diff options
Diffstat (limited to 'sys/arch/amiga/stand/boot/aout2bb/chksum.c')
| -rw-r--r-- | sys/arch/amiga/stand/boot/aout2bb/chksum.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/sys/arch/amiga/stand/boot/aout2bb/chksum.c b/sys/arch/amiga/stand/boot/aout2bb/chksum.c deleted file mode 100644 index 1a857e69016..00000000000 --- a/sys/arch/amiga/stand/boot/aout2bb/chksum.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * $OpenBSD: chksum.c,v 1.1 1997/01/16 09:26:50 niklas Exp $ - * $NetBSD: chksum.c,v 1.1.1.1 1996/11/29 23:36:30 is Exp $ - * - * Copyright (c) 1996 Ignatios Souvatzis - * 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 Ignatios Souvatzis - * for the NetBSD project. - * 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. - * - */ - -#include <stdio.h> -#include <unistd.h> -#include <sys/types.h> - -#include "chksum.h" - -u_int32_t -chksum(block, size) - u_int32_t *block; - int size; -{ - u_int32_t sum, lastsum; - int i; - - sum = 0; - - for (i=0; i<size; i++) { - lastsum = sum; - sum += block[i]; - if (sum < lastsum) - ++sum; - } - - return sum; -} - -#ifdef TESTSUM -u_int32_t myblock[8192]; - -int -main(int argc, char *argb[]) { - int bbsize; - u_int32_t cks, cks1; - - bbsize=atol(argb[1]); - bbsize *= (512 / sizeof (u_int32_t)); - - if (4*bbsize != read(0, myblock, sizeof(u_int32_t)*bbsize)) { - fprintf(stderr, "short read\n"); - exit(1); - } - fprintf(stderr, "Cksum field = 0x%x, ", myblock[1]); - cks = chksum(myblock, bbsize); - fprintf(stderr, "cksum = 0x%x\n", cks); - myblock[1] += 0xFFFFFFFF - cks; - fprintf(stderr, "New cksum field = 0x%x, ", myblock[1]); - cks1 = chksum(myblock, bbsize); - fprintf(stderr, "cksum = 0x%x\n", cks1); -} -#endif |