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Simplify signal handling a bit
[slstatus.git]
/
slstatus.c
diff --git
a/slstatus.c
b/slstatus.c
index
c4a9e92
..
cd6cc8f
100644
(file)
--- a/
slstatus.c
+++ b/
slstatus.c
@@
-1,5
+1,4
@@
/* See LICENSE file for copyright and license details. */
/* See LICENSE file for copyright and license details. */
-
#include <dirent.h>
#include <err.h>
#include <fcntl.h>
#include <dirent.h>
#include <err.h>
#include <fcntl.h>
@@
-28,13
+27,14
@@
#include "arg.h"
#include "arg.h"
+#define LEN(x) (sizeof (x) / sizeof *(x))
+
struct arg {
const char *(*func)();
const char *fmt;
const char *args;
};
struct arg {
const char *(*func)();
const char *fmt;
const char *args;
};
-static const char *bprintf(const char *fmt, ...);
static const char *battery_perc(const char *bat);
static const char *battery_power(const char *bat);
static const char *battery_state(const char *bat);
static const char *battery_perc(const char *bat);
static const char *battery_power(const char *bat);
static const char *battery_state(const char *bat);
@@
-69,8
+69,6
@@
static const char *username(void);
static const char *vol_perc(const char *card);
static const char *wifi_perc(const char *iface);
static const char *wifi_essid(const char *iface);
static const char *vol_perc(const char *card);
static const char *wifi_perc(const char *iface);
static const char *wifi_essid(const char *iface);
-static void sighandler(const int signo);
-static void usage(void);
char *argv0;
static unsigned short int delay = 0;
char *argv0;
static unsigned short int delay = 0;
@@
-108,12
+106,12
@@
battery_perc(const char *bat)
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%i", &perc);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "%i", &perc);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%d", perc);
}
return bprintf("%d", perc);
}
@@
-129,12
+127,12
@@
battery_power(const char *bat)
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%i", &watts);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "%i", &watts);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%d", (watts + 500000) / 1000000);
}
return bprintf("%d", (watts + 500000) / 1000000);
}
@@
-160,20
+158,20
@@
battery_state(const char *bat)
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%12s", state);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "%12s", state);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
- for (i = 0; i <
sizeof(map) / sizeof(*
map); i++) {
+ for (i = 0; i <
LEN(
map); i++) {
if (!strcmp(map[i].state, state)) {
break;
}
}
if (!strcmp(map[i].state, state)) {
break;
}
}
- return (i ==
sizeof(map) / sizeof(*
map)) ? "?" : map[i].symbol;
+ return (i ==
LEN(
map)) ? "?" : map[i].symbol;
}
static const char *
}
static const char *
@@
-185,12
+183,12
@@
cpu_freq(void)
fp = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
if (fp == NULL) {
warn("Failed to open file /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");
fp = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
if (fp == NULL) {
warn("Failed to open file /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%i", &freq);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "%i", &freq);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%d", (freq + 500) / 1000);
}
return bprintf("%d", (freq + 500) / 1000);
}
@@
-205,12
+203,12
@@
cpu_perc(void)
fp = fopen("/proc/stat", "r");
if (fp == NULL) {
warn("Failed to open file /proc/stat");
fp = fopen("/proc/stat", "r");
if (fp == NULL) {
warn("Failed to open file /proc/stat");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp);
if (n != 4)
}
n = fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &a[0], &a[1], &a[2], &a[3]);
fclose(fp);
if (n != 4)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
delay++;
sleep(delay);
delay++;
sleep(delay);
@@
-218,12
+216,12
@@
cpu_perc(void)
fp = fopen("/proc/stat", "r");
if (fp == NULL) {
warn("Failed to open file /proc/stat");
fp = fopen("/proc/stat", "r");
if (fp == NULL) {
warn("Failed to open file /proc/stat");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp);
if (n != 4)
}
n = fscanf(fp, "%*s %Lf %Lf %Lf %Lf", &b[0], &b[1], &b[2], &b[3]);
fclose(fp);
if (n != 4)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
return bprintf("%d", perc);
perc = 100 * ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
return bprintf("%d", perc);
@@
-236,7
+234,7
@@
datetime(const char *fmt)
t = time(NULL);
if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
t = time(NULL);
if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return buf;
}
return buf;
}
@@
-248,7
+246,7
@@
disk_free(const char *mnt)
