view test/testpower.c @ 5004:0c72ae7b7cb2

Added native atomic operations for Windows, Mac OS X, and gcc compiler intrinsics. Changed the CAS return value to bool, so it's efficient with OSAtomicCompareAndSwap32Barrier() Added an atomic test adapted from code by Michael Davidsaver
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 Jan 2011 15:16:39 -0800
parents 51750b7a966f
children
line wrap: on
line source

/* Simple test of power subsystem. */

#include <stdio.h>
#include "SDL.h"

static void
report_power(void)
{
    int seconds, percent;
    const SDL_PowerState state = SDL_GetPowerInfo(&seconds, &percent);
    char *statestr = NULL;

    printf("SDL-reported power info...\n");
    switch (state) {
    case SDL_POWERSTATE_UNKNOWN:
        statestr = "Unknown";
        break;
    case SDL_POWERSTATE_ON_BATTERY:
        statestr = "On battery";
        break;
    case SDL_POWERSTATE_NO_BATTERY:
        statestr = "No battery";
        break;
    case SDL_POWERSTATE_CHARGING:
        statestr = "Charging";
        break;
    case SDL_POWERSTATE_CHARGED:
        statestr = "Charged";
        break;
    default:
        statestr = "!!API ERROR!!";
        break;
    }

    printf("State: %s\n", statestr);

    if (percent == -1) {
        printf("Percent left: unknown\n");
    } else {
        printf("Percent left: %d%%\n", percent);
    }

    if (seconds == -1) {
        printf("Time left: unknown\n");
    } else {
        printf("Time left: %d minutes, %d seconds\n", (int) (seconds / 60),
               (int) (seconds % 60));
    }
}


int
main(int argc, char *argv[])
{
    if (SDL_Init(SDL_INIT_VIDEO) == -1) {
        fprintf(stderr, "SDL_Init() failed: %s\n", SDL_GetError());
        return 1;
    }

    report_power();

    SDL_Quit();
    return 0;
}

/* end of testpower.c ... */