commit 6820631175868c277effa7cc05f9cb3197b72654
Author: Aaron Marcher <me_AT_drkhsh.at>
AuthorDate: Sun Sep 17 16:18:17 2017 +0200
Commit: Aaron Marcher <me_AT_drkhsh.at>
CommitDate: Sun Sep 17 17:26:45 2017 +0200
Split into multiple files
For multiple reasons the program is now split:
- Make future porting to OpenBSD easier
- Assign header includes to individiual functions
- Make future program extensions easier
- Recompile only changed parts
diff --git a/battery.c b/battery.c
new file mode 100644
index 0000000..9f692ea
--- /dev/null
+++ b/battery.c
_AT_@ -0,0 +1,55 @@
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+battery_perc(const char *bat)
+{
+ int perc;
+ char path[PATH_MAX];
+
+ snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity");
+ return (pscanf(path, "%i", &perc) == 1) ?
+ bprintf("%d", perc) : NULL;
+}
+
+const char *
+battery_power(const char *bat)
+{
+ int watts;
+ char path[PATH_MAX];
+
+ snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now");
+ return (pscanf(path, "%i", &watts) == 1) ?
+ bprintf("%d", (watts + 500000) / 1000000) : NULL;
+}
+
+const char *
+battery_state(const char *bat)
+{
+ struct {
+ char *state;
+ char *symbol;
+ } map[] = {
+ { "Charging", "+" },
+ { "Discharging", "-" },
+ { "Full", "=" },
+ { "Unknown", "/" },
+ };
+ size_t i;
+ char path[PATH_MAX], state[12];
+
+ snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/status");
+ if (pscanf(path, "%12s", state) != 1) {
+ return NULL;
+ }
+
+ for (i = 0; i < LEN(map); i++) {
+ if (!strcmp(map[i].state, state)) {
+ break;
+ }
+ }
+ return (i == LEN(map)) ? "?" : map[i].symbol;
+}
diff --git a/cpu.c b/cpu.c
new file mode 100644
index 0000000..0cc1f88
--- /dev/null
+++ b/cpu.c
_AT_@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+cpu_freq(void)
+{
+ int freq;
+
+ return (pscanf("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq",
+ "%i", &freq) == 1) ?
+ bprintf("%d", (freq + 500) / 1000) : NULL;
+}
+
+const char *
+cpu_perc(void)
+{
+ int perc;
+ static long double a[7];
+ static int valid;
+ long double b[7];
+
+ memcpy(b, a, sizeof(b));
+ if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
+ &a[3], &a[4], &a[5], &a[6]) != 7) {
+ return NULL;
+ }
+ if (!valid) {
+ valid = 1;
+ return NULL;
+ }
+
+ perc = 100 * ((b[0]+b[1]+b[2]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[5]+a[6])) /
+ ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
+
+ return bprintf("%d", perc);
+}
+
+const char *
+cpu_iowait(void)
+{
+ int perc;
+ static int valid;
+ static long double a[7];
+ long double b[7];
+
+ memcpy(b, a, sizeof(b));
+ if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
+ &a[3], &a[4], &a[5], &a[6]) != 7) {
+ return NULL;
+ }
+ if (!valid) {
+ valid = 1;
+ return NULL;
+ }
+
+ perc = 100 * ((b[4]) - (a[4])) /
+ ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
+
+ return bprintf("%d", perc);
+}
diff --git a/datetime.c b/datetime.c
new file mode 100644
index 0000000..0f7dab4
--- /dev/null
+++ b/datetime.c
_AT_@ -0,0 +1,15 @@
+#include <time.h>
+
+#include "util.h"
+
+const char *
+datetime(const char *fmt)
+{
+ time_t t;
+
+ t = time(NULL);
+ if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
+ return NULL;
+
+ return buf;
+}
diff --git a/disk.c b/disk.c
new file mode 100644
index 0000000..9fd26fc
--- /dev/null
+++ b/disk.c
_AT_@ -0,0 +1,60 @@
+#include <err.h>
+#include <stdio.h>
+#include <sys/statvfs.h>
+
+#include "util.h"
+
+const char *
+disk_free(const char *mnt)
+{
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return NULL;
+ }
+
+ return bprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
+}
+
+const char *
+disk_perc(const char *mnt)
+{
+ int perc;
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return NULL;
+ }
+
+ perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
+
+ return bprintf("%d", perc);
+}
+
+const char *
+disk_total(const char *mnt)
+{
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return NULL;
+ }
+
+ return bprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
+}
+
+const char *
+disk_used(const char *mnt)
+{
+ struct statvfs fs;
+
+ if (statvfs(mnt, &fs) < 0) {
+ warn("Failed to get filesystem info");
+ return NULL;
+ }
+
+ return bprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
+}
diff --git a/entropy.c b/entropy.c
new file mode 100644
index 0000000..b0f879a
--- /dev/null
+++ b/entropy.c
_AT_@ -0,0 +1,12 @@
+#include <stdio.h>
+
+#include "util.h"
+
+const char *
+entropy(void)
+{
+ int num;
+
+ return (pscanf("/proc/sys/kernel/random/entropy_avail", "%d", &num) == 1) ?
