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