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Annotation of src/usr.bin/hexdump/hexsyntax.c, Revision 1.1

1.1     ! deraadt     1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: #ifndef lint
        !            35: /*static char sccsid[] = "from: @(#)hexsyntax.c        5.2 (Berkeley) 5/8/90";*/
        !            36: static char rcsid[] = "$Id: hexsyntax.c,v 1.2 1993/08/01 18:14:47 mycroft Exp $";
        !            37: #endif /* not lint */
        !            38:
        !            39: #include <sys/types.h>
        !            40: #include <stdio.h>
        !            41: #include "hexdump.h"
        !            42:
        !            43: off_t skip;                            /* bytes to skip */
        !            44:
        !            45: newsyntax(argc, argvp)
        !            46:        int argc;
        !            47:        char ***argvp;
        !            48: {
        !            49:        extern enum _vflag vflag;
        !            50:        extern FS *fshead;
        !            51:        extern char *optarg;
        !            52:        extern int length, optind;
        !            53:        int ch;
        !            54:        char *p, **argv;
        !            55:
        !            56:        argv = *argvp;
        !            57:        while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != EOF)
        !            58:                switch (ch) {
        !            59:                case 'b':
        !            60:                        add("\"%07.7_Ax\n\"");
        !            61:                        add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
        !            62:                        break;
        !            63:                case 'c':
        !            64:                        add("\"%07.7_Ax\n\"");
        !            65:                        add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
        !            66:                        break;
        !            67:                case 'd':
        !            68:                        add("\"%07.7_Ax\n\"");
        !            69:                        add("\"%07.7_ax \" 8/2 \"  %05u \" \"\\n\"");
        !            70:                        break;
        !            71:                case 'e':
        !            72:                        add(optarg);
        !            73:                        break;
        !            74:                case 'f':
        !            75:                        addfile(optarg);
        !            76:                        break;
        !            77:                case 'n':
        !            78:                        if ((length = atoi(optarg)) < 0) {
        !            79:                                (void)fprintf(stderr,
        !            80:                                    "hexdump: bad length value.\n");
        !            81:                                exit(1);
        !            82:                        }
        !            83:                        break;
        !            84:                case 'o':
        !            85:                        add("\"%07.7_Ax\n\"");
        !            86:                        add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
        !            87:                        break;
        !            88:                case 's':
        !            89:                        if ((skip = strtol(optarg, &p, 0)) < 0) {
        !            90:                                (void)fprintf(stderr,
        !            91:                                    "hexdump: bad skip value.\n");
        !            92:                                exit(1);
        !            93:                        }
        !            94:                        switch(*p) {
        !            95:                        case 'b':
        !            96:                                skip *= 512;
        !            97:                                break;
        !            98:                        case 'k':
        !            99:                                skip *= 1024;
        !           100:                                break;
        !           101:                        case 'm':
        !           102:                                skip *= 1048576;
        !           103:                                break;
        !           104:                        }
        !           105:                        break;
        !           106:                case 'v':
        !           107:                        vflag = ALL;
        !           108:                        break;
        !           109:                case 'x':
        !           110:                        add("\"%07.7_Ax\n\"");
        !           111:                        add("\"%07.7_ax \" 8/2 \"   %04x \" \"\\n\"");
        !           112:                        break;
        !           113:                case '?':
        !           114:                        usage();
        !           115:                        exit(1);
        !           116:                }
        !           117:
        !           118:        if (!fshead) {
        !           119:                add("\"%07.7_Ax\n\"");
        !           120:                add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
        !           121:        }
        !           122:
        !           123:        *argvp += optind;
        !           124: }
        !           125:
        !           126: usage()
        !           127: {
        !           128:        (void)fprintf(stderr,
        !           129: "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
        !           130:        exit(1);
        !           131: }