newlib-cygwin/newlib/libc/syscalls/sysfcntl.c

24 lines
421 B
C

/* connector for fcntl */
/* only called from stdio/fdopen.c, so arg can be int. */
#include <reent.h>
#include <errno.h>
int
fcntl (fd, flag, arg)
int fd;
int flag;
int arg;
{
#ifdef HAVE_FCNTL
# ifdef REENTRANT_SYSCALLS_PROVIDED
return _fcntl_r (_REENT, fd, flag, arg);
# else
return _fcntl (fd, flag, arg);
# endif
#else /* !HAVE_FCNTL */
errno = ENOSYS;
return -1;
#endif /* !HAVE_FCNTL */
}