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annotate src/timer.c @ 9:07f0e2f43204

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*: add the restrict keyword when necessary also fixed some typos in the README
author Paper
date Fri, 16 Dec 2022 21:55:37 -0500
parents be4835547dd0
children 42ac054c0231
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1 #include <assert.h>
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2 #ifndef WIN32_LEAN_AND_MEAN
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3 # define WIN32_LEAN_AND_MEAN
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4 #endif
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5 #include <windows.h>
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6 #include "timer.h"
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8 void timer_init(struct timer* restrict timer, HWND winampClientWindow, TIMERPROC timer_proc) {
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9 timer->winampClientWindow = winampClientWindow;
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10 timer->timer_proc = timer_proc;
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11 timer->initialized = 1;
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12 }
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14 void timer_set(struct timer* restrict timer, HWND winampClientWindow) {
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15 assert(timer->initialized);
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17 if (timer->is_timer_alive)
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18 return;
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20 timer->is_timer_alive = 1;
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21 SetTimer(winampClientWindow, 1, timer->interval, timer->timer_proc);
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22 }
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24 void timer_stop(struct timer* restrict timer, HWND winampClientWindow) {
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25 assert(timer->initialized);
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27 if (!timer->is_timer_alive)
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28 return;
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30 timer->is_timer_alive = 0;
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31 KillTimer(winampClientWindow, 1);
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32 }