (LPTSTR);
INT CommandEchoerr (LPTSTR);
INT CommandEchoserr (LPTSTR);
/* Prototypes for ERROR.C */
VOID
ErrorMessage(
IN DWORD dwErrorCode,
IN LPTSTR szFormat OPTIONAL,
...);
VOID error_no_pipe (VOID);
VOID error_bad_command (LPTSTR);
VOID error_invalid_drive (VOID);
VOID error_req_param_missing (VOID);
VOID error_sfile_not_found (LPTSTR);
VOID error_file_not_found (VOID);
VOID error_path_not_found (VOID);
VOID error_too_many_parameters (LPTSTR);
VOID error_parameter_format(TCHAR);
VOID error_invalid_switch (TCHAR);
VOID error_invalid_parameter_format (LPTSTR);
VOID error_out_of_memory (VOID);
VOID error_syntax (LPTSTR);
VOID msg_pause (VOID);
/* Prototypes for FILECOMP.C */
#ifdef FEATURE_UNIX_FILENAME_COMPLETION
VOID CompleteFilename (LPTSTR, UINT);
INT ShowCompletionMatches (LPTSTR, INT);
#endif
#ifdef FEATURE_4NT_FILENAME_COMPLETION
VOID CompleteFilename (LPTSTR, BOOL, LPTSTR, UINT);
#endif
/* Prototypes for FOR.C */
#define FOR_DIRS 1 /* /D */
#define FOR_F 2 /* /F */
#define FOR_LOOP 4 /* /L */
#define FOR_RECURSIVE 8 /* /R */
INT cmd_for (LPTSTR);
INT ExecuteFor(struct _PARSED_COMMAND *Cmd);
/* Prototypes for FREE.C */
INT CommandFree (LPTSTR);
/* Prototypes for GOTO.C */
INT cmd_goto (LPTSTR);
/* Prototypes for HISTORY.C */
#ifdef FEATURE_HISTORY
LPCTSTR PeekHistory(INT);
VOID History(INT, LPTSTR);/*add entries browse history*/
VOID History_move_to_bottom(VOID);/*F3*/
VOID InitHistory(VOID);
VOID CleanHistory(VOID);
VOID History_del_current_entry(LPTSTR str);/*CTRL-D*/
INT CommandHistory(LPTSTR param);
#endif
/* Prototypes for IF.C */
#define IFFLAG_NEGATE 1 /* NOT */
#define IFFLAG_IGNORECASE 2 /* /I - Extended */
enum {
/** Unary operators **/
/* Standard */
IF_ERRORLEVEL, IF_EXIST,
/* Extended */
IF_CMDEXTVERSION, IF_DEFINED,
/** Binary operators **/
/* Standard */
IF_STRINGEQ, /* == */
/* Extended */
IF_EQU, IF_NEQ, IF_LSS, IF_LEQ, IF_GTR, IF_GEQ
};
INT ExecuteIf(struct _PARSED_COMMAND *Cmd);
/* Prototypes for INTERNAL.C */
VOID InitLastPath (VOID);
VOID FreeLastPath (VOID);
INT cmd_chdir (LPTSTR);
INT cmd_mkdir (LPTSTR);
INT cmd_rmdir (LPTSTR);
INT CommandExit (LPTSTR);
INT CommandRem (LPTSTR);
INT CommandShowCommands (LPTSTR);
/* Prototypes for LOCALE.C */
extern TCHAR cDateSeparator;
extern INT nDateFormat;
extern TCHAR cTimeSeparator;
extern INT nTimeFormat;
extern TCHAR cThousandSeparator;
extern TCHAR cDecimalSeparator;
extern INT nNumberGroups;
VOID InitLocale (VOID);
LPTSTR GetDateString (VOID);
LPTSTR GetTimeString (VOID);
/* Prototypes for MEMORY.C */
INT CommandMemory (LPTSTR);
/* Prototypes for MKLINK.C */
INT cmd_mklink(LPTSTR);
/* Prototypes for MISC.C */
INT
GetRootPath(
IN LPCTSTR InPath,
OUT LPTSTR OutPath,
IN INT size);
BOOL SetRootPath(TCHAR *oldpath,TCHAR *InPath);
TCHAR cgetchar (VOID);
BOOL CheckCtrlBreak (INT);
BOOL add_entry (LPINT ac, LPTSTR **arg, LPCTSTR entry);
LPTSTR *split (LPTSTR, LPINT, BOOL, BOOL);
LPTSTR *splitspace (LPTSTR, LPINT);
VOID freep (LPTSTR *);
LPTSTR _stpcpy (LPTSTR, LPCTSTR);
VOID StripQuotes(LPTSTR);
BOOL IsValidPathName (LPCTSTR);
BOOL IsExistingFile (LPCTSTR);
BOOL IsExistingDirectory (LPCTSTR);
VOID GetPathCase(TCHAR *, TCHAR *);
