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
This commit is contained in:
parent
8e25af7dc3
commit
6820631175
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@ -0,0 +1,55 @@
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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const char *
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battery_perc(const char *bat)
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{
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int perc;
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char path[PATH_MAX];
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snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/capacity");
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return (pscanf(path, "%i", &perc) == 1) ?
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bprintf("%d", perc) : NULL;
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}
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const char *
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battery_power(const char *bat)
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{
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int watts;
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char path[PATH_MAX];
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snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/power_now");
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return (pscanf(path, "%i", &watts) == 1) ?
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bprintf("%d", (watts + 500000) / 1000000) : NULL;
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}
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const char *
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battery_state(const char *bat)
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{
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struct {
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char *state;
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char *symbol;
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} map[] = {
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{ "Charging", "+" },
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{ "Discharging", "-" },
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{ "Full", "=" },
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{ "Unknown", "/" },
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};
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size_t i;
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char path[PATH_MAX], state[12];
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snprintf(path, sizeof(path), "%s%s%s", "/sys/class/power_supply/", bat, "/status");
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if (pscanf(path, "%12s", state) != 1) {
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return NULL;
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}
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for (i = 0; i < LEN(map); i++) {
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if (!strcmp(map[i].state, state)) {
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break;
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}
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}
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return (i == LEN(map)) ? "?" : map[i].symbol;
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}
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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const char *
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cpu_freq(void)
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{
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int freq;
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return (pscanf("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq",
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"%i", &freq) == 1) ?
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bprintf("%d", (freq + 500) / 1000) : NULL;
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}
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const char *
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cpu_perc(void)
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{
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int perc;
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static long double a[7];
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static int valid;
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long double b[7];
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memcpy(b, a, sizeof(b));
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if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
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&a[3], &a[4], &a[5], &a[6]) != 7) {
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return NULL;
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}
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if (!valid) {
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valid = 1;
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return NULL;
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}
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perc = 100 * ((b[0]+b[1]+b[2]+b[5]+b[6]) - (a[0]+a[1]+a[2]+a[5]+a[6])) /
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((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]));
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return bprintf("%d", perc);
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}
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const char *
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cpu_iowait(void)
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{
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int perc;
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static int valid;
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static long double a[7];
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long double b[7];
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memcpy(b, a, sizeof(b));
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if (pscanf("/proc/stat", "%*s %Lf %Lf %Lf %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2],
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&a[3], &a[4], &a[5], &a[6]) != 7) {
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return NULL;
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}
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if (!valid) {
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valid = 1;
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return NULL;
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}
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perc = 100 * ((b[4]) - (a[4])) /
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((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]));
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return bprintf("%d", perc);
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}
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#include <time.h>
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#include "util.h"
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const char *
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datetime(const char *fmt)
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{
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time_t t;
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t = time(NULL);
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if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
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return NULL;
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return buf;
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}
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#include <err.h>
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#include <stdio.h>
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#include <sys/statvfs.h>
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#include "util.h"
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const char *
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disk_free(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return NULL;
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}
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return bprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
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}
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const char *
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disk_perc(const char *mnt)
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{
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int perc;
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return NULL;
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}
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perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
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return bprintf("%d", perc);
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}
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const char *
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disk_total(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return NULL;
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}
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return bprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
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}
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const char *
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disk_used(const char *mnt)
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{
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struct statvfs fs;
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if (statvfs(mnt, &fs) < 0) {
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warn("Failed to get filesystem info");
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return NULL;
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}
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return bprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
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}
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#include <stdio.h>
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#include "util.h"
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const char *
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entropy(void)
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{
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int num;
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return (pscanf("/proc/sys/kernel/random/entropy_avail", "%d", &num) == 1) ?
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bprintf("%d", num) : NULL;
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}
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#include <err.h>
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#include <unistd.h>
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#include "util.h"
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const char *
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hostname(void)
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{
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if (gethostname(buf, sizeof(buf)) == -1) {
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warn("hostname");
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return NULL;
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}
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return buf;
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}
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#include <err.h>
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#include <ifaddrs.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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const char *
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ipv4(const char *iface)
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{
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struct ifaddrs *ifaddr, *ifa;
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int s;
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char host[NI_MAXHOST];
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if (getifaddrs(&ifaddr) == -1) {
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warn("Failed to get IPv4 address for interface %s", iface);
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return NULL;
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}
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for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
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if (ifa->ifa_addr == NULL) {
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continue;
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}
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s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
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if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
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if (s != 0) {
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warnx("Failed to get IPv4 address for interface %s", iface);
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return NULL;
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}
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return bprintf("%s", host);
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}
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}
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freeifaddrs(ifaddr);
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return NULL;
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}
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const char *
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ipv6(const char *iface)
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{
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struct ifaddrs *ifaddr, *ifa;
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int s;
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char host[NI_MAXHOST];
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if (getifaddrs(&ifaddr) == -1) {
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warn("Failed to get IPv6 address for interface %s", iface);
