diff options
Diffstat (limited to 'sys/lib/libsa/gets.c')
| -rw-r--r-- | sys/lib/libsa/gets.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/sys/lib/libsa/gets.c b/sys/lib/libsa/gets.c new file mode 100644 index 00000000000..19b2293ca2d --- /dev/null +++ b/sys/lib/libsa/gets.c @@ -0,0 +1,90 @@ +/* $NetBSD: gets.c,v 1.5.2.1 1995/10/13 19:54:26 pk Exp $ */ + +/*- + * Copyright (c) 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)gets.c 8.1 (Berkeley) 6/11/93 + */ + +#include "stand.h" + +void +gets(buf) + char *buf; +{ + register int c; + register char *lp; + + for (lp = buf;;) + switch (c = getchar() & 0177) { + case '\n': + case '\r': + *lp = '\0'; + putchar('\n'); + return; + case '\b': + case '\177': + if (lp > buf) { + lp--; + putchar('\b'); + putchar(' '); + putchar('\b'); + } + break; +#if HASH_ERASE + case '#': + if (lp > buf) + --lp; + break; +#endif + case 'r'&037: { + register char *p; + + putchar('\n'); + for (p = buf; p < lp; ++p) + putchar(*p); + break; + } +#if AT_ERASE + case '@': +#endif + case 'u'&037: + case 'w'&037: + lp = buf; + putchar('\n'); + break; + default: + *lp++ = c; + putchar(c); + } + /*NOTREACHED*/ +} |