1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/mtransport/third_party/nrappkit/src/util/hex.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,110 @@
1.4 +/**
1.5 + hex.c
1.6 +
1.7 +
1.8 + Copyright (C) 2001-2003, Network Resonance, Inc.
1.9 + Copyright (C) 2006, Network Resonance, Inc.
1.10 + All Rights Reserved
1.11 +
1.12 + Redistribution and use in source and binary forms, with or without
1.13 + modification, are permitted provided that the following conditions
1.14 + are met:
1.15 +
1.16 + 1. Redistributions of source code must retain the above copyright
1.17 + notice, this list of conditions and the following disclaimer.
1.18 + 2. Redistributions in binary form must reproduce the above copyright
1.19 + notice, this list of conditions and the following disclaimer in the
1.20 + documentation and/or other materials provided with the distribution.
1.21 + 3. Neither the name of Network Resonance, Inc. nor the name of any
1.22 + contributors to this software may be used to endorse or promote
1.23 + products derived from this software without specific prior written
1.24 + permission.
1.25 +
1.26 + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
1.27 + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.28 + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.29 + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.30 + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.31 + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.32 + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.33 + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.34 + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.35 + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.36 + POSSIBILITY OF SUCH DAMAGE.
1.37 +
1.38 +
1.39 + briank@network-resonance.com
1.40 + */
1.41 +
1.42 +
1.43 +static char *RCSSTRING __UNUSED__ ="$Id: hex.c,v 1.3 2007/06/26 22:37:56 adamcain Exp $";
1.44 +
1.45 +#include <sys/types.h>
1.46 +#include <string.h>
1.47 +#include <ctype.h>
1.48 +#include "r_common.h"
1.49 +#include "hex.h"
1.50 +#include "r_log.h"
1.51 +
1.52 +static char bin2hex_map[][3] = { "00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "0a", "0b", "0c", "0d", "0e", "0f", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "1a", "1b", "1c", "1d", "1e", "1f", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "2a", "2b", "2c", "2d", "2e", "2f", "30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "3a", "3b", "3c", "3d", "3e", "3f", "40", "41", "42", "43", "44", "45", "46", "47", "48", "49", "4a", "4b", "4c", "4d", "4e", "4f", "50", "51", "52", "53", "54", "55", "56", "57", "58", "59", "5a", "5b", "5c", "5d", "5e", "5f", "60", "61", "62", "63", "64", "65", "66", "67", "68", "69", "6a", "6b", "6c", "6d", "6e", "6f", "70", "71", "72", "73", "74", "75", "76", "77", "78", "79", "7a", "7b", "7c", "7d", "7e", "7f", "80", "81", "82", "83", "84", "85", "86", "87", "88", "89", "8a", "8b", "8c", "8d", "8e", "8f", "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "9a", "9b", "9c", "9d", "9e", "9f", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "a8", "a9", "aa", "ab", "ac", "ad", "ae", "af", "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", "b8", "b9", "ba", "bb", "bc", "bd", "be", "bf", "c0", "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8", "c9", "ca", "cb", "cc", "cd", "ce", "cf", "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "d8", "d9", "da", "db", "dc", "dd", "de", "df", "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7", "e8", "e9", "ea", "eb", "ec", "ed", "ee", "ef", "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", "f8", "f9", "fa", "fb", "fc", "fd", "fe", "ff" };
1.53 +
1.54 +static int hex2bin_map[] = { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 0 /* '0' */, 1 /* '1' */, 2 /* '2' */, 3 /* '3' */, 4 /* '4' */, 5 /* '5' */, 6 /* '6' */, 7 /* '7' */, 8 /* '8' */, 9 /* '9' */, -1, -1, -1, -1, -1, -1, -1, 10 /* 'A' */, 11 /* 'B' */, 12 /* 'C' */, 13 /* 'D' */, 14 /* 'E' */, 15 /* 'F' */, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 10 /* 'a' */, 11 /* 'b' */, 12 /* 'c' */, 13 /* 'd' */, 14 /* 'e' */, 15 /* 'f' */, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 };
1.55 +
1.56 +int
1.57 +nr_nbin2hex(UCHAR *bin, int binlen, char hex[], size_t size, int *len)
1.58 +{
1.59 + int _status;
1.60 + int i;
1.61 +
1.62 + if (size < (2*binlen))
1.63 + ABORT(R_BAD_ARGS);
1.64 +
1.65 + for (i = 0; i < binlen; ++i) {
1.66 + *hex++ = bin2hex_map[bin[i]][0];
1.67 + *hex++ = bin2hex_map[bin[i]][1];
1.68 + }
1.69 +
1.70 + if (size >= (2*binlen)+1)
1.71 + *hex = '\0';
1.72 +
1.73 + *len = (2*binlen);
1.74 +
1.75 + _status=0;
1.76 + abort:
1.77 + return(_status);
1.78 +}
1.79 +
1.80 +
1.81 +int
1.82 +nr_nhex2bin(char *hex, int hexlen, UCHAR bin[], size_t size, int *len)
1.83 +{
1.84 + int _status;
1.85 + int binlen;
1.86 + int h1;
1.87 + int h2;
1.88 + int i;
1.89 +
1.90 + if (hexlen % 2)
1.91 + ABORT(R_BAD_ARGS);
1.92 +
1.93 + binlen = hexlen/2;
1.94 +
1.95 + if (size < binlen)
1.96 + ABORT(R_BAD_ARGS);
1.97 +
1.98 + for (i = 0; i < binlen; ++i) {
1.99 + h1 = hex2bin_map[(int)*hex++];
1.100 + h2 = hex2bin_map[(int)*hex++];
1.101 +
1.102 + if (h1 == -1 || h2 == -1)
1.103 + ABORT(R_BAD_ARGS);
1.104 +
1.105 + bin[i] = (h1 << 4) | h2;
1.106 + }
1.107 +
1.108 + *len = binlen;
1.109 +
1.110 + _status=0;
1.111 + abort:
1.112 + return(_status);
1.113 +}
