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Annotation of XNU/bsd/dev/ppc/machdep.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * Copyright (c) 1997 Apple Computer, Inc.  All rights reserved.
                     24:  * Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
                     25:  *
                     26:  *
                     27:  * Machine dependent cruft.
                     28:  *
                     29:  * 27-Apr-1997  A.Ramesh at Apple 
                     30:  *
                     31:  *
                     32:  */
                     33: 
                     34: #import <mach/mach_types.h>
                     35: #import <mach/machine.h>
                     36: #import <sys/reboot.h>
                     37: 
                     38: int reboot_how;
                     39: extern struct tty      cons;
                     40: extern struct tty      *constty;               /* current console device */
                     41: 
                     42: extern int getchar();
                     43: 
                     44: 
                     45: 
                     46: 
                     47: 
                     48: 
                     49: 
                     50: #define putchar cnputc
                     51: 
                     52: void
                     53: gets(buf)
                     54:        char *buf;
                     55: {
                     56:        register char *lp;
                     57:        register c;
                     58: 
                     59:        lp = buf;
                     60:        for (;;) {
                     61:                c = getchar() & 0177;
                     62:                switch(c) {
                     63:                case '\n':
                     64:                case '\r':
                     65:                        *lp++ = '\0';
                     66:                        return;
                     67:                case '\b':
                     68:                        if (lp > buf) {
                     69:                                lp--;
                     70:                                putchar(' ');
                     71:                                putchar('\b');
                     72:                        }
                     73:                        continue;
                     74:                case '#':
                     75:                case '\177':
                     76:                        lp--;
                     77:                        if (lp < buf)
                     78:                                lp = buf;
                     79:                        continue;
                     80:                case '@':
                     81:                case 'u'&037:
                     82:                        lp = buf;
                     83:                        putchar('\n');          /* XXX calls 'cnputc' on mips */
                     84:                        continue;
                     85:                default:
                     86:                        *lp++ = c;
                     87:                }
                     88:        }
                     89: }
                     90: 
                     91: int
                     92: getchar()
                     93: {
                     94:        int c;
                     95: 
                     96:        c = cngetc();
                     97: #if 0
                     98:        if (c == 0x1b)          /* ESC ? */
                     99:                call_kdp();
                    100: #endif 0
                    101: 
                    102:        if (c == '\r')
                    103:                c = '\n';
                    104:         cnputc(c);
                    105:        return c;
                    106: }
                    107: 

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