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annotate src/clock.c @ 30:8f6a1ffb1ebe

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core: fix some warning in COLOR_HEX
author David Demelier <markand@malikania.fr>
date Mon, 13 Jan 2020 12:36:56 +0100
parents 3054723e53d7
children b815621df3e3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3054723e53d7 core: implement clock, closes #2443
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1 /*
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2 * clock.c -- track elapsed time
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3 *
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <SDL.h>
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20
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21 #include "clock.h"
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22
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23 void
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24 clock_start(struct clock *clock)
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25 {
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26 clock->ticks = SDL_GetTicks();
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27 }
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28
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29 uint64_t
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30 clock_elapsed(const struct clock *clock)
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31 {
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32 return SDL_GetTicks() - clock->ticks;
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33 }