+ bprintf("%d", num) : NULL;
+}
diff --git a/hostname.c b/hostname.c
new file mode 100644
index 0000000..23c5a16
--- /dev/null
+++ b/hostname.c
_AT_@ -0,0 +1,15 @@
+#include <err.h>
+#include <unistd.h>
+
+#include "util.h"
+
+const char *
+hostname(void)
+{
+ if (gethostname(buf, sizeof(buf)) == -1) {
+ warn("hostname");
+ return NULL;
+ }
+
+ return buf;
+}
diff --git a/ip.c b/ip.c
new file mode 100644
index 0000000..600fb86
--- /dev/null
+++ b/ip.c
_AT_@ -0,0 +1,69 @@
+#include <err.h>
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+ipv4(const char *iface)
+{
+ struct ifaddrs *ifaddr, *ifa;
+ int s;
+ char host[NI_MAXHOST];
+
+ if (getifaddrs(&ifaddr) == -1) {
+ warn("Failed to get IPv4 address for interface %s", iface);
+ return NULL;
+ }
+
+ for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr == NULL) {
+ continue;
+ }
+ s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
+ if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
+ if (s != 0) {
+ warnx("Failed to get IPv4 address for interface %s", iface);
+ return NULL;
+ }
+ return bprintf("%s", host);
+ }
+ }
+
+ freeifaddrs(ifaddr);
+
+ return NULL;
+}
+
+const char *
+ipv6(const char *iface)
+{
+ struct ifaddrs *ifaddr, *ifa;
+ int s;
+ char host[NI_MAXHOST];
+
+ if (getifaddrs(&ifaddr) == -1) {
+ warn("Failed to get IPv6 address for interface %s", iface);
+ return NULL;
+ }
+
+ for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+ if (ifa->ifa_addr == NULL) {
+ continue;
+ }
+ s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
+ if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
+ if (s != 0) {
+ warnx("Failed to get IPv6 address for interface %s", iface);
+ return NULL;
+ }
+ return bprintf("%s", host);
+ }
+ }
+
+ freeifaddrs(ifaddr);
+
+ return NULL;
+}
diff --git a/kernel_release.c b/kernel_release.c
new file mode 100644
index 0000000..64f1463
--- /dev/null
+++ b/kernel_release.c
_AT_@ -0,0 +1,16 @@
+#include <sys/utsname.h>
+#include <stdio.h>
+
+#include "util.h"
+
+const char *
+kernel_release(void)
+{
+ struct utsname udata;
+
+ if (uname(&udata) < 0) {
+ return NULL;
+ }
+
+ return bprintf("%s", udata.release);
+}
diff --git a/keyboard_indicators.c b/keyboard_indicators.c
new file mode 100644
index 0000000..4aeae0d
--- /dev/null
+++ b/keyboard_indicators.c
_AT_@ -0,0 +1,29 @@
+#include <err.h>
+#include <X11/Xlib.h>
+
+#include "util.h"
+
+const char *
+keyboard_indicators(void)
+{
+ Display *dpy = XOpenDisplay(NULL);
+ XKeyboardState state;
+
+ if (dpy == NULL) {
+ warnx("XOpenDisplay failed");
+ return NULL;
+ }
+ XGetKeyboardControl(dpy, &state);
+ XCloseDisplay(dpy);
+
+ switch (state.led_mask) {
+ case 1:
+ return "c";
+ case 2:
+ return "n";
+ case 3:
+ return "cn";
+ default:
+ return "";
+ }
+}
diff --git a/load_avg.c b/load_avg.c
new file mode 100644
index 0000000..7342ae9
--- /dev/null
+++ b/load_avg.c
_AT_@ -0,0 +1,17 @@
+#include <err.h>
+#include <stdlib.h>
+
+#include "util.h"
+
+const char *
+load_avg(const char *fmt)
+{
+ double avgs[3];
+
+ if (getloadavg(avgs, 3) < 0) {
+ warnx("Failed to get the load avg");
+ return NULL;
+ }
+
+ return bprintf(fmt, avgs[0], avgs[1], avgs[2]);
+}
diff --git a/num_files.c b/num_files.c
new file mode 100644
index 0000000..505e24a
--- /dev/null
+++ b/num_files.c
_AT_@ -0,0 +1,29 @@
+#include <dirent.h>
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+num_files(const char *dir)
+{
+ struct dirent *dp;
+ DIR *fd;
+ int num = 0;
+
+ if ((fd = opendir(dir)) == NULL) {
+ warn("Failed to get number of files in directory %s", dir);
+ return NULL;
+ }
+
+ while ((dp = readdir(fd)) != NULL) {
+ if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+ continue; /* skip self and parent */
+ num++;
+ }
+
+ closedir(fd);
+
+ return bprintf("%d", num);
+}
diff --git a/ram.c b/ram.c
new file mode 100644
index 0000000..8f7c682
--- /dev/null
+++ b/ram.c
_AT_@ -0,0 +1,51 @@
+#include <stdio.h>
+
+#include "util.h"
+
+const char *
+ram_free(void)
+{
+ long free;
+
+ return (pscanf("/proc/meminfo", "MemFree: %ld kB\n", &free) == 1) ?
