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1.1 ! root 1: /*- ! 2: * Copyright (c) 1991 The Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms, with or without ! 6: * modification, are permitted provided that the following conditions ! 7: * are met: ! 8: * 1. Redistributions of source code must retain the above copyright ! 9: * notice, this list of conditions and the following disclaimer. ! 10: * 2. Redistributions in binary form must reproduce the above copyright ! 11: * notice, this list of conditions and the following disclaimer in the ! 12: * documentation and/or other materials provided with the distribution. ! 13: * 3. All advertising materials mentioning features or use of this software ! 14: * must display the following acknowledgement: ! 15: * This product includes software developed by the University of ! 16: * California, Berkeley and its contributors. ! 17: * 4. Neither the name of the University nor the names of its contributors ! 18: * may be used to endorse or promote products derived from this software ! 19: * without specific prior written permission. ! 20: * ! 21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 31: * SUCH DAMAGE. ! 32: * ! 33: * @(#)cp.c 5.1 (Berkeley) 5/9/91 ! 34: */ ! 35: ! 36: #include <fcntl.h> ! 37: ! 38: int eval; ! 39: ! 40: main(argc, argv) ! 41: int argc; ! 42: char **argv; ! 43: { ! 44: register int from, to, nr; ! 45: char buf[2048]; ! 46: ! 47: if (*++argv && **argv == '-') { ! 48: err("no options available", 0); ! 49: _exit(1); ! 50: } ! 51: if (argc != 3) { ! 52: err("usage: cp file1 file2", 0); ! 53: _exit(1); ! 54: } ! 55: if ((from = open(argv[0], O_RDONLY, 0)) < 0) ! 56: err(argv[0], 1); ! 57: else if ((to = open(argv[1], O_CREAT|O_TRUNC|O_WRONLY, 0666)) < 0) ! 58: err(argv[1], 1); ! 59: else { ! 60: while ((nr = read(from, buf, sizeof(buf))) > 0) ! 61: if (write(to, buf, nr) != nr) { ! 62: err(argv[1], 1); ! 63: break; ! 64: } ! 65: if (nr == -1) ! 66: err(argv[0], 1); ! 67: } ! 68: _exit(eval); ! 69: } ! 70: ! 71: #define PROGNAME "cp: " ! 72: #include "errfunction"
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