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
}
return bprintf("%f", (float)fs.f_bsize * (float)fs.f_bfree / 1024 / 1024 / 1024);
@@
-262,7
+260,7
@@
disk_perc(const char *mnt)
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
}
perc = 100 * (1.0f - ((float)fs.f_bfree / (float)fs.f_blocks));
@@
-277,7
+275,7
@@
disk_total(const char *mnt)
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
}
return bprintf("%f", (float)fs.f_bsize * (float)fs.f_blocks / 1024 / 1024 / 1024);
@@
-290,7
+288,7
@@
disk_used(const char *mnt)
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
if (statvfs(mnt, &fs) < 0) {
warn("Failed to get filesystem info");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
}
return bprintf("%f", (float)fs.f_bsize * ((float)fs.f_blocks - (float)fs.f_bfree) / 1024 / 1024 / 1024);
@@
-305,12
+303,12
@@
entropy(void)
fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
fp= fopen("/proc/sys/kernel/random/entropy_avail", "r");
if (fp == NULL) {
warn("Failed to open file /proc/sys/kernel/random/entropy_avail");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%d", &num);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "%d", &num);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%d", num);
}
return bprintf("%d", num);
}
@@
-326,7
+324,7
@@
hostname(void)
{
if (gethostname(buf, sizeof(buf)) == -1) {
warn("hostname");
{
if (gethostname(buf, sizeof(buf)) == -1) {
warn("hostname");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return buf;
}
return buf;
@@
-341,7
+339,7
@@
ip(const char *iface)
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IP address for interface %s", iface);
if (getifaddrs(&ifaddr) == -1) {
warn("Failed to get IP address for interface %s", iface);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
@@
-352,7
+350,7
@@
ip(const char *iface)
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
warnx("Failed to get IP address for interface %s", iface);
if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
warnx("Failed to get IP address for interface %s", iface);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%s", host);
}
}
return bprintf("%s", host);
}
@@
-360,7
+358,7
@@
ip(const char *iface)
freeifaddrs(ifaddr);
freeifaddrs(ifaddr);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
static const char *
}
static const char *
@@
-369,7
+367,7
@@
kernel_release(void)
struct utsname udata;
if (uname(&udata) < 0) {
struct utsname udata;
if (uname(&udata) < 0) {
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%s", udata.release);
}
return bprintf("%s", udata.release);
@@
-380,6
+378,11
@@
keyboard_indicators(void)
{
Display *dpy = XOpenDisplay(NULL);
XKeyboardState state;
{
Display *dpy = XOpenDisplay(NULL);
XKeyboardState state;
+
+ if (dpy == NULL) {
+ warnx("XOpenDisplay failed");
+ return unknown_str;
+ }
XGetKeyboardControl(dpy, &state);
XCloseDisplay(dpy);
XGetKeyboardControl(dpy, &state);
XCloseDisplay(dpy);
@@
-402,7
+405,7
@@
load_avg(void)
if (getloadavg(avgs, 3) < 0) {
warnx("Failed to get the load avg");
if (getloadavg(avgs, 3) < 0) {
warnx("Failed to get the load avg");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
}
return bprintf("%.2f %.2f %.2f", avgs[0], avgs[1], avgs[2]);
@@
-417,7
+420,7
@@
num_files(const char *dir)
if ((fd = opendir(dir)) == NULL) {
warn("Failed to get number of files in directory %s", dir);
if ((fd = opendir(dir)) == NULL) {
warn("Failed to get number of files in directory %s", dir);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
while ((dp = readdir(fd)) != NULL) {
}
while ((dp = readdir(fd)) != NULL) {
@@
-441,12
+444,12
@@
ram_free(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "MemFree: %ld kB\n", &free);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "MemFree: %ld kB\n", &free);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%f", (float)free / 1024 / 1024);
}
return bprintf("%f", (float)free / 1024 / 1024);
}
@@
-460,7
+463,7
@@
ram_perc(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if (fscanf(fp, "MemTotal: %ld kB\n", &total) != 1 ||
fscanf(fp, "MemFree: %ld kB\n", &free) != 1 ||
}
if (fscanf(fp, "MemTotal: %ld kB\n", &total) != 1 ||
fscanf(fp, "MemFree: %ld kB\n", &free) != 1 ||
@@
-474,7
+477,7
@@
ram_perc(void)
scanerr:
fclose(fp);
scanerr:
fclose(fp);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
static const char *
}
static const char *
@@
-487,12
+490,12
@@
ram_total(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "MemTotal: %ld kB\n", &total);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "MemTotal: %ld kB\n", &total);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%f", (float)total / 1024 / 1024);