#define PROMPT_NO 0
#define PROMPT_YES 1
#define PROMPT_ALL 2
#define PROMPT_BREAK 3
BOOL __stdcall PagePrompt(PCON_PAGER Pager, DWORD Done, DWORD Total);
INT FilePromptYN (UINT);
INT FilePromptYNA (UINT);
/* Prototypes for MOVE.C */
INT cmd_move (LPTSTR);
/* Prototypes for MSGBOX.C */
INT CommandMsgbox (LPTSTR);
/* Prototypes from PARSER.C */
/* These three characters act like spaces to the parser in most contexts */
#define STANDARD_SEPS _T(",;=")
enum { C_COMMAND, C_QUIET, C_BLOCK, C_MULTI, C_OR, C_AND, C_PIPE, C_IF, C_FOR };
typedef struct _PARSED_COMMAND
{
struct _PARSED_COMMAND *Subcommands;
struct _PARSED_COMMAND *Next;
struct _REDIRECTION *Redirections;
BYTE Type;
union
{
struct
{
TCHAR *Rest;
TCHAR First[];
} Command;
struct
{
BYTE Flags;
BYTE Operator;
TCHAR *LeftArg;
TCHAR *RightArg;
} If;
struct
{
BYTE Switches;
TCHAR Variable;
LPTSTR Params;
LPTSTR List;
struct _FOR_CONTEXT *Context;
} For;
};
} PARSED_COMMAND;
PARSED_COMMAND *ParseCommand(LPTSTR Line);
VOID EchoCommand(PARSED_COMMAND *Cmd);
TCHAR *Unparse(PARSED_COMMAND *Cmd, TCHAR *Out, TCHAR *OutEnd);
VOID FreeCommand(PARSED_COMMAND *Cmd);
void ParseErrorEx(LPTSTR s);
extern BOOL bParseError;
extern TCHAR ParseLine[CMDLINE_LENGTH];
/* Prototypes from PATH.C */
INT cmd_path (LPTSTR);
/* Prototypes from PROMPT.C */
VOID InitPrompt (VOID);
VOID PrintPrompt (VOID);
INT cmd_prompt (LPTSTR);
/* Prototypes for REDIR.C */
HANDLE GetHandle(UINT Number);
VOID SetHandle(UINT Number, HANDLE Handle);
typedef enum _REDIR_MODE
{
REDIR_READ = 0,
REDIR_WRITE = 1,
REDIR_APPEND = 2
} REDIR_MODE;
typedef struct _REDIRECTION
{
struct _REDIRECTION *Next;
HANDLE OldHandle;
BYTE Number;
REDIR_MODE Mode;
TCHAR Filename[];
} REDIRECTION;
BOOL PerformRedirection(REDIRECTION *);
VOID UndoRedirection(REDIRECTION *, REDIRECTION *End);
INT GetRedirection(LPTSTR, REDIRECTION **);
VOID FreeRedirection(REDIRECTION *);
/* Prototypes for REN.C */
INT cmd_rename (LPTSTR);
/* Prototypes for REN.C */
INT cmd_replace (LPTSTR);
/* Prototypes for SCREEN.C */
INT CommandScreen (LPTSTR);
/* Prototypes for SET.C */
INT cmd_set (LPTSTR);
/* Prototypes for SETLOCAL.C */
LPTSTR DuplicateEnvironment(VOID);
INT cmd_setlocal (LPTSTR);
INT cmd_endlocal (LPTSTR);
/* Prototypes for START.C */
INT cmd_start (LPTSTR);
/* Prototypes for STRTOCLR.C */
BOOL StringToColor (LPWORD, LPTSTR *);
/* Prototypes for TIME.C */
INT cmd_time (LPTSTR);
/* Prototypes for TIMER.C */
INT CommandTimer (LPTSTR param);
/* Prototypes for TITLE.C */
INT cmd_title (LPTSTR);
/* Prototypes for TYPE.C */
INT cmd_type (LPTSTR);
/* Prototypes for VER.C */
VOID InitOSVersion(VOID);
VOID PrintOSVersion(VOID);
INT cmd_ver (LPTSTR);
/* Prototypes for VERIFY.C */
INT cmd_verify (LPTSTR);
/* Prototypes for VOL.C */
INT cmd_vol (LPTSTR);
/* Prototypes for WHERE.C */
BOOL SearchForExecutable (LPCTSTR, LPTSTR);
/* Prototypes for WINDOW.C */
INT CommandActivate (LPTSTR);
INT CommandWindow (LPTSTR);
/* The MSDOS Batch Commands [MS-DOS 5.0 User's Guide and Reference p359] */
int cmd_if(TCHAR *);
int cmd_pause(TCHAR *);
int cmd_shift(TCHAR *);
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