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Annotation of 43BSDReno/usr.bin/hexdump/conv.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: static char sccsid[] = "@(#)conv.c     5.4 (Berkeley) 6/1/90";
        !            22: #endif /* not lint */
        !            23: 
        !            24: #include <sys/types.h>
        !            25: #include <ctype.h>
        !            26: #include "hexdump.h"
        !            27: 
        !            28: conv_c(pr, p)
        !            29:        PR *pr;
        !            30:        u_char *p;
        !            31: {
        !            32:        extern int deprecated;
        !            33:        char buf[10], *str;
        !            34: 
        !            35:        switch(*p) {
        !            36:        case '\0':
        !            37:                str = "\\0";
        !            38:                goto strpr;
        !            39:        /* case '\a': */
        !            40:        case '\007':
        !            41:                if (deprecated)         /* od didn't know about \a */
        !            42:                        break;
        !            43:                str = "\\a";
        !            44:                goto strpr;
        !            45:        case '\b':
        !            46:                str = "\\b";
        !            47:                goto strpr;
        !            48:        case '\f':
        !            49:                str = "\\f";
        !            50:                goto strpr;
        !            51:        case '\n':
        !            52:                str = "\\n";
        !            53:                goto strpr;
        !            54:        case '\r':
        !            55:                str = "\\r";
        !            56:                goto strpr;
        !            57:        case '\t':
        !            58:                str = "\\t";
        !            59:                goto strpr;
        !            60:        case '\v':
        !            61:                if (deprecated)
        !            62:                        break;
        !            63:                str = "\\v";
        !            64:                goto strpr;
        !            65:        default:
        !            66:                break;
        !            67:        }
        !            68:        if (isprint(*p)) {
        !            69:                *pr->cchar = 'c';
        !            70:                (void)printf(pr->fmt, *p);
        !            71:        } else {
        !            72:                (void)sprintf(str = buf, "%03o", (int)*p);
        !            73: strpr:         *pr->cchar = 's';
        !            74:                (void)printf(pr->fmt, str);
        !            75:        }
        !            76: }
        !            77: 
        !            78: conv_u(pr, p)
        !            79:        PR *pr;
        !            80:        u_char *p;
        !            81: {
        !            82:        extern int deprecated;
        !            83:        static char *list[] = {
        !            84:                "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
        !            85:                 "bs",  "ht",  "lf",  "vt",  "ff",  "cr",  "so",  "si",
        !            86:                "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
        !            87:                "can",  "em", "sub", "esc",  "fs",  "gs",  "rs",  "us",
        !            88:        };
        !            89: 
        !            90:                                                /* od used nl, not lf */
        !            91:        if (*p <= 0x1f) {
        !            92:                *pr->cchar = 's';
        !            93:                if (deprecated && *p == 0x0a)
        !            94:                        (void)printf(pr->fmt, "nl");
        !            95:                else
        !            96:                        (void)printf(pr->fmt, list[*p]);
        !            97:        } else if (*p == 0x7f) {
        !            98:                *pr->cchar = 's';
        !            99:                (void)printf(pr->fmt, "del");
        !           100:        } else if (deprecated && *p == 0x20) {  /* od replace space with sp */
        !           101:                *pr->cchar = 's';
        !           102:                (void)printf(pr->fmt, " sp");
        !           103:        } else if (isprint(*p)) {
        !           104:                *pr->cchar = 'c';
        !           105:                (void)printf(pr->fmt, *p);
        !           106:        } else {
        !           107:                *pr->cchar = 'x';
        !           108:                (void)printf(pr->fmt, (int)*p);
        !           109:        }
        !           110: }

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