/* See LICENSE file for copyright and license details. */
-#include <alsa/asoundlib.h>
#include <err.h>
#include <fcntl.h>
#include <ifaddrs.h>
#include <sys/stat.h>
#include <sys/statvfs.h>
#include <sys/socket.h>
+#include <sys/soundcard.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <X11/Xlib.h>
#undef strlcat
- #undef strlcpy
#include "extern/arg.h"
#include "extern/strlcat.h"
- #include "extern/strlcpy.h"
#include "extern/concat.h"
struct arg {
static char *gid(void);
static char *hostname(void);
static char *ip(const char *iface);
+ static char *kernel_release(void);
static char *load_avg(void);
static char *ram_free(void);
static char *ram_perc(void);
static char *vol_perc(const char *card);
static char *wifi_perc(const char *iface);
static char *wifi_essid(const char *iface);
- static char *kernel_release(void);
- static void set_status(const char *str);
static void sighandler(const int signo);
- static void usage(void);
+ static void usage(int);
char *argv0;
char concat[];
- static unsigned short int delay;
+ static unsigned short int delay = 0;
static unsigned short int done;
static unsigned short int dflag, oflag;
static Display *dpy;
fp = fopen(concat, "r");
if (fp == NULL) {
warn("Failed to open file %s", concat);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%i", &perc);
fclose(fp);
fp = fopen(concat, "r");
if (fp == NULL) {
warn("Failed to open file %s", concat);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%12s", state);
fclose(fp);
fp = fopen("/proc/stat", "r");
if (fp == NULL) {
warn("Failed to open file /proc/stat");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp);
- delay = (UPDATE_INTERVAL - (UPDATE_INTERVAL - 1));
+ delay++;
sleep(delay);
fp = fopen("/proc/stat", "r");
if (fp == NULL) {
warn("Failed to open file /proc/stat");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp);
t = time(NULL);
if (strftime(str, sizeof(str), fmt, localtime(&t)) == 0) {
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%s", str);
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%d", &num);
fclose(fp);
if (gethostname(buf, sizeof(buf)) == -1) {
warn("hostname");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%s", buf);
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IP address for interface %s", iface);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
warnx("Failed to get IP address for interface %s", iface);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%s", host);
}
freeifaddrs(ifaddr);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ static char *
+ kernel_release(void)
+ {
+ struct utsname udata;
+
+ if (uname(&udata) < 0) {
+ return smprintf(UNKNOWN_STR);
+ }
+
+ return smprintf("%s", udata.release);
}
static char *
if (getloadavg(avgs, 3) < 0) {
warnx("Failed to get the load avg");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "MemFree: %ld kB\n", &free);
fclose(fp);
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "MemTotal: %ld kB\n", &total);
fclose(fp);
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "MemTotal: %ld kB\n", &total);
fscanf(fp, "MemFree: %ld kB\n", &free);
static char *
run_command(const char *cmd)
{
+ char *nlptr;
FILE *fp;
- char buf[1024] = "n/a";
+ char buf[1024] = UNKNOWN_STR;
fp = popen(cmd, "r");
if (fp == NULL) {
warn("Failed to get command output for %s", cmd);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
- fgets(buf, sizeof(buf)-1, fp);
+ fgets(buf, sizeof(buf), fp);
pclose(fp);
-
buf[strlen(buf)] = '\0';
- strtok(buf, "\n");
+
+ if ((nlptr = strstr(buf, "\n")) != NULL) {
+ nlptr[0] = '\0';
+ }
return smprintf("%s", buf);
}
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_free: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
}
- bytes_read = fread(buf, sizeof(char), sizeof(buf), fp);
+
buf[bytes_read] = '\0';
fclose(fp);
- if (bytes_read == 0 || bytes_read == sizeof(buf)) {
- warn("Failed to read /proc/meminfo\n");
- return smprintf(UNKNOWN_STR);
- }
- match = strstr(buf, "SwapTotal");
- sscanf(match, "SwapTotal: %ld kB\n", &total);
- if (total == 0) {