}
return bprintf("%f", (float)total / 1024 / 1024);
}
@@
-506,7
+509,7
@@
ram_used(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if (fscanf(fp, "MemTotal: %ld kB\n", &total) != 1 ||
fscanf(fp, "MemFree: %ld kB\n", &free) != 1 ||
}
if (fscanf(fp, "MemTotal: %ld kB\n", &total) != 1 ||
fscanf(fp, "MemFree: %ld kB\n", &free) != 1 ||
@@
-520,7
+523,7
@@
ram_used(void)
scanerr:
fclose(fp);
scanerr:
fclose(fp);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
static const char *
}
static const char *
@@
-532,16
+535,16
@@
run_command(const char *cmd)
fp = popen(cmd, "r");
if (fp == NULL) {
warn("Failed to get command output for %s", cmd);
fp = popen(cmd, "r");
if (fp == NULL) {
warn("Failed to get command output for %s", cmd);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
p = fgets(buf, sizeof(buf) - 1, fp);
pclose(fp);
if (!p)
}
p = fgets(buf, sizeof(buf) - 1, fp);
pclose(fp);
if (!p)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
if ((p = strrchr(buf, '\n')) != NULL)
p[0] = '\0';
if ((p = strrchr(buf, '\n')) != NULL)
p[0] = '\0';
- return buf[0] ? buf :
UNKNOWN_STR
;
+ return buf[0] ? buf :
unknown_str
;
}
static const char *
}
static const char *
@@
-555,22
+558,22
@@
swap_free(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_free: read error");
fclose(fp);
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_free: read error");
fclose(fp);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapTotal: %ld kB\n", &total);
if ((match = strstr(buf, "SwapFree")) == NULL)
sscanf(match, "SwapTotal: %ld kB\n", &total);
if ((match = strstr(buf, "SwapFree")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapFree: %ld kB\n", &free);
return bprintf("%f", (float)free / 1024 / 1024);
sscanf(match, "SwapFree: %ld kB\n", &free);
return bprintf("%f", (float)free / 1024 / 1024);
@@
-587,26
+590,26
@@
swap_perc(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_perc: read error");
fclose(fp);
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_perc: read error");
fclose(fp);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapTotal: %ld kB\n", &total);
if ((match = strstr(buf, "SwapCached")) == NULL)
sscanf(match, "SwapTotal: %ld kB\n", &total);
if ((match = strstr(buf, "SwapCached")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapCached: %ld kB\n", &cached);
if ((match = strstr(buf, "SwapFree")) == NULL)
sscanf(match, "SwapCached: %ld kB\n", &cached);
if ((match = strstr(buf, "SwapFree")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapFree: %ld kB\n", &free);
return bprintf("%d", 100 * (total - free - cached) / total);
sscanf(match, "SwapFree: %ld kB\n", &free);
return bprintf("%d", 100 * (total - free - cached) / total);
@@
-623,17
+626,17
@@
swap_total(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_total: read error");
fclose(fp);
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_total: read error");
fclose(fp);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapTotal: %ld kB\n", &total);
return bprintf("%f", (float)total / 1024 / 1024);
sscanf(match, "SwapTotal: %ld kB\n", &total);
return bprintf("%f", (float)total / 1024 / 1024);
@@
-650,25
+653,25
@@
swap_used(void)
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
fp = fopen("/proc/meminfo", "r");
if (fp == NULL) {
warn("Failed to open file /proc/meminfo");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_used: read error");
fclose(fp);
}
if ((bytes_read = fread(buf, sizeof(char), sizeof(buf) - 1, fp)) == 0) {
warn("swap_used: read error");
fclose(fp);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
}
fclose(fp);
if ((match = strstr(buf, "SwapTotal")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapTotal: %ld kB\n", &total);
if ((match = strstr(buf, "SwapCached")) == NULL)
sscanf(match, "SwapTotal: %ld kB\n", &total);
if ((match = strstr(buf, "SwapCached")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapCached: %ld kB\n", &cached);
if ((match = strstr(buf, "SwapFree")) == NULL)
sscanf(match, "SwapCached: %ld kB\n", &cached);
if ((match = strstr(buf, "SwapFree")) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
sscanf(match, "SwapFree: %ld kB\n", &free);
return bprintf("%f", (float)(total - free - cached) / 1024 / 1024);
sscanf(match, "SwapFree: %ld kB\n", &free);
return bprintf("%f", (float)(total - free - cached) / 1024 / 1024);
@@
-683,12
+686,12
@@
temp(const char *file)
fp = fopen(file, "r");
if (fp == NULL) {
warn("Failed to open file %s", file);
fp = fopen(file, "r");
if (fp == NULL) {
warn("Failed to open file %s", file);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
