/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ // // io.h - simple io and input parsing routines // // Written by Eryk Vershen (eryk@apple.com) // /* * Copyright 1996,1997 by Apple Computer, Inc. * All Rights Reserved * * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appears in all copies and * that both the copyright notice and this permission notice appear in * supporting documentation. * * APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ // // Defines // #define PBLOCK_SIZE 512 #define MAXIOSIZE 2048 // // Types // struct media { int fd; /* what to read/write on */ int block_size; /* units to read/write (multiple of PBLOCK_SIZE) */ int factor; /* block_size/PBLOCK_SIZE */ }; typedef struct media media; // // Global Constants // extern const long kDefault; // // Global Variables // // // Forward declarations // void bad_input(char *fmt, ...); int close_media(media *dev); void flush_to_newline(int keep_newline); int get_command(char *prompt, int promptBeforeGet, int *command); long get_multiplier(long divisor); int get_number_argument(char *prompt, long *number, long default_value); int get_okay(char *prompt, int default_value); int get_string_argument(char *prompt, char **string, int reprompt); int getch(); int number_of_digits(unsigned long value); media *open_media(const char *path, int oflag); int read_media(media *dev, unsigned long num, char *buf, int quiet); void ungetch(int c); int write_media(media *dev, unsigned long num, char *buf);