+ bprintf("%f", (float)free / 1024 / 1024) : NULL;
+}
+
+const char *
+ram_perc(void)
+{
+ long total, free, buffers, cached;
+
+ return (pscanf("/proc/meminfo",
+ "MemTotal: %ld kB\n"
+ "MemFree: %ld kB\n"
+ "MemAvailable: %ld kB\nBuffers: %ld kB\n"
+ "Cached: %ld kB\n",
+ &total, &free, &buffers, &buffers, &cached) == 5) ?
+ bprintf("%d", 100 * ((total - free) - (buffers + cached)) / total) :
+ NULL;
+}
+
+const char *
+ram_total(void)
+{
+ long total;
+
+ return (pscanf("/proc/meminfo", "MemTotal: %ld kB\n", &total) == 1) ?
+ bprintf("%f", (float)total / 1024 / 1024) : NULL;
+}
+
+const char *
+ram_used(void)
+{
+ long total, free, buffers, cached;
+
+ return (pscanf("/proc/meminfo",
+ "MemTotal: %ld kB\n"
+ "MemFree: %ld kB\n"
+ "MemAvailable: %ld kB\nBuffers: %ld kB\n"
+ "Cached: %ld kB\n",
+ &total, &free, &buffers, &buffers, &cached) == 5) ?
+ bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) :
+ NULL;
+}
diff --git a/run_command.c b/run_command.c
new file mode 100644
index 0000000..26f1f17
--- /dev/null
+++ b/run_command.c
_AT_@ -0,0 +1,26 @@
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+run_command(const char *cmd)
+{
+ char *p;
+ FILE *fp;
+
+ fp = popen(cmd, "r");
+ if (fp == NULL) {
+ warn("Failed to get command output for %s", cmd);
+ return NULL;
+ }
+ p = fgets(buf, sizeof(buf) - 1, fp);
+ pclose(fp);
+ if (!p)
+ return NULL;
+ if ((p = strrchr(buf, '\n')) != NULL)
+ p[0] = '\0';
+
+ return buf[0] ? buf : NULL;
+}
diff --git a/slstatus.c b/slstatus.c
index d17bae7..c7e9303 100644
--- a/slstatus.c
+++ b/slstatus.c
_AT_@ -1,34 +1,16 @@
/* See LICENSE file for copyright and license details. */
-#include <dirent.h>
#include <err.h>
#include <errno.h>
-#include <fcntl.h>
-#include <ifaddrs.h>
-#include <limits.h>
-#include <linux/wireless.h>
#include <locale.h>
-#include <netdb.h>
-#include <pwd.h>
#include <signal.h>
-#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <sys/ioctl.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 <time.h>
-#include <unistd.h>
#include <X11/Xlib.h>
#include "arg.h"
-
-#define LEN(x) (sizeof (x) / sizeof *(x))
+#include "util.h"
struct arg {
const char *(*func)();
_AT_@ -79,727 +61,6 @@ static Display *dpy;
#include "config.h"
-static char buf[MAXLEN];
-
-static const char *
-bprintf(const char *fmt, ...)
-{
- va_list ap;
- size_t len;
-
- va_start(ap, fmt);
- len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
- va_end(ap);
-
- if (len >= sizeof(buf))
- buf[sizeof(buf)-1] = '\0';
-
- return buf;
-}
-
-int
-pscanf(const char *path, const char *fmt, ...)
-{
- FILE *fp;
- va_list ap;
- int n;
-
- if (!(fp = fopen(path, "r"))) {
- warn("fopen %s: %s\n", path, strerror(errno));
- return -1;
- }
- va_start(ap, fmt);
- n = vfscanf(fp, fmt, ap);
- va_end(ap);
- fclose(fp);
-
- return (n == EOF) ? -1 : n;
-}
-
-static const char *
-battery_perc(const char *bat)
-{
- int perc;
- char path[PATH_MAX];
-
- snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity");
- return (pscanf(path, "%i", &perc) == 1) ?
- bprintf("%d", perc) : unknown_str;
-}
-
-static const char *
-battery_power(const char *bat)
-{
- int watts;
- char path[PATH_MAX];
-
- snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now");
- return (pscanf(path, "%i", &watts) == 1) ?
