mdw@git.distorted.org.uk Git - secnet/blob - msgcode-test.c

   1 /*
   2  * msgcode-test.c: check that the new message encoding is correct
   3  */
   4 /*
   5  * This file is Free Software.  It was originally written for secnet.
   6  *
   7  * Copyright 2017 Mark Wooding
   8  *
   9  * You may redistribute secnet as a whole and/or modify it under the
  10  * terms of the GNU General Public License as published by the Free
  11  * Software Foundation; either version 3, or (at your option) any
  12  * later version.
  13  *
  14  * You may redistribute this file and/or modify it under the terms of
  15  * the GNU General Public License as published by the Free Software
  16  * Foundation; either version 2, or (at your option) any later
  17  * version.
  18  *
  19  * This software is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this software; if not, see
  26  * https://www.gnu.org/licenses/gpl.html.
  27  */
  28
  29 #include <inttypes.h>
  30 #include <stdint.h>
  31 #include <stdio.h>
  32 #include <stdlib.h>
  33
  34 #include "magic.h"
  35
  36 #define OLD_LABEL_NAK     0x00000000
  37 #define OLD_LABEL_MSG0    0x00020200
  38 #define OLD_LABEL_MSG1    0x01010101
  39 #define OLD_LABEL_MSG2    0x02020202
  40 #define OLD_LABEL_MSG3    0x03030303
  41 #define OLD_LABEL_MSG3BIS 0x13030313
  42 #define OLD_LABEL_MSG4    0x04040404
  43 #define OLD_LABEL_MSG5    0x05050505
  44 #define OLD_LABEL_MSG6    0x06060606
  45 #define OLD_LABEL_MSG7    0x07070707
  46 #define OLD_LABEL_MSG8    0x08080808
  47 #define OLD_LABEL_MSG9    0x09090909
  48 #define OLD_LABEL_PROD    0x0a0a0a0a
  49
  50 static void check_labels(const char *what, uint32_t new, uint32_t old)
  51 {
  52     if (old != new) {
  53         printf("mismatch for %s: %08"PRIx32" (new) /= %08"PRIx32" (old)\n",
  54                what, new, old);
  55         exit(2);
  56     }
  57 }
  58
  59 int main(void)
  60 {
  61     unsigned i, j;
  62     uint32_t m, r, s;
  63
  64 #define CHECK(label) check_labels(#label, LABEL_##label, OLD_LABEL_##label)
  65     CHECK(NAK);
  66     CHECK(MSG0);
  67     CHECK(MSG1);
  68     CHECK(MSG2);
  69     CHECK(MSG3);
  70     CHECK(MSG3BIS);
  71     CHECK(MSG4);
  72     CHECK(MSG5);
  73     CHECK(MSG6);
  74     CHECK(MSG7);
  75     CHECK(MSG8);
  76     CHECK(MSG9);
  77     CHECK(PROD);
  78 #undef CHECK
  79     for (i = 0; i < 65536; i++) {
  80         for (j = 0; j < 65536; j++) {
  81             m = MSGCODE(i, j);
  82             r = MSGMAJOR(m); s = MSGMINOR(m);
  83             if (r != i || s != j) {
  84                 printf("roundtrip fail: %04x %04x -> %08"PRIx32" "
  85                        "-> %08"PRIx32" %08"PRIx32"\n",
  86                        i, j, m, r, s);
  87                 exit(2);
  88             }
  89         }
  90     }
  91
  92     return (0);
  93 }