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return NULL;
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}
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for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
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if (ifa->ifa_addr == NULL) {
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continue;
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}
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s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
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if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
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if (s != 0) {
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warnx("Failed to get IPv6 address for interface %s", iface);
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return NULL;
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}
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return bprintf("%s", host);
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}
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}
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freeifaddrs(ifaddr);
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return NULL;
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}
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#include <sys/utsname.h>
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#include <stdio.h>
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#include "util.h"
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const char *
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kernel_release(void)
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{
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struct utsname udata;
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if (uname(&udata) < 0) {
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return NULL;
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}
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return bprintf("%s", udata.release);
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}
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#include <err.h>
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#include <X11/Xlib.h>
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#include "util.h"
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const char *
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keyboard_indicators(void)
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{
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Display *dpy = XOpenDisplay(NULL);
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XKeyboardState state;
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if (dpy == NULL) {
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warnx("XOpenDisplay failed");
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return NULL;
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}
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XGetKeyboardControl(dpy, &state);
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XCloseDisplay(dpy);
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switch (state.led_mask) {
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case 1:
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return "c";
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case 2:
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return "n";
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case 3:
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return "cn";
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default:
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return "";
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}
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}
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#include <err.h>
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#include <stdlib.h>
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#include "util.h"
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const char *
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load_avg(const char *fmt)
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{
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double avgs[3];
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if (getloadavg(avgs, 3) < 0) {
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warnx("Failed to get the load avg");
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return NULL;
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}
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return bprintf(fmt, avgs[0], avgs[1], avgs[2]);
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}
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#include <dirent.h>
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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const char *
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num_files(const char *dir)
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{
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struct dirent *dp;
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DIR *fd;
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int num = 0;
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if ((fd = opendir(dir)) == NULL) {
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warn("Failed to get number of files in directory %s", dir);
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return NULL;
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}
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while ((dp = readdir(fd)) != NULL) {
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if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
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continue; /* skip self and parent */
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num++;
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}
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closedir(fd);
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return bprintf("%d", num);
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}
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#include <stdio.h>
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#include "util.h"
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const char *
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ram_free(void)
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{
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long free;
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return (pscanf("/proc/meminfo", "MemFree: %ld kB\n", &free) == 1) ?
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bprintf("%f", (float)free / 1024 / 1024) : NULL;
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}
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const char *
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ram_perc(void)
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{
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long total, free, buffers, cached;
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return (pscanf("/proc/meminfo",
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"MemTotal: %ld kB\n"
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"MemFree: %ld kB\n"
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"MemAvailable: %ld kB\nBuffers: %ld kB\n"
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"Cached: %ld kB\n",
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&total, &free, &buffers, &buffers, &cached) == 5) ?
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bprintf("%d", 100 * ((total - free) - (buffers + cached)) / total) :
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NULL;
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}
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const char *
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ram_total(void)
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{
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long total;
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return (pscanf("/proc/meminfo", "MemTotal: %ld kB\n", &total) == 1) ?
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bprintf("%f", (float)total / 1024 / 1024) : NULL;
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}
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const char *
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ram_used(void)
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{
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long total, free, buffers, cached;
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return (pscanf("/proc/meminfo",
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"MemTotal: %ld kB\n"
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"MemFree: %ld kB\n"
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"MemAvailable: %ld kB\nBuffers: %ld kB\n"
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"Cached: %ld kB\n",
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&total, &free, &buffers, &buffers, &cached) == 5) ?
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bprintf("%f", (float)(total - free - buffers - cached) / 1024 / 1024) :
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NULL;
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}
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#include <err.h>
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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const char *
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run_command(const char *cmd)
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{
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char *p;
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FILE *fp;
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fp = popen(cmd, "r");
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if (fp == NULL) {
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warn("Failed to get command output for %s", cmd);
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return NULL;
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}
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p = fgets(buf, sizeof(buf) - 1, fp);
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pclose(fp);
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if (!p)
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return NULL;
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if ((p = strrchr(buf, '\n')) != NULL)
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p[0] = '\0';
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return buf[0] ? buf : NULL;
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}
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741
slstatus.c
741
slstatus.c
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@ -1,34 +1,16 @@
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/* See LICENSE file for copyright and license details. */
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#include <dirent.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <ifaddrs.h>
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#include <limits.h>
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#include <linux/wireless.h>
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#include <locale.h>
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#include <netdb.h>
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#include <pwd.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/statvfs.h>
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#include <sys/socket.h>
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#include <sys/soundcard.h>
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#include <sys/sysinfo.h>
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#include <sys/types.h>
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#include <sys/utsname.h>
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#include <time.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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#include "arg.h"
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#define LEN(x) (sizeof (x) / sizeof *(x))
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#include "util.h"
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struct arg {
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const char *(*func)();
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|
@ -79,727 +61,6 @@ static Display *dpy;
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#include "config.h"
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static char buf[MAXLEN];
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|
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static const char *
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bprintf(const char *fmt, ...)
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{
|
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va_list ap;
|
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size_t len;
|
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|
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va_start(ap, fmt);
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len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
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va_end(ap);
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|
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if (len >= sizeof(buf))
|
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buf[sizeof(buf)-1] = '\0';
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return buf;
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}
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||||
|
||||
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)
|
||||
{
|
||||
|
|
|
@ -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);
|
||||
}
|
|
@ -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;
|
||||
}
|
|
@ -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);
|
||||
}
|
|
@ -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());
|
||||
}
|
|
@ -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;
|
||||
}
|
|
@ -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, ...);
|
|
@ -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);
|
||||
}
|
|
@ -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;
|
||||
}
|
Loading…
Reference in New Issue