n = fscanf(fp, "%d", &temp);
fclose(fp);
if (n != 1)
}
n = fscanf(fp, "%d", &temp);
fclose(fp);
if (n != 1)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
return bprintf("%d", temp / 1000);
}
return bprintf("%d", temp / 1000);
}
@@
-714,7
+717,7
@@
username(void)
if (pw == NULL) {
warn("Failed to get username");
if (pw == NULL) {
warn("Failed to get username");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
return bprintf("%s", pw->pw_name);
}
return bprintf("%s", pw->pw_name);
@@
-737,20
+740,20
@@
vol_perc(const char *card)
afd = open(card, O_RDONLY | O_NONBLOCK);
if (afd == -1) {
warn("Cannot open %s", card);
afd = open(card, O_RDONLY | O_NONBLOCK);
if (afd == -1) {
warn("Cannot open %s", card);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
if (ioctl(afd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
warn("Cannot get volume for %s", card);
close(afd);
}
if (ioctl(afd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
warn("Cannot get volume for %s", card);
close(afd);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
}
- for (i = 0; i <
(sizeof(vnames) / sizeof((vnames[0]))
); i++) {
+ 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);
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
;
+ return
unknown_str
;
}
}
}
}
}
}
@@
-773,18
+776,18
@@
wifi_perc(const char *iface)
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
fp = fopen(path, "r");
if (fp == NULL) {
warn("Failed to open file %s", path);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
p = fgets(status, 5, fp);
fclose(fp);
if(!p || strcmp(status, "up\n") != 0) {
}
p = fgets(status, 5, fp);
fclose(fp);
if(!p || strcmp(status, "up\n") != 0) {
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
warn("Failed to open file /proc/net/wireless");
}
fp = fopen("/proc/net/wireless", "r");
if (fp == NULL) {
warn("Failed to open file /proc/net/wireless");
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
for (i = 0; i < 3; i++) {
}
for (i = 0; i < 3; i++) {
@@
-793,10
+796,10
@@
wifi_perc(const char *iface)
}
fclose(fp);
if (i < 2 || !p)
}
fclose(fp);
if (i < 2 || !p)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
if ((datastart = strstr(buf, iface)) == NULL)
if ((datastart = strstr(buf, iface)) == NULL)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
datastart = (datastart+(strlen(iface)+1));
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
datastart = (datastart+(strlen(iface)+1));
sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &perc);
@@
-817,28
+820,26
@@
wifi_essid(const char *iface)
if (sockfd == -1) {
warn("Failed to get ESSID for interface %s", iface);
if (sockfd == -1) {
warn("Failed to get ESSID for interface %s", iface);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
warn("Failed to get ESSID for interface %s", iface);
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
warn("Failed to get ESSID for interface %s", iface);
- return
UNKNOWN_STR
;
+ return
unknown_str
;
}
close(sockfd);
if (strcmp(id, "") == 0)
}
close(sockfd);
if (strcmp(id, "") == 0)
- return
UNKNOWN_STR
;
+ return
unknown_str
;
else
return id;
}
static void
else
return id;
}
static void
-
sighandler
(const int signo)
+
terminate
(const int signo)
{
{
- if (signo == SIGTERM || signo == SIGINT) {
- done = 1;
- }
+ done = 1;
}
static void
}
static void
@@
-871,12
+872,16
@@
main(int argc, char *argv[])
}
memset(&act, 0, sizeof(act));
}
memset(&act, 0, sizeof(act));
- act.sa_handler =
sighandler
;
- sigaction(SIGINT, &act,
0
);
- sigaction(SIGTERM, &act,
0
);
+ act.sa_handler =
terminate
;
+ sigaction(SIGINT, &act,
NULL
);
+ sigaction(SIGTERM, &act,
NULL
);
if (!sflag) {
dpy = XOpenDisplay(NULL);
if (!sflag) {
dpy = XOpenDisplay(NULL);
+ if (!dpy) {
+ fprintf(stderr, "slstatus: cannot open display");
+ exit(1);
+ }
}
setlocale(LC_ALL, "");
}
setlocale(LC_ALL, "");
@@
-884,8
+889,7
@@
main(int argc, char *argv[])
while (!done) {
status_string[0] = '\0';
while (!done) {
status_string[0] = '\0';
- for (element = status_string, i = len = 0;
- i < sizeof(args) / sizeof(args[0]);
+ for (element = status_string, i = len = 0; i < LEN(args);
++i, element += len) {
argument = args[i];
len = snprintf(element, sizeof(status_string)-1 - len,
++i, element += len) {
argument = args[i];
len = snprintf(element, sizeof(status_string)-1 - len,
@@
-904,11
+908,11
@@
main(int argc, char *argv[])
XSync(dpy, False);
}
XSync(dpy, False);
}
- if ((
UPDATE_INTERVAL
- delay) <= 0) {
+ if ((
update_interval
- delay) <= 0) {
delay = 0;
continue;
} else {
delay = 0;
continue;
} else {
- sleep(
UPDATE_INTERVAL
- delay);
+ sleep(
update_interval
- delay);
delay = 0;
}
}
delay = 0;
}
}