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prefs.c
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C/C++ Source or Header
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1996-04-07
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1KB
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45 lines
/* File: prefs.c
* Created: 20-10-95
* Updated: 30-12-95
* Version: 1.0
* Project: Clicker
* Owner: Jeroen Vermeulen
* Requirements: KickStart V39+
* Legal: PD
* Status: Release
*/
#include <exec/types.h>
#include "prefs.h"
/* This global volatile variable enables asynchronous communication between
* processes. New settings for sample volume, click length and pitch will be
* stored into this struct, so the key-click routine will feed the new data into
* its audio request on the next key click.
*/
volatile struct SoundSettings ClickPrefs = { FALSE, TRUE, 400, 50, 5 };
/* CopySoundPrefs():
* Copies a SoundSettings structure, like CopyMem() but slightly safer in every-
* day use. It is volatile-safe and const-friendly, and also sets the
* destination's newsettings flag. NULL arguments are *not* safe.
*/
void CopySoundPrefs(volatile const struct SoundSettings *const src,
volatile struct SoundSettings *const dst)
{
dst->period = src->period;
dst->volume = src->volume;
dst->cycles = src->cycles;
#ifdef NOCLICKMOUSE
dst->ClickMouse = FALSE;
#else /* NOCLICKMOUSE */
dst->ClickMouse = src->ClickMouse;
#endif /* NOCLICKMOUSE */
dst->newsettings = TRUE;
}