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5 Commits

Author SHA1 Message Date
drkhsh
4bd78c94ba README: Add note about FreeBSD sndio dep 2022-10-28 01:03:56 +02:00
drkhsh
cce2e5ecb0 radical re-formatting 3/3: Error checks
Check for `< 0` instead of `== -1`.

Fixes coding style. Formatting commits suck, incoherent coding style
sucks more.
https://suckless.org/coding_style/
2022-10-28 01:03:46 +02:00
drkhsh
3251e91187 radical re-formatting 2/3: Fix blocks
Fixes coding style. Formatting commits suck, incoherent coding style
sucks more.
https://suckless.org/coding_style/
2022-10-28 01:03:38 +02:00
drkhsh
2104dc362c radical re-formatting 1/3: Fix spacing
Fixes coding style. Formatting commits suck, incoherent coding style
sucks more.
https://suckless.org/coding_style/
2022-10-28 01:03:31 +02:00
drkhsh
0696635bcb radical re-formatting 0/3: Alphabetic headers
Except stated otherwise in comment.

Fixes coding style. Formatting commits suck, incoherent coding style
sucks more.
https://suckless.org/coding_style/
2022-10-28 01:03:20 +02:00
24 changed files with 166 additions and 226 deletions

3
README
View File

@ -35,8 +35,9 @@ Requirements
Currently slstatus works on FreeBSD, Linux and OpenBSD.
In order to build slstatus you need the Xlib header files.
For volume percentage on Linux the kernel module `snd-mixer-oss` must be
- For volume percentage on Linux the kernel module `snd-mixer-oss` must be
loaded.
- For volume percentage on FreeBSD, `sndio` must be installed.
Installation

View File

@ -2,8 +2,8 @@
#include <stdio.h>
#include <string.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
#include <limits.h>
@ -22,14 +22,12 @@
size_t length)
{
if (esnprintf(path, length, f1, bat) > 0 &&
access(path, R_OK) == 0) {
access(path, R_OK) == 0)
return f1;
}
if (esnprintf(path, length, f2, bat) > 0 &&
access(path, R_OK) == 0) {
access(path, R_OK) == 0)
return f2;
}
return NULL;
}
@ -42,9 +40,8 @@
if (esnprintf(path, sizeof(path), POWER_SUPPLY_CAPACITY, bat) < 0)
return NULL;
if (pscanf(path, "%d", &perc) != 1) {
if (pscanf(path, "%d", &perc) != 1)
return NULL;
}
return bprintf("%d", perc);
}
@ -66,15 +63,13 @@
if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0)
return NULL;
if (pscanf(path, "%12[a-zA-Z ]", state) != 1) {
if (pscanf(path, "%12[a-zA-Z ]", state) != 1)
return NULL;
}
for (i = 0; i < LEN(map); i++) {
if (!strcmp(map[i].state, state)) {
for (i = 0; i < LEN(map); i++)
if (!strcmp(map[i].state, state))
break;
}
}
return (i == LEN(map)) ? "?" : map[i].symbol;
}
@ -87,9 +82,8 @@
if (esnprintf(path, sizeof(path), POWER_SUPPLY_STATUS, bat) < 0)
return NULL;
if (pscanf(path, "%12[a-zA-Z ]", state) != 1) {
if (pscanf(path, "%12[a-zA-Z ]", state) != 1)
return NULL;
}
if (!pick(bat, POWER_SUPPLY_CHARGE, POWER_SUPPLY_ENERGY, path,
sizeof(path)) ||
@ -102,9 +96,8 @@
pscanf(path, "%ju", &current_now) < 0)
return NULL;
if (current_now == 0) {
if (current_now == 0)
return NULL;
}
timeleft = (double)charge_now / (double)current_now;
h = timeleft;
@ -146,9 +139,8 @@
{
struct apm_power_info apm_info;
if (load_apm_power_info(&apm_info)) {
if (load_apm_power_info(&apm_info))
return bprintf("%d", apm_info.battery_life);
}
return NULL;
}
@ -167,11 +159,10 @@
size_t i;
if (load_apm_power_info(&apm_info)) {
for (i = 0; i < LEN(map); i++) {
if (map[i].state == apm_info.ac_state) {
for (i = 0; i < LEN(map); i++)
if (map[i].state == apm_info.ac_state)
break;
}
}
return (i == LEN(map)) ? "?" : map[i].symbol;
}
@ -227,7 +218,7 @@
return NULL;
switch (state) {
case 0:
case 0: /* FALLTHROUGH */
case 2:
return "+";
case 1:

