em/slstatus
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added configuration option for n/a text

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This commit is contained in:
Aaron Marcher 2016-08-18 13:03:42 +02:00 committed by Aaron Marcher (drkhsh)
parent f549d01864
commit 1d43e2f2b2
2 changed files with 38 additions and 36 deletions
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3
config.def.h
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@ -11,6 +11,9 @@ static const char batteryfull[] = "energy_full_design";
/* bar update interval in seconds (smallest value = 1) */
static unsigned int update_interval = 1;
/* text to show if no value can be retrieved */
static const char unknowntext[] = "n/a";
/* statusbar
- battery_perc (battery percentage) [argument: battery name]
- cpu_perc (cpu usage in percent) [argument: NULL]

71
slstatus.c
View File

@ -76,7 +76,7 @@ battery_perc(const char *battery)
/* open battery now file */
if (!(fp = fopen(batterynowfile, "r"))) {
fprintf(stderr, "Error opening battery file: %s.\n", batterynowfile);
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read value */
@ -88,7 +88,7 @@ battery_perc(const char *battery)
/* open battery full file */
if (!(fp = fopen(batteryfullfile, "r"))) {
fprintf(stderr, "Error opening battery file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read value */
@ -115,7 +115,7 @@ cpu_perc(const char *null)
/* open stat file */
if (!(fp = fopen("/proc/stat","r"))) {
fprintf(stderr, "Error opening stat file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read values */
@ -130,7 +130,7 @@ cpu_perc(const char *null)
/* open stat file */
if (!(fp = fopen("/proc/stat","r"))) {
fprintf(stderr, "Error opening stat file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read values */
@ -155,7 +155,7 @@ datetime(const char *timeformat)
char *buf = malloc(bufsize);
if (buf == NULL) {
fprintf(stderr, "Failed to get date/time.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* get time in format */
@ -165,7 +165,7 @@ datetime(const char *timeformat)
setlocale(LC_TIME, "C");
free(buf);
fprintf(stderr, "Strftime failed.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
setlocale(LC_TIME, "C");
@ -184,7 +184,7 @@ disk_free(const char *mountpoint)
/* try to open mountpoint */
if (statvfs(mountpoint, &fs) < 0) {
fprintf(stderr, "Could not get filesystem info.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* return free */
@ -201,7 +201,7 @@ disk_perc(const char *mountpoint)
/* try to open mountpoint */
if (statvfs(mountpoint, &fs) < 0) {
fprintf(stderr, "Could not get filesystem info.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* calculate percent */
@ -220,7 +220,7 @@ disk_total(const char *mountpoint)
/* try to open mountpoint */
if (statvfs(mountpoint, &fs) < 0) {
fprintf(stderr, "Could not get filesystem info.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* return total */
@ -236,7 +236,7 @@ disk_used(const char *mountpoint)
/* try to open mountpoint */
if (statvfs(mountpoint, &fs) < 0) {
fprintf(stderr, "Could not get filesystem info.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* return used */
@ -253,7 +253,7 @@ entropy(const char *null)
/* open entropy file */
if (!(fp = fopen("/proc/sys/kernel/random/entropy_avail", "r"))) {
fprintf(stderr, "Could not open entropy file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* extract entropy */
@ -274,12 +274,12 @@ gid(const char *null)
if ((gid = getgid()) < 0) {
fprintf(stderr, "Could no get gid.\n");
return smprintf("n/a");
return smprintf(unknowntext);
} else {
return smprintf("%d", gid);
}
return smprintf("n/a");
return smprintf(unknowntext);
}
/* hostname */
@ -292,7 +292,7 @@ hostname(const char *null)
/* open hostname file */
if (!(fp = fopen("/proc/sys/kernel/hostname", "r"))) {
fprintf(stderr, "Could not open hostname file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* extract hostname */
@ -316,7 +316,7 @@ ip(const char *interface)
/* check if getting ip address works */