- bprintf("%d", (watts + 500000) / 1000000) : unknown_str;
-}
-
-static const char *
-battery_state(const char *bat)
-{
- struct {
- char *state;
- char *symbol;
- } map[] = {
- { "Charging", "+" },
- { "Discharging", "-" },
- { "Full", "=" },
- { "Unknown", "/" },
- };
- size_t i;
- char path[PATH_MAX], state[12];
-
- snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/status");
- if (pscanf(path, "%12s", state) != 1) {
- return unknown_str;
- }
-
- for (i = 0; i < LEN(map); i++) {
- if (!strcmp(map[i].state, state)) {
- break;
- }
- }
- return (i == LEN(map)) ? "?" : map[i].symbol;
-}
-
-static const char *
-cpu_freq(void)
-{
- int freq;
-
- return (pscanf("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq",
- "%i", &freq) == 1) ?
- bprintf("%d", (freq + 500) / 1000) : unknown_str;
-}
-
-static const char *
-cpu_perc(void)
-{
- int perc;
- static long double a[7];
- static int valid;
- long double b[7];
-
- memcpy(b, a, sizeof(b));
- if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
- &a[3], &a[4], &a[5], &a[6]) != 7) {
- return unknown_str;
- }
- if (!valid) {
- valid = 1;
- return unknown_str;
- }
-
- perc = 100 * ((b[0]+b[1]+b[2]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[5]+a[6])) /
- ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
-
- return bprintf("%d", perc);
-}
-
-static const char *
-cpu_iowait(void)
-{
- int perc;
- static int valid;
- static long double a[7];
- long double b[7];
-
- memcpy(b, a, sizeof(b));
- if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
- &a[3], &a[4], &a[5], &a[6]) != 7) {
- return unknown_str;
- }
- if (!valid) {
- valid = 1;
- return unknown_str;
- }
-
- perc = 100 * ((b[4]) - (a[4])) /
- ((b[0]+b[1]+b[2]+b[3]+b[4]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]));
-
- return bprintf("%d", perc);
-}
-
-static const char *
-datetime(const char *fmt)
-{
- time_t t;
-
- t = time(NULL);
- if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
- return unknown_str;
-
- return buf;
-}
-
-static const char *
-disk_free(const char *mnt)
-{
- struct statvfs fs;
-
- if (statvfs(mnt, &fs) < 0) {
- warn("Failed to get filesystem info");
- return unknown_str;
- }
-
- return bprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
-}
-
-static const char *
-disk_perc(const char *mnt)
-{
- int perc;
- struct statvfs fs;
-
- if (statvfs(mnt, &fs) < 0) {
- warn("Failed to get filesystem info");
- return unknown_str;
- }
-
- perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
-
- return bprintf("%d", perc);
-}
-
-static const char *
-disk_total(const char *mnt)
-{
- struct statvfs fs;
-
- if (statvfs(mnt, &fs) < 0) {
- warn("Failed to get filesystem info");
- return unknown_str;
- }
-
- return bprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
-}
-
-static const char *
-disk_used(const char *mnt)
-{
- struct statvfs fs;
-
- if (statvfs(mnt, &fs) < 0) {
- warn("Failed to get filesystem info");
- return unknown_str;
- }
-
- return bprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
-}
-
-static const char *
-entropy(void)
-{
- int num;
-
- return (pscanf("/proc/sys/kernel/random/entropy_avail", "%d", &num) == 1) ?