View File

@ -3,8 +3,8 @@
#include <stdio.h>
#include <string.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
#define CPU_FREQ "/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"
@ -31,19 +31,17 @@
/* cpu user nice system idle iowait irq softirq */
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) {
!= 7)
return NULL;
}
if (b[0] == 0) {
if (b[0] == 0)
return NULL;
}
sum = (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]);
if (sum == 0) {
if (sum == 0)
return NULL;
}
return bprintf("%d", (int)(100 *
((b[0] + b[1] + b[2] + b[5] + b[6]) -
@ -92,16 +90,14 @@
warn("sysctl 'KERN_CPTIME':");
return NULL;
}
if (b[0] == 0) {
if (b[0] == 0)
return NULL;
}
sum = (a[CP_USER] + a[CP_NICE] + a[CP_SYS] + a[CP_INTR] + a[CP_IDLE]) -
(b[CP_USER] + b[CP_NICE] + b[CP_SYS] + b[CP_INTR] + b[CP_IDLE]);
if (sum == 0) {
if (sum == 0)
return NULL;
}
return bprintf("%d", 100 *
((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +
@ -110,9 +106,9 @@
b[CP_INTR])) / sum);
}
#elif defined(__FreeBSD__)
#include <devstat.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <devstat.h>
const char *
cpu_freq(const char *unused)
@ -122,8 +118,7 @@
size = sizeof(freq);
/* in MHz */
if (sysctlbyname("hw.clockrate", &freq, &size, NULL, 0) == -1
|| !size) {
if (sysctlbyname("hw.clockrate", &freq, &size, NULL, 0) < 0 || !size) {
warn("sysctlbyname 'hw.clockrate':");
return NULL;
}
@ -140,21 +135,18 @@
size = sizeof(a);
memcpy(b, a, sizeof(b));
if (sysctlbyname("kern.cp_time", &a, &size, NULL, 0) == -1
|| !size) {
if (sysctlbyname("kern.cp_time", &a, &size, NULL, 0) < 0 || !size) {
warn("sysctlbyname 'kern.cp_time':");
return NULL;
}
if (b[0] == 0) {
if (b[0] == 0)
return NULL;
}
sum = (a[CP_USER] + a[CP_NICE] + a[CP_SYS] + a[CP_INTR] + a[CP_IDLE]) -
(b[CP_USER] + b[CP_NICE] + b[CP_SYS] + b[CP_INTR] + b[CP_IDLE]);
if (sum == 0) {
if (sum == 0)
return NULL;
}
return bprintf("%d", 100 *
((a[CP_USER] + a[CP_NICE] + a[CP_SYS] +

View File

@ -2,8 +2,8 @@
#include <stdio.h>
#include <time.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
datetime(const char *fmt)

View File

@ -2,8 +2,8 @@
#include <stdio.h>
#include <sys/statvfs.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
disk_free(const char *path)

View File

@ -2,8 +2,8 @@
#include <stdio.h>
#include <unistd.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
hostname(const char *unused)

