* VAXCRTL which causes read from a pipe after EOF has been returned
* once to hang.
*/
-# define PerlIO_getc(f) (feof(f) ? EOF : getc(f))
-# define PerlIO_read(f,buf,count) (feof(f) ? 0 : fread(buf,1,count,f))
+# define PerlIO_getc(f) \
+ (feof(f) ? EOF : getc(f))
+# define PerlIO_read(f,buf,count) \
+ (feof(f) ? 0 : (SSize_t)fread(buf,1,count,f))
#else
# define PerlIO_ungetc(f,c) ungetc(c,f)
# define PerlIO_getc(f) getc(f)
-# define PerlIO_read(f,buf,count) fread(buf,1,count,f)
+# define PerlIO_read(f,buf,count) (SSize_t)fread(buf,1,count,f)
#endif
#define PerlIO_eof(f) feof(f)
#define PerlIO_getname(f,b) fgetname(f,b)
#define PerlIO_clearerr(f) clearerr(f)
#define PerlIO_flush(f) Fflush(f)
#define PerlIO_tell(f) ftell(f)
-#define PerlIO_seek(f,o,w) fseek(f,o,w)
+#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 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 PerlIO_has_cntptr(f) 0
#define PerlIO_canset_cnt(f) 0
#define PerlIO_get_cnt(f) (abort(),0)
-#define PerlIO_get_ptr(f) (abort(),0)
+#define PerlIO_get_ptr(f) (abort(),(void *)0)
#define PerlIO_set_cnt(f,c) abort()
#define PerlIO_set_ptrcnt(f,p,c) abort()
#define PerlIO_get_bufsiz(f) FILE_bufsiz(f)
#else
#define PerlIO_has_base(f) 0
-#define PerlIO_get_base(f) (abort(),0)
+#define PerlIO_get_base(f) (abort(),(void *)0)
#define PerlIO_get_bufsiz(f) (abort(),0)
#endif
#else /* PERLIO_IS_STDIO */
#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_
#undef fopen
#undef vfprintf
#undef fgetc
+#undef getc_unlocked
#undef fputc
+#undef putc_unlocked
#undef fputs
#undef ungetc
#undef fread
#define fputc(c,f) PerlIO_putc(f,c)
#define fputs(s,f) PerlIO_puts(f,s)
#define getc(f) PerlIO_getc(f)
+#ifdef getc_unlocked
+#undef getc_unlocked
+#endif
#define getc_unlocked(f) PerlIO_getc(f)
#define putc(c,f) PerlIO_putc(f,c)
+#ifdef putc_unlocked
+#undef putc_unlocked
+#endif
#define putc_unlocked(c,f) PerlIO_putc(c,f)
#define ungetc(c,f) PerlIO_ungetc(f,c)
#if 0
#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_