diff options
Diffstat (limited to 'sys/arch/mvme88k/stand/libsa/gets.c')
| -rw-r--r-- | sys/arch/mvme88k/stand/libsa/gets.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/stand/libsa/gets.c b/sys/arch/mvme88k/stand/libsa/gets.c new file mode 100644 index 00000000000..071acc0d9fa --- /dev/null +++ b/sys/arch/mvme88k/stand/libsa/gets.c @@ -0,0 +1,141 @@ +/* $Id: gets.c,v 1.1 1997/03/03 19:30:35 rahnds Exp $ */ + +/*- + * Copyright (c) 1995 Theo de Raadt + * 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 Theo de Raadt + * 4. The name of the Author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + * 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" + +/* + * This implementation assumes that getchar() does echo, because + * on some machines, it is hard to keep echo from being done. + * Those that need it can do echo in their getchar() function. + * + * Yes, the code below will echo CR, DEL, and other control chars, + * but sending CR or DEL here is harmless. All the other editing + * characters will be followed by a newline, so it doesn't matter. + * (Most terminals will not show them anyway.) + */ + +void +gets(buf) + char *buf; +{ + register int c; + register char *lp; + +top: + lp = buf; + + for (;;) { + c = getchar() & 0177; + + putchar(c); + + switch (c) { + + default: + *lp++ = c; + continue; + + case '\177': + putchar('\b'); + /* fall through */ + case '\b': + putchar(' '); + putchar('\b'); + /* fall through */ + case '#': + if (lp > buf) + lp--; + continue; + + /* + * This is not very useful in a boot program. + * (It costs you 52 bytes on m68k, gcc -O3). + */ + case 'r'&037: { + register char *p; + putchar('\n'); + for (p = buf; p < lp; ++p) + putchar(*p); + continue; + } + + case '@': + case 'u'&037: + case 'w'&037: + putchar('\n'); + goto top; + + case '\r': + putchar('\n'); + /* fall through */ + case '\n': + *lp = '\0'; + return; + + } /* switch */ + } + /*NOTREACHED*/ +} |