View File

@ -4,15 +4,15 @@
#include <stdio.h>
#include <string.h>
#if defined(__OpenBSD__)
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/types.h>
#elif defined(__FreeBSD__)
#include <netinet/in.h>
#include <sys/socket.h>
#endif
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
static const char *
ip(const char *interface, unsigned short sa_family)
@ -27,9 +27,9 @@ ip(const char *interface, unsigned short sa_family)
}
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (!ifa->ifa_addr) {
if (!ifa->ifa_addr)
continue;
}
s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6),
host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
if (!strcmp(ifa->ifa_name, interface) &&

View File

@ -1,9 +1,9 @@
/* See LICENSE file for copyright and license details. */
#include <sys/utsname.h>
#include <stdio.h>
#include <sys/utsname.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
kernel_release(const char *unused)

View File

@ -4,8 +4,8 @@
#include <string.h>
#include <X11/Xlib.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
/*
* fmt consists of uppercase or lowercase 'c' for caps lock and/or 'n' for num
@ -33,17 +33,18 @@ keyboard_indicators(const char *fmt)
fmtlen = strnlen(fmt, 4);
for (i = n = 0; i < fmtlen; i++) {
key = tolower(fmt[i]);
if (key != 'c' && key != 'n') {
if (key != 'c' && key != 'n')
continue;
}
togglecase = (i + 1 >= fmtlen || fmt[i + 1] != '?');
isset = (state.led_mask & (1 << (key == 'n')));
if (togglecase) {
if (togglecase)
buf[n++] = isset ? toupper(key) : key;
} else if (isset) {
else if (isset)
buf[n++] = fmt[i];
}
}
buf[n] = 0;
return buf;
}

View File

@ -5,8 +5,8 @@
#include <X11/XKBlib.h>
#include <X11/Xlib.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
static int
valid_layout_or_variant(char *sym)
@ -15,11 +15,9 @@ valid_layout_or_variant(char *sym)
/* invalid symbols from xkb rules config */
static const char *invalid[] = { "evdev", "inet", "pc", "base" };
for (i = 0; i < LEN(invalid); i++) {
if (!strncmp(sym, invalid[i], strlen(invalid[i]))) {
for (i = 0; i < LEN(invalid); i++)
if (!strncmp(sym, invalid[i], strlen(invalid[i])))
return 0;
}
}
return 1;
}
@ -80,9 +78,8 @@ keymap(const char *unused)
XFree(symbols);
end:
XkbFreeKeyboard(desc, XkbSymbolsNameMask, 1);
if (XCloseDisplay(dpy)) {
if (XCloseDisplay(dpy))
warn("XCloseDisplay: Failed to close display");
}
return layout;
}

View File

@ -2,8 +2,8 @@
#include <stdio.h>
#include <stdlib.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
load_avg(const char *unused)