- bprintf("%d", num) : unknown_str;
-}
-
-static const char *
-gid(void)
-{
- return bprintf("%d", getgid());
-}
-
-static const char *
-hostname(void)
-{
- if (gethostname(buf, sizeof(buf)) == -1) {
- warn("hostname");
- return unknown_str;
- }
-
- return buf;
-}
-
-static const char *
-ipv4(const char *iface)
-{
- struct ifaddrs *ifaddr, *ifa;
- int s;
- char host[NI_MAXHOST];
-
- if (getifaddrs(&ifaddr) == -1) {
- warn("Failed to get IPv4 address for interface %s", iface);
- return unknown_str;
- }
-
- for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
- if (ifa->ifa_addr == NULL) {
- continue;
- }
- s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
- if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
- if (s != 0) {
- warnx("Failed to get IPv4 address for interface %s", iface);
- return unknown_str;
- }
- return bprintf("%s", host);
- }
- }
-
- freeifaddrs(ifaddr);
-
- return unknown_str;
-}
-
-static const char *
-ipv6(const char *iface)
-{
- struct ifaddrs *ifaddr, *ifa;
- int s;
- char host[NI_MAXHOST];
-
- if (getifaddrs(&ifaddr) == -1) {
- warn("Failed to get IPv6 address for interface %s", iface);
- return unknown_str;
- }
-
- for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
- if (ifa->ifa_addr == NULL) {
- continue;
- }
- s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
- if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
- if (s != 0) {
- warnx("Failed to get IPv6 address for interface %s", iface);
- return unknown_str;
- }
- return bprintf("%s", host);
- }
- }
-
- freeifaddrs(ifaddr);
-
- return unknown_str;
-}
-
-static const char *
-kernel_release(void)
-{
- struct utsname udata;
-
- if (uname(&udata) < 0) {
- return unknown_str;
- }
-
- return bprintf("%s", udata.release);
-}
-
-static const char *
-keyboard_indicators(void)
-{
- Display *dpy = XOpenDisplay(NULL);
- XKeyboardState state;
-
- if (dpy == NULL) {
- warnx("XOpenDisplay failed");
- return unknown_str;
- }
- XGetKeyboardControl(dpy, &state);
- XCloseDisplay(dpy);
-
- switch (state.led_mask) {
- case 1:
- return "c";
- case 2:
- return "n";
- case 3:
- return "cn";
- default:
- return "";
- }
-}
-
-static const char *
-load_avg(const char *fmt)
-{
- double avgs[3];
-
- if (getloadavg(avgs, 3) < 0) {
- warnx("Failed to get the load avg");
- return unknown_str;
- }
-
- return bprintf(fmt, avgs[0], avgs[1], avgs[2]);
-}
-
-static const char *
-num_files(const char *dir)
-{
- struct dirent *dp;
- DIR *fd;
- int num = 0;
-
- if ((fd = opendir(dir)) == NULL) {
- warn("Failed to get number of files in directory %s", dir);
- return unknown_str;
- }
-
- while ((dp = readdir(fd)) != NULL) {
- if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
- continue; /* skip self and parent */
- num++;
- }
-
- closedir(fd);
-
- return bprintf("%d", num);
-}
-
-static const char *
-ram_free(void)
-{
- long free;
-
- return (pscanf("/proc/meminfo", "MemFree: %ld kB\n", &free) == 1) ?
- bprintf("%f", (float)free / 1024 / 1024) : unknown_str;
-}
-
-static const char *
-ram_perc(void)
-{
- long total, free, buffers, cached;
-
- return (pscanf("/proc/meminfo",
- "MemTotal: %ld kB\n"
- "MemFree: %ld kB\n"
- "MemAvailable: %ld kB\nBuffers: %ld kB\n"
- "Cached: %ld kB\n",
- &total, &free, &buffers, &buffers, &cached) == 5) ?
- bprintf("%d", 100 * ((total - free) - (buffers + cached)) / total) :
- unknown_str;
-}
-
-static const char *
-ram_total(void)
-{
- long total;
-
- return (pscanf("/proc/meminfo", "MemTotal: %ld kB\n", &total) == 1) ?
- bprintf("%f", (float)total / 1024 / 1024) : unknown_str;
-}
-
-static const char *
-ram_used(void)
-{
- long total, free, buffers, cached;
-
- return (pscanf("/proc/meminfo",
- "MemTotal: %ld kB\n"
- "MemFree: %ld kB\n"
- "MemAvailable: %ld kB\nBuffers: %ld kB\n"
- "Cached: %ld kB\n",
- &total, &free, &buffers, &buffers, &cached) == 5) ?
- bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) :
- unknown_str;
-}
-
-static const char *
-run_command(const char *cmd)
-{
- char *p;
- FILE *fp;
-
- fp = popen(cmd, "r");
- if (fp == NULL) {
- warn("Failed to get command output for %s", cmd);
- return unknown_str;
- }
- p = fgets(buf, sizeof(buf) - 1, fp);
- pclose(fp);
- if (!p)
- return unknown_str;
- if ((p = strrchr(buf, '\n')) != NULL)
- p[0] = '\0';
-
- return buf[0] ? buf : unknown_str;
-}
-
-static const char *
-swap_free(void)
-{
- long total, free;
- FILE *fp;
- size_t bytes_read;
- char *match;
-
- fp = fopen("/proc/meminfo", "r");
- if (fp == NULL) {
- warn("Failed to open file /proc/meminfo");
- return unknown_str;
- }
-
- if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
- warn("swap_free: read error");
- fclose(fp);
- return unknown_str;
- }
- fclose(fp);
-
