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Annotation of 43BSD/sys/mdec/installboot.c, revision 1.1.1.1

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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