X-Git-Url: https://git.xinqibao.xyz/slstatus.git/blobdiff_plain/e1b89581d2273d1e32cfa25616121e884f755b33..62f40164309cd6f22be9fae89c071221944618e4:/slstatus.c
diff --git a/slstatus.c b/slstatus.c
index d442776..ff81e0c 100644
--- a/slstatus.c
+++ b/slstatus.c
@@ -1,6 +1,5 @@
/* See LICENSE file for copyright and license details. */
-#include <alsa/asoundlib.h>
#include <err.h>
#include <fcntl.h>
#include <ifaddrs.h>
@@ -18,8 +17,10 @@
#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 <time.h>
#include <unistd.h>
#include <X11/Xlib.h>
@@ -57,6 +58,10 @@ static char *ram_perc(void);
static char *ram_used(void);
static char *ram_total(void);
static char *run_command(const char *cmd);
+static char *swap_free(void);
+static char *swap_perc(void);
+static char *swap_used(void);
+static char *swap_total(void);
static char *temp(const char *file);
static char *uid(void);
static char *uptime(void);
@@ -64,6 +69,7 @@ static char *username(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);
@@ -417,6 +423,145 @@ run_command(const char *cmd)
return smprintf("%s", buf);
}
+static char *
+swap_free(void)
+{
+ long total, free;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf(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);
+ }
+
+ match = strstr(buf, "SwapFree");
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%f", (float)free / 1024 / 1024);
+}
+
+static char *
+swap_perc(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf(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);
+ }
+
+ match = strstr(buf, "SwapCached");
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ match = strstr(buf, "SwapFree");
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%d%%", 100 * (total - free - cached) / total);
+}
+
+static char *
+swap_total(void)
+{
+ long total;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf(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);
+ }
+
+ return smprintf("%f", (float)total / 1024 / 1024);
+}
+
+static char *
+swap_used(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ char buf[2048];
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return smprintf(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);
+ }
+
+ match = strstr(buf, "SwapCached");
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ match = strstr(buf, "SwapFree");
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return smprintf("%f", (float)(total - free - cached) / 1024 / 1024);
+}
+
static char *
temp(const char *file)
{
@@ -472,37 +617,30 @@ uid(void)
static char *
vol_perc(const char *card)
{
- long int vol, max, min;
- snd_mixer_t *handle;
- snd_mixer_elem_t *elem;
- snd_mixer_selem_id_t *s_elem;
-
- 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);
+ unsigned int i;
+ int v, afd, devmask;
+ char *vnames[] = SOUND_DEVICE_NAMES;
- if (elem == NULL) {
- snd_mixer_selem_id_free(s_elem);
- snd_mixer_close(handle);
- warn("Failed to get volume percentage for %s", card);
+ 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_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 (max == 0)
- return smprintf("0%%");
- else
- return smprintf("%lu%%", ((uint_fast16_t)(vol * 100) / max));
+ close(afd);
+ if (v == 0) {
+ return smprintf("mute");
+ }
+ return smprintf("%d%%", v & 0xff);
}
static char *
@@ -574,6 +712,16 @@ wifi_essid(const char *iface)
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)
{