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Annotation of 43BSDReno/usr.bin/hexdump/hexdump.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1989 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #ifndef lint
                     21: char copyright[] =
                     22: "@(#) Copyright (c) 1989 The Regents of the University of California.\n\
                     23:  All rights reserved.\n";
                     24: #endif /* not lint */
                     25: 
                     26: #ifndef lint
                     27: static char sccsid[] = "@(#)hexdump.c  5.5 (Berkeley) 6/1/90";
                     28: #endif /* not lint */
                     29: 
                     30: #include <sys/types.h>
                     31: #include <stdio.h>
                     32: #include "hexdump.h"
                     33: 
                     34: FS *fshead;                            /* head of format strings */
                     35: int blocksize;                         /* data block size */
                     36: int exitval;                           /* final exit value */
                     37: int length = -1;                       /* max bytes to read */
                     38: 
                     39: main(argc, argv)
                     40:        int argc;
                     41:        char **argv;
                     42: {
                     43:        extern int errno;
                     44:        register FS *tfs;
                     45:        char *p, *rindex();
                     46: 
                     47:        if (!(p = rindex(argv[0], 'o')) || strcmp(p, "od"))
                     48:                newsyntax(argc, &argv);
                     49:        else
                     50:                oldsyntax(argc, &argv);
                     51: 
                     52:        /* figure out the data block size */
                     53:        for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
                     54:                tfs->bcnt = size(tfs);
                     55:                if (blocksize < tfs->bcnt)
                     56:                        blocksize = tfs->bcnt;
                     57:        }
                     58:        /* rewrite the rules, do syntax checking */
                     59:        for (tfs = fshead; tfs; tfs = tfs->nextfs)
                     60:                rewrite(tfs);
                     61: 
                     62:        (void)next(argv);
                     63:        display();
                     64:        exit(exitval);
                     65: }

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