- if ((match = strstr(buf, "SwapTotal")) == NULL)
- return unknown_str;
- sscanf(match, "SwapTotal: %ld kB\n", &total);
-
- if ((match = strstr(buf, "SwapFree")) == NULL)
- return unknown_str;
- sscanf(match, "SwapFree: %ld kB\n", &free);
-
- return bprintf("%f", (float)free / 1024 / 1024);
-}
-
-static const char *
-swap_perc(void)
-{
- long total, free, cached;
- FILE *fp;
- size_t bytes_read;
- char *match;
-
- fp = fopen("/proc/meminfo", "r");
- if (fp == NULL) {
- warn("Failed to open file /proc/meminfo");
- return unknown_str;
- }
-
- if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
- warn("swap_perc: read error");
- fclose(fp);
- return unknown_str;
- }
- fclose(fp);
-
- if ((match = strstr(buf, "SwapTotal")) == NULL)
- return unknown_str;
- sscanf(match, "SwapTotal: %ld kB\n", &total);
-
- if ((match = strstr(buf, "SwapCached")) == NULL)
- return unknown_str;
- sscanf(match, "SwapCached: %ld kB\n", &cached);
-
- if ((match = strstr(buf, "SwapFree")) == NULL)
- return unknown_str;
- sscanf(match, "SwapFree: %ld kB\n", &free);
-
- return bprintf("%d", 100 * (total - free - cached) / total);
-}
-
-static const char *
-swap_total(void)
-{
- long total;
- FILE *fp;
- size_t bytes_read;
- char *match;
-
- fp = fopen("/proc/meminfo", "r");
- if (fp == NULL) {
- warn("Failed to open file /proc/meminfo");
- return unknown_str;
- }
- if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
- warn("swap_total: read error");
- fclose(fp);
- return unknown_str;
- }
- fclose(fp);
-
- if ((match = strstr(buf, "SwapTotal")) == NULL)
- return unknown_str;
- sscanf(match, "SwapTotal: %ld kB\n", &total);
-
- return bprintf("%f", (float)total / 1024 / 1024);
-}
-
-static const char *
-swap_used(void)
-{
- long total, free, cached;
- FILE *fp;
- size_t bytes_read;
- char *match;
-
- fp = fopen("/proc/meminfo", "r");
- if (fp == NULL) {
- warn("Failed to open file /proc/meminfo");
- return unknown_str;
- }
- if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
- warn("swap_used: read error");
- fclose(fp);
- return unknown_str;
- }
- fclose(fp);
-
- if ((match = strstr(buf, "SwapTotal")) == NULL)
- return unknown_str;
- sscanf(match, "SwapTotal: %ld kB\n", &total);
-
- if ((match = strstr(buf, "SwapCached")) == NULL)
- return unknown_str;
- sscanf(match, "SwapCached: %ld kB\n", &cached);
-
- if ((match = strstr(buf, "SwapFree")) == NULL)
- return unknown_str;
- sscanf(match, "SwapFree: %ld kB\n", &free);
-
- return bprintf("%f", (float)(total - free - cached) / 1024 / 1024);
-}
-
-static const char *
-temp(const char *file)
-{
- int temp;
-
- return (pscanf(file, "%d", &temp) == 1) ?
- bprintf("%d", temp / 1000) : unknown_str;
-}
-
-static const char *
-uptime(void)
-{
- struct sysinfo info;
- int h = 0;
- int m = 0;
-
- sysinfo(&info);
- h = info.uptime / 3600;
- m = (info.uptime - h * 3600 ) / 60;
-
- return bprintf("%dh %dm", h, m);
-}
-
-static const char *
-username(void)
-{
- struct passwd *pw = getpwuid(geteuid());
-
- if (pw == NULL) {
- warn("Failed to get username");
- return unknown_str;
- }
-
- return bprintf("%s", pw->pw_name);
-}
-
-static const char *
-uid(void)
-{
- return bprintf("%d", geteuid());
-}
-
-
-static const char *
-vol_perc(const char *card)
-{
- unsigned int i;
- int v, afd, devmask;
- char *vnames[] = SOUND_DEVICE_NAMES;
-
- afd = open(card, O_RDONLY | O_NONBLOCK);
- if (afd == -1) {
- warn("Cannot open %s", card);
- return unknown_str;
- }
-
- if (ioctl(afd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
- warn("Cannot get volume for %s", card);
- close(afd);
- return unknown_str;
- }
- for (i = 0; i < LEN(vnames); i++) {
- if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
- if (ioctl(afd, MIXER_READ(i), &v) == -1) {
- warn("vol_perc: ioctl");
- close(afd);
- return unknown_str;
- }
- }
- }
-
- close(afd);
-
- return bprintf("%d", v & 0xff);
-}
-
-static const char *
-wifi_perc(const char *iface)
-{
- int i, perc;
- char *p, *datastart;
- char path[PATH_MAX];
- char status[5];
- FILE *fp;
-
- snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface, "/operstate");
- fp = fopen(path, "r");
- if (fp == NULL) {
- warn("Failed to open file %s", path);
- return unknown_str;
- }
- p = fgets(status, 5, fp);
- fclose(fp);
- if(!p || strcmp(status, "up\n") != 0) {
- return unknown_str;
- }
-
- fp = fopen("/proc/net/wireless", "r");
- if (fp == NULL) {
- warn("Failed to open file /proc/net/wireless");
- return unknown_str;
- }
-
- for (i = 0; i < 3; i++) {
- if (!(p = fgets(buf, sizeof(buf) - 1, fp)))
- break;
- }
- fclose(fp);
- if (i < 2 || !p)
- return unknown_str;
-
- if ((datastart = strstr(buf, iface)) == NULL)
- return unknown_str;
-
- datastart = (datastart+(strlen(iface)+1));
