added ip address function
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5a943fa59c
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@ -17,6 +17,7 @@ static unsigned int update_interval = 1;
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- datetime (date and time) [argument: format]
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- disk_perc (disk usage in percent) [argument: mountpoint]
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- entropy (available entropy) [argument: NULL]
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- ip (ip address) [argument: interface]
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- ram_perc (ram usage in percent) [argument: NULL]
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- temp (temperature in degrees) [argument: temperature file]
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- vol_perc (alsa volume and mute status in percent) [argument: soundcard]
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@ -30,6 +31,5 @@ static const struct arg args[] = {
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{ ram_perc, "ram %3s | ", NULL },
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{ vol_perc, "vol %4s | ", "default" },
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{ disk_perc, "ssd %3s | ", "/" },
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{ entropy, "crypt %s | ", NULL },
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{ datetime, "%s", "%y-%m-%d %H:%M:%S" },
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};
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46
slstatus.c
46
slstatus.c
@ -2,8 +2,11 @@
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/* global libraries */
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#include <alsa/asoundlib.h>
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#include <arpa/inet.h>
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#include <fcntl.h>
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#include <ifaddrs.h>
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#include <locale.h>
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#include <netdb.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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@ -11,6 +14,7 @@
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#include <sys/types.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 <time.h>
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#include <unistd.h>
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#include <X11/Xlib.h>
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@ -204,6 +208,47 @@ entropy(const char *null)
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return smprintf("%d", entropy);
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}
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/* ip address */
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char *
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ip(const char *interface)
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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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/* check if getting ip address works */
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if (getifaddrs(&ifaddr) == -1)
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{
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fprintf(stderr, "Error getting IP address.");
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return smprintf("n/a");
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}
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/* get the ip address */
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for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next)
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{
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if (ifa->ifa_addr == NULL)
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continue;
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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, interface) == 0) && (ifa->ifa_addr->sa_family == AF_INET))
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{
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if (s != 0)
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{
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fprintf(stderr, "Error getting IP address.");
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return smprintf("n/a");
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}
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return smprintf("%s", host);
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}
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}
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/* free the address */
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freeifaddrs(ifaddr);
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/* return n/a if nothing works */
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return smprintf("n/a");
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}
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/* ram percentage */
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char *
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ram_perc(const char *null)
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@ -257,7 +302,6 @@ temp(const char *file)
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return smprintf("%d°C", temperature / 1000);
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}
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/* alsa volume percentage */
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char *
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vol_perc(const char *soundcard)
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@ -19,6 +19,7 @@ char *cpu_perc(const char *);
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char *datetime(const char *);
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char *disk_perc(const char *);
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char *entropy(const char*);
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char *ip(const char *);
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char *ram_perc(const char *);
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char *temp(const char *);
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char *vol_perc(const char *);
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