dot_testing/builds/utils/c/status/battstatus.c

49 lines
908 B
C

#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include "battstatus.h"
#include "common.h"
int mod_battstatus(char *config, char *name, char *pipename) {
char status;
int battery;
struct message msg;
strcpy(msg.name, name);
int fd = open(pipename, O_WRONLY);
chdir("/sys/class/power_supply");
chdir(config);
for(;;) {
battery = open("status", O_RDONLY);
read(battery, msg.content, 1);
switch(msg.content[0]) {
case 'N': /* not charging */
msg.content[0] = '-';
break;
case 'C': /* charging */
msg.content[0] = '^';
break;
case 'D': /* discharging */
msg.content[0] = 'U';
break;
case 'U': /* unknown */
msg.content[0] = '?';
break;
default: /* what's going on? */
msg.content[0] = '!';
break;
}
msg.content[1] = '\0';
close(battery);
write(fd, &msg, sizeof(msg));
sleep(30);
}
return 0;
}