- datetime (date and time) [argument: format]
- disk_perc (disk usage in percent) [argument: mountpoint]
- entropy (available entropy) [argument: NULL]
+- hostname [argument: NULL]
- ip (ip address) [argument: interface]
- ram_perc (ram usage in percent) [argument: NULL]
- temp (temperature in degrees) [argument: temperature file]
return smprintf("%d", entropy);
}
+/* hostname */
+char *
+hostname(const char *null)
+{
+ char *hostname = "";
+ FILE *fp;
+
+ /* open hostname file */
+ if (!(fp = fopen("/proc/sys/kernel/hostname", "r"))) {
+ fprintf(stderr, "Could not open hostname file.\n");
+ return smprintf("n/a");
+ }
+
+ /* extract hostname */
+ fscanf(fp, "%s", hostname);
+
+ /* close hostname file */
+ fclose(fp);
+
+ /* return entropy */
+ return smprintf("%s", hostname);
+}
+
/* ip address */
char *
ip(const char *interface)
char *datetime(const char *);
char *disk_perc(const char *);
char *entropy(const char*);
+char *hostname(const char *);
char *ip(const char *);
char *ram_perc(const char *);
char *temp(const char *);