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Annotation of src/usr.bin/hexdump/hexdump.c, Revision 1.13

1.13    ! deraadt     1: /*     $OpenBSD: hexdump.c,v 1.12 2007/01/28 16:37:09 miod Exp $       */
1.7       pvalchev    2: /*     $NetBSD: hexdump.c,v 1.7 1997/10/19 02:34:06 lukem Exp $        */
1.4       deraadt     3:
1.1       deraadt     4: /*
1.7       pvalchev    5:  * Copyright (c) 1989, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
1.1       deraadt     7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
1.9       millert    16:  * 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: #include <sys/types.h>
                     34: #include <stdio.h>
1.11      david      35: #include <stdlib.h>
1.3       deraadt    36: #include <string.h>
1.1       deraadt    37: #include "hexdump.h"
                     38:
                     39: FS *fshead;                            /* head of format strings */
                     40: int blocksize;                         /* data block size */
                     41: int exitval;                           /* final exit value */
1.12      miod       42: long length = -1;                      /* max bytes to read */
1.1       deraadt    43:
1.8       millert    44: int    main(int, char **);
1.7       pvalchev   45:
1.5       deraadt    46: int
1.10      deraadt    47: main(int argc, char *argv[])
1.1       deraadt    48: {
1.6       mpech      49:        FS *tfs;
1.2       deraadt    50:        char *p;
1.1       deraadt    51:
1.2       deraadt    52:        if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
1.1       deraadt    53:                newsyntax(argc, &argv);
                     54:        else
                     55:                oldsyntax(argc, &argv);
                     56:
                     57:        /* figure out the data block size */
                     58:        for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
                     59:                tfs->bcnt = size(tfs);
                     60:                if (blocksize < tfs->bcnt)
                     61:                        blocksize = tfs->bcnt;
                     62:        }
                     63:        /* rewrite the rules, do syntax checking */
                     64:        for (tfs = fshead; tfs; tfs = tfs->nextfs)
                     65:                rewrite(tfs);
                     66:
                     67:        (void)next(argv);
                     68:        display();
                     69:        exit(exitval);
                     70: }