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
-
- return bprintf("%d", perc);
-}
-
-static const char *
-wifi_essid(const char *iface)
-{
- static char id[IW_ESSID_MAX_SIZE+1];
- int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
- struct iwreq wreq;
-
- memset(&wreq, 0, sizeof(struct iwreq));
- wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
- snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
-
- if (sockfd == -1) {
- warn("Failed to get ESSID for interface %s", iface);
- return unknown_str;
- }
- wreq.u.essid.pointer = id;
- if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
- warn("Failed to get ESSID for interface %s", iface);
- return unknown_str;
- }
-
- close(sockfd);
-
- if (strcmp(id, "") == 0)
- return unknown_str;
- else
- return id;
-}
-
static void
terminate(const int signo)
{
diff --git a/swap.c b/swap.c
new file mode 100644
index 0000000..2a627c3
--- /dev/null
+++ b/swap.c
_AT_@ -0,0 +1,135 @@
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+swap_free(void)
+{
+ long total, free;
+ FILE *fp;
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return NULL;
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
+ warn("swap_free: read error");
+ fclose(fp);
+ return NULL;
+ }
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL)
+ return NULL;
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL)
+ return NULL;
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return bprintf("%f", (float)free / 1024 / 1024);
+}
+
+const char *
+swap_perc(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return NULL;
+ }
+
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
+ warn("swap_perc: read error");
+ fclose(fp);
+ return NULL;
+ }
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL)
+ return NULL;
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapCached")) == NULL)
+ return NULL;
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL)
+ return NULL;
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return bprintf("%d", 100 * (total - free - cached) / total);
+}
+
+const char *
+swap_total(void)
+{
+ long total;
+ FILE *fp;
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return NULL;
+ }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
+ warn("swap_total: read error");
+ fclose(fp);
+ return NULL;
+ }
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL)
+ return NULL;
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ return bprintf("%f", (float)total / 1024 / 1024);
+}
+
+const char *
+swap_used(void)
+{
+ long total, free, cached;
+ FILE *fp;
+ size_t bytes_read;
+ char *match;
+
+ fp = fopen("/proc/meminfo", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/meminfo");
+ return NULL;
+ }
+ if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
+ warn("swap_used: read error");
+ fclose(fp);
+ return NULL;
+ }
+ fclose(fp);
+
+ if ((match = strstr(buf, "SwapTotal")) == NULL)
+ return NULL;
+ sscanf(match, "SwapTotal: %ld kB\n", &total);
+
+ if ((match = strstr(buf, "SwapCached")) == NULL)
+ return NULL;
+ sscanf(match, "SwapCached: %ld kB\n", &cached);
+
+ if ((match = strstr(buf, "SwapFree")) == NULL)
+ return NULL;
+ sscanf(match, "SwapFree: %ld kB\n", &free);
+
+ return bprintf("%f", (float)(total - free - cached) / 1024 / 1024);
+}
diff --git a/temperature.c b/temperature.c
new file mode 100644
index 0000000..91b871b
--- /dev/null
+++ b/temperature.c
_AT_@ -0,0 +1,12 @@
+#include <stdio.h>
+
+#include "util.h"
+
+const char *
+temp(const char *file)
+{
+ int temp;
+
+ return (pscanf(file, "%d", &temp) == 1) ?
+ bprintf("%d", temp / 1000) : NULL;
+}
diff --git a/uptime.c b/uptime.c
new file mode 100644
index 0000000..c9f4fda
--- /dev/null
+++ b/uptime.c
_AT_@ -0,0 +1,17 @@
+#include <sys/sysinfo.h>
+
+#include "util.h"
+
+const char *
+uptime(void)
+{
+ struct sysinfo info;
+ int h = 0;
+ int m = 0;
+
+ sysinfo(&info);
+ h = info.uptime / 3600;
+ m = (info.uptime - h * 3600 ) / 60;
+
+ return bprintf("%dh %dm", h, m);
+}
diff --git a/user.c b/user.c
new file mode 100644
index 0000000..5ab7c8e
--- /dev/null
+++ b/user.c
_AT_@ -0,0 +1,31 @@
+#include <err.h>
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "util.h"
+
+const char *
+gid(void)
+{
+ return bprintf("%d", getgid());
+}
+
+const char *
+username(void)
+{
+ struct passwd *pw = getpwuid(geteuid());
+
+ if (pw == NULL) {
+ warn("Failed to get username");
+ return NULL;
+ }
+
+ return bprintf("%s", pw->pw_name);
+}
+
+const char *
+uid(void)
+{
+ return bprintf("%d", geteuid());
+}
diff --git a/util.c b/util.c
new file mode 100644
index 0000000..98c5fc5
--- /dev/null
+++ b/util.c
_AT_@ -0,0 +1,42 @@
+#include <err.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+bprintf(const char *fmt, ...)