View File

@ -1,9 +1,9 @@
/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <limits.h>
#include <stdio.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
#include <stdint.h>
@ -23,12 +23,10 @@
if (esnprintf(path, sizeof(path), NET_RX_BYTES, interface) < 0)
return NULL;
if (pscanf(path, "%ju", &rxbytes) != 1) {
if (pscanf(path, "%ju", &rxbytes) != 1)
return NULL;
}
if (oldrxbytes == 0) {
if (oldrxbytes == 0)
return NULL;
}
return fmt_human((rxbytes - oldrxbytes) * 1000 / interval,
1024);
@ -46,22 +44,20 @@
if (esnprintf(path, sizeof(path), NET_TX_BYTES, interface) < 0)
return NULL;
if (pscanf(path, "%ju", &txbytes) != 1) {
if (pscanf(path, "%ju", &txbytes) != 1)
return NULL;
}
if (oldtxbytes == 0) {
if (oldtxbytes == 0)
return NULL;
}
return fmt_human((txbytes - oldtxbytes) * 1000 / interval,
1024);
}
#elif defined(__OpenBSD__) | defined(__FreeBSD__)
#include <string.h>
#include <ifaddrs.h>
#include <net/if.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
const char *
netspeed_rx(const char *interface)
@ -75,25 +71,23 @@
oldrxbytes = rxbytes;
if (getifaddrs(&ifal) == -1) {
if (getifaddrs(&ifal) < 0) {
warn("getifaddrs failed");
return NULL;
}
rxbytes = 0;
for (ifa = ifal; ifa; ifa = ifa->ifa_next) {
for (ifa = ifal; ifa; ifa = ifa->ifa_next)
if (!strcmp(ifa->ifa_name, interface) &&
(ifd = (struct if_data *)ifa->ifa_data)) {
(ifd = (struct if_data *)ifa->ifa_data))
rxbytes += ifd->ifi_ibytes, if_ok = 1;
}
}
freeifaddrs(ifal);
if (!if_ok) {
warn("reading 'if_data' failed");
return NULL;
}
if (oldrxbytes == 0) {
if (oldrxbytes == 0)
return NULL;
}
return fmt_human((rxbytes - oldrxbytes) * 1000 / interval,
1024);
@ -111,25 +105,23 @@
oldtxbytes = txbytes;
if (getifaddrs(&ifal) == -1) {
if (getifaddrs(&ifal) < 0) {
warn("getifaddrs failed");
return NULL;
}
txbytes = 0;
for (ifa = ifal; ifa; ifa = ifa->ifa_next) {
for (ifa = ifal; ifa; ifa = ifa->ifa_next)
if (!strcmp(ifa->ifa_name, interface) &&
(ifd = (struct if_data *)ifa->ifa_data)) {
(ifd = (struct if_data *)ifa->ifa_data))
txbytes += ifd->ifi_obytes, if_ok = 1;
}
}
freeifaddrs(ifal);
if (!if_ok) {
warn("reading 'if_data' failed");
return NULL;
}
if (oldtxbytes == 0) {
if (oldtxbytes == 0)
return NULL;
}
return fmt_human((txbytes - oldtxbytes) * 1000 / interval,
1024);

View File

@ -3,8 +3,8 @@
#include <stdio.h>
#include <string.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
num_files(const char *path)
@ -20,9 +20,9 @@ num_files(const char *path)
num = 0;
while ((dp = readdir(fd))) {
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) {
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
continue; /* skip self and parent */
}
num++;
}

View File

@ -1,8 +1,8 @@
/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
#include <stdint.h>
@ -16,9 +16,8 @@
"MemTotal: %ju kB\n"
"MemFree: %ju kB\n"
"MemAvailable: %ju kB\n",
&free, &free, &free) != 3) {
&free, &free, &free) != 3)
return NULL;
}
return fmt_human(free * 1024, 1024);
}
@ -35,13 +34,11 @@
"MemAvailable: %ju kB\n"
"Buffers: %ju kB\n"
"Cached: %ju kB\n",
&total, &free, &buffers, &buffers, &cached) != 5) {
&total, &free, &buffers, &buffers, &cached) != 5)
return NULL;
}
if (total == 0) {
if (total == 0)
return NULL;
}
percent = 100 * ((total - free) - (buffers + cached)) / total;
return bprintf("%d", percent);
@ -53,9 +50,8 @@
uintmax_t total;
if (pscanf("/proc/meminfo", "MemTotal: %ju kB\n", &total)
!= 1) {
!= 1)
return NULL;
}
return fmt_human(total * 1024, 1024);
}
@ -94,9 +90,8 @@
size = sizeof(*uvmexp);
if (sysctl(uvmexp_mib, 2, uvmexp, &size, NULL, 0) >= 0) {
if (sysctl(uvmexp_mib, 2, uvmexp, &size, NULL, 0) >= 0)
return 1;
}
return 0;
}
@ -164,7 +159,7 @@
size_t len;
len = sizeof(struct vmtotal);
if (sysctl(mib, 2, &vm_stats, &len, NULL, 0) == -1
if (sysctl(mib, 2, &vm_stats, &len, NULL, 0) < 0
|| !len)
return NULL;
@ -177,8 +172,8 @@
size_t len;
len = sizeof(npages);
if (sysctlbyname("vm.stats.vm.v_page_count", &npages, &len, NULL, 0) == -1
|| !len)
if (sysctlbyname("vm.stats.vm.v_page_count",
&npages, &len, NULL, 0) < 0 || !len)
return NULL;
return fmt_human(npages * getpagesize(), 1024);
@ -191,12 +186,12 @@
size_t len;
len = sizeof(npages);
if (sysctlbyname("vm.stats.vm.v_page_count", &npages, &len, NULL, 0) == -1
|| !len)
if (sysctlbyname("vm.stats.vm.v_page_count",
&npages, &len, NULL, 0) < 0 || !len)
return NULL;
if (sysctlbyname("vm.stats.vm.v_active_count", &active, &len, NULL, 0) == -1
|| !len)
if (sysctlbyname("vm.stats.vm.v_active_count",
&active, &len, NULL, 0) < 0 || !len)
return NULL;
return bprintf("%d", active * 100 / npages);
@ -208,8 +203,8 @@
size_t len;
len = sizeof(active);
if (sysctlbyname("vm.stats.vm.v_active_count", &active, &len, NULL, 0) == -1
|| !len)
if (sysctlbyname("vm.stats.vm.v_active_count",
&active, &len, NULL, 0) < 0 || !len)
return NULL;
return fmt_human(active * getpagesize(), 1024);