- return smprintf(UNKNOWN_STR);
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
- match = strstr(buf, "SwapFree");
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
sscanf(match, "SwapFree: %ld kB\n", &free);
return smprintf("%f", (float)free / 1024 / 1024);
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_perc: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
}
- bytes_read = fread(buf, sizeof(char), sizeof(buf), fp);
+
buf[bytes_read] = '\0';
fclose(fp);
- if (bytes_read == 0 || bytes_read == sizeof(buf)) {
- warn("Failed to read /proc/meminfo\n");
- return smprintf(UNKNOWN_STR);
- }
- match = strstr(buf, "SwapTotal");
- sscanf(match, "SwapTotal: %ld kB\n", &total);
- if (total == 0) {
- return smprintf(UNKNOWN_STR);
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
- match = strstr(buf, "SwapCached");
+ if ((match = strstr(buf, "SwapCached")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
sscanf(match, "SwapCached: %ld kB\n", &cached);
- match = strstr(buf, "SwapFree");
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
sscanf(match, "SwapFree: %ld kB\n", &free);
return smprintf("%d%%", 100 * (total - free - cached) / total);
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
- bytes_read = fread(buf, sizeof(char), sizeof(buf), fp);
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_total: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+
buf[bytes_read] = '\0';
fclose(fp);
- if (bytes_read == 0 || bytes_read == sizeof(buf)) {
- warn("Failed to read /proc/meminfo\n");
- return smprintf(UNKNOWN_STR);
- }
- match = strstr(buf, "SwapTotal");
- sscanf(match, "SwapTotal: %ld kB\n", &total);
- if (total == 0) {
- return smprintf(UNKNOWN_STR);
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
return smprintf("%f", (float)total / 1024 / 1024);
}
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
+ }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf), fp)) == 0) {
+ warn("swap_used: read error");
+ fclose(fp);
+ return smprintf("%s", UNKNOWN_STR);
}
- bytes_read = fread(buf, sizeof(char), sizeof(buf), fp);
+
buf[bytes_read] = '\0';
fclose(fp);
- if (bytes_read == 0 || bytes_read == sizeof(buf)) {
- warn("Failed to read /proc/meminfo\n");
- return smprintf(UNKNOWN_STR);
- }
- match = strstr(buf, "SwapTotal");
- sscanf(match, "SwapTotal: %ld kB\n", &total);
- if (total == 0) {
- return smprintf(UNKNOWN_STR);
+ if ((match = strstr(buf, "SwapTotal")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
- match = strstr(buf, "SwapCached");
+ if ((match = strstr(buf, "SwapCached")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
sscanf(match, "SwapCached: %ld kB\n", &cached);
- match = strstr(buf, "SwapFree");
+ if ((match = strstr(buf, "SwapFree")) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
+ }
sscanf(match, "SwapFree: %ld kB\n", &free);
return smprintf("%f", (float)(total - free - cached) / 1024 / 1024);
fp = fopen(file, "r");
if (fp == NULL) {
warn("Failed to open file %s", file);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fscanf(fp, "%d", &temp);
fclose(fp);
if (pw == NULL) {
warn("Failed to get username");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
return smprintf("%s", pw->pw_name);
static char *
vol_perc(const char *card)
{
- int mute;
- long int vol, max, min;
- snd_mixer_t *handle;
- snd_mixer_elem_t *elem;
- snd_mixer_selem_id_t *s_elem;
+ unsigned int i;
+ int v, afd, devmask;
+ char *vnames[] = SOUND_DEVICE_NAMES;
- snd_mixer_open(&handle, 0);
- snd_mixer_attach(handle, card);
- snd_mixer_selem_register(handle, NULL, NULL);
- snd_mixer_load(handle);
- snd_mixer_selem_id_malloc(&s_elem);
- snd_mixer_selem_id_set_name(s_elem, "Master");
- elem = snd_mixer_find_selem(handle, s_elem);
-
- if (elem == NULL) {
- snd_mixer_selem_id_free(s_elem);
- snd_mixer_close(handle);
- warn("Failed to get volume percentage for %s", card);
- return smprintf("%s", UNKNOWN_STR);
+ afd = open(card, O_RDONLY);
+ if (afd < 0) {
+ warn("Cannot open %s", card);
+ return smprintf(UNKNOWN_STR);
}
- snd_mixer_handle_events(handle);
