1 // Yet another (tm) fetch program
4 #include <sys/utsname.h>
5 #include <sys/sysinfo.h>
16 char hostname[HOST_NAME_MAX];
17 gethostname(hostname, HOST_NAME_MAX);
20 char username[LOGIN_NAME_MAX];
21 getlogin_r(username, LOGIN_NAME_MAX);
24 struct utsname kernel;
27 // Get assorted system info
31 /* Get memory info from /proc. Inspired by busybox free.c, which is
33 char buf[60]; // actual lines we expect are ~30 chars or less
34 int counter = 2; // Number of things being scanned for in the file
35 unsigned long total_kb, avail_kb;
37 FILE *fp = fopen("/proc/meminfo", "r");
38 total_kb = avail_kb = 0;
39 while (fgets(buf, sizeof(buf), fp)) {
40 if (sscanf(buf, "MemTotal: %lu %*s\n", &total_kb) == 1)
43 if (sscanf(buf, "MemAvailable: %lu %*s\n", &avail_kb) == 1)
50 printf("%s@%s\n", username, hostname);
51 printf("%s %s\n", kernel.sysname, kernel.release);
52 struct tm *uptime = gmtime(&info.uptime);
53 printf("Up %02dh %02dm %02ds\n", uptime->tm_hour, uptime->tm_min,
55 printf("%0.0f/%0.0f MB RAM\n", (total_kb - avail_kb)/1024.0, total_kb/1024.0);