View File

@ -2,8 +2,8 @@
#include <stdio.h>
#include <string.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
run_command(const char *cmd)
@ -15,17 +15,17 @@ run_command(const char *cmd)
warn("popen '%s':", cmd);
return NULL;
}
p = fgets(buf, sizeof(buf) - 1, fp);
if (pclose(fp) < 0) {
warn("pclose '%s':", cmd);
return NULL;
}
if (!p) {
if (!p)
return NULL;
}
if ((p = strrchr(buf, '\n'))) {
if ((p = strrchr(buf, '\n')))
p[0] = '\0';
}
return buf[0] ? buf : NULL;
}

View File

@ -4,8 +4,8 @@
#include <stdlib.h>
#include <string.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
static int
@ -25,11 +25,9 @@
char *line = NULL;
/* get number of fields we want to extract */
for (i = 0, left = 0; i < LEN(ent); i++) {
if (ent[i].var) {
for (i = 0, left = 0; i < LEN(ent); i++)
if (ent[i].var)
left++;
}
}
if (!(fp = fopen("/proc/meminfo", "r"))) {
warn("fopen '/proc/meminfo':");
@ -63,9 +61,8 @@
{
long free;
if (get_swap_info(NULL, &free, NULL)) {
if (get_swap_info(NULL, &free, NULL))
return NULL;
}
return fmt_human(free * 1024, 1024);
}
@ -75,9 +72,8 @@
{
long total, free, cached;
if (get_swap_info(&total, &free, &cached) || total == 0) {
if (get_swap_info(&total, &free, &cached) || total == 0)
return NULL;
}
return bprintf("%d", 100 * (total - free - cached) / total);
}
@ -87,9 +83,8 @@
{
long total;
if (get_swap_info(&total, NULL, NULL)) {
if (get_swap_info(&total, NULL, NULL))
return NULL;
}
return fmt_human(total * 1024, 1024);
}
@ -99,9 +94,8 @@
{
long total, free, cached;
if (get_swap_info(&total, &free, &cached)) {
if (get_swap_info(&total, &free, &cached))
return NULL;
}
return fmt_human((total - free - cached) * 1024, 1024);
}
@ -152,9 +146,8 @@
{
int total, used;
if (getstats(&total, &used)) {
if (getstats(&total, &used))
return NULL;
}
return fmt_human((total - used) * 1024, 1024);
}
@ -164,13 +157,11 @@
{
int total, used;
if (getstats(&total, &used)) {
if (getstats(&total, &used))
return NULL;
}
if (total == 0) {
if (total == 0)
return NULL;
}
return bprintf("%d", 100 * used / total);
}
@ -180,9 +171,8 @@
{
int total, used;
if (getstats(&total, &used)) {
if (getstats(&total, &used))
return NULL;
}
return fmt_human(total * 1024, 1024);
}
@ -192,18 +182,17 @@
{
int total, used;
if (getstats(&total, &used)) {
if (getstats(&total, &used))
return NULL;
}
return fmt_human(used * 1024, 1024);
}
#elif defined(__FreeBSD__)
#include <fcntl.h>
#include <kvm.h>
#include <stdlib.h>
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#include <kvm.h>
static int getswapinfo(struct kvm_swap *swap_info, size_t size)
{
@ -215,7 +204,7 @@
return 0;
}
if(kvm_getswapinfo(kd, swap_info, size, 0 /* Unused flags */) == -1) {
if (kvm_getswapinfo(kd, swap_info, size, 0 /* Unused flags */) < 0) {
warn("kvm_getswapinfo:");
kvm_close(kd);
return 0;

