1 /* Copyright (C) 1989, 1990, 1993, 1996, 1999, 2000 Aladdin Enterprises. All rights reserved. 2 3 This software is provided AS-IS with no warranty, either express or 4 implied. 5 6 This software is distributed under license and may not be copied, 7 modified or distributed except as expressly authorized under the terms 8 of the license contained in the file LICENSE in this distribution. 9 10 For more information about licensing, please refer to 11 http://www.ghostscript.com/licensing/. For information on 12 commercial licensing, go to http://www.artifex.com/licensing/ or 13 contact Artifex Software, Inc., 101 Lucas Valley Road #110, 14 San Rafael, CA 94903, U.S.A., +1(415)492-9861. 15 */ 16 17 /* $Id: gsio.h,v 1.8 2004/08/04 19:36:12 stefan Exp $ */ 18 /* stdio redirection */ 19 20 #ifndef gsio_INCLUDED 21 # define gsio_INCLUDED 22 23 /* 24 * The library and interpreter must never use stdin/out/err directly. 25 * Make references to them illegal. 26 */ 27 #undef stdin 28 #define stdin stdin_not_available 29 #undef stdout 30 #define stdout stdout_not_available 31 #undef stderr 32 #define stderr stderr_not_available 33 34 /* 35 * Redefine all the relevant stdio functions to reference stdin/out/err 36 * explicitly, or to be illegal. 37 */ 38 #undef fgetchar 39 #define fgetchar() Function._fgetchar_.unavailable 40 #undef fputchar 41 #define fputchar(c) Function._fputchar_.unavailable 42 #undef getchar 43 #define getchar() Function._getchar_.unavailable 44 #undef gets 45 #define gets Function._gets_.unavailable 46 /* We should do something about perror, but since many Unix systems */ 47 /* don't provide the strerror function, we can't. (No Aladdin-maintained */ 48 /* code uses perror.) */ 49 #undef printf 50 #define printf Function._printf_.unavailable 51 #undef putchar 52 #define putchar(c) Function._putchar_.unavailable 53 #undef puts 54 #define puts(s) Function._putchar_.unavailable 55 #undef scanf 56 #define scanf Function._scanf_.unavailable 57 #undef vprintf 58 #define vprintf Function._vprintf_.unavailable 59 #undef vscanf 60 #define vscanf Function._vscanf_.unavailable 61 62 #endif /* gsio_INCLUDED */ 63