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/*
* LP (Laptop Package)
*
* Copyright (C) 1994 by HOSOKAWA Tatasumi <hosokawa@mt.cs.keio.ac.jp>
*
* This software may be used, modified, copied, distributed, and sold,
* in both source and binary form provided that the above copyright and
* these terms are retained. Under no circumstances is the author
* responsible for the proper functioning of this software, nor does
* the author assume any responsibility for damages incurred with its
* use.
*
* Sep., 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
*/
#include <stdio.h>
#include <string.h>
#include <sys/file.h>
#include <sys/ioctl.h>
#include <machine/apm_bios.h>
#define APMDEV "/dev/apm0"
int main_argc;
char **main_argv;
void apm_suspend(int fd)
{
if (ioctl(fd, APMIO_SUSPEND, NULL) == -1) {
fprintf(stderr, "%s: ioctl APMIO_SUSPEND failed.\n", main_argv[0]);
exit(1);
}
}
void apm_getinfo(int fd, apm_info_t aip)
{
if (ioctl(fd, APMIO_GETINFO, aip) == -1) {
fprintf(stderr, "%s: ioctl APMIO_GETINFO failed.\n", main_argv[0]);
exit(1);
}
}
void print_all_info(apm_info_t aip)
{
printf("APM version: %d.%d\n", aip->ai_major, aip->ai_minor);
printf("AC Line status: ");
if (aip->ai_acline == 255) {
printf("unknown");
}
else if (aip->ai_acline > 1) {
printf("invalid value (0x%x)", aip->ai_acline);
}
else {
static char messages[][10] = {"off-line", "on-line"};
printf("%s", messages[aip->ai_acline]);
}
printf("\n");
printf("Battery status: ");
if (aip->ai_batt_stat == 255) {
printf("unknown");
}
else if (aip->ai_batt_stat > 3) {
printf("invalid value (0x%x)", aip->ai_batt_stat);
}
else {
static char messages[][10] = {"high", "low", "critical", "charging"};
printf("%s", messages[aip->ai_batt_stat]);
}
printf("\n");
printf("Remaining battery life: ");
if (aip->ai_batt_life == 255) {
printf("unknown");
}
else if (aip->ai_batt_life <= 100) {
printf("%d%%", aip->ai_batt_life);
}
else {
printf("invalid value (0x%x)", aip->ai_batt_life);
}
printf("\n");
}
int main(int argc, char *argv[])
{
int i, j, fd;
int sleep = 0, all_info = 1, batt_status = 0, batt_life = 0, ac_status = 0;
char *cmdname;
main_argc = argc;
main_argv = argv;
if ((cmdname = strrchr(argv[0], '/')) != NULL) {
cmdname++;
}
else {
cmdname = argv[0];
}
if (strcmp(cmdname, "zzz") == 0) {
sleep = 1;
all_info = 0;
goto finish_option;
}
for (i = argc - 1; i >= 1; i--) {
if (argv[i][0] != '-') {
fprintf(stderr, "%s: Unknown option '%s'.\n", argv[0], argv[i]);
exit(1);
}
for (j = 1; argv[i][j]; j++) {
switch (argv[i][j]) {
case 'z':
sleep = 1;
all_info = 0;
break;
case 'b':
batt_status = 1;
all_info = 0;
break;
case 'a':
ac_status = 1;
all_info = 0;
break;
case 'l':
batt_life = 1;
all_info = 0;
break;
default:
fprintf(stderr, "%s Unknown option '%s'.\n", argv[0], argv[i]);
exit(1);
}
}
}
finish_option:
fd = open(APMDEV, O_RDWR);
if (fd == -1) {
fprintf(stderr, "%s: Can't open %s.\n", argv[0], APMDEV);
return 1;
}
if (sleep) {
apm_suspend(fd);
}
else {
struct apm_info info;
apm_getinfo(fd, &info);
if (all_info) {
print_all_info(&info);
}
if (batt_status) {
printf("%d\n", info.ai_batt_stat);
}
if (batt_life) {
printf("%d\n", info.ai_batt_life);
}
if (ac_status) {
printf("%d\n", info.ai_acline);
}
}
close(fd);
return 0;
}
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