mirror of git://git.suckless.org/slstatus
Removed #define for unknown_str
Debugging #define is very difficult. The performance overhead of static const char is negligible.
This commit is contained in:
Aaron Marcher
parent
be12b6b350
commit
c4779c9b15
|
|
@ -4,7 +4,7 @@
|
|||
static const int update_interval = 1;
|
||||
|
||||
/* text to show if no value can be retrieved */
|
||||
#define UNKNOWN_STR "n/a"
|
||||
static const char unknown_str[] = "n/a";
|
||||
|
||||
/* maximum output string length */
|
||||
#define MAXLEN 2048
|
||||
|
|
|
|||
138
slstatus.c
138
slstatus.c
|
|
@ -110,12 +110,12 @@ battery_perc(const char *bat)
|
|||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%d", perc);
|
||||
}
|
||||
|
|
@ -131,12 +131,12 @@ battery_power(const char *bat)
|
|||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%d", (watts + 500000) / 1000000);
|
||||
}
|
||||
|
|
@ -162,12 +162,12 @@ battery_state(const char *bat)
|
|||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
for (i = 0; i < LEN(map); i++) {
|
||||
if (!strcmp(map[i].state, state)) {
|
||||
|
|
@ -187,12 +187,12 @@ 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");
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
n = fscanf(fp, "%i", &freq);
|
||||
fclose(fp);
|
||||
if (n != 1)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%d", (freq + 500) / 1000);
|
||||
}
|
||||
|
|
@ -207,12 +207,12 @@ cpu_perc(void)
|
|||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
delay++;
|
||||
sleep(delay);
|
||||
|
|
@ -220,12 +220,12 @@ cpu_perc(void)
|
|||
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)
|
||||
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);
|
||||
|
|
@ -238,7 +238,7 @@ datetime(const char *fmt)
|
|||
|
||||
t = time(NULL);
|
||||
if (strftime(buf, sizeof(buf), fmt, localtime(&t)) == 0)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
|
@ -250,7 +250,7 @@ disk_free(const char *mnt)
|
|||
|
||||
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);
|
||||
|
|
@ -264,7 +264,7 @@ disk_perc(const char *mnt)
|
|||
|
||||
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));
|
||||
|
|
@ -279,7 +279,7 @@ disk_total(const char *mnt)
|
|||
|
||||
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);
|
||||
|
|
@ -292,7 +292,7 @@ disk_used(const char *mnt)
|
|||
|
||||
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);
|
||||
|
|
@ -307,12 +307,12 @@ 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");
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
n = fscanf(fp, "%d", &num);
|
||||
fclose(fp);
|
||||
if (n != 1)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%d", num);
|
||||
}
|
||||
|
|
@ -328,7 +328,7 @@ hostname(void)
|
|||
{
|
||||
if (gethostname(buf, sizeof(buf)) == -1) {
|
||||
warn("hostname");
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
return buf;
|
||||
|
|
@ -343,7 +343,7 @@ ip(const char *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) {
|
||||
|
|
@ -354,7 +354,7 @@ 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);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
return bprintf("%s", host);
|
||||
}
|
||||
|
|
@ -362,7 +362,7 @@ ip(const char *iface)
|
|||
|
||||
freeifaddrs(ifaddr);
|
||||
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
static const char *
|
||||
|
|
@ -371,7 +371,7 @@ kernel_release(void)
|
|||
struct utsname udata;
|
||||
|
||||
if (uname(&udata) < 0) {
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
return bprintf("%s", udata.release);
|
||||
|
|
@ -385,7 +385,7 @@ keyboard_indicators(void)
|
|||
|
||||
if (dpy == NULL) {
|
||||
warnx("XOpenDisplay failed");
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
XGetKeyboardControl(dpy, &state);
|
||||
XCloseDisplay(dpy);
|
||||
|
|
@ -409,7 +409,7 @@ load_avg(void)
|
|||
|
||||
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]);
|
||||
|
|
@ -424,7 +424,7 @@ num_files(const char *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) {
|
||||
|
|
@ -448,12 +448,12 @@ ram_free(void)
|
|||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%f", (float)free / 1024 / 1024);
|
||||
}
|
||||
|
|
@ -467,7 +467,7 @@ ram_perc(void)
|
|||
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 ||
|
||||
|
|
@ -481,7 +481,7 @@ ram_perc(void)
|
|||
|
||||
scanerr:
|
||||
fclose(fp);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
static const char *
|
||||
|
|
@ -494,12 +494,12 @@ ram_total(void)
|
|||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%f", (float)total / 1024 / 1024);
|
||||
}
|
||||
|
|
@ -513,7 +513,7 @@ ram_used(void)
|
|||
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 ||
|
||||
|
|
@ -527,7 +527,7 @@ ram_used(void)
|
|||
|
||||
scanerr:
|
||||
fclose(fp);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
static const char *
|
||||
|
|
@ -539,16 +539,16 @@ run_command(const char *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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
if ((p = strrchr(buf, '\n')) != NULL)
|
||||
p[0] = '\0';
|
||||
|
||||
return buf[0] ? buf : UNKNOWN_STR;
|
||||
return buf[0] ? buf : unknown_str;
|
||||
}
|
||||
|
||||
static const char *
|
||||
|
|
@ -562,22 +562,22 @@ swap_free(void)
|
|||
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);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
sscanf(match, "SwapFree: %ld kB\n", &free);
|
||||
|
||||
return bprintf("%f", (float)free / 1024 / 1024);
|
||||
|
|
@ -594,26 +594,26 @@ swap_perc(void)
|
|||
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);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
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);
|
||||
|
|
@ -630,17 +630,17 @@ swap_total(void)
|
|||
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);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
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);
|
||||
|
|
@ -657,25 +657,25 @@ swap_used(void)
|
|||
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);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
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);
|
||||
|
|
@ -690,12 +690,12 @@ temp(const char *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)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
return bprintf("%d", temp / 1000);
|
||||
}
|
||||
|
|
@ -721,7 +721,7 @@ username(void)
|
|||
|
||||
if (pw == NULL) {
|
||||
warn("Failed to get username");
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
return bprintf("%s", pw->pw_name);
|
||||
|
|
@ -744,20 +744,20 @@ vol_perc(const char *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);
|
||||
return UNKNOWN_STR;
|
||||
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;
|
||||
return unknown_str;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -780,18 +780,18 @@ wifi_perc(const char *iface)
|
|||
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) {
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
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++) {
|
||||
|
|
@ -800,10 +800,10 @@ wifi_perc(const char *iface)
|
|||
}
|
||||
fclose(fp);
|
||||
if (i < 2 || !p)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
|
||||
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);
|
||||
|
|
@ -824,18 +824,18 @@ wifi_essid(const char *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);
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
}
|
||||
|
||||
close(sockfd);
|
||||
|
||||
if (strcmp(id, "") == 0)
|
||||
return UNKNOWN_STR;
|
||||
return unknown_str;
|
||||
else
|
||||
return id;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue