/* See LICENSE file for copyright and license details. */
#include <alsa/asoundlib.h>
-#include <arpa/inet.h>
#include <fcntl.h>
#include <ifaddrs.h>
#include <limits.h>
#include <linux/wireless.h>
-#include <locale.h>
#include <netdb.h>
#include <pwd.h>
#include <stdarg.h>
#undef strlcat
#undef strlcpy
+#include "arg.h"
#include "strlcat.h"
#include "strlcpy.h"
+#include "concat.h"
+
+char *argv0;
+char concat[];
+
+FILE *foutput;
-typedef char *(*op_fun)();
struct arg {
- op_fun func;
+ char *(*func)();
const char *format;
const char *args;
};
-static void setstatus(const char *);
static char *smprintf(const char *, ...);
static char *battery_perc(const char *);
static char *cpu_perc(void);
#include "config.h"
-static void
-setstatus(const char *str)
-{
- /* set WM_NAME via X11 */
- XStoreName(dpy, DefaultRootWindow(dpy), str);
- XSync(dpy, False);
-}
-
static char *
smprintf(const char *fmt, ...)
{
fp = fopen(batterynowfile, "r");
if (fp == NULL ) {
- fprintf(stderr, "Error opening battery file: %s: %s\n",
+ fprintf(foutput, "Error opening battery file: %s: %s\n",
batterynowfile,
strerror(errno));
return smprintf(UNKNOWN_STR);
fp = fopen(batteryfullfile, "r");
if (fp == NULL) {
- fprintf(stderr, "Error opening battery file: %s\n",
+ fprintf(foutput, "Error opening battery file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen("/proc/stat","r");
if (fp == NULL) {
- fprintf(stderr, "Error opening stat file: %s\n",
+ fprintf(foutput, "Error opening stat file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp);
- /* wait a second (for avg values) */
sleep(1);
fp = fopen("/proc/stat","r");
if (fp == NULL) {
- fprintf(stderr, "Error opening stat file: %s\n",
+ fprintf(foutput, "Error opening stat file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) {
- fprintf(stderr, "Could not get filesystem info: %s\n",
+ fprintf(foutput, "Could not get filesystem info: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) {
- fprintf(stderr, "Could not get filesystem info: %s\n",
+ fprintf(foutput, "Could not get filesystem info: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) {
- fprintf(stderr, "Could not get filesystem info: %s\n",
+ fprintf(foutput, "Could not get filesystem info: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
struct statvfs fs;
if (statvfs(mountpoint, &fs) < 0) {
- fprintf(stderr, "Could not get filesystem info: %s\n",
+ fprintf(foutput, "Could not get filesystem info: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
- fprintf(stderr, "Could not open entropy file: %s\n",
+ fprintf(foutput, "Could not open entropy file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
static char *
gid(void)
{
- gid_t gid = getgid();
- return smprintf("%d", gid);
+ return smprintf("%d", getgid());
}
static char *
FILE *fp = fopen("/proc/sys/kernel/hostname", "r");
if (fp == NULL) {
- fprintf(stderr, "Could not open hostname file: %s\n",
+ fprintf(foutput, "Could not open hostname file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
char host[NI_MAXHOST];
if (getifaddrs(&ifaddr) == -1) {
- fprintf(stderr, "Error getting IP address: %s\n",
+ fprintf(foutput, "Error getting IP address: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
- fprintf(stderr, "Error getting IP address.\n");
+ fprintf(foutput, "Error getting IP address.\n");
return smprintf(UNKNOWN_STR);
}
return smprintf("%s", host);
double avgs[3];
if (getloadavg(avgs, 3) < 0) {
- fprintf(stderr, "Error getting load avg.\n");
+ fprintf(foutput, "Error getting load avg.\n");
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(stderr, "Error opening meminfo file: %s\n",
+ fprintf(foutput, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(stderr, "Error opening meminfo file: %s\n",
+ fprintf(foutput, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(stderr, "Error opening meminfo file: %s\n",
+ fprintf(foutput, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
- fprintf(stderr, "Error opening meminfo file: %s\n",
+ fprintf(foutput, "Error opening meminfo file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
char buffer[64];
if (fp == NULL) {