View File

@ -1,8 +1,8 @@
/* See LICENSE file for copyright and license details. */
#include <stddef.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
@ -13,9 +13,8 @@
{
uintmax_t temp;
if (pscanf(file, "%ju", &temp) != 1) {
if (pscanf(file, "%ju", &temp) != 1)
return NULL;
}
return bprintf("%ju", temp / 1000);
}

View File

@ -3,8 +3,8 @@
#include <stdio.h>
#include <time.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(CLOCK_BOOTTIME)
#define UPTIME_FLAG CLOCK_BOOTTIME

View File

@ -4,8 +4,8 @@
#include <sys/types.h>
#include <unistd.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
const char *
gid(const char *unused)

View File

@ -5,14 +5,14 @@
#include <sys/ioctl.h>
#include <unistd.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#if defined(__OpenBSD__) | defined(__FreeBSD__)
#include <sys/queue.h>
#include <poll.h>
#include <sndio.h>
#include <stdlib.h>
#include <sys/queue.h>
struct control {
LIST_ENTRY(control) next;

View File

@ -6,8 +6,8 @@
#include <sys/socket.h>
#include <unistd.h>
#include "../util.h"
#include "../slstatus.h"
#include "../util.h"
#define RSSI_TO_PERC(rssi) \
rssi >= -50 ? 100 : \
@ -38,27 +38,24 @@
}
p = fgets(status, 5, fp);
fclose(fp);
if (!p || strcmp(status, "up\n") != 0) {
if (!p || strcmp(status, "up\n") != 0)
return NULL;
}
if (!(fp = fopen("/proc/net/wireless", "r"))) {
warn("fopen '/proc/net/wireless':");
return NULL;
}
for (i = 0; i < 3; i++) {
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, interface))) {
fclose(fp);
if (i < 2 || !p)
return NULL;
if (!(datastart = strstr(buf, interface)))
return NULL;
}
datastart = (datastart+(strlen(interface)+1));
sscanf(datastart + 1, " %*d %d %*d %*d\t\t %*d\t "
@ -78,9 +75,8 @@
memset(&wreq, 0, sizeof(struct iwreq));
wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
if (esnprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s",
interface) < 0) {
interface) < 0)
return NULL;
}
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
warn("socket 'AF_INET':");
@ -95,9 +91,8 @@
close(sockfd);
if (!strcmp(id, "")) {
if (!strcmp(id, ""))
return NULL;
}
return id;
}
@ -153,11 +148,11 @@
int q;
if (load_ieee80211_nodereq(interface, &nr)) {
if (nr.nr_max_rssi) {
if (nr.nr_max_rssi)
q = IEEE80211_NODEREQ_RSSI(&nr);
} else {
else
q = RSSI_TO_PERC(nr.nr_rssi);
}
return bprintf("%d", q);
}
@ -169,9 +164,8 @@
{
struct ieee80211_nodereq nr;
if (load_ieee80211_nodereq(interface, &nr)) {
if (load_ieee80211_nodereq(interface, &nr))
return bprintf("%s", nr.nr_nwid);
}
return NULL;
}

