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/*
* io-isatty.c --
*
* Copyright (c) 2006 CodeSourcery Inc
* Copyright (c) 2018 Mentor Graphics
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include <unistd.h>
#include <errno.h>
#define IO isatty
#include "io.h"
/*
* isatty -- check if fd is a terminal
* input parameters:
* 0 : file descriptor
* output parameters:
* 0 : result
* 1 : errno
*/
int isatty (int fd)
{
#if HOSTED
gdb_parambuf_t parameters;
parameters[0] = (uint32_t) fd;
__io_hosted (HOSTED_ISATTY, parameters);
errno = __hosted_from_gdb_errno (parameters[1]);
return parameters[0];
#else
return 1;
#endif
}
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