static unsigned long int parseBatInfo(const char *fileName, const unsigned short int lineNum, const unsigned short int wordNum) {
const char batteryPath[] = PROCDIR "/acpi/battery/";
DIR* batteryDir = opendir(batteryPath);
if (!batteryDir)
return 0;
#define MAX_BATTERIES 64
char* batteries[MAX_BATTERIES];
unsigned int nBatteries = 0;
memset(batteries, 0, MAX_BATTERIES * sizeof(char*));
struct dirent result;
struct dirent* dirEntry;
while (nBatteries < MAX_BATTERIES) {
int err = readdir_r(batteryDir, &result, &dirEntry);
if (err || !dirEntry)
break;
char* entryName = dirEntry->d_name;
if (strncmp(entryName, "BAT", 3))
continue;
batteries[nBatteries] = xStrdup(entryName);
nBatteries++;
}
closedir(batteryDir);
unsigned long int total = 0;
for (unsigned int i = 0; i < nBatteries; i++) {
char infoPath[30];
snprintf(infoPath, sizeof infoPath, "%s%s/%s", batteryPath, batteries[i], fileName);
FILE* file = fopen(infoPath, "r");
if (!file) {
break;
}
char line[50] = "";
for (unsigned short int i = 0; i < lineNum; i++) {
char* ok = fgets(line, sizeof line, file);
if (!ok) break;
}
fclose(file);
char *foundNumStr = String_getToken(line, wordNum);
const unsigned long int foundNum = atoi(foundNumStr);
free(foundNumStr);
total += foundNum;
}
for (unsigned int i = 0; i < nBatteries; i++) {
free(batteries[i]);
}
return total;
}
static ACPresence procAcpiCheck() {
ACPresence isOn = AC_ERROR;
const char *power_supplyPath = PROCDIR "/acpi/ac_adapter";
DIR *dir = opendir(power_supplyPath);
if (!dir) {
return AC_ERROR;
}
struct dirent result;
struct dirent* dirEntry;
for (;;) {
int err = readdir_r((DIR *) dir, &result, &dirEntry);
if (err || !dirEntry)
break;
char* entryName = (char *) dirEntry->d_name;
if (entryName[0] != 'A')
continue;
char statePath[50];
snprintf((char *) statePath, sizeof statePath, "%s/%s/state", power_supplyPath, entryName);
FILE* file = fopen(statePath, "r");
if (!file) {
isOn = AC_ERROR;
continue;
}
char line[100];
char* ok = fgets(line, sizeof line, file);
if (!ok) continue;
line[sizeof(line) - 1] = '\0';
fclose(file);
const char *isOnline = String_getToken(line, 2);
if (strcmp(isOnline, "on-line") == 0) {
isOn = AC_PRESENT;
} else {
isOn = AC_ABSENT;
}
free((char *) isOnline);
if (isOn == AC_PRESENT) {
break;
}
}
if (dir)
closedir(dir);
return isOn;
}
static unsigned long int parseBatInfo(const char *fileName, const unsigned short int lineNum, const unsigned short int wordNum) {
const DIR *batteryDir;
const struct dirent *dirEntries;
const char batteryPath[] = PROCDIR "/acpi/battery/";
batteryDir = opendir(batteryPath);
if (batteryDir == NULL) {
return 0;
}
char *entryName;
typedef struct listLbl {
char *content;
struct listLbl *next;
} list;
list *myList = NULL;
list *newEntry;
/*
Some of this is based off of code found in kismet (they claim it came from gkrellm).
Written for multi battery use...
*/
for (dirEntries = readdir((DIR *) batteryDir); dirEntries; dirEntries = readdir((DIR *) batteryDir)) {
entryName = (char *) dirEntries->d_name;
if (strncmp(entryName, "BAT", 3))
continue;
newEntry = calloc(1, sizeof(list));
newEntry->next = myList;
newEntry->content = entryName;
myList = newEntry;
}
unsigned long int total = 0;
for (newEntry = myList; newEntry; newEntry = newEntry->next) {
const char infoPath[30];
const FILE *file;
char line[50];
snprintf((char *) infoPath, sizeof infoPath, "%s%s/%s", batteryPath, newEntry->content, fileName);
if ((file = fopen(infoPath, "r")) == NULL) {
return 0;
}
for (unsigned short int i = 0; i < lineNum; i++) {
fgets(line, sizeof line, (FILE *) file);
}
fclose((FILE *) file);
const char *foundNumTmp = String_getToken(line, wordNum);
const unsigned long int foundNum = atoi(foundNumTmp);
free((char *) foundNumTmp);
total += foundNum;
}
free(myList);
free(newEntry);
closedir((DIR *) batteryDir);
return total;
}