39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * bdm-isatty.c -- 
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 *
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 * Copyright (c) 2006 CodeSourcery Inc
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 *
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 * The authors hereby grant permission to use, copy, modify, distribute,
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 * and license this software and its documentation for any purpose, provided
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 * that existing copyright notices are retained in all copies and that this
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 * notice is included verbatim in any distributions. No written agreement,
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 * license, or royalty fee is required for any of the authorized uses.
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 * Modifications to this software may be copyrighted by their authors
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 * and need not follow the licensing terms described here, provided that
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 * the new terms are clearly indicated on the first page of each file where
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 * they apply.
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 */
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#include "bdm-semihost.h"
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#include "bdm-gdb.h"
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#include <unistd.h>
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#include <errno.h>
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/*
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 * isatty -- check if fd is a terminal
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 * input parameters:
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 *   0 : file descriptor
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 * output parameters:
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 *   0 : result
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 *   1 : errno
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 */
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int isatty (int fd)
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{
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  gdb_parambuf_t parameters;
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  parameters[0] = (uint32_t) fd;
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  BDM_TRAP (BDM_ISATTY, (uint32_t)parameters);
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  errno = convert_from_gdb_errno (parameters[1]);
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  return parameters[0];
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}
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