View File

@ -58,7 +58,7 @@ main(int argc, char *argv[])
ARGBEGIN {
case '1':
done = 1;
/* fallthrough */
/* FALLTHROUGH */
case 's':
sflag = 1;
break;
@ -66,9 +66,8 @@ main(int argc, char *argv[])
usage();
} ARGEND
if (argc) {
if (argc)
usage();
}
memset(&act, 0, sizeof(act));
act.sa_handler = terminate;
@ -77,24 +76,22 @@ main(int argc, char *argv[])
act.sa_flags |= SA_RESTART;
sigaction(SIGUSR1, &act, NULL);
if (!sflag && !(dpy = XOpenDisplay(NULL))) {
if (!sflag && !(dpy = XOpenDisplay(NULL)))
die("XOpenDisplay: Failed to open display");
}
do {
if (clock_gettime(CLOCK_MONOTONIC, &start) < 0) {
if (clock_gettime(CLOCK_MONOTONIC, &start) < 0)
die("clock_gettime:");
}
status[0] = '\0';
for (i = len = 0; i < LEN(args); i++) {
if (!(res = args[i].func(args[i].args))) {
if (!(res = args[i].func(args[i].args)))
res = unknown_str;
}
if ((ret = esnprintf(status + len, sizeof(status) - len,
args[i].fmt, res)) < 0) {
args[i].fmt, res)) < 0)
break;
}
len += ret;
}
@ -104,38 +101,32 @@ main(int argc, char *argv[])
if (ferror(stdout))
die("puts:");
} else {
if (XStoreName(dpy, DefaultRootWindow(dpy), status)
< 0) {
if (XStoreName(dpy, DefaultRootWindow(dpy), status) < 0)
die("XStoreName: Allocation failed");
}
XFlush(dpy);
}
if (!done) {
if (clock_gettime(CLOCK_MONOTONIC, &current) < 0) {
if (clock_gettime(CLOCK_MONOTONIC, &current) < 0)
die("clock_gettime:");
}
difftimespec(&diff, &current, &start);
intspec.tv_sec = interval / 1000;
intspec.tv_nsec = (interval % 1000) * 1E6;
difftimespec(&wait, &intspec, &diff);
if (wait.tv_sec >= 0) {
if (nanosleep(&wait, NULL) < 0 &&
errno != EINTR) {
if (wait.tv_sec >= 0 &&
nanosleep(&wait, NULL) < 0 &&
errno != EINTR)
die("nanosleep:");
}
}
}
} while (!done);
if (!sflag) {
XStoreName(dpy, DefaultRootWindow(dpy), NULL);
if (XCloseDisplay(dpy) < 0) {
if (XCloseDisplay(dpy) < 0)
die("XCloseDisplay: Failed to close display");
}
}
return 0;
}

6
util.c
View File

@ -13,9 +13,8 @@ char *argv0;
static void
verr(const char *fmt, va_list ap)
{
if (argv0 && strncmp(fmt, "usage", sizeof("usage") - 1)) {
if (argv0 && strncmp(fmt, "usage", sizeof("usage") - 1))
fprintf(stderr, "%s: ", argv0);
}
vfprintf(stderr, fmt, ap);
@ -119,9 +118,8 @@ fmt_human(uintmax_t num, int base)
}
scaled = num;
for (i = 0; i < prefixlen && scaled >= base; i++) {
for (i = 0; i < prefixlen && scaled >= base; i++)
scaled /= base;
}
return bprintf("%.1f %s", scaled, prefix[i]);
}