18 lines
465 B
C
18 lines
465 B
C
#include <machine/syscall.h>
|
|
#include <sys/stat.h>
|
|
#include "internal_syscall.h"
|
|
|
|
extern int _fstat(int file, struct stat *st);
|
|
|
|
/* Query whether output stream is a terminal. For consistency with the
|
|
other minimal implementations, which only support output to stdout,
|
|
this minimal implementation is suggested by the newlib docs. */
|
|
|
|
int
|
|
_isatty(int file)
|
|
{
|
|
struct stat s;
|
|
int ret = _fstat (file, &s);
|
|
return ret == -1 ? -1 : !!(s.st_mode & S_IFCHR);
|
|
}
|