- snd_mixer_selem_get_playback_volume_range(elem, &min, &max);
- snd_mixer_selem_get_playback_volume(elem, 0, &vol);
- snd_mixer_selem_get_playback_switch(elem, 0, &mute);
-
- snd_mixer_selem_id_free(s_elem);
- snd_mixer_close(handle);
+ ioctl(afd, MIXER_READ(SOUND_MIXER_DEVMASK), &devmask);
+ for (i = 0; i < (sizeof(vnames) / sizeof((vnames[0]))); i++) {
+ if (devmask & (1 << i)) {
+ if (!strcmp("vol", vnames[i])) {
+ ioctl(afd, MIXER_READ(i), &v);
+ }
+ }
+ }
- if (!mute)
+ close(afd);
+ if (v == 0) {
return smprintf("mute");
- else if (max == 0)
- return smprintf("0%%");
- else
- return smprintf("%lu%%", ((uint_fast16_t)(vol * 100) / max));
+ }
+ return smprintf("%d%%", v & 0xff);
}
static char *
fp = fopen(concat, "r");
if (fp == NULL) {
warn("Failed to open file %s", concat);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fgets(status, 5, fp);
fclose(fp);
if(strcmp(status, "up\n") != 0) {
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
warn("Failed to open file /proc/net/wireless");
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
ccat(2, iface, ":");
fgets(buf, sizeof(buf), fp);
fgets(buf, sizeof(buf), fp);
fclose(fp);
- datastart = strstr(buf, concat);
- if (datastart != NULL) {
- datastart = strstr(buf, ":");
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
+ if ((datastart = strstr(buf, concat)) == NULL) {
+ return smprintf("%s", UNKNOWN_STR);
}
+ datastart = (datastart+(strlen(iface)+1));
+ sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
return smprintf("%d%%", perc);
}
memset(&wreq, 0, sizeof(struct iwreq));
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
- sprintf(wreq.ifr_name, iface);
+ snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
+
if (sockfd == -1) {
warn("Failed to get ESSID for interface %s", iface);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
warn("Failed to get ESSID for interface %s", iface);
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
}
close(sockfd);
if (strcmp((char *)wreq.u.essid.pointer, "") == 0)
- return smprintf(UNKNOWN_STR);
+ return smprintf("%s", UNKNOWN_STR);
else
return smprintf("%s", (char *)wreq.u.essid.pointer);
}
- static char *
- kernel_release(void)
- {
- struct utsname udata;
- if (uname(&udata) < 0)
- return smprintf(UNKNOWN_STR);
-
- return smprintf("%s", udata.release);
- }
-
- static void
- set_status(const char *str)
- {
- XStoreName(dpy, DefaultRootWindow(dpy), str);
- XSync(dpy, False);
- }
-
static void
sighandler(const int signo)
{
}
static void
- usage(void)
+ usage(int eval)
{
- fprintf(stderr, "usage: %s [-dhov]\n", argv0);
- exit(1);
+ fprintf(stderr, "usage: %s [-d] [-o] [-v] [-h]\n", argv0);
+ exit(eval);
}
int
main(int argc, char *argv[])
{
unsigned short int i;
- char status_string[4096];
+ char status_string[2048];
char *res, *element;
struct arg argument;
struct sigaction act;
oflag = 1;
break;
case 'v':
- printf("slstatus %s (C) 2016 slstatus engineers\n", VERSION);
+ printf("slstatus (C) 2016 slstatus engineers\n");
return 0;
+ case 'h':
+ usage(0);
default:
- usage();
+ usage(1);
} ARGEND
if (dflag && oflag) {
- usage();
+ usage(1);
}
if (dflag && daemon(1, 1) < 0) {
err(1, "daemon");
}
element = smprintf(argument.fmt, res);
if (element == NULL) {
- element = smprintf(UNKNOWN_STR);
+ element = smprintf("%s", UNKNOWN_STR);
warnx("Failed to format output");
}
- strlcat(status_string, element, sizeof(status_string));
+ if (strlcat(status_string, element, sizeof(status_string)) >= sizeof(status_string)) {
+ warnx("Output too long");
+ }
free(res);
free(element);
}
if (!oflag) {
- set_status(status_string);
+ XStoreName(dpy, DefaultRootWindow(dpy), status_string);
+ XSync(dpy, False);
} else {
printf("%s\n", status_string);
}
- /*
- * subtract delay time spend in function
- * calls from the actual global delay time
- */
- sleep(UPDATE_INTERVAL - delay);
- delay = 0;
+ if ((UPDATE_INTERVAL - delay) <= 0) {
+ delay = 0;
+ continue;
+ } else {
+ sleep(UPDATE_INTERVAL - delay);
+ delay = 0;
+ }
}
if (!oflag) {
- set_status(NULL);
+ XStoreName(dpy, DefaultRootWindow(dpy), NULL);
XCloseDisplay(dpy);
}