Annotation of sys/lib/libsa/gets.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: gets.c,v 1.4 2003/08/11 06:23:09 deraadt Exp $ */
! 2: /* $NetBSD: gets.c,v 1.5.2.1 1995/10/13 19:54:26 pk Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. Neither the name of the University nor the names of its contributors
! 17: * may be used to endorse or promote products derived from this software
! 18: * without specific prior written permission.
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 30: * SUCH DAMAGE.
! 31: *
! 32: * @(#)gets.c 8.1 (Berkeley) 6/11/93
! 33: */
! 34:
! 35: #include "stand.h"
! 36:
! 37: void
! 38: gets(char *buf)
! 39: {
! 40: int c;
! 41: char *lp;
! 42:
! 43: for (lp = buf;;)
! 44: switch (c = getchar() & 0177) {
! 45: case '\n':
! 46: case '\r':
! 47: *lp = '\0';
! 48: putchar('\n');
! 49: return;
! 50: case '\b':
! 51: case '\177':
! 52: if (lp > buf) {
! 53: lp--;
! 54: putchar('\b');
! 55: putchar(' ');
! 56: putchar('\b');
! 57: }
! 58: break;
! 59: #if HASH_ERASE
! 60: case '#':
! 61: if (lp > buf)
! 62: --lp;
! 63: break;
! 64: #endif
! 65: case 'r'&037: {
! 66: char *p;
! 67:
! 68: putchar('\n');
! 69: for (p = buf; p < lp; ++p)
! 70: putchar(*p);
! 71: break;
! 72: }
! 73: #if AT_ERASE
! 74: case '@':
! 75: #endif
! 76: case 'u'&037:
! 77: case 'w'&037:
! 78: lp = buf;
! 79: putchar('\n');
! 80: break;
! 81: default:
! 82: *lp++ = c;
! 83: putchar(c);
! 84: }
! 85: /*NOTREACHED*/
! 86: }
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