+{
+ va_list ap;
+ size_t len;
+
+ va_start(ap, fmt);
+ len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
+ va_end(ap);
+
+ if (len >= sizeof(buf))
+ buf[sizeof(buf)-1] = '\0';
+
+ return buf;
+}
+
+int
+pscanf(const char *path, const char *fmt, ...)
+{
+ FILE *fp;
+ va_list ap;
+ int n;
+
+ if (!(fp = fopen(path, "r"))) {
+ warn("fopen %s: %s\n", path, strerror(errno));
+ return -1;
+ }
+ va_start(ap, fmt);
+ n = vfscanf(fp, fmt, ap);
+ va_end(ap);
+ fclose(fp);
+
+ return (n == EOF) ? -1 : n;
+}
diff --git a/util.h b/util.h
new file mode 100644
index 0000000..6f47e85
--- /dev/null
+++ b/util.h
_AT_@ -0,0 +1,6 @@
+static char buf[1024];
+
+#define LEN(x) (sizeof (x) / sizeof *(x))
+
+const char *bprintf(const char *fmt, ...);
+int pscanf(const char *path, const char *fmt, ...);
diff --git a/volume.c b/volume.c
new file mode 100644
index 0000000..a23c4f1
--- /dev/null
+++ b/volume.c
_AT_@ -0,0 +1,42 @@
+#include <err.h>
+#include <fcntl.h>
+#include <sys/soundcard.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "util.h"
+
+const char *
+vol_perc(const char *card)
+{
+ unsigned int i;
+ int v, afd, devmask;
+ char *vnames[] = SOUND_DEVICE_NAMES;
+
+ afd = open(card, O_RDONLY | O_NONBLOCK);
+ if (afd == -1) {
+ warn("Cannot open %s", card);
+ return NULL;
+ }
+
+ if (ioctl(afd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
+ warn("Cannot get volume for %s", card);
+ close(afd);
+ return NULL;
+ }
+ for (i = 0; i < LEN(vnames); i++) {
+ if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
+ if (ioctl(afd, MIXER_READ(i), &v) == -1) {
+ warn("vol_perc: ioctl");
+ close(afd);
+ return NULL;
+ }
+ }
+ }
+
+ close(afd);
+
+ return bprintf("%d", v & 0xff);
+}
diff --git a/wifi.c b/wifi.c
new file mode 100644
index 0000000..b0c81f9
--- /dev/null
+++ b/wifi.c
_AT_@ -0,0 +1,84 @@
+#include <err.h>
+#include <ifaddrs.h>
+#include <linux/wireless.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+#include "util.h"
+
+const char *
+wifi_perc(const char *iface)
+{
+ int i, perc;
+ char *p, *datastart;
+ char path[PATH_MAX];
+ char status[5];
+ FILE *fp;
+
+ snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface, "/operstate");
+ fp = fopen(path, "r");
+ if (fp == NULL) {
+ warn("Failed to open file %s", path);
+ return NULL;
+ }
+ p = fgets(status, 5, fp);
+ fclose(fp);
+ if(!p || strcmp(status, "up\n") != 0) {
+ return NULL;
+ }
+
+ fp = fopen("/proc/net/wireless", "r");
+ if (fp == NULL) {
+ warn("Failed to open file /proc/net/wireless");
+ return NULL;
+ }
+
+ for (i = 0; i < 3; i++) {
+ if (!(p = fgets(buf, sizeof(buf) - 1, fp)))
+ break;
+ }
+ fclose(fp);
+ if (i < 2 || !p)
+ return NULL;
+
+ if ((datastart = strstr(buf, iface)) == NULL)
+ return NULL;
+
+ datastart = (datastart+(strlen(iface)+1));
+ sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
+
+ return bprintf("%d", perc);
+}
+
+const char *
+wifi_essid(const char *iface)
+{
+ static char id[IW_ESSID_MAX_SIZE+1];
+ int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ struct iwreq wreq;
+
+ memset(&wreq, 0, sizeof(struct iwreq));
+ wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
+ snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
+
+ if (sockfd == -1) {
+ warn("Failed to get ESSID for interface %s", iface);
+ return NULL;
+ }
+ wreq.u.essid.pointer = id;
+ if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
+ warn("Failed to get ESSID for interface %s", iface);
+ return NULL;
+ }
+
+ close(sockfd);
+
+ if (strcmp(id, "") == 0)
+ return NULL;
+ else
+ return id;
+}
Received on Sun Sep 17 2017 - 17:45:57 CEST