i386/libsaio/console.c

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
   7  * Reserved.  This file contains Original Code and/or Modifications of
   8  * Original Code as defined in and that are subject to the Apple Public
   9  * Source License Version 1.1 (the "License").  You may not use this file
  10  * except in compliance with the License.  Please obtain a copy of the
  11  * License at http://www.apple.com/publicsource and read it before using
  12  * this file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
  19  * License for the specific language governing rights and limitations
  20  * under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  */
  24 /*
  25  * Mach Operating System
  26  * Copyright (c) 1990 Carnegie-Mellon University
  27  * Copyright (c) 1989 Carnegie-Mellon University
  28  * All rights reserved.  The CMU software License Agreement specifies
  29  * the terms and conditions for use and redistribution.
  30  */
  31
  32 /*
  33  *                      INTEL CORPORATION PROPRIETARY INFORMATION
  34  *
  35  *      This software is supplied under the terms of a license  agreement or
  36  *      nondisclosure agreement with Intel Corporation and may not be copied
  37  *      nor disclosed except in accordance with the terms of that agreement.
  38  *
  39  *      Copyright 1988, 1989 Intel Corporation
  40  */
  41
  42 /*
  43  * Copyright 1993 NeXT, Inc.
  44  * All rights reserved.
  45  */
  46
  47 #include "libsaio.h"
  48
  49 BOOL verbose_mode;
  50 BOOL errors;
  51
  52 /*
  53  * write one character to console
  54  */
  55 void putchar(int c)
  56 {
  57         if ( c == '\t' )
  58         {
  59                 for (c = 0; c < 8; c++) putc(' ');
  60                 return;
  61         }
  62
  63         if ( c == '\n' )
  64     {
  65                 putc('\r');
  66     }
  67
  68         putc(c);
  69 }
  70
  71 int getc()
  72 {
  73     int c = bgetc();
  74
  75     if ((c & 0xff) == 0)
  76         return c;
  77     else
  78         return (c & 0xff);
  79 }
  80
  81 // Read and echo a character from console.  This doesn't echo backspace
  82 // since that screws up higher level handling
  83
  84 int getchar()
  85 {
  86         register int c = getc();
  87
  88         if ( c == '\r' ) c = '\n';
  89
  90         if ( c >= ' ' && c < 0x7f) putchar(c);
  91
  92         return (c);
  93 }
  94
  95 int printf(const char * fmt, ...)
  96 {
  97     va_list ap;
  98     va_start(ap, fmt);
  99     prf(fmt, ap, putchar, 0);
 100     va_end(ap);
 101     return 0;
 102 }
 103
 104 int verbose(const char * fmt, ...)
 105 {
 106     va_list ap;
 107
 108     if (verbose_mode)
 109     {
 110         va_start(ap, fmt);
 111         prf(fmt, ap, putchar, 0);
 112         va_end(ap);
 113     }
 114     return(0);
 115 }
 116
 117 int error(const char * fmt, ...)
 118 {
 119     va_list ap;
 120     errors = YES;
 121     va_start(ap, fmt);
 122     prf(fmt, ap, putchar, 0);
 123     va_end(ap);
 124     return(0);
 125 }