if (getifaddrs(&ifaddr) == -1) {
fprintf(stderr, "Error getting IP address.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* get the ip address */
@ -330,7 +330,7 @@ ip(const char *interface)
if ((strcmp(ifa->ifa_name, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET)) {
if (s != 0) {
fprintf(stderr, "Error getting IP address.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
return smprintf("%s", host);
}
@ -339,8 +339,7 @@ ip(const char *interface)
/* free the address */
freeifaddrs(ifaddr);
/* return n/a if nothing works */
return smprintf("n/a");
return smprintf(unknowntext);
}
/* ram free */
@ -353,7 +352,7 @@ ram_free(const char *null)
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read the values */
@ -377,7 +376,7 @@ ram_perc(const char *null)
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read the values */
@ -406,7 +405,7 @@ ram_total(const char *null)
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read the values */
@ -429,7 +428,7 @@ ram_used(const char *null)
/* open meminfo file */
if (!(fp = fopen("/proc/meminfo", "r"))) {
fprintf(stderr, "Error opening meminfo file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read the values */
@ -459,7 +458,7 @@ run_command(const char* command)
/* try to open the command output */
if (!(fp = popen(command, "r"))) {
fprintf(stderr, "Could not get command output for: %s.\n", command);
return smprintf("n/a");
return smprintf(unknowntext);
}
/* get command output text, save it to buffer */
@ -493,7 +492,7 @@ temp(const char *file)
/* open temperature file */
if (!(fp = fopen(file, "r"))) {
fprintf(stderr, "Could not open temperature file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* extract temperature */
@ -522,10 +521,10 @@ username(const char *null)
return smprintf("%s", pw->pw_name);
} else {
fprintf(stderr, "Could not get username.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
return smprintf("n/a");
return smprintf(unknowntext);
}
/* uid */
@ -542,10 +541,10 @@ uid(const char *null)
return smprintf("%d", uid);
} else {
fprintf(stderr, "Could not get uid.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
return smprintf("n/a");
return smprintf(unknowntext);
}
@ -571,7 +570,7 @@ vol_perc(const char *soundcard)
/* check */
if (vol_info == NULL || mute_info == NULL) {
fprintf(stderr, "Could not get alsa volume.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
snd_mixer_selem_id_set_name(vol_info, channel);
snd_mixer_selem_id_set_name(mute_info, channel);
@ -624,7 +623,7 @@ wifi_perc(const char *wificard)
/* open wifi file */
if(!(fp = fopen(path, "r"))) {
fprintf(stderr, "Error opening wifi operstate file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* read the status */
@ -635,13 +634,13 @@ wifi_perc(const char *wificard)
/* check if interface down */
if(strcmp(status, "up\n") != 0) {
return smprintf("n/a");
return smprintf(unknowntext);
}
/* open wifi file */
if (!(fp = fopen("/proc/net/wireless", "r"))) {
fprintf(stderr, "Error opening wireless file.\n");
return smprintf("n/a");
return smprintf(unknowntext);
}
/* extract the signal strength */
@ -680,17 +679,17 @@ wifi_essid(const char *wificard)
/* check */
if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
fprintf(stderr, "Cannot open socket for interface: %s\n", wificard);
return smprintf("n/a");
return smprintf(unknowntext);
}
wreq.u.essid.pointer = id;
if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
fprintf(stderr, "Get ESSID ioctl failed for interface %s\n", wificard);
return smprintf("n/a");
return smprintf(unknowntext);
}
/* return the essid */
if (strcmp((char *)wreq.u.essid.pointer, "") == 0) {
return smprintf("n/a");
return smprintf(unknowntext);
} else {
return smprintf("%s", (char *)wreq.u.essid.pointer);
}
@ -720,7 +719,7 @@ main(void)
char *res = argument.func(argument.args);
char *element = smprintf(argument.format, res);
if (element == NULL) {
element = smprintf("n/a");
element = smprintf(unknowntext);
fprintf(stderr, "Failed to format output.\n");
}
strcat(status_string, element);