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Annotation of 43BSDReno/sys/mdec/installboot.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980, 1986 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: char copyright[] =
        !             9: "@(#) Copyright (c) 1980, 1986 Regents of the University of California.\n\
        !            10:  All rights reserved.\n";
        !            11: #endif not lint
        !            12: 
        !            13: #ifndef lint
        !            14: static char sccsid[] = "@(#)installboot.c      7.1 (Berkeley) 6/5/86";
        !            15: #endif not lint
        !            16: 
        !            17: #include "../h/param.h"
        !            18: #include "../h/fs.h"
        !            19: 
        !            20: char bootimage[BBSIZE];
        !            21: 
        !            22: main(argc, argv)
        !            23:        int argc;
        !            24:        char *argv[];
        !            25: {
        !            26:        int fd;
        !            27: 
        !            28:        if (argc != 4) {
        !            29:                printf("Usage: installboot bootblock bootprog device\n");
        !            30:                exit(1);
        !            31:        }
        !            32:        fd = open(argv[1], 0);
        !            33:        if (fd < 0) {
        !            34:                perror(argv[1]);
        !            35:                exit(1);
        !            36:        }
        !            37:        read(fd, bootimage, DEV_BSIZE);
        !            38:        close(fd);
        !            39:        fd = open(argv[2], 0);
        !            40:        if (fd < 0) {
        !            41:                perror(argv[2]);
        !            42:                exit(1);
        !            43:        }
        !            44:        read(fd, &bootimage[DEV_BSIZE], BBSIZE - DEV_BSIZE);
        !            45:        close(fd);
        !            46:        fd = open(argv[3], 1);
        !            47:        if (fd < 0) {
        !            48:                perror(argv[3]);
        !            49:                exit(1);
        !            50:        }
        !            51:        write(fd, bootimage, BBSIZE);
        !            52:        close(fd);
        !            53: }

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