Mercurial > hg > forks > yadex
annotate src/sanity.cc @ 109:f05330267c66
Use stdint types.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 06 Oct 2014 12:59:23 +0300 |
| parents | a68786b9c74b |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * sanity.cc |
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3 * Sanity checks |
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4 * AYM 1998-06-14 |
| 0 | 5 */ |
| 6 | |
| 7 | |
| 8 /* | |
| 9 This file is part of Yadex. | |
| 10 | |
| 11 Yadex incorporates code from DEU 5.21 that was put in the public domain in | |
| 12 1994 by Raphaël Quinet and Brendon Wyber. | |
| 13 | |
| 14 The rest of Yadex is Copyright © 1997-2003 André Majorel and others. | |
| 15 | |
| 16 This program is free software; you can redistribute it and/or modify it under | |
| 17 the terms of the GNU General Public License as published by the Free Software | |
| 18 Foundation; either version 2 of the License, or (at your option) any later | |
| 19 version. | |
| 20 | |
| 21 This program is distributed in the hope that it will be useful, but WITHOUT | |
| 22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 23 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. | |
| 24 | |
| 25 You should have received a copy of the GNU General Public License along with | |
| 26 this program; if not, write to the Free Software Foundation, Inc., 59 Temple | |
| 27 Place, Suite 330, Boston, MA 02111-1307, USA. | |
| 28 */ | |
| 29 | |
| 30 | |
| 31 #include "yadex.h" | |
| 32 #include "sanity.h" | |
| 33 #include "wstructs.h" | |
| 34 | |
| 35 | |
| 36 /* | |
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37 * check_types |
| 0 | 38 * |
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39 * Sanity checks about the sizes and properties of certain types. |
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40 * Useful when porting. |
| 0 | 41 */ |
| 42 | |
| 109 | 43 #define assert_size(type,size) \ |
| 44 do \ | |
| 45 { \ | |
| 46 if (sizeof (type) != size) \ | |
| 47 fatal_error ("sizeof " #type " is %d (should be " #size ")", \ | |
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48 (int) sizeof (type)); \ |
| 109 | 49 } \ |
| 0 | 50 while (0) |
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51 |
| 109 | 52 #define assert_wrap(type,high,low) \ |
| 53 do \ | |
| 54 { \ | |
| 55 type n = high; \ | |
| 56 if (++n != low) \ | |
| 0 | 57 fatal_error ("Type " #type " wraps around to %lu (should be " #low ")",\ |
| 109 | 58 (unsigned long) n); \ |
| 59 } \ | |
| 0 | 60 while (0) |
| 61 | |
| 109 | 62 |
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63 void check_types() |
| 0 | 64 { |
| 109 | 65 assert_size(uint8_t, 1); |
| 66 assert_size(int8_t, 1); | |
| 67 assert_size(uint16_t, 2); | |
| 68 assert_size(int16_t, 2); | |
| 69 assert_size(uint32_t, 4); | |
| 70 assert_size(int32_t, 4); | |
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71 assert_size(struct LineDef, 14); |
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72 assert_size(struct Sector, 26); |
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73 assert_size(struct SideDef, 30); |
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74 assert_size(struct Thing, 10); |
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75 assert_size(struct Vertex, 4); |
| 109 | 76 assert_wrap(uint8_t, 255, 0); |
| 77 assert_wrap(int8_t, 127, -128); | |
| 78 assert_wrap(uint16_t, 65535, 0); | |
| 79 assert_wrap(int16_t, 32767, -32768); | |
| 80 assert_wrap(uint32_t, 4294967295u, 0); | |
| 81 assert_wrap(int32_t, 2147483647, -2147483648); | |
| 0 | 82 } |
| 83 | |
| 84 | |
| 85 /* | |
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86 * check_charset |
| 0 | 87 * |
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88 * If this test fails on your platform, send me a postcard |
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89 * from your galaxy. |
| 0 | 90 */ |
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91 void check_charset() |
| 0 | 92 { |
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93 /* Always false, unless your platform uses a |
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94 character set even worse than EBCDIC (yet |
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95 unseen). */ |
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96 if ('0' + 1 != '1' |
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97 || '1' + 1 != '2' |
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98 || '2' + 1 != '3' |
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a68786b9c74b
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99 || '3' + 1 != '4' |
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100 || '4' + 1 != '5' |
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101 || '5' + 1 != '6' |
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102 || '6' + 1 != '7' |
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a68786b9c74b
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103 || '7' + 1 != '8' |
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a68786b9c74b
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104 || '8' + 1 != '9' |
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105 || 'a' + 1 != 'b' |
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Oops, used indent with tabs enabled. Remove tabs.
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106 || 'b' + 1 != 'c' |
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107 || 'c' + 1 != 'd' |
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108 || 'd' + 1 != 'e' |
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109 || 'e' + 1 != 'f' |
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110 || 'A' + 1 != 'B' |
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111 || 'B' + 1 != 'C' |
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112 || 'C' + 1 != 'D' || 'D' + 1 != 'E' || 'E' + 1 != 'F') |
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113 fatal_error("This platform uses a terminally broken character set"); |
| 0 | 114 } |