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Annotation of src/sys/stand/copy.c, Revision 1.9

1.9     ! matt        1: /*     $NetBSD: copy.c,v 1.8 1998/09/13 15:19:13 christos Exp $        */
1.8       christos    2:
1.1       cgd         3: /*-
1.3       cgd         4:  * Copyright (c) 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
1.1       cgd         6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the University of
                     18:  *     California, Berkeley and its contributors.
                     19:  * 4. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
1.3       cgd        35:
1.8       christos   36: #include <sys/cdefs.h>
1.3       cgd        37: #ifndef lint
1.8       christos   38: __COPYRIGHT("@(#) Copyright (c) 1993\n\
                     39:        The Regents of the University of California.  All rights reserved.\n");
1.3       cgd        40: #endif /* not lint */
                     41:
                     42: #ifndef lint
1.8       christos   43: #if 0
                     44: static char sccsid[] = "@(#)copy.c     8.1 (Berkeley) 6/11/93";
                     45: #else
1.9     ! matt       46: __RCSID("$NetBSD: copy.c,v 1.8 1998/09/13 15:19:13 christos Exp $");
1.8       christos   47: #endif
1.3       cgd        48: #endif /* not lint */
1.1       cgd        49:
                     50: #define        BSIZE   10240
                     51:
                     52: /*
                     53:  * Copy from from to to.  Intended for use in system installation.
                     54:  */
                     55: main()
                     56: {
                     57:        extern int errno;
                     58:        register int from, to, record, rcc, wcc, bsize = BSIZE;
                     59:        char buf[BSIZE];
                     60:
                     61:        from = getfile("From", 0);
                     62:        to = getfile("To", 1);
                     63:        for (record = 0;; ++record) {
                     64:                if (!(rcc = read(from, buf, bsize)))
                     65:                        break;
                     66:                if (rcc < 0) {
1.7       christos   67:                        printf("Record %d: read error, errno=%d\n",
1.1       cgd        68:                            record, errno);
                     69:                        break;
                     70:                }
                     71:                if (rcc != bsize) {
                     72:                        if (record == 0) {
                     73:                                bsize = rcc;
1.7       christos   74:                                printf("Block size set from input; %d bytes\n",
1.1       cgd        75:                                    bsize);
                     76:                        } else
1.7       christos   77:                                printf("Record %d: read short; expected %d, got %d\n",
1.1       cgd        78:                                    record, bsize, rcc);
                     79:                }
1.9     ! matt       80: #ifdef __vax__
1.1       cgd        81:                /* For bug in ht driver. */
                     82:                if (rcc > bsize)
                     83:                        rcc = bsize;
                     84: #endif
                     85:                if ((wcc = write(to, buf, rcc)) < 0) {
1.7       christos   86:                        printf("Record %d: write error: errno=%d\n",
1.1       cgd        87:                            record, errno);
                     88:                        break;
                     89:                }
                     90:                if (wcc < rcc) {
1.7       christos   91:                        printf("Record %d: write short; expected %d, got %d\n",
1.1       cgd        92:                            record, rcc, wcc);
                     93:                        break;
                     94:                }
                     95:        }
1.7       christos   96:        printf("copy completed: %d records copied\n", record);
1.1       cgd        97: }

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