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testpower.c
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/* 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 ... */