#define PerlIO_clearerr(f) clearerr(f)
#define PerlIO_flush(f) Fflush(f)
#define PerlIO_tell(f) ftell(f)
+#if defined(USE_64_BIT_STDIO) && defined(HAS_FTELLO) && !defined(USE_FTELL64)
+#define ftell ftello
+#endif
#if defined(VMS) && !defined(__DECC)
/* Old VAXC RTL doesn't reset EOF on seek; Perl folk seem to expect this */
# define PerlIO_seek(f,o,w) (((f) && (*f) && ((*f)->_flag &= ~_IOEOF)),fseek(f,o,w))
#else
# define PerlIO_seek(f,o,w) fseek(f,o,w)
#endif
+#if defined(USE_64_BIT_STDIO) && defined(HAS_FSEEKO) && !defined(USE_FSEEK64)
+#define fseek fseeko
+#endif
#ifdef HAS_FGETPOS
#define PerlIO_getpos(f,p) fgetpos(f,p)
#endif
#ifdef HAS_SETLINEBUF
#define PerlIO_setlinebuf(f) setlinebuf(f);
#else
-# ifdef CYGWIN
-# define PerlIO_setlinebuf(f)
-# else
-# define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
-# endif
+#define PerlIO_setlinebuf(f) setvbuf(f, Nullch, _IOLBF, 0);
#endif
/* Now our interface to Configure's FILE_xxx macros */
#ifdef STDIO_CNT_LVALUE
#define PerlIO_canset_cnt(f) 1
+#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
#ifdef STDIO_PTR_LVALUE
+#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
#define PerlIO_fast_gets(f) 1
#endif
-#define PerlIO_set_cnt(f,c) (FILE_cnt(f) = (c))
-#else
+#endif /* STDIO_PTR_LVALUE */
+#else /* STDIO_CNT_LVALUE */
#define PerlIO_canset_cnt(f) 0
#define PerlIO_set_cnt(f,c) abort()
#endif
#ifdef STDIO_PTR_LVALUE
-#define PerlIO_set_ptrcnt(f,p,c) (FILE_ptr(f) = (p), PerlIO_set_cnt(f,c))
+#ifdef STDIO_PTR_LVAL_NOCHANGE_CNT
+#define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p), PerlIO_set_cnt(f,c);} STMT_END
+#else
+#ifdef STDIO_PTR_LVAL_SETS_CNT
+/* assert() may pre-process to ""; potential syntax error (FILE_ptr(), ) */
+#define PerlIO_set_ptrcnt(f,p,c) STMT_START {FILE_ptr(f) = (p); assert(FILE_cnt(f) == (c));} STMT_END
+#define PerlIO_fast_gets(f) 1
#else
#define PerlIO_set_ptrcnt(f,p,c) abort()
#endif
+#endif
+#endif
#else /* USE_STDIO_PTR */
#define _flsbuf(c,f) _CANNOT _flsbuf_
#define fdopen(fd,p) _CANNOT _fdopen_
#define fileno(f) _CANNOT _fileno_
+#if SFIO_VERSION < 20000101L
#define flockfile(f) _CANNOT _flockfile_
#define ftrylockfile(f) _CANNOT _ftrylockfile_
#define funlockfile(f) _CANNOT _funlockfile_
+#endif
#define getc_unlocked(f) _CANNOT _getc_unlocked_
#define putc_unlocked(c,f) _CANNOT _putc_unlocked_
#define popen(c,m) _CANNOT _popen_
#define _flsbuf(c,f) _CANNOT _flsbuf_
#define getw(f) _CANNOT _getw_
#define putw(v,f) _CANNOT _putw_
+#if SFIO_VERSION < 20000101L
#define flockfile(f) _CANNOT _flockfile_
#define ftrylockfile(f) _CANNOT _ftrylockfile_
#define funlockfile(f) _CANNOT _funlockfile_
+#endif
#define freopen(p,m,f) _CANNOT _freopen_
#define setbuf(f,b) _CANNOT _setbuf_
#define setvbuf(f,b,x,s) _CANNOT _setvbuf_