- fprintf(stderr, "Could not get command output for: %s: %s\n",
+ fprintf(foutput, "Could not get command output for: %s: %s\n",
command, strerror(errno));
return smprintf(UNKNOWN_STR);
}
FILE *fp = fopen(file, "r");
if (fp == NULL) {
- fprintf(stderr, "Could not open temperature file: %s\n",
+ fprintf(foutput, "Could not open temperature file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
static char *
username(void)
{
- register struct passwd *pw;
- register uid_t uid;
-
- uid = geteuid();
- pw = getpwuid(uid);
+ uid_t uid = geteuid();
+ struct passwd *pw = getpwuid(uid);
- if (pw)
+ if (pw == NULL)
return smprintf("%s", pw->pw_name);
- else {
- fprintf(stderr, "Could not get username: %s\n",
- strerror(errno));
- return smprintf(UNKNOWN_STR);
- }
+ fprintf(foutput, "Could not get username: %s\n",
+ strerror(errno));
return smprintf(UNKNOWN_STR);
}
static char *
uid(void)
{
- /* FIXME: WHY USE register modifier? */
- register uid_t uid;
-
- uid = geteuid();
-
- if (uid)
- return smprintf("%d", uid);
- else {
- fprintf(stderr, "Could not get uid.\n");
- return smprintf(UNKNOWN_STR);
- }
-
- return smprintf(UNKNOWN_STR);
+ return smprintf("%d", geteuid());
}
static char *
vol_perc(const char *soundcard)
{
+ /*
+ * TODO: FIXME:
+ * https://github.com/drkh5h/slstatus/issues/12
+ */
int mute = 0;
long vol = 0, max = 0, min = 0;
snd_mixer_t *handle;
snd_mixer_selem_id_malloc(&vol_info);
snd_mixer_selem_id_malloc(&mute_info);
if (vol_info == NULL || mute_info == NULL) {
- fprintf(stderr, "Could not get alsa volume.\n");
+ fprintf(foutput, "Could not get alsa volume.\n");
return smprintf(UNKNOWN_STR);
}
snd_mixer_selem_id_set_name(vol_info, ALSA_CHANNEL);
fp = fopen(path, "r");
if(fp == NULL) {
- fprintf(stderr, "Error opening wifi operstate file: %s\n",
+ fprintf(foutput, "Error opening wifi operstate file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
- fprintf(stderr, "Error opening wireless file: %s\n",
+ fprintf(foutput, "Error opening wireless file: %s\n",
strerror(errno));
return smprintf(UNKNOWN_STR);
}
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
sprintf(wreq.ifr_name, wificard);
if(sockfd == -1) {
- fprintf(stderr, "Cannot open socket for interface: %s: %s\n",
+ fprintf(foutput, "Cannot open socket for interface: %s: %s\n",
wificard, strerror(errno));
return smprintf(UNKNOWN_STR);
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
- fprintf(stderr, "Get ESSID ioctl failed for interface %s: %s\n",
+ fprintf(foutput, "Get ESSID ioctl failed for interface %s: %s\n",
wificard, strerror(errno));
return smprintf(UNKNOWN_STR);
}
return smprintf("%s", (char *)wreq.u.essid.pointer);
}
+void
+usage(void)
+{
+ fprintf(stderr, "usage: %s [-d] [-l path]\n", argv0);
+ exit(0);
+}
+
int
-main(void)
+main(int argc, char *argv[])
{
+ unsigned short int dflag, lflag;
size_t i;
- char status_string[4096];
+ char status_string[4096], logpath[4096];
char *res, *element;
struct arg argument;
+ foutput = stderr;
dpy = XOpenDisplay(0x0);
- if (!dpy) {
- fprintf(stderr, "Cannot open display!\n");
- exit(1);
+
+ ARGBEGIN {
+ case 'd':
+ dflag = 1;
+ break;
+ case 'l':
+ strlcpy(logpath, EARGF(usage()), sizeof(logpath)-1);
+ logpath[strlen(logpath)+1] = '\0';
+ foutput = fopen(logpath, "a");
+ if (foutput == NULL) {
+ fprintf(stderr, "failed to open log file at %s: %s\n",
+ logpath, strerror(errno));
+ return (1);
+ }
+ lflag = 1;
+ break;
+ default:
+ usage();
+ } ARGEND
+
+ if (dflag && !lflag) {
+ ccat(2, getenv("HOME"), "/.slstatus_log");
+ foutput = fopen(concat, "a");
+ if (foutput == NULL) {
+ fprintf(stderr, "failed to open log file at %s: %s\n",
+ logpath, strerror(errno));
+ return (1);
+ }
}
+ if (dflag)
+ daemon(0, 0);
+
for (;;) {
memset(status_string, 0, sizeof(status_string));
for (i = 0; i < sizeof(args) / sizeof(args[0]); ++i) {
free(element);
}
- setstatus(status_string);
- sleep(UPDATE_INTERVAL -1);
+ XStoreName(dpy, DefaultRootWindow(dpy), status_string);
+ XSync(dpy, False);
}
+ /* NOT REACHED */
+ /*
+ * TODO: find out a way to exit successfully
+ * to prevent memory leaks
+ */
XCloseDisplay(dpy);
return 0;
}