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Disc to the Future 2
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Disc to the Future Part II Programmer's Reference (Wayzata Technology)(6013)(1992).bin
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MAC
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MACSHELL
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MS1
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COMMANDS
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CAT.C
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1992-12-02
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6KB
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220 lines
/*
* MacShell Source File
*
* Copyright (c) 1989, 1990, 1991, 1992 Suick Bay Technologies. All rights reserved.
*
*
* RESTRICTIONS ON MacShell program and source code.
*
* Ñ╩MacShell¬ is a product of Suick Bay Technologies and is provided for
* restricted use by the owner of the CDROM "Disk to the future II".
*
* Ñ╩No permission is granted for any commercial use without the written
* consent of the Suick Bay Technologies.
*
* Ñ╩No permission is granted for any redistribution of any kind use without
* the written consent of the Suick Bay Technologies.
*
* Ñ╩Permission is granted to use this for any personal noncommercial use.
*
* Ñ╩You may not distribute source or executable code at all, nor may you
* distribute it with or within a commercial product without the written
* consent of the Suick Bay Technologies. Please send modifications to
* the author for inclusion in updates to the program. Thanks.
*
*
* MacShell¬ IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* SUICK BAY TECHNOLOGIES SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY MACSHELL
* OR ANY PART THEREOF.
*
* In no event will Suick Bay Technologies be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Suick Bay Technologies has been advised of the possibility of such damages.
*
* Suick Bay Technologies can be reached at:
*
* 8768 Cottonwood lane
* Maple Grove, MN 55369
* Voice: (612) 425-7025
* AppleLink: D5233
*
* No parts of this software may be reproduced or stored in a
* retrieval system or transmitted in any form, or any means,
* electronic, mechanical, photocopying, recording or otherwise,
* without the prior written permission of Suick Bay Technologies.
*
* Spread the word and not the disk.
*
* SPK 012290 : Initial
*/
#include "SystemPub.h"
#include "Proc.h"
#include "ShellPub.h"
#include "Path.h"
#define BUFSIZE 256
/*******************************************************************
*
* Function cat
*
* PathName Callback function
*
* usage cat [options] [names]
*
*******************************************************************/
void CatCallBack( WHandle ShellWh, int16 ProcID,
char *path, char *last,
pathType what, int16 vRefNum, int32 dirID )
{
char readBuf[ BUFSIZE ];
char str[ 256 ];
int16 err, fileRefNum;
FInfo finder;
int32 count = BUFSIZE - 1;
int32 catLen;
if( what == pathIsFile )
{
strcpy( str, last );
CtoPstr( str );
err = HGetFInfo( vRefNum, dirID, str, &finder );
if( !err && (finder.fdType == 'TEXT' ))
{
err = HOpen( vRefNum, dirID, str, fsRdPerm, &fileRefNum );
if( err )
procPrintf( ShellWh, ProcID, "cat : can't cat %s (%d)\n",
last, err );
else
{
err = GetEOF( fileRefNum, &catLen );
while( !err && !UserAbort() )
{
err = FSRead( fileRefNum, &count, readBuf );
readBuf[ count ] = '\0';
if( !err || err == eofErr )
StdOut( ShellWh, ProcID, readBuf );
}
if( fileRefNum ) /* if a file open, close it */
FSClose( fileRefNum );
}
}
else
procPrintf( ShellWh, ProcID, "cat : %s is not a TEXT file.\n", last );
}
}
/*******************************************************************/
CatFile( WHandle ShellWh, int16 ProcID, char *argument )
{
ShellWindRec **MyShell;
int16 matches;
MyShell = (ShellWindRec **) (**ShellWh).thing;
matches = ExpandPath( ShellWh, ProcID, argument, (ProcPtr) CatCallBack,
(**MyShell).pwdVRefNum, (**MyShell).pwdDirID );
ResetShellPWD( ShellWh );
}
/*******************************************************************/
Boolean DoCAT( int16 ProcToken, WHandle ShellWh, int16 ProcID, char *string )
{
int16 i, argc;
char *cp, argument[ 256 ];
ShellWindRec **MyShell;
MyShell = (ShellWindRec **) (**ShellWh).thing;
switch( ProcToken )
{
case PROC_INIT :
(**MyShell).Proc[ ProcID ].flags = TRUE;
(**MyShell).Proc[ ProcID ].options = 0L;
break;
case PROC_TERM :
case PROC_BREAK :
/* Tell the shell that we're done */
SendOutToken( ShellWh, ProcID, PROC_BREAK );
/* Turn ourself off */
(**MyShell).Proc[ ProcID ].ProcActive = FALSE;
break;
case PROC_STDIN :
if( (**MyShell).Proc[ ProcID ].flags )
{
(**MyShell).Proc[ ProcID ].flags = FALSE;
argc = (**MyShell).Proc[ ProcID ].argc;
if( argc == 1 )
(**MyShell).Proc[ ProcID ].options = 1L;
else
{
for( i = 1; i < argc; i++ )
{
GetArgv( ShellWh, ProcID, i, argument );
cp = argument;
if( *cp++ == '-' )
{
if( *cp == '\0' ) /* read from stdin */
(**MyShell).Proc[ ProcID ].options = 1L;
else
while( *cp )
switch( *cp++ )
{
case 'u' : /* force */
break;
}
}
}
for( i = 1; i < argc; i++ )
{
GetArgv( ShellWh, ProcID, i, argument );
CatFile( ShellWh, ProcID, argument );
}
}
if( !(**MyShell).Proc[ ProcID ].options )
{
/* Tell the shell that we're done */
SendOutToken( ShellWh, ProcID, PROC_BREAK );
/* Turn ourself off */
(**MyShell).Proc[ ProcID ].ProcActive = FALSE;
(**MyShell).Proc[ ProcID ].flags = FALSE;
(**MyShell).Proc[ ProcID ].options = 0L;
}
return( FALSE );
}
if( (**MyShell).Proc[ ProcID ].options )
{
/* send stdin */
StdOut( ShellWh, ProcID, string );
break;
}
}
}